Network Systems Administrator (CSA-2)

Leidos has a new and exciting opportunity for a Network System Administrator in our Intel Sector.  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary:

Our LOE program provides our customers’ Cryptanalysis & Signals Analysis organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

Seeking an experienced Network System Administrator to join a small team to support a mission critical enclave network, with both physical and virtual network devices.  This position handles all IT duties, to include maintenance, updates, data security, patches, compliance, and backups.  The candidate will install network equipment, maintain network infrastructure, configure devices, set up firewalls, troubleshoot connectivity problems and outages.

*Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus.

Job Responsibilities/Qualifications:

• Mission Focus: Candidate must be able to create/modify accounts, troubleshoot network and client server model, and have proficiency with Linux, Windows, and RedHat

• Technical Proficiency: Demonstrated experience with data management and data transfer, be able to maintain network infrastructure, conduct vulnerability scanning, plus know and understand STE/STN requirements.
• Qualifications: Bachelor's degree plus five (5) years of relevant experience or equivalent.
• Certification requirement: IAT level II (Sec+, CSA+, etc.)
• Security Clearance: Candidates must possess an active TS/SCI with Polygraph to be considered for this role.
• Desirable Skills: Knowledge and/or experience with customer’s analytic tools; Experience with Ansible, Quay, GitLab, VMWare; Knowledge of LatteArt/Biscotti

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

CONMD

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:

June 11, 2026

Pay Range:

Pay Range $73,450.00 - $132,775.00

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.