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Leidos is seeking a System Network Administrator to support IT systems across headquarters and enterprise. The role involves monitoring, troubleshooting, and maintaining IT infrastructure, including servers, storage, and networks, with on-site support.
The candidate will provide Tier I and II support, assist users, and contribute to documentation while collaborating with a small team. A technical degree and TS/SCI clearance are required, with multiple certifications encouraged.
Leidos has a new and exciting opportunity for a System Network Administrator in our Intelligence Cyber & Analytics Business Area (CABA). 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!
Provides support for implementation, troubleshooting and maintenance Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier‑I (Help Desk) and Tier 2 (Escalation)- problem identification, diagnosis, and resolution. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages Virtual and storage environments; Linux, UNIX and Windows operating systems; install/loads operating system software, troubleshoots, maintains integrity; and configures virtual, storage and network components along with implementing operating systems enhancements to improve reliability and performance. The System/Network Administrator supports the IT requirements of users in the headquarters building and in the enterprise. Provide exceptional customer service and professionalism in support of Field organization users, while being willing to learn, also be willing to be flexible, and be able to manage multiple priorities. The successful candidate will work within a small less than 10 people supporting the customer’s Service Desk to manage IT systems infrastructure and any process related to these systems.
No demonstrated experience is required. Bachelor’s degree in technical discipline from an accredited college or university is required. Clearance must have TS/SCI with Polygraph. Five years may be substituted for a bachelor’s degree.
Candidate shall currently possess and maintain one of the following certifications:
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.
October 2, 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 $50,700.00 - $91,650.00
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.
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.