New

Verification & Validation Senior Test Engineer

Modern Technology Solutions, Inc.
$120,000.00 - $165,000.00 / yr
401(k)
United States, California, San Diego
Jul 28, 2026
Modern Technology Solutions, Inc. (MTSI) is seeking a Verification & Validation Senior Test Engineer to support The Mobile User Objective System (MUOS), which is a Narrowband Satellite Communications System that supports a worldwide, Multi-Service population of mobile and fixed-site terminal users. It surpasses the capability of the Ultra-High Frequency (UHF) Follow-On (UFO) SATCOM system by providing reliable service to small, disadvantaged, and mobile terminals. As the Lead System Integrator (LSI), NX is responsible for the overall systems integration in accordance with the CMPS requirements. As such, NX formed the Verification and Validation (V&V) team to oversee developmental and integration test efforts for the SLE satellites acquisition and Ground updates. Responsibilities: The Verification & Validation Senior Test Engineer falls organizationally under the Verification & Validation (V&V) functional team in the NX Chief Engineer (NXE) organization. The V& V team is responsible for ensuring the SLE satellites acquisition and ground updates meet design requirements and intended functionality through systematic verification and validation. The Senior Test Engineer serves as key contributor to test plans and test procedures development for the Space and Ground End-to-End (N2N) verification tests and On-orbit System Validation (OSV) test. In addition to test document development, this role involves managing/participating in the Space, Ground, and Test Bed working groups in respective to V & V. The Senior Test Engineer is required to coordinate technical discussions, collaborate with Space, Ground, and Test Bed vendors to analyze and resolve test issues/findings. This position requires a highly motivated and results-oriented individual with a strong understanding of test methodology, event planning, and resource allocation. Your essential job functions will include but may not be limited to: Develop and implement test strategies, plans, and procedures based on system requirements. Evaluate verification testing to ensure the unit and/or system is built to specifications. Evaluate validation testing to confirm the unit and/or system meets user needs and intended use cases. Support the planning, execution, and documentation of MUOS ground and SLE space demonstrations/test events. Identify, track, and report defects/deficiencies, working with Government Program Office personnel and Prime Contractors/vendors to resolve issues. Maintain detailed test documentation, including test plans, procedures, and reports. Review Prime Contractor/vendor-submitted data items, provide comments, and recommend acceptance or rejection. Report status and outcomes of test activities to the Government V&V Lead, Chief Engineer, and program leadership. Collaborate with cross-functional teams, including developers or vendors, and system engineers. Provide input on risk assessments and recommend improvements based on test findings. Provide V&V inputs to assist with development and updates to the program Integrated Master Schedule and Government cost estimates. Qualifications: Minimum of 10 years of experience in Test & Evaluation of DoW communication systems. Minimum of 5 years of experience in system engineering specifically involving satellite communication systems. Minimum of 5 years of experience in system integration in the lab and operational environments. Strong understanding of satellite communications systems and technologies. Experience with MUOS or similar satellite constellations is preferred. Excellent analytical and problem-solving skills. Strong communication and interpersonal skills. Ability to work independently and as part of a team. Qualifications Desired: Experience in a leadership role within a complex engineering or technology organization. Knowledge of technical services in support of government acquisition. Experience with systems modeling and simulation tools (e.g. SYSML). Familiarity with IBM engineering requirements management Dynamic Object-Oriented Requirements System (DOORS). Education Requirements: Bachelor's degree from an accredited college or university. Security Clearance Requirements: Candidate must have an active SECRET clearance as a condition of employment. U.S. Citizenship is required for this position. Location/Travel Requirements: Must live within commuting distance of San Diego or El Segundo, CA. May be required to travel up to 20% within the continental United States, and OCONUS. The pay range for this position in California is $120,000/year to $165,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled. #LI-MM1 #MTSI #MTSIJOBS #MUOS 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.