Systems Administrator

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Oct 16, 2026
We are seeking a highly skilled IT Systems Administrator to join the Digital Engineering Environment team supporting the Space-Based Interceptor Program Management Office. Note, this role is 100% remote but candidate must reside in Colorado Springs, Colorado. This role is critical to managing, maintaining, and securing IT systems and infrastructure that underpin mission-critical operations for Department of Defense (DoD) requirements. As an IT Systems Administrator, you will ensure the reliability, scalability, performance, and cybersecurity of IT systems while supporting multi-domain operations and open systems architectures. About the Program: SBI serves as the first all-digital program within the U.S. Space Force, leveraging MTSI's expertise to establish a government-owned DEE that accelerates development, ensures interoperability, and secures workflows. This position supports next-generation capabilities across space vehicles, ground systems, and fire control systems elements, driving mission agility, iterative prototyping, and operational alignment. Key Responsibilities: System Installation, Configuration, and Maintenance: Install, configure, and maintain operating systems, hardware, virtual environments, and network devices to meet program needs. Manage servers, workstations, storage, and peripheral systems as part of a high-performance IT infrastructure. System Monitoring and Troubleshooting: Monitor system performance and uptime using diagnostic tools, resolving issues promptly to minimize operational disruptions. Identify, troubleshoot, and resolve technical issues in collaboration with cross-functional teams and external vendors. Access and Security Management: Implement and enforce security measures, including access controls, endpoint protections, and intrusion detection/prevention systems. Perform security compliance tasks such as patch management, vulnerability assessments, and remediation activities in accordance with DoD standards (e.g., RMF, DISA STIGs). Infrastructure Support: Maintain virtualized environments using hypervisor technologies (e.g., VMware, Hyper-V) to support program requirements. Support systems integration efforts, ensuring interoperability across hardware and software architectures. Backup and Disaster Recovery: Develop and maintain backup and recovery procedures to minimize data loss and downtime. Test disaster recovery scenarios and support risk mitigation strategies. Network and Communication Support: Maintain network connectivity, including configuration and troubleshooting of switches, routers, and firewalls. Support secure communication architectures to ensure the availability of critical data services. Documentation and Compliance: Generate and maintain technical documentation, such as system diagrams, SOPs, and user guides, ensuring accuracy and compliance with DoD policies. Ensure systems adhere to DoD authorization standards and cybersecurity frameworks. Collaboration and Consultation: Coordinate with program stakeholders, engineers, and other IT professionals to align system capabilities with mission objectives. Provide technical expertise and recommendations for system improvements and upgrades. Required Qualifications: Education and Experience: Bachelor's degree with 5 years related experience Required Security Clearance: Must possess an active Secret clearance with the ability to obtain and maintain a TS/SCI. U.S. Citizenship required. Required Skills: Experience as a Systems Administrator supporting mission-critical IT environments, preferably within DoD or aerospace programs. Proficiency in administering Windows and Linux-based operating systems. Familiarity with network protocols (TCP/IP, DNS, routing) and network security practices. Experience with virtualization technologies such as VMware, Hyper-V, or KVM. Working knowledge of compliance frameworks such as RMF, DISA STIGs, and NIST 800-53. CompTIA Security+ required. The pay range for this position in Colorado is $100,000/year to $160,000/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-AT 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.