Cleared Level 3 Sys Admin - OKC

Job#: 3028856

Job Description:

Systems Administrator (Level
3)

Apex Systems is immediately hiring for a Systems Administrator (Level
3) to support a government contract on‑site in Oklahoma City, OK!

If interested in applying, apply online or email a copy of your updated resume to Melissa at (please reference Job  when emailing)

Location: 100% on‑site in Oklahoma City, OK

Schedule/Shift: It is a 9/80 work shift (44 hours Monday‑Friday one week, 36 hours Monday‑Thursday the following week)

Pay Rate: $38‑41/hour (depending upon experience)

Contract Type/Duration: W2 Contract;
Long‑term Rolling

The Level 3 Systems Administrator is a senior technical role responsible for end‑to‑end support, design, and lifecycle management of enterprise infrastructure. This position serves as the highest escalation point for complex technical issues and plays a critical role in configuration, change, and release management while acting as a technical representative to customers and program leadership.

• Provide end‑to‑end hardware and software support for:
  Windows and Unix/Linux servers, High Performance Computing (HPC) systems, Development, production, and application server environments, Desktop systems and supporting infrastructure, Network systems
• Lead and execute configuration, change, and release management activities
• Perform advanced troubleshooting, root cause analysis, and permanent remediation of complex system issues
• Manage asset lifecycle, including tracking, maintenance, and disposition
• Implement, enforce, and maintain compliance with client and customer technical standards
• Serve as a senior technical escalation point and subject matter expert
• Develop deep program and customer knowledge to effectively represent CNO services
• Build and maintain strong working relationships with customers, engineers, and management
• Produce and maintain technical documentation and operational procedures
• Execute tasks and projects as directed by Management

• Candidates must be US Citizens with the ability to obtain and/or maintain a DoD‑issued Interim, Secret, or higher Security Clearance as a condition and continuation of employment
• CompTIA Security+ CE certification (required prior to start)
• Minimum of 5 years of relevant systems administration experience
• Extensive hands‑on experience with:
  Windows Server 2008 and Windows 7 (required), Windows Server 2012 and Windows 8 (preferred), VMware virtualization platforms (ESX or higher), Active Directory administration, Group Policy Object (GPO) deployment and troubleshooting, HP server hardware
• Strong understanding of enterprise server, network, and infrastructure environments
• Excellent written and verbal communication skills
• Ability to work independently in a dynamic, fast‑paced environment

• Experience administering server roles such as SQL, Web, and Exchange
• Experience with WSUSSAN technologies, Net Backup or enterprise backup solutions
• Experience writing, editing, and maintaining technical documentation
• Prior experience supporting classified or regulated environments

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 401(k) program which allow 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) and a Support Linc 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 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 require an accommodation under the Americans with Disabilities Act to participate in an interview or use our website for a search or application, please contact our Benefits Department for assistance.