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Senior Principal Weapons Systems Engineer

Modern Technology Solutions, Inc.
401(k)
2591 Eglin Boulevard (Show on map)
Sep 24, 2026
Roles and Responsibilities:
Lead LRSO weapon system physical/electrical aircraft integration across various USAF threshold and objective platforms.Serve as Program Interface Manager and primary Point of Contact (POC), collaborating with cross-functional Integrated Product Teams (IPTs), prime contractors, external aircraft programs, joint agency and Major Command warfighter throughout the weapon lifecycle.Develop, maintain, and update the Interface Control Document (ICD), define message traffic, and author Interface Change Notices.
-Provide oversight and technical management for mission system applications.
-Facilitate and participate in key engineering integration meetings:
  • Milestone design and technical reviews
  • Team Lead Meetings
  • Material Improvement Program Review Boards
  • Interface Control Working Groups
  • Engineering and Crew Station Working Groups
  • Lead System Integrator Technical Engagements
  • Integrated Test Team Meetings
-Act as the Gatekeeper for engineering integration activities
  • Facilitate integration and engineering test build events
  • Knock down administrative and engineering barriers
  • Raise integration issues to technical and programmatic POCs and/or leadership for decision/action
  • Plan and schedule resources to support integration and test
  • Report on status of ongoing integration and test
-Understanding and application of airworthiness process
-Understanding and application of nuclear certification process.
-Ensure all activities comply with safety, environmental, airworthiness, systems engineering, and Foreign Disclosure requirements.
-Advise leadership by proactively identifying cost, schedule, and performance risks, and provide actionable mitigation strategies to reduce time-to-flight and integration lead times.
-Provide weapon system support at System Integration Laboratory (SIL) events, reviewing procedures and reports. Proactively resolve integration issues for nuclear capable systems to improve reliability, survivability, and lethality in a rapid fielding environment.
-Maintain mastery and serve as the office authority for MIL-STD-1760, MIL-STD-1553, and other USG Universal Armament Interface (UAI) requirements and protocols. Ensure the longevity of this technical expertise within the office.
  • Electrical - familiarity with IDD development processes and requirements, weapons module design/integration, systems integration requirements, and a/c interface standards /requirements
  • Physical - experience with launchers, carriage equipment and separation, fitment analysis
Required Qualifications:
  • Exceptional integrity, professionalism, and a commitment to MTSI's core values.
  • 15+ years of relevant experience in Air Force acquisitions, multi-faceted tests and test project teams, and USAF weapon system integration and test programs.
  • Proven experience in aviation system design, development, integration, test and evaluation, aerospace duties, and/or related technical work.
  • Excellent written and verbal communication skills, including experience briefing technical content to senior leadership.
  • Strong customer service skills; being able to work with personnel across multiple disciplines and organizations.
  • Strong organizational skills and ability to manage multiple tasks concurrently.
  • Ability to work well in a cross-disciplinary team with other engineers and military operators.
  • Ability to apply expert knowledge and proactively work independently.
  • Ability to operate effectively in a fast-paced, dynamic, "tip of the spear" environment.
  • Demonstrated willingness to learn and adapt to evolving mission and technical requirements.
  • Proficiency in Microsoft Office 365 products
Desired Qualifications:
  • Experience with open architecture frameworks and model-based systems engineering (MBSE) methodologies.
  • Integration of nuclear weapons systems and nuclear certification process relative to B-52, B-2, and B21 platforms.
  • Familiarity with agile development and systems engineering tools such as Atlassian Suite and Cameo
Education Requirements:
  • Master's degree in Systems Engineering, Electrical Engineering, Aeronautical Engineering, Computer Engineering, or a related technical discipline.
  • Bachelor's degree with 5+ years of additional Systems Engineering experience may be substituted for a Master's degree.
Certification Requirements:
  • INCOSE ASEP or similar systems engineering certification desired.
Clearance Requirements:
  • US Citizenship.
  • Must possess an active DoD Top Secret Clearance with SAP and SCI eligibility.
Location/Travel:
  • Work location is customer site at Eglin AFB, FL
  • CONUS travel required, at the discretion of Government Integration Lead, up to 20%.





  • 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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