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…

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…

Job Description SALARY RANGE $140,000 - $200,000/year. DUTIES As a successful candidate for the System Administrator II role, you will design and support system architecture while developing solutions to meet organizational needs within a hybrid cloud environment, contribute to a small, highly skilled Linux team responsible for creating, maintaining, and troubleshooting Linux instances across multiple networks and architectures, perform hands-on system administration to ensure system stability,…

Job Description: Seeking a passionate and skilled Linux Systems Administrator to provide system management, daily monitoring and optimization. In this role, you will provide technical leadership and execution, and be supporting mission-critical customers, providing pre-installation configuration, on-site integration, administration, and customer enablement of computing solution. TS/SCI with Full Scope Poly clearance REQUIRED US citizenship is required Location: Daily Onsite (Fulltime) Annapolis…

Job Title: Tier III Operations Engineer Location: Onsite - Dallas, TX Area Clearance: Active TS/SCI with CI Poly Citizenship: U.S. Citizen Position Summary The Tier III Operations Engineer is responsible for maintaining the availability, performance, and reliability of mission-critical systems. This role serves as the highest level of operational support, providing advanced technical troubleshooting and incident resolution for complex infrastructure and application issues. The engineer collabor…

ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers . If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. Unless specifically stated otherwise, this role is "On-Site" at…

Required Skills Ten (10) years of experience as an SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree. A minimum certification of IAT Level II (SEC, CCNA) Strong Linux administration experience, including configuring, patching, monitoring, troubleshooting, etc. Experience working with…

* Hybrid, full-time position - At least one day on-site in Harrisburg, PA per week, but telework schedule can be subject to change. Candidates must live within an hour of Harrisburg to be considered. Candidate is responsible for travel cost to report on-site. All remote work muse be completed in the United States. Candidate must work EST Business Hours. Our direct client has an opening for a Linux Administrator position 760272. This position is for 12 months, with option of extension, and w…

Seeking a motivated and experienced Linux Systems Administrator for a small, diverse team that provides end-to-end software, systems, and network engineering services to support Integrated Discovery Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps architecture, often based on open-source technology and not relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued execution of the…

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…

Job Description What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, yo…

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, Maryland, US, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. Lockheed Martin Enterprise Operations (EO) is actively seek…

Job Description Manage Kubernetes environments with Rancher and OpenShift. Manage all Gitlab CI/CD needs for the team and support research needs. Architect automation tooling for Compliance-as-Code configurations using Ansible, GitLab, Artifactory, Tenable Nessus, Axonius, CrowdStrike, and related tools. 75-95K Contract to hire onsite in midtown We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are…

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 Shift timings: Monday-Friday (11:00 pm -7:00 am) 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…

Battelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients-whether they are a multi-national corporation, a small start-up or a government agency. We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply. Job Summary Battelle's Cyber Business Line is seeking a mid-l…

Job Description Level 1 Systems Administrator - Linux / Enterprise IT Operations Mission-Driven Work at Kryptauri Kryptauri partners with government and defense organizations to deliver secure, high-assurance IT solutions in sensitive environments. We are seeking a Level 1 Systems Administrator (SA) to support mission-critical infrastructure, ensuring operational continuity, compliance, and system integrity across enterprise platforms. This role is ideal for professionals who thrive in structur…

R-00185476 Description Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401(k) with a 6% co…

Date Posted: 2026-07-16 Country: United States of America Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.? U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance? Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM…

Our client is a woman-owned firm that specializes in custom Software Development, Big Data Analytics, Data Science and Cloud Computing for both government and commercial customers. The culture here is focused on creativity, collaboration, continuous learning and getting results to further the mission. They offer excellent salaries, an 8% 401K contribution, and a great training budget (5K and an additional 5 days PTO just for training) all with a family-oriented feel. They are seeking a fully-cl…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: NoDescription 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 across the Atlantic Oce…