Senior Defense Technologist - Space

• You're Mission-Driven:You are motivated by strengthening space capabilities that underpin U.S. national security.
• You Think Across Domains:You understand how space systems integrate with air, land, maritime, and cyber systems to support joint warfighting needs.
• You Work Well in Ambiguity:You can identify technology pathways and operational implications even when requirements are evolving.
• You Communicate with Influence: You can translate complex technical insights into clear, operationally meaningful outcomes and brief senior leaders confidently.
• You Lead with Collaboration:You work seamlessly with engineering, analysts, operators, and senior government officials.

• The successful candidate will provide advanced technical expertise, operational insights, and strategic awareness of space systems and architectures.
• Your essential job functions will include but may not be limited to:
• Serve as a subject matter expert (SME) on space systems, architectures, and mission areas.
• Provide technical and operational assessments of space capabilities and their integration into joint and coalition operations.
• Advise on the role of current and emerging space technologies and how they contribute to mission outcomes.
• Support mission engineering, future-force design, and integrated architecture development for space and multi-domain operations.
• Evaluate technology feasibility, performance, readiness, applicability, and operational relevance.
• Collaborate with analysts conducting modeling, simulation, and campaign-level assessments to ensure space contributions are adequately represented.
• Identify and communicate space capability gaps, opportunities, risks, and technology transition pathways.
• Engage with Joint Staff, Combatant Commands, Services, and OSW stakeholders to support investment prioritization.
• Contribute to the development of concepts of operations, requirements, and mission threads for future space missions.
• Develop and deliver high-quality briefings, technical documents, and senior-level recommendations.
• Ensure adherence to classification, disclosure, and security protocols across all activities.

• 15 years of experience in roles involving:
• Development, assessment, or integration of advanced space systems, architectures, or mission capabilities.
• Research, planning, and execution of technical projects relevant to space missions.
• Applying innovating engineering, analytical, or scientific methodologies to space-related operational problems.
• Supporting DoW stakeholders (e.g., Joint Staff, Combatant Commands, Military Services, or OSW) on capability development and technical decision-making.
• Evaluating space technologies for operational utility, effectiveness, and transition potential.

• Master's degree in physics, chemistry, mathematics, engineering, or a related technical discipline.
• Preferred:Doctoral/Terminal degree in physics, chemistry, mathematics, engineering, or a related technical discipline.

• Experience transitioning advanced space technologies from R&D into operational use.
• Background supporting joint, service, or Combatant Command space planning or analysis.
• Understanding of space domain mission areas, architectures, and supporting ground and cross-domain systems.
• Ability to lead complex technical discussions across diverse teams, including engineers, analysts, and senior government officials.
• Experience contributing to mission engineering or architecture development processes.
• Joint/Combatant Command staff experience (highly preferred).

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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