L2 Sys Admin - OKC

Apex Systems; Oklahoma City (OK); On-site; USD 34,000 - 44,000; Full time

Benefits offered by this job

Medical insurance

401(k) plan

HSA (Health Savings Account)

Employee Assistance Program (EAP)

Job summary

Apex Systems is seeking a Level 2 Systems Administrator in Oklahoma City, OK for a long-term rolling W2 contract. The role requires active DoD Interim Secret or higher clearance, 3+ years of SA experience, and hands-on support across Windows, Linux, HPC, and server environments. Schedule is 9/80 with 44 hours one week and 36 the next.

Candidates must hold CompTIA Security+ CE and be US citizens. On-site in OKC; salary $25-$32/hour depending on experience.

Qualifications

• US citizen with ability to obtain/maintain DoD Interim Secret or Secret clearance.
• CompTIA Security+ CE certification required prior to start.
• Minimum of 3 years of relevant systems administration experience.
• Experience with Windows and Linux operating systems and server environments.

Responsibilities

• Provide day-to-day operational support for Windows and Linux desktop systems, Windows and Unix/Linux servers, HPC systems, and development/production servers.
• Install, configure, maintain, and patch Windows and Linux operating systems and peripherals.
• Perform software installations, system upgrades, and hardware replacements.
• Troubleshoot desktop, server, and peripheral issues; escalate complex issues as required.
• Support network infrastructure from an operational/maintenance perspective.
• Perform IMACD activities (Install, Move, Add, Change, Dispose) and document problems and escalations.
• Utilize enterprise tools for documentation and reporting.

Skills

Windows OS

Linux OS

HPC systems

Troubleshooting

Documentation

Tools

Windows Server

Linux/Unix admin tools

HPC cluster software

Job description

Job#: 3044847

Job Description:

System Administrator (Level 2)

Apex Systems is hiring for Level 2 Systems Administrators with a large government and aerospace supporting client in Oklahoma City, OK!

Position requires a currently active, DoD-issued Interim Secret Security Clearance or higher.

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: $25-32/hour (depending upon experience)

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

Position Overview

The Level 2 Systems Administrator provides hands‑on operational support for enterprise desktop, server, and network environments. This role focuses on installation, maintenance, troubleshooting, and escalation support while operating within established standards and procedures. The Level 2 Administrator serves as a key operational contributor ensuring system stability and timely issue resolution.

Key Responsibilities

• Provide day‑to‑day operational support for:
  • Windows and Linux desktop systems
  • Windows and Unix/Linux server environments
  • High Performance Computing (HPC) systems
  • Development, production, and application servers
• Install, configure, maintain, and patch Microsoft and Linux operating systems and associated peripherals
• Perform software installations, system upgrades, and hardware replacements
• Troubleshoot and resolve desktop, server, and peripheral issues; elevate complex issues as required
• Support dedicated network infrastructure from an operational and maintenance perspective
• Perform IMACD activities (Install, Move, Add, Change, Dispose)
• Provide desktop and workstation support within controlled or closed areas
• Track, follow up, and document problems, issues, and escalations
• Utilize Microsoft Office and other enterprise tools for documentation and reporting

Required Qualifications

• Candidates must be US Citizens with the ability to obtain and/or maintain a DoD-issued Secret or Interim Secret Security Clearance as a condition and continuation of employment
• CompTIA Security+ CE certification (required prior to start)
• Minimum of 3 years of relevant systems administration experience
• Working knowledge of:
  • Microsoft Windows workstation and server operating systems
  • Unix/Linux environments
  • Server‑based technologies and application hosting
  • Basic network concepts and topology
• Experience installing and maintaining operating systems and enterprise software
• Strong troubleshooting and problem‑resolution skills
• Ability to work effectively in a structured, process‑driven environment

Preferred Skills

• Experience supporting HPC or specialized computing environments
• Familiarity with enterprise change and incident management processes
• Experience supporting users in classified or restricted environments

#clearance

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.

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.

Everforth Apex Benefits Overview: Everforth 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. Everforth 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, Everforth 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. Everforth 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 Everforth Apex team member can provide.

Everforth 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. Everforth 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 with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.