Showing page 3 of 207 (Total listings: 4123)

Linux Systems Administrator with Security Clearance

CGI ✓ Verified
Direct Apply
State Farm, Arlington County
Jul 22, 2026

Position Description: CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements and leveraging your knowledge on a highly collaborative team to deliver state-of-the-art capabilities. The Linux Systems Administrator manages and maintains an organization's Linux-based servers and infrastructure, ensu…

Linux System Administrator with Security Clearance

Leidos ✓ Verified
Direct Apply
Madison, Madison County
Jul 16, 2026

R-00186925 Description Are you interested in advancing your career in IT System Administration? Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become a part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Securi…

Linux System Administrator with Security Clearance

Leidos ✓ Verified
Direct Apply
Madison, Madison County
Jul 9, 2026

R-00187006 Description Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become a part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Security Technical Implementation Guides (STIGs) to maintain regulatory complia…

Linux Systems Administrator with Security Clearance

Shield Consulting Solutions ✓ Verified
Direct Apply
Laurel, Prince George's County
Jul 16, 2026

Active TS/SCI w/Polygraph REQUIRED Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: * Security Cert * 15 years of experience as a System Administrator * Bachelor's degree in a technical discipline * 5 additional years of experience as a System Administrator may be substituted for a degree Job Description: * Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system…

Linux Systems Administrator with Security Clearance

Fuse Engineering LLC ✓ Verified
Direct Apply
Cedar Pass, Utah County
Jun 25, 2026

Roles & Responsibilities: Professionals in this mid-level role manage essential infrastructure services, ensuring high availability and performance of data center services, physical and virtual server-class systems and storage. They are expected to lead medium-to-large scale projects, design and implement system policies, conduct advance troubleshooting, and are pivotal in the direct recovery efforts during critical system failures. They also mentor Tier I/II staff members. Professionals in thi…

Linux System Administrator

CACI International ✓ Verified
Direct Apply
Oxon Hill, Prince George's County
Jun 10, 2026

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is searching for a Linux System Administrator to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As a Linux System Administrator, you will play a crucial role in ensuring the security and operational resilie…

Linux System Administrator

Teledyne ✓ Verified
Direct Apply
Redstone Arsenal, Madison County
Apr 12, 2026

Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.? We are looking for individuals who thrive on making an impact and …

Linux System Administrator

Leidos ✓ Verified
Direct Apply
Redstone Arsenal, Madison County
Jul 18, 2026

Description Are you interested in advancing your career in IT System Administration? Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become a part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Security Technica…

Linux Systems Administrator

SAIC ✓ Verified
Direct Apply
Pearl City, Honolulu
Jul 15, 2026

Description SAIC is seeking a Linux Systems / Cloud Administrator to serve on a team supporting our customer, the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Center . The systems and cloud administrator will be a part of a close team that is maintaining, enhancing and upgrading a myriad of applications and services, in an enterprise environment. As part of team, you will participate in implementation and maintenance of Cloud and On-Prem IT Infrastructure to support the customer. JOB D…

Linux System Administrator

Leidos ✓ Verified
Direct Apply
Benson, Douglas County
Jun 9, 2026

Description Leidos Corporate Information Security team, within the Digital Modernization sector, currently has an opening for a Linux S ystems Administrator in our Omaha NE office. This position is an exciting opportunity to use your experience providing advanced computing solutions in a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly integrated environment with a focus on security and high performance computing. If you want to work in a diverse environm…

Linux System Administrator & Automation Engineer

Billow LLC ✓ Verified
Direct Apply
Florin, Sacramento County
Jun 12, 2026

Overview We are seeking a highly skilled Linux System Administrator & Automation Engineer to support enterprise operations across on-premises datacenters and hybrid cloud environments. The ideal candidate will have deep expertise in Red Hat Enterprise Linux (RHEL), Ansible automation, security compliance, and DevOps practices. This role involves system administration, security hardening, infrastructure automation, and cross-team collaboration to ensure reliable, secure, and scalable IT services…

Senior Linux Systems Administrator / HPC

Motion Recruitment Partners, LLC ✓ Verified
Direct Apply
Schiller Park, Cook County
Jul 6, 2026

A leading institution in Chicago is hiring a Systems Administrator to support advanced computing systems within a fast-growing data science environment. This role focuses on Linux infrastructure, high performance computing clusters, and modern automation tools such as Ansible, Docker, and distributed storage technologies. This is a unique opportunity to work in a highly technical environment supporting cutting edge research in artificial intelligence and large-scale data processing. The team is…

Linux Systems Administrator with Security Clearance

Ascension Federal Services Inc ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
May 25, 2026

Linux Systems Administrator Location: Fort Meade, MD, 20755 CLEARANCE: TS/SCI W/FULL SCOPE POLY (WILL SPONSOR FSP FOR CANDIDATES THAT HAVE TS OR ABOVE) Job Description: We are seeking a talented Linux Systems Administrator to join our team at Fort Meade, MD. The ideal candidate will be responsible for the installation, configuration, and maintenance of Linux operating systems and related software. This individual will also be responsible for troubleshooting system issues and ensuring the securi…

Linux Systems Administrator with Security Clearance

UICGS and Bowhead Family of Companies ✓ Verified
Direct Apply
Dahlgren, King George County
Jul 16, 2026

Overview LINUX SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Linux Systems Administrator to join our team in Dahlgren, VA. The Linux Systems Administrator is responsible for system administration in a Research, Development, and Testing and Evaluation (RDT&E) environment. Responsibilities As the Linux Administrator, you will be responsible for: * Providing technical problem solving and in-depth consulting for Linux system operations. * Knowledge of working with multiple intercommunicating devices…

Linux System Administrator with Security Clearance

NewGen Technologies ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Jul 1, 2026

Linux System Administrator * Fort Meade, MD We are seeking a skilled and detail-oriented Linux System Administrator to join our Partner’s IT infrastructure team. The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package…

Linux Systems Administrator with Security Clearance

Aquila Technology ✓ Verified
Direct Apply
Lexington, Middlesex County
May 29, 2026

Linux Systems Administrator Location: This position is ONSITE. MUST live within 100 miles of Lexington, MA. Clearance Level: Must be able to obtain an Interim/Active Secret Clearance- Must Be US Citizen to apply At Aquila Technology, you will see our team’s passion every day, whether we are building a robust, policy-compliant IT system or stress-testing a system to identify gaps and security vulnerabilities. To own the advantage, we ensure our team owns results and gets the work done right the …

Linux System Administrator with Security Clearance

MANTECH ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
May 25, 2026

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD. Responsibilities include but are not limited to: * Creating and managing virtual environments * Systems administration of hardware and software in support of maintenance, developing and testing of information technology systems * Administration of Linux (i.e., Redhat/Rocky 8) * Scripting with Basic Shell (Bash), PUTTY * Configuring and maintaining storage and f…

Linux System Administrator with Security Clearance

MANTECH ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Jul 7, 2026

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to: * Creates and manages virtual environments * Configures and maintains storage and file systems * Develops and delivers briefings, technical presentations, and program documentation to senior program management Minimum Qualifications: * 3 years technical work experience * Experience using Ansible…

Linux Systems Administrator with Security Clearance

MANTECH ✓ Verified
Direct Apply
Crane, Martin County
Jul 23, 2026

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week. Responsibilities include but are not limited to: * Provide support for the virtualization of Linux based virtual machines. * Patch and STIG Linux Operating to ensure compliance with DoD Information Assurance standards. * Provide troubleshooting support for Linux/Windows Operating Systems. * Perform system upd…

Linux System Administrator with Security Clearance

CACI ✓ Verified
Direct Apply
Pinecraft, Sarasota County
May 25, 2026

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI has an immediate opening for a Linux Systems Administrator, with a Top Secret Clearance (TS/SCI) with polygraph for our corporate development/test network and fielded systems. CACI is seeking a development Systems Adminis…

We use cookies to optimize search configurations and track AdSense performance. Accept cookie consent to proceed. Privacy Policy