Linux Systems Administrator

Information Technology
FPS - Force Projection Sector

Do you enjoy contributing to complex technical projects?

Are you searching for meaningful hardware and software support work in collaborative team environment?

If so, we're looking for someone like you to join our team at APL.


We are seeking a creative IT professional to help us support computing facilities that are instrumental to significant Department of Defense projects. We take great pride in contributing our hardware and software support to projects that help protect the nation. You will actively assist with our IT support efforts, including configuring, installing, uninstalling and maintaining systems used in laboratory environments and field tests. We are a hardworking team of systems administrators and information security experts, who love working collaboratively to solve complex computing challenges. Our team is passionate about providing world-class IT services to the facilities and projects we support.


As a Linux Systems Administrator...

Your main responsibility will be to lead, manage, and administer classified computing facilities in accordance with current Risk Management Framework (RMF) rules and regulations. Your system administration support will include the installation and management of large servers, SAN resources, applications, engineering applications, integration between Linux and Windows platforms, supporting existing hardware, and setting up Linux-based client systems with scientific, analysis, and security management software.

You will also…

… identify new hardware needs and be responsible for the proper assessment, implementation, and maintenance of

approved Security Technical Implementation Guides and site-specific security protocols.

… provide hardware and software support for integration and execution of projects throughout the department. You'll meet with project managers to understand project scope and priorities and help identify and procure the required hardware/software.

… collaborate with Windows, storage, network, and virtualization sysadmins and information systems security officers on a range of diverse projects being implemented on small, medium, and large disconnected networks.

… assist with the deployment and implementation of security and monitoring tools like Splunk and CheckMK.

… adhere to documented procedures and create new documentation as needed

… identify and remediate vulnerabilities by way patching and/or modifying configurations

You meet our minimum qualifications for the job if you have..

… experience securing systems to DoD standards

… the ability to mount and unmount local filesystems.

… familiarity with current enterprise Linux distros like Red Hat, Ubuntu, and CentOS.

… experience with Apache, MySQL

… experience with authentication and interoperability between Windows and Linux.

… a basic understanding of dhcp, dns, ip subnetting

… basic Windows troubleshooting skills and familiarity of active directory

… the ability to diagnose and troubleshoot problems related to OS, hardware, network, and related software

... a Bachelor's degree or equivalent years of relevant professional experience

... an active Department of Defense Secret security clearance with the ability to obtain a Top Secret clearance. If selected, you will be subject to a government security investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

... a current DoD 8570 certification (Security + or CISSP), or the ability to obtain DoD 8570 certification within six months of employment.


You'll go above and beyond our minimum qualifications for the job if you have..

... an active Department of Defense Top Secret security clearance.


Why work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates. At APL, we celebrate our differences and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL’s campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at


Previous Job Searches

Similar Listings

ITSD - Information Technology Services Department

*Laurel, *Maryland, *United States

📁 Information Technology

ITSD - Information Technology Services Department

*Laurel, *Maryland, *United States

📁 Information Technology

ITSD - Information Technology Services Department

*Laurel, *Maryland, *United States

📁 Information Technology