Network Administrator

Join a team committed to a mission!

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Are you ready for your next career challenge?

The Defense Sector, Decision Advantage Business Area at Leidos is seeking an early career network administrator to join our team. In this role, you'll play a key part in designing, maintaining, and enhancing our architecture, ensuring compliance with information assurance requirements, and guaranteeing continuity of operations. Grow your career with us. At Leidos, we recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise. We view career development as a partnership between employees, managers, and the company with a focus on building skills and experiences through internal mobility. To support career development, we offer a variety of resources in addition to training and educational opportunities within an inclusive environment

Primary Responsibilities:

• Provide comprehensive network engineering support, including planning, design, maintenance, and operational oversight.
• Evaluate network and LAN components, recommending new technologies to enhance capabilities.
• Support daily on-site Government personnel and DOD classified.
• Maintain knowledge of enhanced tactical capabilities and contribute to CUG lifecycle development.
• Conduct periodic security testing, assist with accreditation/certification documentation, and implement system upgrades.
• Perform LAN maintenance, switch configuration updates, and ensure all changes align with baseline standards.
• Develop solutions to complex technical problems and communicate practices/procedures across Government agencies and contractor teams.
• Perform Information Assurance and Certification of critical systems, advising customers during policy reviews to ensure compliance with security requirements.

Basic Qualifications:

• Bachelor's degree with 2 or more years of relevant experience, or Master's degree with less than 2 years of experience. Additional years of experience may substitute for a degree.
• Hands-on experience administering multiple small, complex network environments.
• Active Security+, or equivalent certification.
• Active DoD Secret security clearance with the ability to obtain TS/SCI security clearance.

Preferred Quals:

• Previous experience in a classified collateral environment / SCI.
• Network Administrator experience in a similarly sized organization.
• Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools.

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 23, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.