Demo

System Adminsitrator

GCyber
GCyber Salary
St Louis, MO Contractor
POSTED ON 12/19/2025
AVAILABLE BEFORE 1/15/2026
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.
Our Benefits

GCyber is committed to the well-being and development of every employee. Our benefits are designed to support your personal and professional goals, from health and wellness programs to retirement savings and career development opportunities. Highlights include:

  • 26 Days of Paid Leave Annual PTO Increase
  • An extra day of paid leave for every year of employment with GCyber
  • Paid Parental Leave
  • Additional Leave Allowances for Military Duty, Jury Duty, and Bereavement Leave
  • 401(k) Matching
  • 100% Company-funded Disability Insurance
  • 90% Company-Funded Health, Dental, and Vision Insurance, with contributions to insurance benefits for spouses, children, and family members
  • Training and Professional Development Plans
  • Commuter Benefits Plan
  • Parking and Transportation Allowance

Equal Opportunity Employer

GCyber is an Equal Opportunity Employer. This means you don't have to worry about whether your application process will be fair. We consider all applicants without regard to race, color, religion, age, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, veteran status, or disability.

Stay in Touch

For future job notifications please follow GCyber on LinkedIn. https://linkedin.com/company/gcyber

Powered by JazzHR

Hourly Wage Estimation for System Adminsitrator in St Louis, MO
$34.00 to $43.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a System Adminsitrator?

Sign up to receive alerts about other jobs on the System Adminsitrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$83,089 - $102,314
Income Estimation: 
$109,654 - $138,234
Income Estimation: 
$104,823 - $128,381
Income Estimation: 
$55,103 - $74,685
Income Estimation: 
$65,869 - $90,010
Income Estimation: 
$67,510 - $85,676
Income Estimation: 
$85,059 - $120,527
Income Estimation: 
$90,936 - $120,778
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$101,597 - $131,824
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at GCyber

  • GCyber Alexandria, VA
  • GCyber is seeking an Information System Security Engineer, to support a government customer. The ISSO will be responsible for maintaining compliance, ensur... more
  • 14 Days Ago

  • GCyber Chicago, IL
  • Job Summary The Cook is responsible for all food preparation, food inventory for facilities with a population of greater than or equal to twenty-five (25) ... more
  • 9 Days Ago

  • GCyber Chicago, IL
  • Job Summary The Cook is responsible for all food preparation, food inventory for facilities with a population of greater than or equal to twenty-five (25) ... more
  • 9 Days Ago

  • GCyber Alexandria, VA
  • GCyber is hiring a Stakeholder Engagement and Outreach Lead to support our US Coast Guard customer's infrastructure modernization and management objectives... more
  • 11 Days Ago


Not the job you're looking for? Here are some other System Adminsitrator jobs in the St Louis, MO area that may be a better fit.

  • Staff Financial Group Atlanta, GA
  • Contracts Administrator - Galleria Area The Contract Administrator position is responsible for monitoring the progress of projects. The Contract Administra... more
  • 21 Days Ago

  • Fallin Family Dentistry Zachary, LA
  • Well established Zachary dental practice seeking front desk business administrator. Applicant must be outgoing, multitasker, have a pleasant phone voice an... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!