System Administrator III
Listed on 2026-08-12
-
IT/Tech
Systems Administrator, Systems Engineer, Cybersecurity, Information Security & Data Protection
Responsibilities
As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers. You will support the multi-enclave environment (Unclassified, Secret, and Top Secret/SCI) that enables users to collaboratively perform their work using a variety of tools and applications.
Job Responsibilities- Install, configure, andmaintainoperating system workstations and servers.
- Perform software installations and upgrades to operating systems and layered software packages.
- Schedule installations and upgradesin accordance with established IT policies and procedures.
- Monitor and tune systems to achieveoptimumperformance levels.
- Ensure workstation/server data integrity by implementingappropriate software and hardware solutions.
- Ensure data/media recoverability through system backups and database archive operations.
- Develop and promote standard operating procedures.
- Conduct routine hardware and software audits to ensure compliance with standards and configurations.
- Develop andmaintaincomprehensive operating system hardware and software configuration databases.
- Supportanalytical toolinfrastructure.
- Participate in Program Increments (PIs) and Agile Release Train (ART) activities.
- Respond to and resolve critical incidents within designated resolution timelines.
- Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph.
- US Citizenship is required.
- Experience with virtualization technologies.
- Understanding of security requirements in government environment.
- Bachelor's degree or master's degree with 8 years of experience of experience OR Associate degree with 11 years of experience OR High School/Diploma with 14 years of experience.
- Minimum of 8 years of experience in systems administration.
- Proficiency level with:
- Complex multi-enclave environments
- Advanced system security hardening
- High-availability system configurations
- Disaster recovery planning and implementation
- Advanced troubleshooting and problem resolution
- System automation and orchestration
- Performance optimization techniques
- Capacity planning and resource management
- Active TS/SCI with CI Polygraph
- Experience with:
- Cloud platforms (AWS Gov Cloud, SC2S, C2S)
- Containerization (Docker, Kubernetes)
- Configuration management tools
- LDAP/OpenLDAP, ADFS, Keycloak
- Elasticsearch, Splunk, and other data platforms
- Dev Sec Ops practices and tools
- SAFe Agile methodologies
Noblis and our wholly owned subsidiaries, Noblis ESI and Noblis MSD, take on some of the nation’s toughest challenges, delivering advanced solutions to our customers’ most critical missions. We bring together leading scientific, engineering, and management expertise in a culture grounded in objectivity and collaboration, ensuring our work creates lasting impact across federal missions.
We work with a broad range of government agencies in the defense, intelligence, and federal civilian sectors. Learn more and find opportunities lis.org ((Use the "Apply for this Job" box below).)
Why Work at NoblisAt Noblis, we share a passion for excellence and innovation, and we create an environment where people can do meaningful work while maintaining the balance that keeps them energized and fulfilled. We seek out individuals with a natural curiosity and desire to collaborate and learn. We believe our people are our greatest strength, and we consistently seek exceptionally skilled, mission-driven professionals who care deeply about doing work that enriches lives and makes our nation safer.
Noblis has earned numerous workplace awards () for our culture, our commitment to employee well-being, and our dedication to meaningful, impactful work. We also maintain a drug-free workplace.
Remote/hybrid status is subject to change based on Noblis and/or government requirements.
Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).