New

Sr. Systems Engineer

Modern Technology Solutions, Inc.
401(k)

840 Falcon Avenue (Show on map)
Feb 25, 2026
As a Sr. Systems Engineer with MTSI, you will support a government organization essential to U.S. national security. In this position, you will apply knowledge and expertise to current and future projects, ensuring the reliability and performance of a variety of advanced systems through rigorous design, development, and testing phases. This position will be located at Patrick Space Force Base, Florida. Lead cross-domain system sustainment initiatives, ensuring long-term system viability and alignment with the strategic needs of program equity holders. Cultivate and maintain strong professional relationships with key stakeholders, including government sponsors, industry partners, and internal teams, serving as a primary liaison to ensure program objectives are met. Experience throughout the lifecycle of military RF communications and sensing systems, satellites, or telecommunication systems and architectures is highly desired. Experience with all areas of Interoperable Enterprise Military Communications and Networking Technologies, including Line of Sight (LOS), Beyond Line of Sight (BLOS), onboard and off-board. Knowledge and experience with Low Probability of Intercept (LPI) and Low Probability of Detection (LPD) waveforms and practices. Familiarity with Advanced Communications and Networking system development, integration, test, procurement, and sustainment, as well as Information Exchange Requirements (IERs), Network Centric Warfare, and Communications/Networking Subsystem integration into the overall Weapon System. Ability to lead Government and industry teams in the development of system requirements verification matrix, technical plans, design reviews, test reviews, technical assessments, etc. Support and advise on multiple technology development efforts from concept ideation through product delivery, to include: systems risk reduction, development, and integration which includes requirements definition/refinement, risk management, and the evaluation of functional, logical, and physical architectures/interfaces. Develop technical briefings and communicate complex technical content effectively to a wide range of audiences, including senior leaders, external partners, and program equity holders. Assist Acquisition Program Managers by documenting and communicating issues, risks, and solutions to the customer and contract management structure as needed. Qualifications:* 20+ years of experience with military Radio Frequency communication systems development, test, and fielding. Proven experience with Department of War data communication systems, infrastructure, and organizations. Demonstrated success in relationship management and acting as a liaison between technical teams, senior leadership, and external partners. Excellent spoken, written, and interpersonal communication skills, with an ability to clearly articulate technical concepts to non-technical stakeholders. Education: Bachelor's degree in a related degree from an accredited institution, or a minimum of 15 years of relevant experience. Clearance Requirements: Current TS (SCI & SAP eligibility required); an active TS/SCI clearance is desired. Subject to a Counterintelligence (CI) polygraph, U.S. Citizenship is required for this position. #LI-LS1 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.