Classified Area System Administrator

Leidos Corporate Information Security team, reporting through the Digital Modernization sector, is seeking an early career System Administrator to join our team. In this role, you'll play a key part in contributing to hardware and software implementation and overall infrastructure support within a classified environment. You will be responsible for ensuring compliance with information assurance requirements, and guaranteeing continuity of operations.

We value a positive attitude, motivation to learn, collaborative nature, the ability to adapt to changing priorities, and a commitment to getting the job done. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities, resourceful, and able to cope with shifting demands.

All work is to be performed onsite in our Huntsville, AL office.

You must currently hold an active Secret clearance to qualify for consideration. You must also be eligible to obtain Top Secret clearance upon hire.

• Set up and maintain Windows servers, desktops, and network devices; some Linux experience is highly preferred
• Embrace new technologies to meet evolving requirements.
• Contribute to hardware/software implementation, and overall infrastructure 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 servers and workstations.

• Bachelor's Degree and a minimum of two years of System Administrator experience.
• Current Secret clearance with ability to obtain a Top‑Secret clearance.
• DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)
• Experience managing multiple air‑gapped laboratory based systems within a dynamic, demanding environment.
• Familiarity with Risk Management Framework environments and requirements for Windows and Linux systems.
• Experience with desktop and server virtualization within Hyper‑V, VMWare vSphere and ESXI.
• Strong written and verbal communication skills in support of providing the highest level of customer service.
• Ability to interface effectively with security agencies, customers, and management.

• Previous experience in a classified Collateral environment / SAP / SCI.
• System Administrator experience in a similarly sized organization.
• Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools.
• Knowledge of securely configuring network equipment (switches and firewalls).

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.