Systems Administrator Security Clearance

Position: Systems Administrator with Security Clearance
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- Description Leidos is seeking a Systems Administrator to join our Infrastructure and Lab Engineering team supporting our Transportation Solutions customers. This role involves maintaining and sustaining software development and test labs, serving as a liaison between engineering teams, and implementing innovative solutions using current and emerging technologies. The position requires reliable on-site presence in our Gaithersburg, MD office, to support the FAA contracts development and test labs, which are comprised of a variety of computing equipment.

Occasional on-call support may be required. Role Focus:
* Hands-on system administration in development and test lab environments

* Performs system administration and hardware technician tasks

* Executes defined operational tasks with growing independence

* Escalates complex or systemic issues appropriately

* Builds technical depth across Linux, virtualization, and lab infrastructure Primary

Duties & Responsibilities:

* Perform day-to-day system administration tasks on Linux systems in development and test lab environments, following established procedures.

* Install, cable, rack, and decommission servers, workstations, and lab hardware.

* Perform hardware diagnostics, component replacement, and console-level troubleshooting for lab systems.

* Monitor system health, logs, and alerts; perform initial triage and escalate issues when they exceed defined scope.

* Provision, configure, and maintain lab servers, workstations, and virtual machines under documented standards.

* Execute system patching, updates, and configuration changes in accordance with change guidance and maintenance windows.

* Perform routine backup verification, restores, and failure remediation with guidance as needed.

* Administer user accounts, permissions, and file systems in accordance with approved access controls and security policies.

* Assist in troubleshooting OS, virtualization, storage, and application-level issues affecting lab environments.

* Coordinate with network and security teams to implement approved connectivity, firewall, and access changes.

* Maintain accurate system documentation, asset records, and lab environment inventories.

* Provide operational support to engineering teams utilizing development and test lab infrastructure.

* Participate in on-call or after-hours support rotations as required for lab availability.

Basic Qualifications:

* Bachelor’s degree in IT, Computer Science, or related field and 2+ years of systems administration experience (or equivalent professional experience in lieu of degree)
* Hands-on experience administering Linux systems (Red Hat–based or Ubuntu).

* Foundational experience with virtualization platforms (VMware preferred).

* Working knowledge of networking fundamentals (TCP/IP, DNS, routing, firewalls).

* Experience with user and access administration (IPA, LDAP, Active Directory, or similar).

* Entry-level experience performing hardware installation, cabling, or troubleshooting.

* Ability to follow established procedures, document work clearly, and operate within controlled environments.

* Demonstrated willingness to learn new technologies, tools, and lab workflows.

Preferred Qualifications:

* Experience supporting development, test, or lab environments.

* Exposure to scripting or automation (Bash, Python, or similar).

* Familiarity with infrastructure monitoring or logging tools.

* Introductory cloud exposure (AWS, Azure, or similar).

* Experience working in data center, lab, or equipment room environments. Security Requirements:
* Must be able to obtain a Public Trust security clearance

* Due to contract requirements, U.S. Citizenship is required.
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 10, 2026 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain…