Strategic Requirements Systems Engineer

• Develop, author, and maintain Interface Control Documents (ICDs) for cross-system interfaces between space (including spacecraft and payloads) and ground segments.
• Work closely with the Configuration Management team in preparing for Engineering Review Boards (ERBs) and Configuration Control Boards (CCBs)
• Develop interface diagrams, data dictionaries, message formats, command and telemetry mappings, and systemlevel interface descriptions.
• Identify interface risks and drive technical issue resolution across engineering teams.
• Support system integration and test activities by providing authoritative interface documentation and clarification.
• Ensure that documentation complies with best practices, program standards, and regulatory requirements.
• Provide technical Subject Matter Expert (SME) support to review of Prime contract Change Proposals
• Manage and coordinate Interface Control Working Groups (ICWGs), ensuring consistent communication across all stakeholders.
• Work closely with MSEIT modeling team to ensure models align with relevant ICDs and requirements flowdown associated with the cybersecurity technical baseline.
• Develop acquisition and technical requirements-related briefings, plans, papers, and other documentation in support of Gov't decision making. Collaborating with prime contractors, other support contractors, government civilians, and members of the U.S. Space Force

• Location:On-site
• Travel Requirements:Minimal
• Working Hours:Standard

• Eligible for SECRET/TS/SCI clearance
• Bachelor's degree in engineering, computer science, or related technical field.
• 8+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
• 5 years' experience working on DoD programs
• Direct experience developing or managing Interface Control Documents (ICDs) for complex systems.
• Strong familiarity with spacecraft subsystems (e.g., payloads, RF comms, power, GNC, thermal, propulsion, on-board Command and Data Handling).
• Ability to read and create schematics, interface diagrams, and data communication structures.
• Experience with systems engineering tools (e.g., DOORS, Jama, Cameo).
• Excellent technical writing, documentation, and communication skills.
• Strong interpersonal skills, communication (oral and written), and presentation skills
• Demonstrated ability to clearly articulate ideas, recommendations and options to customers, senior leaders, and stakeholders
• Proficient in Microsoft Office products (e.g., Word, Excel, PowerPoint)
• Due to security requirements, work is required to be performed on-site in a secure facility

• SECRET/TS/SCI clearance
• Master's degree in engineering, computer science, or related technical field.
• 12+ years' experience with space systems in support of space or ground segment development
• 12+ years' experience in a space acquisitions environment
• Experience in satellite hardware and software development
• Proficient in usage of model-based systems engineering (MBSE) tools
• Professional certifications (e.g., PMP, INCOSE CSEP / ESEP / ASEP)

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  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
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  Values:
  
  
  
  Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
  
  
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  100% Employee Owned:
  
  
  
  We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
  
  
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  Great Benefits - Most Full-Time Staff Are Eligible for:
  
  
  




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  Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  
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  Flexible schedules
  
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  6% 401k match with immediate vesting up to $9k annually
  
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  Semi-annual bonus eligibility (July and December)
  
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  Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  
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  Up to $10,000 in annual educational reimbursement
  
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  Other company funded benefits, like life and disability insurance
  
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  Optional zero deductible Blue Cross/Blue Shield health insurance plan
  




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  Track Record of Success:
  
  
  
  We have grown every year since our founding in 1993.
  
  

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com