Junior Linux System Administrator (Recruiting for Axellio) Axellio ( www.Axellio.com ), headquartered in Colorado Springs, Colorado, is an innovator in advanced high-speed streaming data capture, storage, and distribution, high-performance networking, RF technologies, and innovative cyber solutions. We design and deliver cutting-edge platforms that enable customers to process, retain, distribute, analyze, and move massive amounts of data at the edge—where speed, reliability, and performance mat…

Title - Sr. Systems Engineer - Linux Location - San Diego, CA Mode of work : Onsite We are seeking an experienced Senior Systems Engineer to join our team. You will be responsible for managing and automating enterprise Linux/Unix platforms across VMware-based on-prem and hybrid environments. Ensures high availability, security compliance, and operational stability of mission-critical banking applications. You will also act as an L2/L3 System Engineer resource, working across IT Infrastructure t…

Senior HPC Systems Administrator. The experienced and successful candidate shall work on independent tasks such as installation, upgrades, and troubleshooting within a team administering High-Performance Computing (HPC) systems. Administer Linux operating systems, including RHEL, Debian, CentOS, and Fedora. Develop and utilize scripting skills (e.g., shell, Python, Perl) for system administration tasks. Participate in all aspects of the HPC system lifecycle, including facility integration, stan…

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 file system…

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments. Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments. Configure and maintain host-based security and intrusion detection …

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include but are not limited to: Configure a…

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments. Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments. Configure and maintain host-based security and intrusion detection …

Sr Linux Systems Administrator - W2 only - No C2C Contract Length: 21 weeks with possible extension Location: Owings Mills, MD Work Setup: Hybrid Tuesday, Wednesday, Thursday onsite Join a large enterprise environment supporting critical infrastructure and high-availability systems. The Sr Linux Systems Administrator will guide NFS storage migrations for Unit Systems EPS Stabilization while supporting Linux, VMware, cloud, and server infrastructure. Sr Linux Systems Administrator Responsibiliti…

RedLine Performance Solutions (RedLine) has been in the High Performance Computing (HPC) solutions engineering services business for over 26 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. RedLine provides IT infrastructure management and technical support services to some of the world's largest supercomputing sites. The Linux System Administrat…

Job ID: 2617678 Location: Pearl City, HI, US Date Posted: 2026-10-07 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Red Hat Linux Systems Administrator located at the K. Mark Takai Pacific Warfighting Center on Ford Island in Hawaii to support USPACOM J76 to build, …

Marathon TS is seeking an experienced Systems Administrator to join a dynamic team. Description: We are seeking a highly experienced and hands-on candidate to support research, development, and defense systems software, hardware, and network integration laboratory. This role is critical to enabling engineers and developers to design, build, integrate, and research complex mission systems in both standalone, on-premises, and cloud-based environments. The ideal candidate brings deep technical exp…

Position Title: Linux Systems Administrator Client: Defense Information Systems Agency (DISA) Employment Type: Full-Time Work Schedule: Hybrid (1–2 days onsite per week) Security Clearance: Active DoD Secret Clearance Required Locations: Oklahoma City, Oklahoma Mechanicsburg Ogden, Utah Montgomery, Alabama Position Overview We are seeking an experienced Linux Systems Administrator to support mission-critical infrastructure and enterprise services for DISA. The ideal candidate will have a strong…

Description We are seeking a talented Senior Linux Systems Administrator, who will be responsible for the servers that process data from a global network of buoys, managed by the National Data Buoy Center (NDBC). This position is located at the NDBC facility at the Stennis Space Center in Mississippi. While some telework is authorized, regular in-office presence is required, including the ability to come into the office in the event of an issue requiring hands-on resolution. Responsibilities an…

Linux System Administrator - Immediate Placement This is a very urgent requirement with immediate placement, please apply for immediate consideration. No Corp to Corp candidates - only W2 or 1099 candidates. Job Title:: Linux System Administrator Location:: Staunton, Virginia Interview:: In-person OR phone OR web Duration:: Long Term Required Skills:: Linux(REDHAT), Windows Operating Systems Servers, Desktop/Laptop/Server Hardware, Active Directory Administration, Virtualization/VMWare and Back…

Translucent Services LLC was formed by a team of High Performance Computing and Data Storage Engineers trained in special U.S. Government spaces. Translucent’s wide-ranging experience with some of the world’s largest enterprise IT systems allows our engineering team to provide superior IT services for our customers. We are well known and respected for our enterprise storage, cloud storage, backup, computing, and security skillsets. THE POSITION: HPC Linux Systems Administrator, Stennis Space Ce…

Top Skills' Details 1) Advanced Linux systems administration and troubleshooting 2) Networking and server infrastructure management 3) Security hardening and compliance in mission-critical environments Must be able to go through Public Trust clearance process. Candidates must be a US Citizen or possess a Green Card (no Work Visa allowed) and must pass a Dept of Commerce Background Check/POT Clearance plus be able to obtain a Common Access Card for use with the NDBC Computer and access to the ND…

Linux System Administrator Annapolis Junction Apply Adventure Technology Services is a small IT contractor headquartered in Hanover, MD that provides high-level solutions to Federal Government customers and are always looking for high-quality professionals to join our team. We provide competitive benefits and compensation packages including 8% 401(k) match, 160hrs PTO, tuition assistance, and professional development/career road-mapping. https://www.adventuretech.us/career-opportunities Positio…

Linux System Administrator (Mid–Senior) — Onsite, Full Scope Clearance Required Location: Herndon, VA — 100% Onsite Employment Type: Full-time Overview We are seeking a mid–senior level Linux System Administrator with strong AWS Dev/Sec/Ops experience to join an operational engineering team supporting mission-critical systems. The position is fully onsite at a cleared facility and requires a current Full Scope security clearance. The ideal candidate brings hands-on Linux administration skills, …

SYSTEM ADMINISTRATOR Zeta Associates is actively looking for Linux System Administrators to join their team of highly skilled SA’s responsible for the development, installation and maintenance of large Linux based enterprise computer systems. The ideal candidate would have experience standing up and maintaining traditional bare metal as well as Cloud environments. Desired Skills or willingness to learn · K8s Deployment and administration · GitLab deployment and administration · Harbor deploymen…

Position Overview Provide administration, support, and operational excellence for Red Hat Enterprise Linux (RHEL) systems within a secure, mission-critical environment. Assist in integrating and managing hybrid infrastructure leveraging AWS cloud services. Key Responsibilities Install, configure, patch, and maintain Red Hat Enterprise Linux (RHEL) systems in both virtualized and physical environments Manage AWS components such as EC2, ELB, Auto Scaling, and other relevant services. Automate sys…