Senior Design Engineer (Permanent Position)

We are seeking an experienced Senior Design Engineer to lead the mechanical design and development of aerospace structures, mechanisms, and systems. This role requires a hands-on approach from initial concept through detailed design, validation, testing, qualification, and delivery. The engineer will convert customer and system requirements into effective mechanical design solutions, develop CAD models, perform engineering calculations, and lead technical presentations.

• Lead mechanical design efforts from concept through to delivery.
• Translate customer and system requirements into mechanical design solutions.
• Perform and review engineering calculations and analyses.
• Develop CAD models and comprehensive drawing packages.
• Support prototype and hardware testing.
• Provide technical guidance to junior engineers.
• Contribute to proposal efforts and customer-facing technical presentations.
• Support multiple simultaneous programs and rapid concept development.

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 6+ years of experience in aerospace/defense system design.
• Proficiency in mechanical design fundamentals.
• Experience with SolidWorks and GD&T.
• Strong CAD/CAE knowledge.
• Ability to perform engineering calculations and tolerance stack-ups.
• Understanding of materials, strength, and stress fundamentals.
• Ability to interpret drawings and technical diagrams.
• Familiarity with military/commercial design specifications.
• Experience with qualification-tested hardware.
• Ability to work independently and manage multiple priorities.

• Masters degree in a relevant field is a plus.
• Experience with clean-sheet or new-product design.
• Understanding of system-level requirements and reviews.
• Experience with Preliminary Design Review (PDR) and Critical Design Review (CDR).
• Involvement in flight-test-related development and government acquisitions.
• Strong technical problem-solving and creativity skills.
• Excellent communication and customer relationship skills.
• Quality- and safety-focused mindset.
• U.S. person status required under U.S. export-control requirements.

This position is based in an in-office environment with access to manufacturing, test, and development floors. The work schedule follows a 9/80 format, offering every other Friday off, and starts at 8:00 AM. Engineers are expected to engage in hands-on design and development tasks, including CAD, drawing, engineering analysis, and testing. This role offers significant technical ownership and autonomy, providing an opportunity to mentor less-experienced engineers while participating in exciting new aerospace and defense projects.

This is a Permanent position based out of Mukilteo, WA.

The pay range for this position is $135000.00 - $180000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Medical, dental, and vision insurance 401(k) with company match Paid time off Health Savings Account (HSA) with company contribution Flexible Spending Accounts (FSA) Companypaid life and AD&D insurance Short and longterm disability coverage Tuition reimbursement

This is a Permanent position based out of Mukilteo, WA.

This position is anticipated to close on Nov 23, 2026.

This is a fully onsite position in Mukilteo,WA.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.