System Administrator Jobs in O Fallon, MO
A System Administrator, commonly referred to as a SysAdmin, is an essential figure in the technology industry, primarily responsible for setting up and maintaining an organization's computer systems. They ensure that the systems are running smoothly and effectively, which includes the necessary software updates, system installations, implementing and maintaining system security measures, troubleshooting problems, and providing technical support. Additionally, System Administrators may also be responsible for managing the network infrastructure, which includes routers, switches, firewalls, and other equipment.
To become a competent System Administrator, several skills are necessary. These include proficiency in operating systems, scripting, networking, security, and troubleshooting. Familiarity with database management, cloud computing, and virtualization are also advantageous. A System Administrator should have a good understanding of many, if not all, aspects of an IT system. Some of the most recognized certifications for System Administrators include Microsoft Certified: Azure Administrator Associate, Red Hat Certified System Administrator (RHCSA), CompTIA A+, and Network+. Prior to becoming a System Administrator, an individual might have roles such as Help Desk Technician, Network Support Specialist, or IT Analyst. These roles provide the foundational knowledge and experience needed for a successful career as a System Administrator.
Systems Engineer (Entry-Level or Associate)
- Hazelwood, MO (17 miles from O Fallon, MO)
- 3 days ago
- Hazelwood, MO (17 miles from O Fallon, MO)
- 3 days ago
At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great...
- Hazelwood, MO (17 miles from O Fallon, MO)
- 14 days ago
- Hazelwood, MO (17 miles from O Fallon, MO)
- 14 days ago
Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive,...
balancers and web application firewalls Knowledge of network and operating system principles Knowledge of automation using Chef and Jenkins is a plus Strong communication skills Detail oriented 24...
Affiliation Integration Specialist (AI Specialist) - Remote
- Creve Coeur, MO (19 miles from O Fallon, MO)
- 1 day ago
- Creve Coeur, MO (19 miles from O Fallon, MO)
- 1 day ago
Affiliation Integration Specialist, Home Office Do you exhibit the commitment to support Heartland Dental's Vision and Mission in a leadership role? Do you want to be a part of a business segment...
Remote Work- Earth City, MO (13 miles from O Fallon, MO)
- 1 day ago
- Earth City, MO (13 miles from O Fallon, MO)
- 1 day ago
At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and...
SW Engineer 1 (Mainframe Developer)
- Earth City, MO (13 miles from O Fallon, MO)
- 3 days ago
- Earth City, MO (13 miles from O Fallon, MO)
- 3 days ago
At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and...
Project Manager-Data Center/Infrastructure
- Maryland Heights, MO (15 miles from O Fallon, MO)
- 3 days ago
- Maryland Heights, MO (15 miles from O Fallon, MO)
- 3 days ago
An employer is looking to add a Project Manager to their team in St. Louis, MO. This person will be responsible for managing multiple infrastructure/data center facilities related projects. They...
Phantom Works Proprietary - Systems Engineer (Experienced or Lead)
- Berkeley, MO (20 miles from O Fallon, MO)
- 4 days ago
- Berkeley, MO (20 miles from O Fallon, MO)
- 4 days ago
Phantom Works Proprietary - Systems Engineer (Experienced or Lead) Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking Systems Engineers to join the Phantom Works Systems...
Learning Management Systems Administrator - REMOTE
- Chesterfield, MO (15 miles from O Fallon, MO)
- 5 days ago
- Chesterfield, MO (15 miles from O Fallon, MO)
- 5 days ago
We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique...
Remote Work- Chesterfield, MO (15 miles from O Fallon, MO)
- 5 days ago
- Chesterfield, MO (15 miles from O Fallon, MO)
- 5 days ago
The ERP Systems Administrator is pivotal in managing and optimizing the organization's materials management software systems (Fishbowl) and transition to our ERP system (SAP)....
System Design & Integration Specialist (Associate or Mid-Level)
- Hazelwood, MO (17 miles from O Fallon, MO)
- 5 days ago
- Hazelwood, MO (17 miles from O Fallon, MO)
- 5 days ago
System Design & Integration Specialist (Associate or Mid-Level) Company: The Boeing Company The Boeing Company is looking for a highly experienced and detail-oriented System Design & Integration...
- Chesterfield, MO (15 miles from O Fallon, MO)
- 8 days ago
- Chesterfield, MO (15 miles from O Fallon, MO)
- 8 days ago
Understanding of networking concepts, including subnets, load balancers, and VPNs....
- Clayton, MO (24 miles from O Fallon, MO)
- 9 days ago
- Clayton, MO (24 miles from O Fallon, MO)
- 9 days ago
Description An employee in this job class is responsible for analyzing and optimizing IT systems and processes within the Police IT Unit. The IT Systems Analyst works closely with stakeholders to...
Remote WorkSite Reliability Engineer - Cloud
- Creve Coeur, MO (19 miles from O Fallon, MO)
- 10 days ago
- Creve Coeur, MO (19 miles from O Fallon, MO)
- 10 days ago
Site Reliability Engineer - Cloud LSEG (London Stock Exchange Group) 795 Office Parkway (Show on map) Jun 03, 2025 Site Reliability Engineering Our Team We are evolving our Reliability Engineering...
Experienced Systems Engineer (Systems Architecture & Def)
- Saint Charles, MO (13 miles from O Fallon, MO)
- 16 days ago
- Saint Charles, MO (13 miles from O Fallon, MO)
- 16 days ago
Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive,...
Demographic Data for O Fallon, MO
Moving to O Fallon, MO? Find some basic demographic data about O Fallon, MO below.
System Administrator Online Courses and Training Opportunities
Title Synonyms
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Salary for System Administrator Jobs in O Fallon, MO
Required or preferred licenses and certifications for System Administrator positions.
Highest Education Level
System Administrators in O Fallon, MO offer the following education backgroundQualifications / Skill Sets
The following top skills are often required or desired to land a System Administrator position
- Computer Science
- vSphere
- Puppet Software
- Docker
- Terraform
- GitLab
- Red Hat Enterprise Linux
- Kubernetes
- Operating Systems
- Windows Server
- Ansible
- DevOps
- DHCP
- DNS
- Cloud Services
- Jenkins CI
- Firewall
- Software Development
- Configuration Management
- Infrastructure Management
- Windows PowerShell
- Backup
- Bash
- VMware
- Scripting
- Virtualization
- Systems Administration
- Architectural Design
- Microsoft Azure
- Amazon Web Services
- Linux
- Disaster Recovery
- Designing
- Agile
- Optimization
- Installation
- Resolution
- Microsoft Active Directory
- Information Technology
- Artificial Intelligence
- Computer Programming
- SQL
- Python
- Networking
- Engineering
- Microsoft Windows
- Military Background
- Implementation
- Troubleshooting
- Collaboration
- Mentoring
- Documentation
- Bachelor's Degree
- Reporting
- Problem Solving
- Research Skills
- Organization
- Scheduling
- Leadership
- Communication Skills
Other Career Titles
Here are some other career titles that require similar skills
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