Senior Systems Administrator (NDA-3) job opportunity at Leidos.

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Leidos Senior Systems Administrator (NDA-3)
Experience: General
Pattern: full-time
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degreeAssociate
loacation 3325 Fort George G. Meade MD, United States Of America
loacation 3325 Fort Geor..........United States Of America

Leidos has a new and exciting opportunity for a 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 customer's Operations 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!” ​ We are seeking a highly motivated System Administrator with proven experience in installing, configuring, developing, and integrating prototype applications for technical evaluation.   The engineer will be supporting a lab environment providing support for customers developing and testing experiments. Your Main Objective: Actively manage enterprise computer systems and networks, analyzing technical issues, and developing and implementing corrective actions. Observe and interpret visual outputs indicating the operating status of systems and network components for designated computer network infrastructure. Translate user requests into technical diagnoses, then apply diagnoses to develop technical solutions to meet user needs. Develop strategies to migrate existing customers to new architecture/technology with minimal impact. Evaluate new technologies or equipment that can be added to Agency standard solutions. Ability to maintain a proper security posture for systems by addressing relevant STIGs and IAVAs consistent with the NIST RMF. What Sets You Apart: Bachelor's degree plus eight (8) years of relevant experience, or master’s degree plus six (6) years of relevant experience or an associate’s degree plus ten (10) years of relevant experience or high school diploma/GED plus 12-years of relevant experience may be considered. Degree must be in Computer Science, Systems Engineering, Information Technology or related field. Able to obtain an IAT-I certification, such as: Security+ CE Windows Systems Administration including installing, configuring, and maintaining bare metal servers and virtual machines to meet all customer security requirements. Responsible for secure infrastructure and vulnerability corrections, data security, compliance, and backups and recovery. Maintain SSPs, STE/STN requirements via RMF, Netseer, SEAR logging, patching, IAVMs, McAfee, and UAM Security Clearance Requirement: Candidates must possess an active TS/SCI clearance with polygraph to be considered for this role. Desirable Skills: Experience with Linux Systems Administration Experience deploying and maintaining nginx Familiarity with Docker and RedHat Satellite   Familiarity with cloud computing environments like AWS Experience with Infrastructure as Code (IaC) products like Terraform, SALT and Ansible as well as system monitoring platforms like Prometheus and Grafana Experience with SELinux and FIPS​ 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: February 25, 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 $92,300.00 - $166,850.00 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.

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