Job description

Job Title: Linux Systems Administrator Job Description The Systems Administrator will ensure that system hardware, operating systems, software systems, and related procedures adhere to organizational policies. The role involves running security scans, resolving vulnerabilities, and primarily hardening Linux systems per requirements, including OS patching, software patching, and anti-virus software management. Additionally, the administrator will assist in hardening Windows systems and be involved in installing and programming routers, firewalls, and multi-layer network switches, including routing and managing Access Control Lists. Responsibilities • Ensure compliance of system hardware, operating systems, software systems, and related procedures with organizational policies. • Run security scans and resolve vulnerabilities. • Harden Linux systems, including OS patching, software patching, and anti-virus software management. • Assist in hardening Windows systems, including OS patching and software patching. • Install and program routers, firewalls, and multi-layer network switches, including routing and managing Access Control Lists. Essential Skills • 5 years of experience with a BS/BA; 3 years with an MS/MA; 0 years with a PhD. • Active Top Secret clearance with the ability to obtain SCI. • US Citizenship. • Proficiency in Linux FIPS mode. • Experience with full disk encryption using LUKS / Tang / Clevis. • Knowledge of Secure Technical Implementation Guide (STIG), Assured Compliance Assessment Solution (ACAS), OpenSCAP, STIGviewer. • Creating patch repositories and pushing out updates quarterly. • Bash scripting, user profiles, secure login policies. • Active Directory authentication (SSSD, Realm, Samba). • Mounting NTFS and NFS drives. • VMware Virtualization with Horizon View (thin client / Omnissa client). • VMware VCenter Administration, Microsoft Active Directory administration. • Familiarity with CUDA and Compute GPU installations. • Installing, upgrading, and administrating Red Hat Rocky, Ubuntu, Real-Time Operating Systems (Redhawk / Red Hat RT). Additional Skills & Qualifications • Experience in systems administration. • Proficiency in Linux and Windows systems. • Knowledge of STIG and ACAS. • Familiarity with VMware and Microsoft Active Directory. • Network+ or Security+ Certification • Red Hat Certified Engineer (RHEL), Red Hat Certified System Administrator (RHSA), Linux+, Linux Professional Institute Certified (LPIC) Work Environment This position requires working on-post at Aberdeen Proving Ground, directly supporting the U.S. Army. The role involves working with cutting-edge technologies and equipment within a structured military environment. Pay and Benefits The pay range for this position is $130000.00 - $160000.00/yr. Full benefits, PTO, 401k Match, etc. Workplace Type This is a fully onsite position in Belcamp,MD. Application Deadline This position is anticipated to close on Jul 28, 2025. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

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