Systems Administrator Security Clearance

Position: Systems Administrator with Security Clearance
Systems Administrator
Orlando, FL (Onsite) Candidates must be able to obtain and/or maintain a Department of Defense secret clearance with 5 year PR as a condition and continuation of employment. If interested, please apply here or email an updated copy of your resume to Andie at . Overview
This is an operations-focused systems support role responsible for maintaining and troubleshooting mixed Linux and Windows environments. The work is heavily centered on device management, cyber compliance, patching, and day-to-day ticket resolution. The environment includes Active Directory, VMware virtualization, and standard enterprise networking services. This role is not focused on building new infrastructure but on sustaining and stabilizing existing systems with a strong emphasis on operational excellence and secure device posture.

Key Responsibilities

• Support and administer Linux and Windows systems in an enterprise environment

• Perform device management, patching, and ensure endpoint cyber compliance

• Handle account provisioning and troubleshoot Active Directory, access, and authentication issues

• Manage Group Policy Objects (GPOs)

• Provide Tier 2 support for DNS, DHCP, and general connectivity issues

• Support VMware environments (basic admin and troubleshooting)

• Work tickets independently and escalate within the 18-person team when needed

• Assist with onboarding and access aligned with clearance requirements Top Must-Haves
• Sec+ CE or higher – Level II IAT Cert

• Linux Systems Administration

• Active Directory

• DNS & DHCP

• VMware

• Group Policy Additional Requirements

• Strong troubleshooting experience in ticket-driven environments

• Ability to work independently and follow escalation paths

• Availability to work occasional Friday, Saturday, or Sunday shifts (40-hour work week; schedule communicated in advance)

• Candidates must be able to obtain and/or maintain a Department of Defense Secret clearance with a 5-year PR as a condition and continuation of employment
Environment

• Mixed Linux and Windows environment (Windows currently more prevalent)

• VMware-based infrastructure

• Strong emphasis on security, compliance, and operational stability 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+ 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…