Systems Network Administrator I​/Service Desk Support Security Clearance

Position: Systems Network Administrator I/Service Desk Support with Security Clearance
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- Description Systems Network Administrator (TS/SCI w/ Poly) Leidos – National Security Sector | Cyber & Analytics Business Area (CABA) Make a Difference in National Security Leidos has an exciting opportunity for a Systems Network Administrator to join our National Security Sector’s Cyber & Analytics Business Area (CABA). Our team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics—delivering solutions that directly support critical national security missions.

If you’re looking for meaningful work, a collaborative team environment, and opportunities to grow your technical skills, this is the role for you. Why Join Leidos? We believe in supporting our employees both professionally and personally. That’s why we offer:
* 401(k) with 6% company match + immediate vesting

* Generous PTO + 11 paid holidays

* Flexible work schedules

* Paid parental leave

* Technical upskilling, training, and education support

* Employee stock purchase plan

* And much more What You’ll Do In this role, you’ll be a key part of a small, high-performing team supporting enterprise IT systems and end users. You’ll:
* Support the implementation, troubleshooting, and maintenance of IT systems

* Manage and monitor client/server, storage, and network environments

* Provide Tier 1 (Help Desk) and Tier 2 (escalation) support

* Troubleshoot system issues and apply patches, updates, and configuration changes

* Manage user accounts, password resets, VPN access, and PKI-related tasks

* Configure and maintain Windows, Linux, and UNIX systems

* Support virtualized and storage environments

* Document processes, SOPs, and troubleshooting procedures

* Contribute to reports and technical deliverables

* Use ticketing systems and internal tools to track and resolve issues
You’ll also provide hands-on support to users both at headquarters and across the enterprise—delivering excellent customer service while managing multiple priorities. Work Environment
* On-site support:
Monday–Friday, 8:00 AM – 4:00 PM

* Small team environment (