ADVANCING OUR OPERATIONSIn order for us to complete our missions, our technology simply cannot fail. Covering a wide range of specialties ranging from aeronautical and computer systems to flight test and mechanical, Developmental Engineers provide advanced skill and knowledge of their particular specialties. Responsible for everything from the planning to implementation of their projects, these experts are essential to the success of operations all over the world.REQUIREMENTSYou must meet several requirements before joining the Air Force. These concern your background, overall health and other standards set by the Air Force, Department of Defense and federal law.Minimum EducationBachelor’s degree in engineering related to one of the following specialties: aerospace, aeronautical, astronautical, computer, electrical, electronics, communication or mechanicalQualificationsCompletion of the Defence Acquisition UniversityFundamentals of SystemsAcquisition Management course or Acquisition Fundamentals courseCompletion of the Air Force Flight Test Engineer course or comparableMinimum of 24 months of experience in qualified position or a master’s degree in a specified discipline and 12 months’ experience or a Doctor of Philosophy degree in a specified disciplineCompletionof Officer Training School (OTS), AirForce Academy (AFA) or AirForce Reserve Officer Training Corps (AFROTC)Must be between the ages of 18 and have not reached your 42ndbirthday

New Nurse Graduates Welcome! Full-Time Position 12 Hour ShiftsPay: $37 / hour This position also includes generous shift differentials. Registered Nurse New Graduate Career Opportunity Encompass Health: Where Nursing Meets Heart, Home, and HealingAre you seeking a nursing career deeply rooted in purpose, close to your heart and home Encompass Health offers a transformative journey where your expertise as a Registered Nurse becomes an integral part of patients' recoveries. Picture the impact of providing individualized, compassionate care that guides patients along their path to healing. With us, small victories lead to monumental impacts as you use your specialized skills to offer top-tier, personalized support. Understand your patients deeply, assist in their rehabilitation goals, and thrive in an environment equipped with cutting-edge technology. Welcome to a place where nursing becomes a profound contribution to both community and personal fulfillment.A Glimpse into Our WorldAt Encompass Health, you'll experience the difference the moment you become a part of our team. Being at Encompass Health means aligning with a rapidly growing national inpatient rehabilitation leader. We take pride in the growth opportunities we offer and how our team unites for the greater good of our patients. Our achievements include being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, among other accolades, which is nothing short of amazing.Starting Perks and BenefitsOur benefits are designed to support your well-being and start on day one:Affordable medical, dental, and vision plans for both full-time and part-time employees and their families.Generous paid time off that accrues over time.Opportunities for tuition reimbursement and continuous education.Company-matching 401(k) and employee stock purchase plans.Flexible spending and health savings accounts.A vibrant community of individuals passionate about the work they do!Realize Your Vision as a Registered NurseSupervise care and treatments, lead patient assessments, tailor care plans, and address patient concerns to provide exceptional care.Build meaningful relationships with patients and their families, understanding their unique needs to facilitate their recoveryCollaborate and communicate effectively with various departments to ensure coordinated care and provide direct patient care when needed.Serve as a resource for fellow staff, supporting them with complex patient needs and inquiries.Celebrate victories and milestones achieved by our patients. QualificationsValid RN licensures as required by state regulations.CPR certification (ACLS preferred).The Encompass Health WayWe proudly set the standard in care by leading with empathy, doing what's right, focusing on the positive, and standing stronger together. Encompass Health is a trusted leader in post-acute care with over 150 nationwide locations and a team of 36,000 exceptional individuals and growing!At Encompass Health, we celebrate and welcome diversity in our inclusive culture. We provide equal employment opportunities regardless of race, ethnicity, gender, sexual orientation, gender identity or expression, religion, national origin, color, creed, age, mental or physical disability, or any other protected classification.We're eager to meet you, and we genuinely mean that. Join us on this remarkable journey!

Pay: $34.00 to $60.00 / hour Now hiring for PRNs!PRN Rate: $50 / hourCompetitive pay based upon years of experience and applicable certifications JoinaTeamThat PutsYourPassionforCareFirstAre you seeking a fulfilling career that feels like home and lets you make a meaningful impact At Encompass Health, you'll find an opportunity to provide exceptional care and support to our patients, witnessing their remarkable progress firsthand. As a Physical Therapist, your specialized skills will help deliver high-quality, compassionate care, allowing you the time to deeply understand and guide patients on their rehabilitation journey. Our well-equipped physical therapy gyms, backed by the latest technology, foster a supportive, driven, and welcoming environment. From day one, you'll experience a rewarding career and comprehensive benefits that prioritize your peace of mind and professional growth. Welcome to a place where your passion for care fuels remarkable progress and fulfillment.A GlimpseintoOurWorldWhether you're at the early stages of your career, seeking to build a strong foundation, or an experienced Physical Therapist in search of a better environment to call home, you'll experience the difference the moment you become a part of our team. Being at Encompass Health means being with a growing national inpatient rehabilitation leader. We take immense pride in our career growth opportunities and how our team collaborates for the greater good of our patients. Our achievements, including being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, make us truly remarkable.OurCommitmenttoYouOur benefits are designed to support your well-being and start on day one:Affordable medical, dental, and vision plans for both full-time and part-time employees and their families.Generous paid time off that accrues over time.Tuition reimbursement and continuous education opportunities for your professional advancement.Company-matching 401(k) and employee stock purchase plans for a secure financial future.Flexible spending and health savings accounts tailored to your unique needs.A community of individuals passionate about what they do.BethePhysicalTherapistYou'veAlwaysAspiredtoBeYour journey involves:Providing direct inpatient care to patients in need of physical therapy.Supervising care and treatments, leading patient assessments, creating personalized care plans, and addressing patient concerns.Building meaningful relationships with patients by taking the time to understand their physical, mental, and emotional needs to support their recovery.Celebrating every victory along the way. QualificationsCurrent licensure or certification as required by state regulations.CPR certification.Master's Degree preferred, or Bachelor's Degree plus sufficient experience in the field.TheEncompassHealthWayWe proudly set the standard in care by leading with empathy, doing what's right, focusing on the positive, and standing stronger together. Encompass Health is a trusted leader in post-acute care with over 150 nationwide locations and a team of 36,000 exceptional individuals and growing!At Encompass Health, we celebrate and welcome diversity in our inclusive culture. We provide equal employment opportunities regardless of race, ethnicity, gender, sexual orientation, gender identity or expression, religion, national origin, color, creed, age, mental or physical disability, or any other protected classification.We're eager to meet you, and we truly mean that. Join our family, and let's make a difference together!

Pay: $34.00 to $60.00 / hour Now hiring for PRNs!PRN Rate: $50 / hourCompetitive pay based upon years of experience and applicable certifications JoinaTeamThat PutsYourPassionforCareFirstAre you seeking a fulfilling career that feels like home and lets you make a meaningful impact At Encompass Health, you'll find an opportunity to provide exceptional care and support to our patients, witnessing their remarkable progress firsthand. As a Physical Therapist, your specialized skills will help deliver high-quality, compassionate care, allowing you the time to deeply understand and guide patients on their rehabilitation journey. Our well-equipped physical therapy gyms, backed by the latest technology, foster a supportive, driven, and welcoming environment. From day one, you'll experience a rewarding career and comprehensive benefits that prioritize your peace of mind and professional growth. Welcome to a place where your passion for care fuels remarkable progress and fulfillment.A GlimpseintoOurWorldWhether you're at the early stages of your career, seeking to build a strong foundation, or an experienced Physical Therapist in search of a better environment to call home, you'll experience the difference the moment you become a part of our team. Being at Encompass Health means being with a growing national inpatient rehabilitation leader. We take immense pride in our career growth opportunities and how our team collaborates for the greater good of our patients. Our achievements, including being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, make us truly remarkable.OurCommitmenttoYouOur benefits are designed to support your well-being and start on day one:Affordable medical, dental, and vision plans for both full-time and part-time employees and their families.Generous paid time off that accrues over time.Tuition reimbursement and continuous education opportunities for your professional advancement.Company-matching 401(k) and employee stock purchase plans for a secure financial future.Flexible spending and health savings accounts tailored to your unique needs.A community of individuals passionate about what they do.BethePhysicalTherapistYou'veAlwaysAspiredtoBeYour journey involves:Providing direct inpatient care to patients in need of physical therapy.Supervising care and treatments, leading patient assessments, creating personalized care plans, and addressing patient concerns.Building meaningful relationships with patients by taking the time to understand their physical, mental, and emotional needs to support their recovery.Celebrating every victory along the way. QualificationsCurrent licensure or certification as required by state regulations.CPR certification.Master's Degree preferred, or Bachelor's Degree plus sufficient experience in the field.TheEncompassHealthWayWe proudly set the standard in care by leading with empathy, doing what's right, focusing on the positive, and standing stronger together. Encompass Health is a trusted leader in post-acute care with over 150 nationwide locations and a team of 36,000 exceptional individuals and growing!At Encompass Health, we celebrate and welcome diversity in our inclusive culture. We provide equal employment opportunities regardless of race, ethnicity, gender, sexual orientation, gender identity or expression, religion, national origin, color, creed, age, mental or physical disability, or any other protected classification.We're eager to meet you, and we truly mean that. Join our family, and let's make a difference together!

Pay: $34.00 to $60.00 / hour Now hiring for PRNs!PRN Rate: $50 / hourCompetitive pay based upon years of experience and applicable certifications JoinaTeamThat PutsYourPassionforCareFirstAre you seeking a fulfilling career that feels like home and lets you make a meaningful impact At Encompass Health, you'll find an opportunity to provide exceptional care and support to our patients, witnessing their remarkable progress firsthand. As a Physical Therapist, your specialized skills will help deliver high-quality, compassionate care, allowing you the time to deeply understand and guide patients on their rehabilitation journey. Our well-equipped physical therapy gyms, backed by the latest technology, foster a supportive, driven, and welcoming environment. From day one, you'll experience a rewarding career and comprehensive benefits that prioritize your peace of mind and professional growth. Welcome to a place where your passion for care fuels remarkable progress and fulfillment.A GlimpseintoOurWorldWhether you're at the early stages of your career, seeking to build a strong foundation, or an experienced Physical Therapist in search of a better environment to call home, you'll experience the difference the moment you become a part of our team. Being at Encompass Health means being with a growing national inpatient rehabilitation leader. We take immense pride in our career growth opportunities and how our team collaborates for the greater good of our patients. Our achievements, including being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, make us truly remarkable.OurCommitmenttoYouOur benefits are designed to support your well-being and start on day one:Affordable medical, dental, and vision plans for both full-time and part-time employees and their families.Generous paid time off that accrues over time.Tuition reimbursement and continuous education opportunities for your professional advancement.Company-matching 401(k) and employee stock purchase plans for a secure financial future.Flexible spending and health savings accounts tailored to your unique needs.A community of individuals passionate about what they do.BethePhysicalTherapistYou'veAlwaysAspiredtoBeYour journey involves:Providing direct inpatient care to patients in need of physical therapy.Supervising care and treatments, leading patient assessments, creating personalized care plans, and addressing patient concerns.Building meaningful relationships with patients by taking the time to understand their physical, mental, and emotional needs to support their recovery.Celebrating every victory along the way. QualificationsCurrent licensure or certification as required by state regulations.CPR certification.Master's Degree preferred, or Bachelor's Degree plus sufficient experience in the field.TheEncompassHealthWayWe proudly set the standard in care by leading with empathy, doing what's right, focusing on the positive, and standing stronger together. Encompass Health is a trusted leader in post-acute care with over 150 nationwide locations and a team of 36,000 exceptional individuals and growing!At Encompass Health, we celebrate and welcome diversity in our inclusive culture. We provide equal employment opportunities regardless of race, ethnicity, gender, sexual orientation, gender identity or expression, religion, national origin, color, creed, age, mental or physical disability, or any other protected classification.We're eager to meet you, and we truly mean that. Join our family, and let's make a difference together!

Physical Therapist AssistantKey information:Title: Physical Therapist AssistantLocation/work environment: In facilityReporting structure: Reporting to Director of RehabAbout the jobAs a Physical Therapist Assistant, you help patients get well. You are the person who can bring their power back. In doing this, you will implement physical therapy programs and activities, follow developed recovery plans, and deliver therapy treatments.You're a healer and a helper, which is why you got into this line of work.You're equally adept at addressing the whole patient and seeing them as an individual. You know your goal is to execute a program that will restore, reinforce, and enhance their physical abilities.You're adaptable to the needs of the patient and can find joy in the variety of the work and the settings.You're a teammate and are looking for collaboration with your peers, but you're also happy to make referrals to help your patient get the care they need to thrive.You know that being a Physical Therapist Assistant means putting patients first; ensuring patients and their families receive the highest quality of service in a caring and compassionate atmosphere.If this sounds like you, we'd love to meet you!Who is Powerback Powerback Rehabilitation (Powerback) is a new way of delivering recovery, rehabilitation, respiratory, and wellness services to patients across the nation. We deliver an empowered approach to achieving your full potential by providing integrated and individualized solutions. Our reimagined approach to rehabilitation connects directly to the patient experience, which is centered on transforming the road to recovery for everyone and helping patients get their power back. It's patient-centered care that provides a sustainable way of feeling better, moving better, breathing better, and living better.Why Now Working in a company that values growth and understands what it means to be a caregiver is refreshing. Our CEO is a former staff therapist. We offer growth, paths forward, and we are committed to patient-centered care. We are growing, stable, and need people like you, who have a calling to help people thrive.Isn't it time for you to work with a team where 86% of them know and feel their work makes a difference So much so, we're certified as a 2023 Great Place to Work.Now is the time for you to join Powerback.What's next Powerback has streamlined our hiring process:1. Applying takes 3 minutes, give or take.2. You'll hear back from us within 1 business day.3. If you meet the qualifications, a recruiter will call you for a 10-minute conversation within 2-3 business days, depending on your availability.4. You will then be presented to the hiring manager5. The hiring manager will reach out within a business day to schedule the interview.^^ This all happens within 1-5 business days from the phone screen. ^^6. After your interview, the hiring manager makes a quick decision. We aim to accomplish this within the week.7. If the hiring manager wants to move forward, you will hear from us within a business day, because we are excited to get you started!SPECIFIC EDUCATIONAL/VOCATIONAL REQUIREMENTS: 1. Graduate of an accredited Physical Therapist Assistant Program certified by the American Physical Therapy Association. 2. Licensed and/or eligible for licensure as required by the state of practice.

Powerback is a new way of delivering recovery, rehabilitation, respiratory, and wellness services to patients across the nation. We deliver an empowered approach to achieving your full potential by providing integrated and individualized solutions. Our reimagined approach to rehabilitation connects directly to the patient experience, which is centered on transforming the road to recovery for everyone and helping patients get their power back. It's patient-centered care that provides a sustainable way of feeling better, moving better, breathing better, and living better.POSITION SUMMARY: The Occupational Therapy Assistant will primarily provide outpatient rehabilitation services in an in-home setting for the older adult population. The in-home setting could be a patient's private residence or in a patient's room in an independent living facility. Powerback Rehabilitation To You allows the Occupational Therapy Assistant to treat in the most functional environment which is the patient's home. The Occupational Therapy Assistant implements occupational therapy programs and provides occupational therapy treatments to patients to facilitate increased independence and functioning, under the supervision of an Occupational Therapist. This position provides a flexible schedule and work environment in various settings.RESPONSIBILITIES/ACCOUNTABILITIES:1. Attends and contributes to patient care, staffing conferences and other required meetings as a representative of occupational therapy, under the direction of the Occupational Therapist.2. Responsible for adherence to department and patient treatment schedule, timely clinical and billing documentation requirements as well as work related meetings.3. Works with other members of the rehabilitation team to develop programs and activities consistent with the needs and capabilities of each patient.4. Instructs patients, families and other caregivers in the skills and techniques of the occupational therapy treatment program under the supervision of the Occupational Therapist.5. Maintains appropriate and timely documentation for all patients treated.6. Cleans, maintains, identifies, and reports the need for repair of equipment, as necessary.7. Puts Patient Service First: Ensures that patients and families receive the highest quality of service in a caring and compassionate atmosphere which recognizes the individuals' needs and rights.8. Implements a patient's individualized treatment plan as established by the primary Occupational Therapist.9. Provides individualized occupational therapy interventions including application of therapeutic techniques in such areas as, but not limited to:* cognitive skills* muscle strength* coordination* endurance* mobility* perceptual abilities* sensory awareness* sitting and standing tolerance* balance* activities of daily living* joint protection* work simplification* orientation* physical agent modalities* low vision* falls risk management* medication management* health and wellness* community integration and reintegration10. Performs other related duties as required.SHAREOTAV1. Must have a valid license in the state(s) of practice, or proof of license eligibility. 2. Must have a valid driver's license or reliable, independent transportation to and from the patients' residence.

Powerback is a new way of delivering recovery, rehabilitation, respiratory, and wellness services to patients across the nation. We deliver an empowered approach to achieving your full potential by providing integrated and individualized solutions. Our reimagined approach to rehabilitation connects directly to the patient experience, which is centered on transforming the road to recovery for everyone and helping patients get their power back. It's patient-centered care that provides a sustainable way of feeling better, moving better, breathing better, and living better.POSITION SUMMARY: The Physical Therapist Assistant will primarily provide outpatient rehabilitation services in an in-home setting for the older adult population. The in-home setting could be a patient's private residence or in a patient's room in an independent living facility. Powerback Rehabilitation To You allows the Physical Therapy Assistant to evaluate and treat in the most functional environment which is the patient's home. The Physical Therapist Assistant provides physical therapy treatments to patients to facilitate increased independence and functioning under the supervision of a Licensed Physical Therapist. This position provides a flexible schedule and work environment in various settings.RESPONSIBILITIES/ACCOUNTABILITIES:1. Attends and contributes to patient care, staffing conferences and other required meetings as a representative of physical therapy, under the direction of the physical therapist.2. Responsible for adherence to department and patient treatment schedule, timely clinical and billing documentation requirements as well as work related meetings.3. Works with other members of the rehabilitation team to implement programs and activities consistent with the needs and capabilities of each patient.4. Acts as an assistant to the Physical Therapist when the Physical Therapist is performing tests, evaluations, and complex procedures.5. Instructs patients, families and other caregivers in the skills and techniques of the physical therapy treatment program under the supervision of the Physical Therapist.6. Maintains appropriate and timely documentation for all patients treated.7. Cleans, maintains, identifies, and reports the need for repair of equipment, as necessary.8. Puts Patient Service First: Ensures that patients and families receive the highest quality of service in a caring and compassionate atmosphere which recognizes the individuals' needs and rights.9. Implements patient's individualized treatment plan as established by the primary Physical Therapist.10. Provides individualized physical therapy treatments including but not limited to:* Therapeutic exercise including aerobic capacity conditioning, balance coordination, agility training, body mechanics and postural stabilization, flexibility exercises, gait and locomotion training, neuromotor development training, relaxation, strength, power, and endurance training* Functional training* Manual therapy* Airway clearance techniques* Integumentary repair and protection* Use of electrotherapeutic, physical agent and mechanical modalities* Health and Wellness* Falls Risk Interventions* Chronic Disease Management Education11. Performs other related duties as required. SHAREPTAV1. Must have a valid license in the state(s) of practice, or proof of license eligibility. 2. Must have a valid driver's license or reliable, independent transportation to and from the patients' residence.

Compensation Range $26.00 - $46.00 / hourCompetitive pay based upon years of experience and applicable certifications, with competitive shift differential! Now hiring for PRNs!PRN Rate: $32 / hourAppreciated for your Dietitian SkillsAre you a dedicated dietitian in search of a career that feels close to home and heart As a dietitian at Encompass Health, you'll play a crucial role in promoting health and wellness through personalized nutrition plans. Your responsibilities will include assessing patients' nutritional needs, developing and implementing dietary plans, and providing education on healthy eating habits. In this role, you will instruct patients on post-discharge diets and monitor their nutritional status. If you're passionate about making a positive impact on individuals' lives through nutrition and are seeking a rewarding career that aligns with your values, consider joining us on our mission to enhance the well-being of the patients we serve in your community.A Glimpse into Our WorldAt Encompass Health, you'll experience the difference the moment you become a part of our team. Working with us means aligning with a rapidly growing national inpatient rehabilitation leader. Our achievements include being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, among other accolades, which is nothing short of amazing.Starting Perks and BenefitsAt Encompass Health, we are committed to creating a supportive, inclusive, and caring environment where you can thrive. From day one, you will have access to:Affordable medical, dental, and vision plans for both full-time and part-time employees and their families.Generous paid time off that accrues over time.Opportunities for tuition reimbursement and continuous education.Company-matching 401(k) and employee stock purchase plans.Flexible spending and health savings accounts.A vibrant community of individuals passionate about the work they do!Become the Dietitian you always wanted to beCommunicate with and counsel patients per physician orders and diet instruction.Communicate with physicians and other involved disciplines in patient care.Evaluate referral orders to determine adequacy of nutrition intake methods.Document pertinent information in the patient's medical record according to established standards.Implement nutritional care plans, adapt menus, and assist patients with special dietary needs.Conduct calorie counts and make appropriate recommendations.Review, revise, and sign off menus for nutritional adequacy. QualificationsRegistered by the Commission on Dietetic Registration of the American Dietetic AssociationState licensure required.Membership in the Academy of Nutrition and Dietetics preferred.Bachelor's or advanced degree from an accredited institution with a major in Food & Nutrition.One year of Clinical Dietetics experience preferred.The Encompass Health WayWe proudly set the standard in care by leading with empathy, doing what's right, focusing on the positive, and standing stronger together. Encompass Health is a trusted leader in post-acute care with over 150 nationwide locations and a team of 36,000 exceptional individuals and growing!At Encompass Health, we celebrate and welcome diversity in our inclusive culture. We provide equal employment opportunities regardless of race, ethnicity, gender, sexual orientation, gender identity or expression, religion, national origin, color, creed, age, mental or physical disability, or any other protected classification.We're eagerly looking forward to meeting you, and we genuinely mean that. Join us on this remarkable journey!

Please note, this position is located at Stratton Mountain Resort inStratton Mountain, VT Seasonal (Seasonal)At Stratton, we are a team of people who work extremely hard and take our jobs very seriously, without forgetting how to laugh and have fun. We choose people that display the talent and attitude that exemplify the high level of service our guests expect and deserve. Our vision is to be A BOLD MOUNTAIN COMMUNITY CULTIVATING EXTRAORDINARY EXPERIENCES. BESIDES GETTING PAID TO WORK AT AN INCREDIBLE RESORT, WHAT'S IN IT FOR YOU Stratton's team members are rewarded with job experience, opportunities for career advancement and some great lifestyle perks (eligibility based on employee type).Alterra Mountain Company Employee Pass - free lift access & discounts at Alterra resortsFree or discounted multi-resort dependent season passesFree or discounted IKON pass Discounted golf & fitness center membershipsEmployee childcare rates & discounted seasonal programsRetail + F&B discountsFriends & family ticketsOnsite medical clinicMedical, dental, vision, life, disability, EAP, HSAs, & FSAs 401(k) plan with company matchDiscounted tuition planPaid parental leavePaid sick time, FTO, VacationAdditional perks & benefits for year round employeesPOSITION SUMMARY Stratton Shuttle Drivers are an important division of our resort team, transporting our guests and employees daily to the base area, parking lots, and other areas of the resort. They are an extension of the resort brand and are vital in the role of creating extraordinary memories. We are looking for CDL drivers for this winter season. This is a part-time seasonal position, with a wage range of $20.00 - $24.00/hr.ESSENTIAL DUTIESSafely transporting guests and employees to various destinations on the resortAccurately and attentively providing answers to guest questionsResponsible for reporting any mechanical concernsEnsuring safety is first on shuttleEDUCATION & EXPERIENCE REQUIREMENTS Education: High School Diploma, or equivalent preferredExperience: Previous transportation experience preferredQUALIFICATIONS, KNOWLEDGE, SKILL AND ABILITY REQUIREMENTS Minimum of 18 years of ageCDL Class A or B and C (Large Lot 2 buses) with passenger or school bus endorsement, air brake endorsement and DOT required Medical Card Must have a valid Driver's LicenseMeet the minimum requirements of Stratton's Driver Standards PolicyPHYSICAL DEMANDS AND WORKING CONDITIONS This position may be required to work evenings, weekends and holidays.To perform this job successfully, an individual must be able to perform each essential duty satisfactorily with or without reasonable accommodations. An Equal Opportunity Employer