Senior Systems Engineer
Senior Systems Engineer
Location: Long Beach, California, USA
Salary: $110,000 - $175,000 per annum + benefits
Sector: Space Systems / Aerospace Engineering
Security Requirement: U.S. Citizenship Required
Alexander Associates are partnering with an innovative space technology organisation seeking a Senior Systems Engineer to join their growing Space Systems team in Long Beach, California.
This is an exciting opportunity to work on cutting-edge spacecraft and satellite programmes supporting civil, commercial, and defence customers. The successful candidate will play a key role in the development and execution of complex space missions, leading systems engineering activities from concept through testing and delivery.
Key Responsibilities
- Develop and maintain technical performance budgets for spacecraft and vehicle systems
- Define, manage, and verify system requirements throughout the programme lifecycle
- Conduct simulations, modelling, and analysis across spacecraft functions
- Develop test methodologies and analyse system performance data
- Lead the technical development of spacecraft missions and system architectures
- Support programme management and product development activities
- Produce interface specifications, CONOPS documentation, and technical design documentation
- Collaborate closely with multidisciplinary engineering teams to deliver mission objectives
- Support systems integration, validation, and verification activities
Essential Requirements
- Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Software Engineering, Computer Engineering, or a related discipline
- Minimum 8 years of aerospace engineering experience
- Experience supporting satellite or spacecraft development programmes
- U.S. Citizenship due to programme requirements
Desirable Experience
- Master's degree or PhD in a relevant engineering discipline
- Active TS/SCI Security Clearance
- Knowledge of spacecraft subsystems including:
- Attitude Determination and Control Systems (ADCS)
- Electrical Power Systems (EPS)
- Command & Data Handling (C&DH)
- Space-to-ground communications
- Thermal control systems
- Understanding of orbital mechanics, rigid body dynamics, and the space environment
- Experience using MATLAB, Python, and STK
- Familiarity with requirements management tools such as DOORS or JAMA
- Satellite operations experience
- Experience with environmental and qualification testing, including:
- Thermal vacuum testing
- Random vibration testing
- Hardware-in-the-loop (HITL) testing
- Strong problem-solving and stakeholder management skills
- Ability to thrive in a fast-paced engineering environment with competing priorities
What's on Offer
- Competitive salary of $110,000 - $175,000
- Comprehensive healthcare, dental, and vision coverage
- Retirement savings plan with company contribution
- Generous holiday allowance and paid leave
- Parental leave and life insurance benefits
- Employee stock purchase opportunities
- On-site facilities and additional employee perks
- Opportunity to contribute to industry-leading spacecraft and satellite programmes
If you are passionate about space systems engineering and want to work on mission-critical aerospace projects, we would love to hear from you.