Systems Administrator

Modern Technology Solutions; Huntsville (AL); On-site; USD 90,000 - 120,000; Full time

Job summary

Modern Technology Solutions is seeking an IT Systems Administrator in Huntsville, AL, to support the Space-Based Interceptor Program Management Office. You will manage, secure, and optimize DoD IT systems and infrastructure, ensuring reliability, performance, and cybersecurity across multi-domain operations.

Responsibilities include system installation, monitoring, access security, virtualization support, backup planning, and DoD compliance activities (RMF, STIGs, NIST 800-53).

Qualifications

• Experience in mission-critical DoD/A aerospace IT environments.
• Active Secret clearance with the ability to obtain TS/SCI.
• Proficiency in Windows and Linux operating systems.
• Familiarity with RMF, DISA STIGs, and NIST 800-53.
• CompTIA Security+ certification.

Responsibilities

• Install, configure, and maintain OS, hardware, VMs, and network devices.
• Monitor system performance and uptime; resolve issues with cross-functional teams.
• Implement access controls and security measures; support patching and remediation.

Skills

Windows

Linux

Networking

RMF

STIGs

Education

Bachelor's degree

Tools

VMware

Hyper-V

KVM

Job description

We are seeking a highly skilled IT Systems Administrator to join the Digital Engineering Environment team supporting the Space-Based Interceptor Program Management Office.

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 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.

LI-AT