New

Senior Information System Security Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Colorado, Colorado Springs
Nov 09, 2026
Modern Technology Solutions, Inc. (MTSI) is searching for a Senior Information System Security Engineer (ISSE) to be a Defensive Cyber Operations-Space (DCO-S) Product Manager to support the United States Space Force's (USSF) Space Systems Command (SSC) by engaging with defensive cyberspace operations stakeholders to determine requirements and architectural roadmaps to shape design, development, test, and deployment of defensive cyber capabilities across the USSF.A successful candidate should have a deep understanding of defensive cyber technologies and policy, the relevant stakeholders and their equities, and be a leader and problem solver with a proven ability to deliver superior results as part of a high performing team in a fast-paced environment. Your essential job functions will include but may not be limited to: In coordination with relevant stakeholders, establish and prioritize requirements for rapid development and fielding of leading defensive cyber capabilities. Associated functions include leading or contributing to studies and analysis to select best existing (COTS) capabilities, or low TRL/prototype capabilities (commercial or governmental) that may be rapidly matured and deployed as operationally accepted capabilities. Coordinate with model-based systems engineers, cloud architects, and configuration management to establish DoDAF compliant technical baseline and architecture authoritative source of truth. Understand and stay current on threats and adversary TTPs (e.g. ATT&CK) to inform requirements. Work with software development and integration Scrum Masters and product owners to promote rapid, efficient development, test, and deployment of secure capabilities (DevSecOps).Additionally, will support technology acquisition through Industry Front door operations and Vendor engagement, stakeholder management, and tech assessment and evaluation reporting. Roles and Responsibilities: Program/product planning, execution, and overall program management. Integrated schedule development and milestone tracking. (I do this with product roadmaps). Executive-level briefing development and leadership engagement. Test, integration, transition, and fielding coordination. Governance activities, decision tracking, and program reporting. Requirements traceability from operational need through development, test, and operational acceptance. Qualifications: Education/Certification Minimum Requirements: Bachelor's degree in computer science, software engineering, data science, cybersecurity, or STEM related specialty and 18+ years' related professional experience; or Master's degree in these fields with minimum of 10+ years' experience Must have DoD 8140 Qualification Advanced level Must have experience working with or in key USSF defensive cyber stakeholders: primary examples are applicable cyber Space Operations Command staff, mission deltas, or Mission Delta 6, including the Cybersecurity Service Provider (CSSP) and the Security Ops Center (SOC) Must possess technical understanding of current USSF defensive cyber capabilities, requirements (e.g. Capability Needs Statement), requirements processes Desired skills/experience: Knowledge of current DCO-S certifications Cyber Certifications: CSSP, CISM, GIAC, etc. Additional experience with Space Systems Command, Space Rapid Capabilities Office, Space Development Agency, Missile Defense Agency, NRO, and any organization/community engaged in deploying Space systems requiring defensive cyber tools Familiarity with model-based systems engineering and cloud services and architectures Prior military experience with skills applicable to cyber operations Clearance: Must possess a Top Secret with SCI eligibility. SAR/SAP experience highly desirable Location/Travel Requirements: Place of work is onsite in Colorado Springs. You may be required to travel periodically, less than 10%. The pay range for this position in Colorado is $160,000/year to $200,000/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-MW2 #MTSI 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.