Last updated: 2025-07-24
9 It Systems Administration jobs in St. Louis.
General Dynamics
A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. governmen…
St. Louis
- Skills: Virtualization, Citrix Virtual Apps, VMware, Disaster Recovery, Application Sequencing, Cloud, ITIL, Microsoft App-V, Security Clearance, Application Delivery
- Level: mid
- Type: full_time
CeLeen
CeLeen, an operating firm of Command Holdings, is a tribally-owned firm providing management consulting services to U.S. government agencies.
O'Fallon
- Skills: systems engineering, managed IT services, UNIX, Linux, cloud environments, Azure, AWS, Microsoft Windows Server, security clearance, authentication protocols
- Level: mid
- Type: contract
Spectrum
Charter Communications is known in the United States by our Spectrum brands, including: Spectrum Internet®, TV, Mobile and Voice, Spectrum Networks, Spectrum B…
Maryland Heights
- Skills: Cybersecurity, EDR, CASB, Web Filtering, DDoS mitigation, AWS, network security, endpoint security, Security Incident Response, vulnerabilities
- Level: mid
- Type: full_time
Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the gala…
St. Louis
- Skills: Cloud Engineer, Cloud Infrastructure, GEOINT solutions, Systems Engineering, Cloud Certifications, Scripting, SAN Storage, Microsoft SQL, Polygraph Clearance, Agile Methodologies
- Level: senior
- Type: full_time
The Boeing Company
BGS Government Training Engineering (GTE) is seeking a Systems Engineer (Associate & Mid-Level) for the Visuals Systems Engineering team in Hazelwood, MO.
Hazelwood
- Skills: Systems Engineering, Visual Display Systems, Image Generators, Cybersecurity, Windows Operating Systems, Linux Operating Systems, Networking Configuration, Graphics Hardware, Display Configuration, Performance Testing
- Level: mid
- Type: full_time
Tapestry - G0G
Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information s…
Hazelwood
- Skills: System Administration, Security Clearance, CompTIA Security+, Networking, Server Maintenance, Backup and Recovery, Troubleshooting, IT Support, Infrastructure Improvement, User Permissions
- Level: mid
- Type: full_time
Boeing
Boeing is committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. …
Hazelwood
- Skills: System Administrator, Security Clearance, CompTIA Security+, Windows, Linux, server installation, networking concepts, troubleshoot, data recovery, IT infrastructure
- Level: mid
- Type: full_time
Agile Defense
Agile Defense is dedicated to bringing adaptive innovation to support the nation's most important missions through the seamless integration of advanced technol…
O'Fallon
- Skills: RHEL, AWS, Linux, system administration, security certificates, cloud technologies, Unix shell scripting, system configuration, troubleshooting, virtualization
- Level: mid
- Type: full_time
Spire Inc.
At Spire, we believe energy exists to help people. To enrich their lives, grow their businesses, advance their communities. It’s a simple idea, but one that’s …
St. Louis
- Skills: Linux, server administration, Ansible, Puppet, VMWare, Active Directory, scripting, troubleshooting, file systems, networking
- Level: mid
- Type: full_time
INflow Federal
Founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions in Network Modernization, Cybersecurity, and Data Moderniz…
St. Louis
- Skills: Windows Server Administration, vSphere Operations, OVF Templates, GitLab, SCCM/ConfigMgr, Server Patching, Group Policies, Active Directory, PowerShell, Cybersecurity
- Level: mid
- Type: full_time
Oakwood Systems Group Inc.
St. Louis
- Skills: Security Systems, DLP, SIEM, UEBA, Endpoint Protection, Risk Assessments, Incident Response, Forensics, Azure, PowerShell
- Level: mid
- Type: full_time
LightEdge Solutions
St. Louis
- Skills: IBMi, AS/400, IBM Power, networking, MIMIX, PowerHA, BRMS, HMC, TCP/IP, system administration
- Level: mid
- Type: full_time
Boeing
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, respe…
Saint Charles
- Skills: Systems Integration, Windows Server, VMware, Active Directory, Automated Processes, Storage Technologies, Backup Technologies, Agile Methodology, Database Technologies, Networking
- Level: mid
- Type: full_time
Mallinckrodt
Webster Groves
- Skills: LAN, WAN, network security, Cisco, VoIP, firewalls, project management, routing protocols, network management, OSI model
- Level: senior
- Type: full_time