MTSI is seeking a Senior Systems Engineer to support the Missile Defense Agency’s (MDA) Program Office delivering critical capabilities for the Defense of Guam (DoG). This role supports a priority national defense effort in a dynamic environment, ensuring effective integration of missile defense elements to protect a key strategic location. The selected candidate will provide senior-level systems engineering support, guiding technical efforts across multiple domains and ensuring alignment with MDA objectives.

Job Responsibility:

• Serve as the Guam Interoperability Technical Lead identifying, prioritizing, and managing interoperability risks, issues, trouble reports and observations
• Coordinate with GDS JPO, the services, and external developers to ensure external support to MDA component offices for development, integration and test assets
• Champions all inter-element/inter-agency/service interoperability challenges to include tracking issue/trouble report progress and providing metrics to MDA leadership for all MDA Guam equities.
• Supports AB, DC, DE, DT and the MDA Director in management of interoperability issues that impact MDA Guam commitments
• Identifies and champions interoperability objectives for integration tests (e.g. JCIs, CDIs), exercises, test venues (e.g. development HWIL labs) and analysis venues to reduce design and interoperability risks prior to entering formal GDS testing
• Ensures MDS component offices, developers and test/analysis teams receive all externally-furnished data, information, models, test assets, threat/scenario data, and requirements to design, develop, test and field MDA components
• Perform integrated analysis and evaluation of DoG test events including Flight Tests, Ground Tests, and System Integration Check Out (SICO) activities
• Participate in and support engineering milestones such as Preliminary and Critical Design Reviews (PDR/CDR), Test Readiness Reviews (TRRs), and technical assessments
• Collaborate with stakeholders across MDA and supporting organizations to coordinate schedules, resolve issues, and ensure technical accuracy
• Provide input on secure system design considerations, risk identification, and mitigation strategies
• Lead or support technical interchange meetings (TIMs), action tracking, and meeting coordination
• Develop executive-level briefings, technical papers, and correspondence for senior leaders, including Flag Officers and SES personnel
• Coordinate GENser and SAP-level meetings and VTCs as needed
• Represent the Government customer in IPTs, working groups, and forums
• Apply engineering tools such as DOORS, Windchill, and Qlik for analysis and coordination
• Support efforts related to system security, including compliance tracking or integration of cybersecurity inputs into engineering processes

Required Qualifications:

• Active Secret clearance
• Master's Degree in STEM and 12+ years of related professional experience
• Strong understanding of MDA systems engineering processes and procedures
• Demonstrate understanding of system architecture and system
• Experience with MDA system elements (e.g., Patriot, THAAD, Aegis, C2BMC)
• Familiarity with secure development practices, configuration management, and cybersecurity-informed engineering
• Knowledge of the ETM-2 system and experience managing Congressional or routine taskers
• Ability to operate independently and communicate effectively across diverse technical teams
• Proficiency in Microsoft Office Suite (Outlook, Word, PowerPoint, Excel, Project) Skilled in developing and delivering technical briefings to senior decision-makers

Desired Qualifications:

• Preferred background that includes exposure to secure system development and cybersecurity-informed engineering practices
• Bachelor's degree in STEM in addition to Master's degree in STEM

#LI-AS1

Secret

Perks and Benefits

• Vacation:

  New Hires Accrue 20 days of PTO and 10 Holidays per Year

• Health Insurance:

  Zero Deductible Health Plans

• Flexible Schedules:

  Flex Schedules

• Professional Development:

  Up to $10,000 Annual Education/Training Reimbursement

• ESOP:

  Funded Stock Ownership Plan

• 401k Match+:

  6% 401k Match + Immediate Vesting

• Bonus Program:

  Semi-Annual Bonus Opportunity

• Mentorship:

  Career Mentorship Programs

Why is MTSI a great place to work

• 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 Decemeber)
  • 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 visitwww.mtsi-va.com

EEO Statement

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.

Why is MTSI a great place to work

• 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 Decemeber)
  • 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