Description of Duties: 
The Lead System Engineer supports the Missile Defense Agency (MDA) on the Integrated Research and Development for

Enterprise Solutions (IRES) contract. The candidate will: 

· Perform Systems Engineering and Project Management activities including, but not limited to: 
o Requirements analysis 
o Scheduling 
o Documentation and traceability matrix development 
o Preliminary design 
o Critical design 
o Detailed design 
o Test and evaluation 
o Research and development 
o Implementation and fielding 

o Sustainment and operations throughout the entire life cycle of the MDSEA program 
· Scope and execute: 
o Studies 
o Analysis 
o Detailed requirements definition 
o System engineering 
o Preliminary and detailed system architecture designs 
o System development of Enterprise Services 
o Satellite ground systems 
o Operations centers to include all supporting facilities. 

· Maintain alignment to support Team Leads: 
o Infrastructure 
o Networks 
o Integration 
o Logistics plans 
o Cybersecurity and physical security protection plans 
o Cost and schedule estimates for the development, fielding, tests, and operations of planned space capabilities 
· Perform impact assessments of customer requests 
· Develop and present briefings for internal customers and external stakeholders 
· Coordinate across the MDSEA environment and supported tenants 
· Ensure MDSEA products, services, and capabilities are delivered to the customers 
· Validate and verify documentation of MDSEA Enterprise solutions 
· Provide mentorship for Jr and Mid-Level System Engineers 
· Serve as manager and functional lead for MDSEA System Engineers, MDSEA Ground System Engineers, and DevSecOPS teams 

Resumes, in month and year format, must be submitted with application in order to be considered for the position. The
 selected candidate may be assigned as an employee for one of our teammate companies. 

Qualifications - External
Basic Requirements: 

• Must have 12, or more, years of general (full-time) work experience 
• May be reduced with completion of advanced education 
• Must have 6, or more, years of directly related to the support or management of IT systems in a systems engineering or architecture role/capacity within a DoD and/or Commercial enterprise 
• Must have 2, or more, years directly leading and managing systems engineers within a DoD and/or Commercial enterprise 
• Must have subject matter expertise in systems engineering within a virtualized and highly containerized environment 
• Must have a working knowledge of the following technical/management skills: Linux and Windows systems administration, storage management, effective database management techniques, and project management 
• Must have an active DoD Secret Security Clearance 
• Must be able to obtain an active DoD Top Secret Security Clearance with SCI eligibility 

Desired Requirements: 

• Have documented experience developing and editing Department of Defense Architecture Framework (DoDAF) products for major space and IT systems 
• Have extensive experience and working knowledge in both ballistic missile defense and space applications/systems 

This position is expected to pay $ 140,000 - $ 170,000 annually; depending on experience, education, and any certifications that are directly related to the position. 

       

Compensation Details:

$140,000 - $170,00.00

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

 

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

02/02/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.