New

Software Test Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Jan 09, 2026
Golden Dome is a national-level, whole-of-nation initiative in which you will play a critical role in advancing next-generation homeland defense capabilities. If you are seeking a fast-paced position focused on developing innovative software for the Space-Based Interceptor mission, this opportunity is designed for you. Position Overview We are seeking a highly experienced Software Test Engineer to support the Golden Dome mission, with a focus on testing, verification, and validation of mission-critical software supporting space-based interceptor and associated ground systems. The selected candidate will serve as a senior authority for software test strategy, planning, execution, and analysis across complex, highly integrated defense systems. This role requires extensive experience testing software-intensive DoD systems, strong leadership capabilities, and the ability to operate effectively in highly classified environments. Key Responsibilities Lead the development and execution of software test strategies, plans, procedures, and reports for Golden Dome mission systems. Perform functional, integration, system, regression, and end-to-end software testing across mission-critical applications. Validate software requirements, interfaces, data flows, and operational behaviors in simulated and operationally representative environments. Coordinate test activities across software, systems, and operational teams to ensure comprehensive coverage. Support test readiness reviews (TRRs), system verification reviews (SVRs), and post-test analysis activities. Analyze test results, identify defects and anomalies, determine root causes, and support resolution and re-test efforts. Evaluate software performance, reliability, cybersecurity, and resiliency characteristics. Support automation of test execution and data analysis where appropriate. Prepare and deliver technical briefings to senior leadership and government stakeholders. Ensure all testing activities comply with security, safety, and program requirements, including SAP-controlled environments. Provide technical mentorship and guidance to junior test engineers. Required Qualifications Bachelor's degree in Computer Science, Engineering, Mathematics, or a related technical field. Master's degree preferred 15+ years of professional experience in software test, verification, and validation for complex DoD or space systems. Demonstrated experience testing large-scale, software-intensive systems in classified environments. Active Top Secret (TS) security clearance with SCI eligibility Minimum of 5 years of prior Special Access Program (SAP) experience Strong knowledge of software test methodologies, defect management, and requirements traceability. Experience with both manual and automated testing approaches. Excellent written and verbal communication skills, including experience briefing senior technical and government leadership. Preferred Qualifications Experience supporting missile defense, space systems, or homeland defense missions. Familiarity with Space Force, Missile Defense Agency (MDA), or other national-level defense programs. Experience testing command and control (C2), mission planning, or real-time systems. Proficiency with automated test frameworks, scripting languages, and CI/CD pipelines. Experience with modeling, simulation, or digital engineering environments. Prior experience in a technical lead or test lead role. #LI-AS1 #merlin 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.