System Administrator - ONI
Job in
Washington, District of Columbia, 20022, USA
Listed on 2026-09-11
Listing for:
TENAX Technologies
Full Time
position Listed on 2026-09-11
Job specializations:
-
IT/Tech
Systems Administrator, Cybersecurity, Windows Server, Unix/Linux
Job Description & How to Apply Below
About the Role
TENAX Technologies is seeking a Systems Administrator to support mission-critical Navy programs in the Washington, DC area. The selected candidate will administer, maintain, and secure enterprise infrastructure across on-premises, hybrid, and AWS cloud environments. This position supports critical systems and applications that enable Department of Defense (DoD) and Intelligence Community (IC) missions.
Responsibilities- Administer and maintain Windows, Linux, and UNIX-based servers and enterprise systems.
- Manage AWS cloud infrastructure, services, networking, and security.
- Monitor system performance, perform troubleshooting, and resolve server, storage, network, and application issues.
- Implement security patches, system hardening, and DISA STIG compliance.
- Support system modernization, migrations, upgrades, and cloud initiatives.
- Ensure system availability, integrity, confidentiality, and compliance with cybersecurity requirements.
- Maintain technical documentation and support operational and maintenance activities.
- U.S. Citizen.
- Active Top Secret (TS) clearance with eligibility for TS/SCI.
- Current DoD 8570/8140 IAT Level II or IAT Level III certification (Security+, CySA+, SSCP, CND, GSEC, CISSP, CASP+/SecurityX, GCIH, or equivalent).
- Minimum 3 years of experience administering enterprise systems and networks.
- Experience supporting Linux (RHEL, Ubuntu, or similar) and Windows environments.
- Experience administering and supporting AWS cloud environments.
- Experience with system monitoring, patch management, configuration management, and performance tuning.
- Experience implementing DISA STIGs and cybersecurity compliance requirements.
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(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).
(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).
Search for further Jobs Here:
×