Sr. System Administrator Security Clearance

Position: Sr. System Administrator with Security Clearance
Job #: 3044045 Apex Systems is seeking a Sr. Systems Administrator to join one of our government clients in Ft. Meade, MD. Project Details / Mission Supported:
We are seeking a highly skilled Senior Systems Administrator to join a small, collaborative team supporting enterprise server and virtual infrastructure environments. This role serves as a senior technical resource responsible for Tier II/III support, system configuration, upgrades, maintenance, and complex break-fix activities across Windows, Linux, and Solaris environments.

Key Responsibilities

• Serve as a Tier II/III escalation point for major incidents, outages, and complex technical issues.

• Administer, configure, maintain, and troubleshoot enterprise server environments.

• Perform system upgrades, patches, configuration changes, and break-fix activities.

• Support and manage Windows, Linux, and Solaris server environments, with primary emphasis on Linux administration.

• Maintain and support virtualized infrastructure and Virtual Desktop Infrastructure (VDI) environments.

• Create, maintain, and improve technical documentation, knowledge articles, and Standard Operating Procedures (SOPs).

• Review technical work performed by junior team members and provide coaching and mentorship.

• Identify opportunities to improve operational efficiency, system stability, and support processes.

• Collaborate with infrastructure, network, and cybersecurity teams to resolve cross-functional issues.

• Participate in problem management and root cause analysis efforts for recurring incidents.

Required Qualifications

• 8+ years of overall experience and a Bachelors degree. Other level of degrees will be accepted with correlating years of experience.

• Sec+ certification or other DoD 8140 certification

• Strong experience administering Linux servers.

• Working knowledge of Windows Server environments.

• Experience working in virtualized environments.

• Proven ability to create and maintain technical documentation and SOPs.

Location:

Ft. Meade, MD
Clearance Level: Top Secret or TS/SCI in the last 2 years Salary/Pay range: $60-65/hr

Schedule:

5:00am-1:00pm

PLEASE NOTE:

Candidates must be able to obtain and/or maintain a Department of Defense Top Secret clearance as a condition and continuation of employment
* If you are interested, please apply here or email an updated copy of your resume to . Apex Systems Military & Veteran Programs
At Apex Systems, we are proud to support those who serve.

Our commitment to the military community is reflected in our robust veteran hiring initiatives, military-friendly workplace policies, and nationally recognized programs. We value the leadership, discipline, and mission-first mindset that military professionals bring to our team. Join us in continuing your mission. Why Apex is a Top Choice for Veterans and Military Talent:

• Military-Friendly

Employer:

Recognized as a Military Friendly® Employer for multiple consecutive years.

• Transition Programs:
DoD Skill Bridge program with multiple pathway options.

• Veteran Hiring Commitment:
We actively partner with multiple veteran and military organizations that specialize in IT upskilling and certification training, helping service members and veterans transition into high-demand tech careers

• Apex Military Network:
Internal employee resource group supporting veterans, Guard/Reserve members, and their families. 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 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+…