Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking for someone like you to join our team at APL! We are seeking a Linux System Administrator to join the Weapons and Countermeasures group to support secure Analysis Facilities. In this role, you will apply Risk Management Framework (RMF) principles, d…

Johns Hopkins Applied Physics Laboratory (APL) seeks a Linux System Administrator to support mission-critical research and engineering systems in a secure, high-performance environment. You will install, configure, and harden Linux servers; manage user access, storage, and backups; monitor performance; and troubleshoot complex issues. Collaborate with researchers and engineers to optimize compute environments, ensure security compliance, automate routine tasks, and document configurations while…

Overview LINUX SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Linux Systems Administrator to join our team in Dahlgren, VA. The Linux Administrator is responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing and Evaluation (RDT&E) environment. Responsibilities Providing technical problem solving and in-depth consulting for system operations. Will work as part of a team responsible for administration and management of servers, e…

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 opera-tions. Knowledge of working with multiple intercommunicating devices ac…

Leidos seeks a Linux Engineer to support secure, mission-critical systems for government and commercial clients. You will design, implement, and harden Linux-based infrastructures, automate deployment and configuration, and monitor performance and availability. Responsibilities include troubleshooting complex issues, scripting in Bash/Python, managing virtualization and cloud environments, and applying security best practices. Collaborate with cross-functional teams to modernize legacy systems,…

LINUX SYSTEM ADMINISTRATOR - Northern Virginia We are seeking an experienced Linux System Administrator to support large-scale Linux enterprise environments operating within highly secure settings. This is an opportunity to work across both traditional infrastructure and modern cloud environments while supporting mission-critical systems and services in the intelligence community. THE BENEFITS Unbeatable benefits package competitive salary Secure long-term programs Diverse infrastructure envir…

Role: Linux System Administrator Location: Fairfax, VA Salary: $130,000 - $220,000 Benefits (Total Compensation up to $330,000) Clearance: Active TS clearance Benefits 25% Employer-funded 401(k) contribution Benefits Account worth 25% of base salary (take as benefits or additional compensation) 8 Weeks PTO (option to increase) Medical, Dental & Vision Insurance Life Insurance 100% tuition reimbursement (Degrees, Certifications & Professional Development) Flexible working hours The Opportunity …

Linux Systems Administrator – Active Top Secret Clearance Location: Springfield, VA – 100% Onsite Salary: Up to $160,000 Base Bonus Benefits: 401(k) Match, Profit Sharing, Comprehensive Benefits Clearance Required: Active Top Secret (TS) Employment Type: Full-Time, Direct Hire Position Overview We are seeking an experienced Linux Systems Administrator to support and maintain mission-critical infrastructure within a secure federal government environment. This position is ideal for a technically…

Leidos is seeking a Senior Linux Systems Administrator to support mission-critical national security, health, and engineering programs. In this role, you will design, secure, and optimize enterprise Linux environments across on-premises and cloud platforms, ensuring high availability and compliance. You will implement automation, monitoring, backup, and recovery solutions while collaborating with security, network, and engineering teams. Leidos offers a mission-driven, collaborative culture wit…

Leidos is seeking a Senior Linux Systems Administrator to support mission-critical national security, health, and engineering programs. In this role, you will design, secure, and optimize enterprise Linux environments across on-premises and cloud platforms, ensuring high availability and compliance. You will implement automation, monitoring, backup, and recovery solutions while collaborating with security, network, and engineering teams. Leidos offers a mission-driven, collaborative culture wit…

Title - Sr. Systems Engineer - Linux Location - Onsite , Preferred available locations - HQ - San Diego, CA, Centennial, CO, Omaha, NE, Irvine, CA, Los Angeles, Edison, NJ Las Vegas, NV , New York City 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 st…

Linux System Administrator Albuquerque, NM Linux System Administrator Albuquerque, NM Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology …

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: Local * * * The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Linux Systems Administrator tosupport mission-critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare-metal systems…

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…

Job Number: R0251731 Linux System Administrator The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our clients? We're looking for a Linux system administrator who spe cia lizes in compliance with industry standard information security controls. As a system administrator on our team, you'll leverage your extensive experience with s…

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a hands-on Linux Systems Administrator III to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems. Support our end-to-end Linux environment, including engineering workstations, build ser…

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 * * * We are seeking a highly skilled Linux Systems Administrator to support mission-critical enterprise infrastructure in a secure Department of Defense/Intelligence Community environment. The successful candidate will provide advanced systems administration, ne…

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join our IT team. The ideal candidate will play a crucial role in integrating, maintaining and opt…

Senior Linux System Administrator Trading firm expanding its systems administration team. Linux shop both on the server and desktop sides No Cloud or dev-ops - all work on-premises. Diversified workday - deep Linux troubleshooting, racking and stacking, supporting trading floor Looking for 10 years of experience and willingness to wear many hats Windows servers and desktops rarely. Frequent user interaction Technical must-haves: Deep Linux knowledge Scripting skills: bash, perl, python, SQL. E…

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…