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Systems Administrator

Modern Technology Solutions, Inc. (MTSI)
Huntsville, AL Full Time
POSTED ON 4/30/2026
AVAILABLE BEFORE 5/29/2026
Position Overview

We are seeking a highly skilled IT Systems Administrator to join the team in Huntsville, Alabama.

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.

Contract Overview

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.

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 15 years’ related experience; Master’s degree preferred.

Required Security Clearance

  • Must have an Active Top-Secret Clearance with SCI Eligibility
  • 5 years’ prior experience for access to Special Access Program Information (SAP), or Controlled Access Program (CAP); must have 1 year in the last 5 years.

Required Skills

  • 15 years of 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.

#Merlin

Salary.com Estimation for Systems Administrator in Huntsville, AL
$81,566 to $103,496
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