What are the responsibilities and job description for the Software Test Engineer position at Modern Technology Solutions, Inc. (MTSI)?
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
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.
- 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.
- 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.