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Flight Software Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Mar 19, 2026
We are seeking a highly skilled Flight Software Engineer to join the team in Huntsville, Alabama.
Join a forward-reaching program supporting critical defense-related satellite systems by leveraging your expertise as a Weapon System/Interceptor and or Space Systems Flight Software Engineer. In this role, you will play a key part in assessing, validating, and recommending vendor-proposed software solutions for weapon system and or satellites to ensure compliance with program requirements, mission objectives, and industry standards. This unique role emphasizes technical evaluation rather than development, making it ideal for an engineer with strong analytical skills and the ability to collaborate across multidisciplinary teams.
Key Responsibilities:
Vendor Solution Assessment:
  • Evaluate proposed weapon system or satellite flight software solutions for compliance with technical, performance, and safety requirements.
  • Validate architectural design choices in areas such as software reliability, scalability, and system integration capabilities.
  • Analyze the proposed software's compatibility with onboard hardware systems and operational environments, ensuring alignment with mission-specific needs.
Technical Analysis:
  • Review algorithms for satellite attitude control, power management, telemetry data processing, and payload operations to ensure mission performance.
  • Assess software robustness against space-based environmental challenges, including radiation effects, memory failures, and thermal extremes.
  • Evaluate the vendor's fault tolerance and error-handling mechanisms for critical satellite operations.
Documentation and Reporting:
  • Generate detailed technical documentation summarizing findings, including comparative performance analyses, risk assessments, and recommendations for vendor solution approval.
  • Prepare comprehensive test evaluation reports outlining identified issues and mitigation strategies for external and internal stakeholders.
  • Present technical evaluations and vendor compliance ratings to leadership teams, ensuring alignment with mission goals and industry best practices.
Validation and Verification:
  • Participate in vendor testing campaigns (e.g., simulation testing, hardware-in-the-loop testing) to independently verify stated software capabilities.
  • Evaluate test data for alignment with expected operational benchmarks, paying close attention to anomalies or discrepancies.
Collaborative Engagement:
  • Work with multidisciplinary teams, including hardware engineers, spacecraft systems analysts, and cybersecurity experts, to evaluate vendor-proposed solutions holistically.
  • Maintain regular communication with vendors to facilitate clarification of software designs and identify potential risks early.
Risk Management:
  • Identify software-related risks, such as reliability under space conditions, cybersecurity vulnerabilities, or integration complexities, and propose mitigation strategies.
  • Ensure all vendor-proposed software solutions align with DoD standards, requirements, and other applicable industry benchmarks.
Required Qualifications:
Technical Expertise:
  • Strong technical understanding of weapon system or satellite flight software principles, including real-time operating systems, embedded programming, and space-specific protocols.
  • Proficiency in analyzing systems designed for satellite navigation, telemetry, communications software, and payload command/control systems.
  • Familiarity with relevant standards such as NASA Software Safety Standards, IEEE Space Systems Standards, and DoD specifications for space systems.
Education and Experience:
  • Bachelor's degree in Aerospace Engineering, Computer Science, or a related field. Master's degree preferred.
  • 8+ years of experience in space systems software evaluation, integration, or architecture development.
  • Demonstrated experience in vendor evaluation processes or cross-functional collaborations within defense or government-level programs is highly desirable.
Security Clearance:
  • Active Secret Clearance with TS/SCI eligibility is required.
Skills and Competencies:
  • Exceptional analytical and problem-solving abilities, with attention to detail.
  • Strong verbal and written communication skills to convey complex technical evaluations to diverse stakeholders.
  • Ability to work in a dynamic environment requires multitasking under tight deadlines.
Preferred Qualifications
  • Practical knowledge of space environment impacts software reliability, including radiation and thermal factors.
  • Familiarity with software failure modes and impacts in mission-critical satellite operations.
#LI-AT1





  • Interesting Work:



    Our co-workers support some of the most important and critical programs to our national defense and security.






  • 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.






  • 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.






  • Great Benefits - Most Full-Time Staff Are Eligible for:





    • Starting PTO accrual of 20 days PTO/year + 10 holidays/year


    • Flexible schedules


    • 6% 401k match with immediate vesting up to $9k annually


    • Semi-annual bonus eligibility (July and December)


    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account


    • Up to $10,000 in annual educational reimbursement


    • Other company funded benefits, like life and disability insurance


    • Optional zero deductible Blue Cross/Blue Shield health insurance plan







  • 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

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.


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