Linux System Administrator / Juniper Network Engineer Annapolis, MD (Onsite) Phone Video Job Description: We are seeking a RHEL Linux Administrator with strong experience in Juniper Layer 3 switches, firewalls, and the Juniper MIST management platform. This is an onsite role supporting a mission-critical environment. The ideal candidate is comfortable handling helpdesk-related escalations, monitoring network and system health, troubleshooting end-to-end issues, and owning problems through reso…

Senior Linux Systems Administrator – High Performance Computing This role supports CNO Capabilities as a mid-senior level Linux Systems Administrator and hands‑on technical contributor responsible for sustaining and evolving a high‑performance operational IT environment. The ideal candidate takes ownership of Linux systems end‑to‑end, builds durable operational processes, and actively improves the day‑to‑day productivity of engineers and mission users. While a portion of the work includes advan…

LINUX SYSTEM ADMINISTRATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking to hire individuals for our Linux System Administrator positions. Candidates should have a preferred minimum of 7 years as a network engineer/system admin. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level. …

Job ID: 2614371 Location: Colorado Springs, CO, US Date Posted: 2026-07-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Linux Systems/Cloud Administrator in Colorado Springs, CO to support the AF TENCAP HOPE 2.0 contract. The AF TENCAP HOPE 2.0 contract bridge…

AMERICAN SYSTEMS , a 100% employee-owned federal government contractor, is seeking a Linux Systems Administrator with Tier 1 & 2 experience to support a classified High-Performance Computing (HPC) environment in Dallas, TX. Are you an experienced Linux administrator with strong command line experience wanting to expand your skillset into HPC environments? If so, this role is for you! You will work alongside senior system administrators and engineers, receiving hands-on exposure to HPC platforms…

High Performance Computing (HPC) Linux System Administrator Top Secret Clearance Vicksburg, MS $98,000 - $140,000 High Performance Computing (HPC) Linux System Administrator needed for a Direct Hire opportunity. Job Description: Provide technology consulting to external customers and internal project teams. Responsible for providing technical support and/or leadership in the creation and delivery of technology solutions designed to meet customers' business needs and, consequently, for understan…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight acros…

Zachary Piper Solutions is seeking a Systems Administrator to support a complex, multi-site IT infrastructure based in El Segundo, CA. This role is centered around Red Hat Linux-based High-Performance Computing (HPC) clusters and includes support for secure lab environments, classified networks, and future integration of embedded Linux systems like VxWorks. Key Responsibilities: - Design and implement secure system architectures using best practices in software and systems engineering - Provide…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight acros…

We are an employee-centric company that truly values our team members and the contributions they make to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and on building teams that are, and continue to be, technically proficient across a broad range of cyber mission areas. OneZero full-time employees receive a highly competitive benefits package, including health, dental, vision, and life insurance, a 401(k) with company matching, paid time off a…

Dexian Government Solutions. is recruiting for a Linux Systems Administrator to support our contract at the USAMRIID in Fort Detrick, MD. Target Salary : $90,000.00 Position Overview: We are seeking a skilled Linux Systems Administrator to support mission-critical infrastructure at USAMRIID. This role requires a hands-on engineer with experience across Linux, virtualization, storage, and HPC environments who can operate independently with minimal ramp-up . Job Duties: Systems Administration & I…

Responsibilities : Stand up, configure, and maintain Linux servers. Monitoring and patching/upgrades to standard networking resources (routers, switches, firewalls). Monitoring and patching/upgrades to servers and VM hardware. Assist and incorporate security compliance controls as applicable. Support documentation of non-applicable controls. Assist with installation of new or replacement hardware or software. Configure and integrate hardware or software with existing networked infrastructure. A…

Systems Administrator, Bulk Data Transport Operations Make an Impact Where It Matters Most At Intelliforce, we support mission infrastructure that has to be available, reliable, and ready around the clock. In this role, you will join the Bulk Data Transport Team, which delivers enterprise-scale corporate data transport and messaging services that are critical to national security. You will help develop, deploy, and support worldwide high-performance bulk data transport services for the IC and e…

Responsibilities : Work in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on multiple networks, in multiple architectures. The ideal candidate will have hands-on Linux administration and scripting automation experience with knowledge o…

WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership Because who you work with matters. ________________________________________________________________________ The candidate will participate in a new long-term …

Clearance: TS-SCI w/CI Poly required Certifications: Current Security before start Level: T2 Responsibilities: Design, develop, and support cloud initiatives to support customer driven needs Responsible for user account management and infrastructure requirements. Maintain program owned applications in support of a collaborative environment (JIRA, Atlassian, BitBucket, RocketChat) Work as a SME to define network requirements, user metrics, maintenance of our PPSM, and support to development need…

Job Description Engineering of systems administration-related solutions for various project and operational needs. Install new/rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements. Virtualization platform (VMware, KVM, and other) Storage management (Netapp, Dell/EMC, PureStorage, and others) Infra automation tools(ansible) support Foreman deployment management System invento…

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin…

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…

Job Title: Linux Systems 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: None Type of Travel: None * * * The Opportunity: CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program. A qualified candidate will assist in the installation, configuration and deployment of a new PeopleSoft implementation. Responsibilit…