ClearanceJobs is seeking an experienced System Administrator to support a mission-critical customer in Fort Meade, MD. This role supports large-scale Linux/Unix environments and modern containerized infrastructure in a high-security setting. The System Administrator will be responsible for administering and supporting enterprise Linux/Unix systems, deploying and maintaining large software environments, and troubleshooting complex system issues. Responsibilities include Tier 3 problem identifica…

Posted 01/30/2026

We are seeking an experienced Linux System Administrator to implement and manage a centralized Cloud System Management system. This role requires a self-starter who can operate as the program's Linux expert within a small team with minimal supervision. Normal activities for this role include: Configure ACAS; evaluating and understanding STIG; perform ACAS scans and perform compliance assessment against STIG; configure and manage ePolicy Orchestrator for Data Loss Prevention and Antivirus. Confi…

Posted 01/06/2026

Marathon TS Microsoft SQL Server Administrator Onsite at the ICCB in Bethesda, MD TS/SCI (CI POLY SPONSORSHIP) Marathon TS is seeking a skilled Microsoft SQL Server Administrator to join our team supporting the National Media Exploitation Center (NMEC). In this role, you will manage and optimize enterprise databases, ensuring system reliability, security, and peak performance. You will also support database lifecycle activities, implement performance enhancements, and collaborate in an Agile en…

Posted 02/01/2026

We are hiring a Senior SQL Server Database Administrator (DBA) to strengthen and expand our enterprise database operations. The successful candidate will be expected to work independently, take responsibility for database reliability, and support the upgrade of our production environment from SQL Server 2019 to SQL Server 2022. Responsibilities Install, configure, and maintain SQL Server Database Engine, Reporting Services (SSRS), and Integration Services (SSIS). Develop and manage automated ba…

Posted 12/08/2025

Worker Type Regular Job Description Job Summary: The Senior Linux Systems Administrator is responsible for oversight, maintenance, and day-to-day administration of comprehensive computer networks, including all hardware, software, and integrated systems. You will serve as a technical lead, diagnosing complex system failures, replacing defective components, and providing Tier 1-3 support. Your primary mission is to ensure maximum network effectiveness and uptime for the entire orgranization thro…

Posted 01/21/2026

Title: Storage Administrator Location: Dahlgren, Virginia (ON-SITE) Clearance Required: Top Secret Certification Required: Security or IAT Level 2 Top Skills Required: •NAS/SAN experience with NetApp, EMC VNX, Synology and QNAP technologies •Experience with VMWare •Experience with backup software with EMC Networker •Relevant certifications •Experience in building high-availability solutions •Knowledge of IP networking •Relevant experience in a support center •Experience with a variety of differ…

Posted 01/06/2026

Location: Mclean Work Type: Onsite Remote Work: NO Job Description Gridiron IT is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle development and maintenance of physical and virtual servers. The qualified candidate will have demonstrated experience with multiple cloud platforms, automation technologies, and with Linux system administration. The successful candidate will ensure the smooth operation of existing enterprise systems…

Posted 12/08/2025

Description Provides support for implementation, troubleshooting and maintenance of 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 1 (Help Desk) and Tier 2 and Tier 3(Escalation) problem identification, diagnosis and resolution of problems. Prov…

Posted 01/07/2026

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime and sub-contractor on mission-focused IT programs. Our employees are integral players in support of mission-critical programs focused on our National Security. Role Description: * Must have experience installing, updating, and upgrading Windows Des…

Posted 12/09/2025

Responsibilities and Duties: •Design and implement database architectures that support business requirements and achieve high performance, availability, and security. •Oversee the installation, configuration, and maintenance of PostgreSQL databases. •Conduct performance tuning of database systems, including queries, stored procedures, and indexing strategies. •Develop and implement database backup, recovery, and failover procedures. •Assist in the design and development of data models and datab…

Posted 01/05/2026