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System Admin Jobs in Missouri (NOW HIRING)

Systems Administrator

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

The Systems Administrator II is responsible for maintaining the DataServ Software-as-a-Service ... This position is a "generalist" by nature, having had exposure to a variety of network and system ...

Systems Administrator

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

The Systems Administrator II is responsible for maintaining the DataServ Software-as-a-Service ... This position is a "generalist" by nature, having had exposure to a variety of network and system ...

Liberty Hospital is seeking a System Administrator I to provide design, implementation, maintenance, and support services for server level enterprise applications and medical devices. The role ...

Sr. Systems Administrator

Saint Louis, MO · On-site

$81K - $110K/yr

Administer, maintain, and support the application with the customer enterprise. * Perform ... Monitor system health, performance, and availability using enterprise monitoring tools.

Perform system upgrades, patch management, and technology lifecycle management. Microsoft 365 G Cloud Administration * Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint ...

Perform system upgrades, patch management, and technology lifecycle management. Microsoft 365 & Cloud Administration Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint ...

Showing results 41-60

System Admin information

See Missouri salary details

$38.5K

$83.4K

$129K

How much do system admin jobs pay per year?

As of Aug 12, 2026, the average yearly pay for system admin in Missouri is $83,414.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,700.00 and $97,600.00 per year, depending on experience, location, and employer.

What does a system administrator do?

A system administrator manages and maintains an organization’s computer systems, servers, and networks to ensure they run efficiently and securely. They install, configure, troubleshoot hardware and software, monitor system performance, and implement security measures, often using tools like scripting and monitoring software. Certifications such as CompTIA Server+ or Microsoft Certified Systems Administrator (MCSA) can enhance job prospects.

What is a system admin?

System admins, or system administrators, are IT professionals responsible for managing, maintaining, and supporting computer systems and networks within an organization. Their duties often include installing and configuring software and hardware, monitoring system performance, ensuring system security, and troubleshooting technical issues. System admins play a crucial role in ensuring that the organization's IT infrastructure runs smoothly and efficiently.

What are some common challenges system admins face when managing both on-premises and cloud-based infrastructure?

System Admins often encounter challenges integrating and maintaining both on-premises and cloud-based systems, such as ensuring consistent security protocols, managing user access across platforms, and troubleshooting connectivity issues. Balancing updates, backups, and performance monitoring between different environments requires strong organizational skills and familiarity with various management tools. Effective communication with IT, development, and security teams is essential for resolving issues quickly and maintaining system reliability.

Is a system administrator a high paying job?

System administrators often earn competitive salaries that vary based on experience, certifications, and location. In general, they are considered to have a well-paying role within the IT industry, especially with specialized skills in network management, security, and scripting. Salaries tend to increase with expertise and advanced certifications like CompTIA or Cisco certifications.

Do system administrators make good money?

System administrators typically earn competitive salaries that vary based on experience, certifications, and location. Entry-level positions may start lower, but experienced admins with skills in networking, security, and scripting can earn higher wages, especially in larger organizations or with specialized expertise.

What are the key skills and qualifications needed to thrive as a system admin, and why are they important?

To thrive as a System Admin, you need strong knowledge of operating systems (Windows, Linux), networking, and server management, typically supported by a degree in IT or related certifications like CompTIA Server+ or Microsoft Certified: Windows Server. Familiarity with tools such as Active Directory, virtualization platforms (VMware, Hyper-V), and monitoring systems is essential. Excellent problem-solving abilities, attention to detail, and effective communication distinguish top performers in this role. These skills ensure reliable system performance, security, and rapid issue resolution, which are vital for organizational operations.

What is the difference between System Admin vs Network Administrator?

AspectSystem AdminNetwork Administrator
CertificationsCompTIA A+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentManage servers, operating systems, and internal IT infrastructureFocus on network hardware, configurations, and connectivity
ResponsibilitiesMaintain servers, troubleshoot OS issues, user account managementConfigure routers/switches, monitor network performance, security
Industry UsageCommon in small to medium businesses, IT departmentsCommon in larger organizations, ISPs, data centers

While both roles involve IT infrastructure, System Admins primarily manage servers and operating systems, whereas Network Administrators focus on network hardware and connectivity. Both roles often collaborate but have distinct technical focuses and certifications.

What are the most commonly searched types of System Admin jobs in Missouri? The most popular types of System Admin jobs in Missouri are:
What are popular job titles related to System Admin jobs in MO? For System Admin jobs in MO, the most frequently searched job titles are:
Infographic showing various System Admin job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $83,414 per year, or $40.1 per hour.

Cybersecurity Systems Administrator

Next Step Systems

Wright City, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 20 days ago


Job description

Cybersecurity Systems Administrator, Wright City, MO
The Cybersecurity Systems Administrator supports the operation of the in-house and cloud computer systems. Achieves and maintains required security compliance. This also includes planning, designing, installing, configuring, maintaining, and optimizing all server and network hardware, software, and communication links while ensuring minimal systems downtime. Provides diagnoses, resolves, and documents hardware and software systems problems in a timely and accurate manner and provides end user training and support where required. Responsible for day-to-day operations of the in-place security solutions as well as the identification, investigation, and resolution of security breaches detected by those systems. Other tasks may include involvement in the implementation of new security solutions, participation in the creation and or maintenance of policies, standards, baselines, guidelines, and procedures. This position is onsite until a probationary period has been met, then shift to more Remote. It is full-time Monday-Thursday (36 hrs./week) with flexible work hours.
Cybersecurity Systems Administrator Responsibilities:
- Participate in the planning and design of enterprise security architecture.
- Participate in the creation of enterprise security documents (policies, standards, baselines, guidelines, and procedures).
- Support development and implementation of system infrastructure projects and new technology installations.
- Conduct research on technology products, services, protocols, and standards in support of systems procurement and development efforts.
- Maintain up-to-date detailed knowledge of the IT security industry, including awareness of new or revised security solutions, improved security processes, and the development of new attacks and threat vectors.
- Recommend additional security solutions or enhancements to existing security solutions to improve overall enterprise security.
- Perform the deployment, integration, and initial configuration of all new security solutions and of any enhancements to existing security solutions in accordance with standard best operating procedures and the enterprise's security documents.
- Manage company virtualization system, overseeing and completing vendor/hardware qualifications, architecture/design, installation, configuration, migration and documentation.
- Develop hardware inventory and replacement cycles.
- Deploy new systems and network devices to include provisioning of access controls and monitoring.
- Coordinate and implement cloud and local distribution, installation and configuration of new Hardware and Software.
- Process system access requests including building new IDs, changing existing system access, processing deletes and trouble-shooting password issues.
- Establish virtual private network (VPN) facilitating seamless communications and business application data input and processing between central and remote office locations.
- Apply cybersecurity policies and procedures and implement system measures to ensure compliance.
- Interface with business managers, end-users and technical staff for provisioning of access.
- Manage cybersecurity training program for executive management and general staff.
- Ensure all processes are in compliance with NIST800-171 controls and maintain passing score.
- Work with cybersecurity vendors to apply appropriate solutions to maintain compliance requirement.
- Develop and successfully execute disaster recovery plan for all systems at off-site recovery facility and maintain current knowledge of business continuity and disaster recovery plan executables. Respond to emergency system outages in accordance with business continuity and disaster recovery plans.
- Maintain a System Security Plan (SSP) and perform cybersecurity assessments on on-going bases.
- Work with auditors to gather the proper information for compliance audits and submit the information in a timely manner.
- Review logs and reports of all in-place devices, whether they be under direct control (e.g., security tools) or not (e.g., workstations, servers, network devices). Interprets the implications of that activity and devise plans for appropriate resolution.
- Participate in the design and execution of vulnerability assessments, penetration tests, and security audits.
- Provide on-call support for end users for all in-place security solutions.
- Maintain security solutions, including anti-virus, and intrusion detection systems.
- Maintain all systems hardware and equipment, including servers, routers, switches firewalls, and UPSs.
- Monitor and tests network performance and provide network performance statistics and reports.
- Receive and respond to incoming calls, messages, and/or e-mails regarding system problems.
- Recommend, schedule, and perform systems improvements, upgrades, and repairs.
- Practice I.T. asset management, including maintenance of system component inventory.
- Prepare, maintain, and adhere to procedures for logging, reporting, and systems monitoring.
Cybersecurity Systems Administrator Qualifications:
- College diploma or university degree in the field of computer science and/or 5 years equivalent work experience.
- Microsoft Certificate in Infrastructure.
- Knowledge in one or more hypervisor technologies implementation and management (e.g., VMware, Hyper-V, Xen Citrix, KVM).
- Solid Knowledge of systems administration in Windows Server environment including but not limited to Active Directory (AD), Distributed File System (DFS), and Group Policy Objects (GPOs).
- Knowledge in Microsoft Cloud Azure, Office365, One Drive, SharePoint and End-Point Security, Intune, Mobile Device Management (MDM).
- Solid knowledge of network and systems security protocols and encryption standards.
- Knowledge of DLP, Perimeter Defense, and End-point protection technologies.
- Experience with security architecture and system design.
- Familiarity with security compliance standards (e.g., NIST 800-171).
- Ability to develop and maintain IT security policies.
Cybersecurity Systems Administrator Required Qualifications:
- Excellent problem solving and analytical skills.
- Strong communication and interpersonal skills.
- Highly organized with an ability to prioritize tasks.
- Attention to detail and ability to think critically.
- Ability to collaborate with other teams in an IT environment.
- Ability to effectively prioritize and execute tasks in a high-pressure environment.
- Ability to present ideas in a professional business-friendly and user-friendly language.
- Team-oriented and skilled in working within a collaborative environment.
Benefits include, Yearly Bonuses, 4 Day Work Week (Monday-Thursday), Flexible Work Hours, 401(k), company ownership stock options, 7% Profit Sharing, Dental Insurance, Health Insurance, HRA Plan, Paid Time Off, Tuition Reimbursement, Vision Insurance, and Life Insurance.
Keywords: Wright City MO Jobs, Cybersecurity Systems Administrator, Cybersecurity, Windows Server, VMware, Hyper-V, Xen Citrix, KVM, Active Directory, AD, Distributed File System, DFS, Group Policy Objects, GPO, Microsoft Cloud Azure, Office 365, One Drive, SharePoint, End-Point Security, Intune, Mobile Device Management, MDM, Network, Security Protocols, Encryption, DLP, Perimeter Defense, End-point Protection, Systems Administration, Missouri Recruiters, Information Technology Jobs, IT Jobs, Missouri Recruiting
Looking to hire for similar positions in Wright City, MO or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire Cybersecurity Systems Administrators for jobs in Wright City, Missouri and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext. 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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