System Administrator

Leidos is seeking a Systems Administrator in support of NASA’s National Security Systems team. This role is responsible for providing customer support, account management, workstation and VDI troubleshooting, printer and VOIP support, and general systems administration support on classified and enterprise environments. Additional responsibilities include supporting daily operations, responding to customer issues, escalating complex technical problems when necessary, and assisting senior administrators and engineers with maintaining secure and reliable IT services.

This position requires the ability to work independently with general direction and as a team member under the direction of the organizational team lead. Join us at AEGIS where the sky is NOT the limit!

Primary Responsibilities

• Provide Tier 1 and Tier 2 customer support for desktops, laptops, VMware Horizon VDI, printers, VOIP systems, and enterprise applications.

• Create and manage user accounts, groups, permissions, file shares, and access requests using ADUC and related tools.

• Analyze, troubleshoot, and resolve hardware, software, account, and connectivity issues; escalate advanced issues as required.

• Perform workstation deployment, software installation, patching, and peripheral support activities.

• Utilize ticketing systems to open, update, track, and close incidents and service requests in a timely manner.

• Communicate with users through phone, email, messaging, and video teleconferencing to provide support and status updates.

• Perform daily system health checks and report abnormalities or outages to system administrators and team leaders.

• Follow established SOPs, technical documentation, security requirements, and change management processes.

• Assist system administrators and engineers with maintenance and troubleshooting of enterprise infrastructure and virtualization platforms.

• Support secure operations by following cybersecurity guidance, STIG requirements, and organizational policies.

Basic Qualifications

BS Degree and 2+ years or additional experience may be substituted in lieu of degree

Candidates should have command of the following skillsets:

• Ticketing systems and incident/service request tracking

• VMware Horizon, VMware VDI environments, and general desktop support concepts

• Active Directory Users and Computers (ADUC), Group Policy familiarity, DNS, DHCP, and file share access management

• Windows 10 and Windows 11 administration and troubleshooting

• Printer troubleshooting and management in enterprise environments

• Microsoft Office applications and Outlook support

• Account provisioning, password resets, MFA support, and customer service operations

• Security Technical Implementation Guides (STIGs) and general cybersecurity awareness

• VOIP and unified communications support

Clearance:

Must have an active Secret Clearance

Preferred Qualifications

Ideal candidates possess a deep understanding of the following areas:

• Windows and Linux operating systems and networking fundamentals

• Knowledge of VMware administration and virtualization concepts

• Knowledge of Cisco Unified Communications

• Knowledge of enterprise security tools such as Trellix/HBSS

• Knowledge of Splunk, Solarwinds, or enterprise monitoring platforms

• Experience supporting classified or regulated environments

• Basic scripting or automation familiarity using PowerShell or Python

TS/SCI Clearance preferred

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:

May 21, 2026

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.