Secure our Nation, Ignite your FutureNetwork/System Administrator (NSA) - IIIBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Network Systems AdministratorIII to join our team in El Segundo, CA.The primary function is working with Special Access Program (SAPs) and other classified networks supporting SMC Directorates and/or AFSPC Operational Units. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.Responsibilities include but not limited to:Install, maintain, audit and support a secure MS Windows network environment and limited web/data application service.Maintain internet applications and protocols IP, TCP, HTTP, HTTPS, FTP, & SSL.Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required.Interface with local customers and provide IT related support to quickly resolve problems.Analyze and troubleshoot system anomalies to ensure optimum equipment performance.Perform periodic maintenance, hardware upgrades and replacement, firmware updates and system configuration changes.Perform scheduled tape backups on systems as required.Manage data backup library to include storage of tapes, disks and other magnetic media at the customer’s location and off-site storage facilities as required.Attend planning and requirements meetings with IT staff, Program Managers and customers as required.Prepare system for operational use and support operational tests.Provide technical guidance.Provide leadership, mentoring, and quality assurance for Team Members.Minimum Qualifications:Bachelor’s degree in a related area or 4 additional years of experience may be accepted in lieu of degree.Minimum of 6 years total related experience. Minimum 4 years of relevant SCI experience.Minimum 2 years of SAP-related experience highly desired.Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 within 6 months of the date of hire.Applicable Windows professional certifications, based on OS requirements for supportedThorough knowledge of Microsoft Windows 2000/2003/2007 Server, Microsoft Exchange Server 2003, Microsoft Windows XP/Vista operating systems (OS) administration and associated hardware.Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies to include communication security (COMSEC) integration.Working knowledge of JAFAN 6/0, DCID/JAFAN 6/3, DCID/JAFAN 6/9, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards, Common Criteria, and System Security Policy as they relate to C&A for Legacy systems.Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross domain solutions is a plus.Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents.Clearance Requirements: Current Top-Secret Clearance with SCI Eligibility.Eligibility for access to Special Access Program.Preferred Qualifications:Ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners.Working knowledge of Microsoft Office (Word, PowerPoint, and Excel).Possess a high degree of originality, creativity, initiative requiring minimal supervision.Requires travel within the organizational Area of Responsibility (AOR) (note - could be extensive and will include both air and ground transportation).Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.The projected compensation range for this position is $109,100-$181,100. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, ManTech invests in it’s employees beyond just compensation. ManTech’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.