Sr. Systems Administrator Chenega CorporationSr. Systems AdministratorSt Louis, MOProficient with Microsoft Office Applications, and experience working in a home office setting as well as the ability to train end users on frequently asked technical issues. Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
Systems Administrator / Systems Infrastructure Lead EPS CorporationSystems Administrator / Systems Infrastructure LeadScott Air Force Base, ILJob Type Full-time Education Bachelor's Degree Career Level Manager Category Information Technology Job Description EPS Corporation is looking for a Sr System Administrator that leads systems administration for all in-scope physical and virtual server infrastructure, storage, and Active Directory services supporting U.S. Army Transportation Command (ARTRANS) C4ISR and distribution operations worldwide. Install, configure, patch, and maintain physical/virtual server OS (Windows Server 2019/2022, RHEL 8/9), SAN/NAS (NetApp ONTAP), and VMware vSphere/vCenter.
Systems Administrator DataServ MissouriSystems AdministratorSt. Louis, MORemoteFull timeDataServ specializes in developing and delivering Exceptions-based Intelligent Accounts Payable Invoice Automation (APIA) SaaS that always delivers substantial ROI.Founded in 1994, the company created the world's first FinTech Software as a Service (SaaS) technology. The Systems Administrator II is responsible for maintaining the DataServ Software-as-a-Service (SaaS) solutions on the Amazon Web Services (AWS) platform, providing Tier 3 infrastructure and application support and working on diverse internal projects.
NewSystems Administrator SaaS Meridian SystematicsSystems Administrator SaaSSt. Louis, MOFull timeThis role provides direct, on-the-floor technical support, managing virtualized endpoints, automating software deployments, and resolving complex hardware and software anomalies in a high-tempo, multi-mission environment. Operations & User Administration: Manage service accounts, allocate computing resources, evaluate vendor products, recommend hardware/software upgrades, and ensure robust backup and recovery processes.
Senior Systems Administrator LeidosSenior Systems AdministratorSaint Louis, MissouriAs a trusted technical expert, you’ll work alongside talented engineers, cybersecurity professionals, and customer stakeholders to deliver innovative solutions, optimize enterprise infrastructure, and keep mission-essential capabilities operating at peak performance. July 28, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Systems Administrator - 2nd Shift The Timberline GroupSystems Administrator - 2nd ShiftSaint Louis, MissouriDescription: The Systems Administrator is responsible for testing, implementing, maintaining, and supporting moderately complex components of the systems infrastructure and the associated tools. You will provide issue and problem resolution for moderately complex issues and perform disaster recovery exercises associated with Infrastructure Tools.
Systems Administrator – AWS GovCloud (DoD Classified Environments) NV5Systems Administrator – AWS GovCloud (DoD Classified Environments)Saint Louis, MissouriOverview: We are seeking a mission-focused and security-cleared Systems Administrator with deep experience in AWS GovCloud (US) to support classified Department of Defense (DoD) cloud infrastructure. The successful candidate will architect, manage, secure, and maintain resilient systems and services operating within AWS GovCloud, ensuring compliance with DoD regulations and security frameworks.
NewSr. Systems Administrator EXOS (formerly Sondhi Solutions)Sr. Systems AdministratorSaint Louis, MOThese roles support all aspects of end user hardware and print systems, including end user support, fleet health and management, and next generation device evaluation, integration, and deployment. The Engineer also maintains and enhances internally developed print and fax systems while driving improvements to end user experience and operational efficiency.
Systems Administrator Empower AI Inc.Systems AdministratorSt Louis, MissouriFull timeResponsibilities include supporting Risk Management Framework (RMF) activities such as vulnerability management, security control implementation, continuous monitoring, audit support, and maintaining required cybersecurity documentation to help ensure systems remain compliant and authorized to operate. Highlights of Responsibilities : Administer, maintain, and support Windows servers, workstations, laptops, tablets, printers, virtual machines, and associated IT infrastructure supporting the U.S. Army Print and Media Distribution Division (USAPMDD).
Linux Systems Administrator/ Platform Support Yantran LLCLinux Systems Administrator/ Platform SupportSt. Louis, MOJob Description: Linux Systems Administrator, Platform Support to provide support of technical hardware and software expertise in support of Linux Operating systems and platforms. This is a senior-level IT support position, with the expectation that the candidate has the advance Linux skills and knowledge with the ability to learn proprietary systems fast.
Senior Systems Administrator Ennoble FirstSenior Systems AdministratorSt. Louis, MO$125,000–$150,000 / yearWorking alongside engineers, cybersecurity professionals, and customer stakeholders, you will optimize enterprise infrastructure, support mission operations, and maintain the technologies that keep critical capabilities available to users across the enterprise. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
IT Systems Administrator Control Devices LLCIT Systems AdministratorFenton, MOFull timeKey Responsibilities:Server & Virtualization InfrastructureAdminister and maintain Windows Server environments: Active Directory, DNS, DHCP, GPO, file/print services, and certificate servicesManage VMware vSphere virtualization platform including host maintenance, VM lifecycle, snapshots, and capacity planningMaintain on-premises and hybrid infrastructure supporting Microsoft 365 / Entra ID (Hybrid Join, Entra Cloud Sync, SSCP)Cloud & Identity AdministrationServe as platform-level owner for Microsoft 365 and Entra ID: tenant administration, conditional access, MFA policies, licensing, and group managementAdminister Exchange Online, Teams, and SharePoint at the platform/governance levelOwn MDM platform administration (Microsoft Intune): compliance policies, configuration profiles, app deployment, and enrollment workflowsNetwork & Security InfrastructureMaintain and administer network infrastructure including Cisco firewall rules, VLANs, VPN, and inter-site connectivityLead endpoint security operations: antivirus policy management, patching, and vulnerability remediationAdminister email security platforms (e.g., Avanan/Check Point) and support security audits and access reviewsOwn backup infrastructure and disaster recovery procedures including verification and documentationSQL Server & Data InfrastructureAdminister SQL Server instances across the environment: maintenance plans, backup/restore, SQL Agent jobs, availability, and patchingCoordinate with application and reporting teams on database performance, linked server configurations, and instance migrationsSupport SSRS infrastructure and reporting services availabilityMentorship & EscalationServe as Tier 3 escalation for issues beyond the IT Systems Specialist's scopeProvide guidance and knowledge transfer to help desk and junior IT staffMaintain infrastructure documentationRequired Education:Bachelor's degree in information technology, Computer Science, Information Systems, or a related field required. Control Devices (or "CDI"), an HBM Holdings company headquartered in Greater St. Louis, is a leading designer and manufacturer of engineered flow control solutions in the compressed gas, compressed air, oil & gas, and liquid controls markets.
Jr. Systems Administrator Foxhole TechnologyJr. Systems AdministratorBelleville, IL$60,000–$71,000 / yearIllinois Pay Range $60,000—$71,000 USD Requirements of position: Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world .
AWS ECDS Systems Administrator Abile Group, Inc.AWS ECDS Systems AdministratorSt. Louis, MissouriWith significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities. Abile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005.
Systems Administrator / VMware The Timberline GroupSystems Administrator / VMwareAffton, MissouriThis role combines technical leadership with hands-on work across enterprise systems, infrastructure projects, and operational improvements. Perform hands-on work including server installs, networking, and hardware support.
Systems Administrator GrvtySystems AdministratorSaint Louis, MissouriKnowledge of: Microsoft System Center Configuration Manager PowerShell Virtualization Environments (VMware, Citrix) Profile management utilizing the VMware User Experience Management (UEM) toolset Microsoft Exchange Telephone/Video support Networking Familiarity with site specific customer and mission. System Administrative Advisory duties to include management of Windows and Linux workstations on EVDI and physical: Troubleshooting application functionality, crash and performance Investigate user performance and work with external teams to improve user experience.
Linux Systems Administrator - HPC (TS/SCI Clearance Required) North Point TechnologyLinux Systems Administrator - HPC (TS/SCI Clearance Required)St. Louis, MODuties will include working directly with government and contractor POCs to troubleshoot issues, proactively recommending configuration changes to improve system performance, partnering with stakeholders to keep systems security compliant, and authoring and updating operational and security documentation, including troubleshooting guides and SOPs. The ideal candidate has strong Linux system administration experience and a proven background in the installation, configuration, administration, support, and maintenance of mission-critical cloud and on-premise systems.
IT Systems Administrator River City Casino & HotelIT Systems AdministratorSt. Louis, MissouriFull timeWe’ve grown to become the leading provider of integrated entertainment, sports content, and casino gaming experiences thanks to our 43 destinations across North America, online sports betting and iCasino via theScore Bet Sportsbook and Casino®. S.) in computer science or related major field from four-year college or university; or 2-6 years related experience and/or training; or equivalent combination of education and experience.
Sr. Systems Engineer - SQL Database Administrator. US BankSr. Systems Engineer - SQL Database Administrator.Earth City, MO$105,400–$124,000 / yearIn addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures. Perform database installations, configurations, patching, upgrades, migrations, and lifecycle management activities for production and non-production environments.
System Administrator - Senior DecisionPoint | CortekSystem Administrator - SeniorScott Air Force Base, IllinoisFull timeOverview: DecisionPoint seeks a Senior System Administrator to provide senior-level systems administration, operations, maintenance, and technical support for Global Information Technology Support Services supporting the Military Surface Deployment and Distribution Command (SDDC) Deputy Chief of Staff for Information Management (G6). Administer Active Directory and core enterprise services, including user and computer accounts, security groups, permissions, Group Policy, DNS, DHCP, SMTP, file shares, certificate services, DoD PKI, and email/account request processes.