Linux Admin

Systems AdministratorLocation: King of Prussia, PA Clearance Level: Secret (Top Secret preferred) Basic Qualifications: • Active Secret Clearance • Knowledge of Linux/UNIX Server Administration • Knowledge of scripting skills to automate tasks on servers (including Perl, Bash and PowerShell) • Experience with Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) processes • Experience with vulnerability remediation and security management (i.e., system hardening, log management, configuration management (i.e., Yum, Nessus, CrowdStrike, WSUS, SCCM, Ivanti, Shavlik, Blade Logic, Splunk, ACAS, SCAP, HBSS, etc.) • Demonstrated experience leading small projects associated with deploying IT products • Familiarization and knowledge related storage: direct attached, NAS, and SAN (NetApp) • Ability to obtain Security+ certification within 60 days • Experience with software application installation Desired Skills: • Experience with Windows Server Operating Systems • Experience with Active Directory (AD) • Knowledge of operating systems life cycle management and configuration management (Print Management, Account Management, System Imaging, Hardware Modernization, Performance Monitoring, etc.) • Knowledge of network support in a classified environment (encryption, etc.) • Current Security + or CISSP certification • Current working knowledge of National Industrial Security Program Operating Manual (NISPOM) and Risk Management Framework (RMF) requirements • SQL experience • Familiarization and knowledge related to Virtualization (VMware or HyperV) • Knowledge of Disaster Recovery Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details. Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.

Created: 2026-03-04