Leidos has a new and exciting opportunity for a Systems Network Administrator in our National Security Sector's (NSS) 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!
Job Summary:
The Systems Network Administrator provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. The successful candidate will manage the customer’s Microsoft Identity Manager and MS SQL environment by performing the following: Support virtual Windows servers in production and lab, support products and technologies such as: Microsoft Identity Manager portal, sync engine, RDBMS, MS SQL Server Management Studio (SSMS), VisualStudio, tSQL, C#, understand interactions with Active Directory, MS Exchange, and other customer applications, maintain data integrity and data flow and perform troubleshooting, configuration changes, application patches, OS patches as needed. Database experience is needed for this role (MS SQL and MIM).
Job Responsibilities:
- Provide support for implementation, troubleshooting and maintenance of IT systems.
- Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/software/devices, etc.
- Optimize system operations and resource utilization and perform system capacity analysis and planning.
- Provide in-depth experience in trouble-shooting IT systems.
- Configure and manage Linux, UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, et al.
- Build, configure, monitor and maintain virtual environments.
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
Basic Qualifications:
- Ten (10) years' experience as a system administrator in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in technical discipline from an accredited college or university is required. Five (5) years of additional system administrator experience may be substituted for a bachelor's degree.
- Certification required: IAT Level II or higher, such as Microsoft certifications, Red Hat, Sun, VMWare, COMPTIA, etc.
- Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.
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
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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:November 17, 2025For 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.
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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
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