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Apex Systems, Inc.
Linux and Windows System Administration
San Diego, CA
Jul 18, 2025
Contract
Full Job Description

Job#: 2081986

Job Description:

Linux and Windows Sys Admin

San Diego, CA

Our Client is looking for a candidate to provide Linux server administration and Windows desktop administration on the Research, Development, Test, and Evaluation (RDT&E) network supporting a US Government Customer. The selected candidate will work as the primary System Administrator for the upkeep and maintenance of three separate enclaves used by this project for their development. In addition, this administrator will maintain the desktop systems used by the project members. Linux is used as the primary server environment for both physical and virtual servers. The desktop environment is Windows 10 and 11. The ideal candidate will be able to work independently when needed, and coordinate tasking with team members. Some occasional local travel is required between San Diego and the Los Angles area.

Specific job duties include:

· RHEL system administration

· Windows 10 desktop and laptop system administration

· Able to perform mitigation of vulnerability found by ACAS scan

· Application of DISA STIGs

· Experience in gathering RMF artifacts to support accreditation

· Familiarity with managing and using containers

· Understand network diagram particularly Ports, Protocols, Services (PPS) and able to trace connection between different machines

· Experience with working in a cloud environment is a plus

· Experience working within configuration management processes and procedures

Certifications (IAT Level II)

One of the following:

· Security+ CE

· GIAC Security Essentials Certification (GSEC)

· Security Certified Network Professional (SCNP)

· System Security Certified Practitioner (SSCP)

and one of the following:

· Linux +

· LPIC-2 Advanced Level Linux Professional

· LPIC-3 Senior Level Linux Professional

· RHCE Red Hat Certified Engineer

· RHCSA Red Hat Certified System Administrator

· RHCDS Red Hat Certified Data Center Specialist

and one of the following:

· Microsoft Certified Systems Administrator

· Microsoft Certified Solutions Expert

· Configuring Windows 10 (70-697 or equivalent)

Required Skills

· 3 Years of Experience with Linux Systems

· Windows desktop management experience

· Experience with Linux and Windows VM environment

Desired Skills

· Knowledge of ITIL processes and ITIL Certification

· Experience with the IAVM process

Candidates must be US citizens able to obtain and/or maintain a Department of Defense Secret security clearance as a condition of employment

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

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 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.

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Job Category:
Information Technology
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Linux and Windows System Administration
Apex Systems, Inc.
San Diego, CA
Jul 18, 2025
Contract
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