System Administrator

Join a team committed to a mission! At Leidos , we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? The Defense Sector, Decision Advantage Business Area at Leidos is seeking an early career system administrator to join our team. Are you a tech enthusiast with a passion for ensuring the seamless operation of classified environments? We're not just looking for technical expertise; we value a positive attitude, adaptability to changing priorities, and a commitment to getting the job done. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills. Whether working independently or collaboratively, you're self-managed and customer focused. This position is located at Warner Robins, GA. In this role, you'll play a key part in designing, maintaining, and enhancing our architecture, ensuring compliance with information assurance requirements, and guaranteeing continuity of operations. Grow your career with us. At Leidos, we recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise. We view career development as a partnership between employees, managers, and the company with a focus on building skills and experiences through internal mobility. To support career development, we offer a variety of resources in addition to training and educational opportunities within an inclusive environment.

Primary Responsibilities:

Set up and maintain Windows servers, desktops, bonus points for Linux experience. Embrace new technologies to meet evolving requirements. Contribute to system design, hardware/software implementation, and overall system support. Document system configurations and baselines. Provide backup and recovery services while managing file systems and disk space. Utilize desktop and server virtualization within Hyper-V, VMWare vSphere and ESXI. Handle ticket load and prioritization of daily on-site support and troubleshooting. Work on multiple projects, either as a team member or occasionally leading a project. Manage user accounts and access control in a domain or stand-alone environment. Ensure the proper marking, handling, and storage of classified materials. Troubleshoot and repair Windows operating system issues on server and workstations.

Basic Qualifications:

Bachelor's Degree and a minimum of two 2 years of System Administrator experience. Current DoD Secret security clearance with ability to obtain a Top-Secret/SCI security clearance. DoD Directive 8570/8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP). Familiarity with Risk Management Framework requirements for Windows and Linux systems. Strong written and verbal communication skills. Ability to interface effectively with security agencies, customers, and management. Manage multiple networks in a dynamic, demanding environment.

Preferred Quals:

Previous experience in a classified collateral environment / SCI. System Administrator experience in a similarly sized organization. Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 27, 2026 For U.S.

Positions:

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $59,150.00 - $106,925.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.