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Computer Systems Administrator Jobs in Missouri (NOW HIRING)

Computer Backups, Software Updates, Troubleshooting Certifications: None Experience: 5 + years of ... As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work ...

There may be extended periods of using a computer. Ability to lift to 45 lbs. Working Conditions ... System Administrator or System Engineer. • Strong experience administering Microsoft 365 and ...

Systems Administrator Department: IT Department Reports To: Chief Innovation Technology Officer ... There may be extended periods of using a computer. Ability to lift to 45 lbs. Working Conditions ...

As a Systems Administrator Advisor you will help ensure today is safe and tomorrow is smarter. Our ... computer systems. You will work closely with both on-site and remote users to resolve issues ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to ... Bachelor's degree in Computer Science, Engineering or a related technical discipline, or the ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to ... Bachelor's degree in Computer Science, Engineering or a related technical discipline, or the ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to ... Bachelor's degree in Computer Science, Engineering or a related technical discipline, or the ...

Build and maintain VMware virtual computer environments * Provide technical solutions when ... Administer user system access by implementing safeguards to protect information to meet security ...

Build and maintain VMware virtual computer environments * Provide technical solutions when ... Administer user system access by implementing safeguards to protect information to meet security ...

Bachelor's degree in Information Technology, Computer Science, Engineering, or related field and 8 ... Red Hat Certified Systems Administrator (RHCSA) * Microsoft Certified: Windows Server Hybrid ...

Bachelor's degree in Information Technology, Computer Science, Engineering, or related field and 8 ... Red Hat Certified Systems Administrator (RHCSA) * Microsoft Certified: Windows Server Hybrid ...

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Showing results 1-20

Computer Systems Administrator information

See Missouri salary details

$33.3K

$67.7K

$109.7K

How much do computer systems administrator jobs pay per year?

As of Aug 5, 2026, the average yearly pay for computer systems administrator in Missouri is $67,729.00, according to ZipRecruiter salary data. Most workers in this role earn between $49,200.00 and $87,700.00 per year, depending on experience, location, and employer.

What are some common challenges computer systems administrators face when managing large networks?

Computer Systems Administrators often encounter challenges such as ensuring network security across multiple devices, maintaining system uptime during updates or troubleshooting, and balancing the need for rapid problem resolution with minimizing disruption to users. They must also keep up with evolving technologies and security threats, which requires continuous learning and adaptability. Effective communication with end users and other IT staff is key to addressing issues efficiently and keeping systems running smoothly.

Is a computer systems administrator a high paying job?

Computer systems administrators typically earn a median salary that is above the national average for many occupations, with salaries varying based on experience, certifications, and location. They often require knowledge of network management, security, and operating systems, which can contribute to higher earning potential. Advanced skills and certifications like CompTIA or Cisco can further increase salary prospects.

What is a computer systems administrator?

Computer systems administrators oversee the operations of a company’s computer system, which may include examining all computer hardware, application software, security, and network equipment. As a computer systems administrator, you work with a variety of software developers, database administrators, security professionals, and infrastructure specialists to ensure that the entire computer system is stable, functional, and safe. Other responsibilities may involve the installation of information technology components, reviewing system security measures, and maintaining the production system.

What is the difference between Computer Systems Administrator vs Network Administrator?

AspectComputer Systems AdministratorNetwork Administrator
CertificationsCompTIA Server+, Cisco CCNA, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA, Juniper JNCIA
Work EnvironmentManage servers, hardware, and software systems within organizationsFocus on designing, implementing, and maintaining network infrastructure
Employer & Industry UsageIT departments across various industries, supporting internal systemsOrganizations requiring robust network connectivity, such as ISPs, large corporations

Computer Systems Administrators primarily manage and maintain an organization’s servers and internal systems, while Network Administrators focus on designing and maintaining network infrastructure. Both roles often overlap but differ in their core responsibilities and certifications.

Do computer systems administrators make good money?

Computer systems administrators typically earn a competitive salary that varies based on experience, location, and industry. According to industry data, the median annual wage is around $80,000, with higher earnings possible for those with advanced certifications or specialized skills in network management and security.

What are the key skills and qualifications needed to thrive as a computer systems administrator, and why are they important?

To thrive as a Computer Systems Administrator, you need expertise in operating systems, networking, system security, and troubleshooting, usually backed by a bachelor's degree in computer science or related field. Familiarity with tools like Windows and Linux server environments, virtualization platforms, and certifications such as CompTIA Network+ or Microsoft Certified Systems Administrator (MCSA) are commonly required. Strong problem-solving, communication, and organizational skills help administrators manage user needs and coordinate with IT teams. These abilities are crucial for maintaining system reliability, security, and efficient support across an organization's technology infrastructure.
What are popular job titles related to Computer Systems Administrator jobs in MO? For Computer Systems Administrator jobs in MO, the most frequently searched job titles are:
Infographic showing various Computer Systems Administrator job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 8% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $67,729 per year, or $32.6 per hour.

Systems Administrator

GDIT

Saint Louis, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago


General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

86th of 221 rated it services


Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Computer Backups, Software Updates, Troubleshooting

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate.
At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Systems Administrator joining our team to Support our intelligence customer in St. Louis, MO.

HOW A SYSTEMS ADMINISTRATORWILL MAKE AN IMPACT

As a System Administrator (Desktop Support), you will be responsible for providing excellent technical support to end-users, maintaining desktop systems, and ensuring the reliable operation of computer systems. You will work closely with both on-site and remote users to resolve issues, coordinate upgrades, and provide hands-on support for desktop environments.

In this role, a typical day will include:

  • Independently develops technical solution for the management for software, hardware, configurations, and architecture. Provides interpretation to Systems matters that are moderately complex in nature.
  • Provide troubleshooting support for systems hardware and software issues that are highly complex.
  • Performs advance software installations and upgrades to operating systems and layered software packages.
  • Applies advanced knowledge in monitoring and tuning the system to achieve optimum performance levels.
  • Provides guidance to less experienced personnel on workstation/server data integrity matters and the implantation of standard software and hardware solutions.
  • Leads complex data/media recoverability following a schedule of system backups and database archive operations.
  • Evaluates and assesses existing systems and plans long term strategies.
  • Configure and maintain networked computer system, including hardware, system software, and applications
  • Conducts advanced to complex hardware and software audits of workstations and servers to ensure compliance with established standards, policies and configurations guidelines.
  • Recognized subject matter expert in job area typically through advanced education and work experience. Established operational plans. Manages large projects with limited oversight form manager.
  • Strong written and verbal communication is imperative when dealing with technically minded employees and non-technical colleagues
  • Train end-users on the proper use of hardware and software. May training large groups of end users.
  • May coach and review the work of less-experienced professionals.
  • May serve as a team or task leader (Not a people manager)
  • May require after hour support or weekend support for mission, program and special project support

WHAT YOU'LL NEED TO SUCCEED:

  • Knowledge in one or more of the following areas:
    • Thin Client using Virtual Desktop Infrastructure (VDI) Technology
    • Experience and/or knowledgeable with: Windows 11; Windows 10; Citrix; SMS; and SCCM
    • End User Hardware
      • Thin Client, Thick Monitors, KVM's, Printers, Plotters Print Server Configurations, VOIP phone,
    • Desktop Image Management
    • Home Directory and Profile Support Services
    • E-mail Support Services
    • Software Support Services
    • Experience and/or knowledgeable with; Windows 7; Windows 10; Win11 Citrix; SMS; and SCCM
  • Excellent troubleshooting capabilities
  • Strong communication skills
  • Strong work ethic and attention to detail
  • Strong writing skills (consistently document work completed)
  • Strong time management skills and ability to work flexible schedules to meet job requirements
  • Ability to move and lift computers, printers, monitors, and other hardware
  • Team player and willing to share knowledge and learn from others to ensure team's success
  • Enthusiasm and ability to adapt to new and changing technologies

Education/Experience Requirement:

  • BA/BS (or equivalent experience)
  • 5+ years of experience

Certifications:

  • Security+ or CASP
  • ITIL v4 Foundations

Location: Customer Site

US Citizenship Required

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

RoverGSS

The likely salary range for this position is $97,968 - $132,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MO St. Louis

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

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GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US