System Adminsitrator

Sorry, this job was removed at 08:25 p.m. (CST) on Wednesday, Jan 07, 2026
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St Louis, MO
In-Office
Information Technology • Cybersecurity
The Role
GCyber is hiring a System Administrator, to support our newly awarded United States Coats Guard (USCG) Maverick contract. The System Administrator will manage, maintain, and optimize servers, operating systems, and enterprise applications to support continuous operations and mission-critical activities. 
This position is located in St Louis, MO and is a hybrid position with 3 days on site.
As the System Administrator, you will:
  • Manage, maintain, and optimize servers, operating systems (Windows/Linux), and enterprise applications in a 24/7 environment.
  • Monitor system health and performance using tools like SolarWinds, enforcing security protocols and best practices to protect data.
  • Diagnose and resolve complex server, OS, application, hardware, software, and network issues, leveraging PowerShell and Bash scripting to automate routing tasks. 
  • Serve as the primary contact for users, responding to questions, running diagnostics, documenting issues in ticketing systems, and creating internal procedures/FAQs. 
  • Work with internal teams to integrate IT services, escalate recurring issues to Tier 3 support, provide training and follow-up communications, and contribute to process improvements for efficiency. 
Minimum Qualifications and Experience
  • Active DoD Secret clearance
  • Bachelor’s degree with 5-8 years (or commensurate experience)
  • 8570 IAT II certification (i.e., Security+, CCNA-Security, CND, CySA+, GCSP, GSEC, SSCP)
  • Proficiency in operation systems (Windows)
  • Knowledge of:
    • Microsoft software applications
    • EDMS and Active Directory
    • SharePoint
  • Ability to diagnose and resolve technical problems efficiently.

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The Company
Arlington, Virginia
48 Employees

What We Do

GCyber was founded to create innovative information technology solutions for the federal, state, and commercial markets. GCyber engineers have provided professional services supporting the information technology industry for over 15 years. Along with our engineering staff, we have relationships with partners, vendors, and analysts who have specialized expertise in the federal market. GCyber’s broad experience, focus toward execution with measurable results, and commitment to innovation provide responsive and long-lasting solutions to our customers.

It is the mission of GCyber to always remain focused on our customer’s goals and improving their existing landscape. Our company accomplishes this by focusing on opportunities for innovation, while remaining mindful of industry successes and failures in the deployment of technologies. If your road map needs increasingly innovative solutions, GCyber can help you get there.

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