Chief of Systems Engineer, Integration and Test (SEIT)

Modern Technology Solutions, Inc.
401(k)
United States, Colorado, Colorado Springs
Feb 26, 2026
Modern Technology Solutions, Inc. (MTSI) is seeking a Chief of Systems Engineering, Integration, and Test (SEIT) to deliver Defensive Cyber tools to the US Space Force. This role is responsible for ensuring requirements are continuously engineered, integrated, validated, and verified on an iterative, Agile basis. This position is in Colorado Springs, CO. Due to security requirements, work is required to be on-site in a government facility. The ideal candidate will combine deep cybersecurity expertise with strong systems engineering and integration test leadership experience to support diverse, complex, mission-critical environments. In addition, the ideal candidate will have experience as a Systems and Test Engineer in an Agile/DevSecOps environment, with expertise in translating requirements into Agile Epics, Features, and Stories, developing and executing automated, end-to-end and regression tests associated based on Definition of Done and Acceptance Criteria. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground systems. Key Responsibilities: Lead the development, allocation, and verification of Functional and Non-Functional (including interface and cybersecurity) requirements in alignment with DoD Systems Engineering guidance/process and NIST RMF, DoD 8500 series. Serve as Chief Engineer/Architect on Agile Release Train (SAFe) Lead SE team, including CM, MBSEs and Cloud Architects, and leverage MBSE models to maintain sound technical baseline/authoritative source of truth, and facilitate rapid/Agile architecture, design, development, build, test, and release Serve as overall Test Lead; ensure Agile test cases prepare the system/product for Government DT and OT, and ensure DT/OT events are integrated into Product Increment (PI)/DevSecOps planning and execution Perform system security architecture design and analysis for complex hardware/software systems. Conduct threat modeling, risk assessments, vulnerability analysis, and mitigation planning. Ensure cybersecurity considerations are integrated across system engineering processes (requirements, design, implementation, verification, and sustainment) Develop and oversee integration test strategies, plans, procedures, and reports. Interface with program management, system architects, developers, and external stakeholders; incorporate operator and stakeholder feedback into Requirements Participate in design reviews, risk boards, and configuration control boards. Identify technical risks and provide mitigation strategies. Work with Technical Director and Government leadership to create long term roadmaps, lead the translation/decomposition into requirements/Agile Product Increment planning Qualifications: Required: Master's and 10+ years of experience, or Bachelors Degree and 18+years, in technical field, such as systems engineering, computer engineering, and computer science. *Experience in Systems Engineering, and* Integration, and Test/Verification in an Agile environment; proven ability to rapidly take a product from concept/requirement to tested, released capability Strong interpersonal skills, communication (oral and written), and presentation skills Team leadership experience Strong understanding of secure system architecture principles. Desired: Relevant certifications such as CISSP, CISM, Security+, CEH, or similar. Experience in cybersecurity engineering, cyber designed/built in vs bolted on Experience in DevSecOps environments. Familiarity with containerization, cloud security, and zero-trust architectures. Experience supporting large-scale enterprise or mission systems. Experience with automated test frameworks and CI/CD pipelines. Experience leading Agile Teams; Product Owner, Scrum Master, or Technical Lead Experience integrating Contractor- or Government-developed software with COTS software/capabilities Knowledgeable of Digital Engineering/Model-based Systems Engineering, experienced applying DE/MBSE in Agile environment Experience/certification in Scaled Agile Framework (SAFe) Knowledge and experience in Agile Development and collaboration tools (Jira/Confluence) Experience working with or in DoD Developmental and Operational Test communities and processes Clearance: Active Top Secret clearance required, with SCI eligibility Location: Onsite in Colorado Springs, Colorado Limited travel The pay range for this position in is $175,000/year to $215,000/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. #MTSI #LI-MW2 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.