95 security administrator jobs at 59 companies in Missouri
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Senior Physical Security Administrator
O'Fallon, Missouri, United States
$48k-$74k/yrOnsiteFull Time
MastercardNYSE: MA: Global payment processing and financial technology service provider.
1+ YOENight shift security role requiring minimum 1 year in security or military/law enforcement and an associate degree or higher in law enforcement or criminal justice; valid driver’s license; high school diploma or equivalent.
Chenega Corporation: Provides professional government, defense, and facility support services.
3+ YOERequires LenelS2 and Milestone certifications, Security+ certification, and 3+ years as a systems administrator/engineer on security system platforms; strong background with security software, servers, databases, and enterprise installation/troubleshooting.
LenelS2, Milestone, Genetec, Honeywell, Avigilon, Bosch, MSWord, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
Silgan HoldingsNYSE: SLGN: Manufactures metal and plastic packaging for consumer goods.
7+ YOEMinimum 7 years of progressive systems administration or infrastructure engineering experience, enterprise environment experience, and expertise across servers, cloud, virtualization, storage, identity, security, and automation.
Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, VMware vSphere, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Pure Storage, Microsoft Azure, PowerShell
Tenex: AI-powered managed detection and response cybersecurity services.
3+ YOE3+ years IT administration experience; expert Google Workspace and Google Cloud Platform administration; identity management (Google Cloud Identity); experience with ZTNA, MDM, EDR (SentinelOne), SIEM (Splunk, Microsoft Sentinel, Google SecOps); cloud security (GCP, AWS, Azure); CI/CD, IaC; scripting with Python and PowerShell.
Google Workspace, Google Cloud Platform, Google Cloud Identity, SentinelOne, SIEM, Splunk, Microsoft Sentinel, Google SecOps, ZTNA, MDM, EDR, SOAR, APIs, CI/CD, Infrastructure as Code (IaC), Python, PowerShell, AWS, Azure
Austin or Boston or Charleston or Charlotte or Chicago or Dallas or Durham or Harrisburg or Houston or Irvine or Kansas City or Los Angeles or Miami or Nashville or New York or Newark or Palo Alto or Pittsburgh or Portland or Raleigh or San Francisco or Seattle or Washington or Wilmington
$98k-$184k/yrHybridFull Time
K&L Gates: Global law firm providing comprehensive legal and regulatory counsel.
5+ YOESenior technical lead for Microsoft Fabric with 5+ years Azure experience, 2+ years production Fabric experience, advanced SQL, governance/security, CI/CD, Purview, Entra ID, gateway and capacity administration.
Microsoft Fabric, OneLake, Microsoft Entra ID, Microsoft Purview, Azure DevOps, GitHub Actions, Power BI, ServiceNow, PowerShell, Python, Fabric Capacity Metrics App, Fabric Deployment Pipelines, Fabric REST API
Community Health SystemsNYSE: CYH: Operates a leading network of general acute care hospitals.
0+ YOE0-2 years security experience; BCLS; IAHSS or Facility Security Officer certification preferred; state licenses as required; strong observation and communication skills.
University of Central Missouri: Public university in the United States.
4+ YOEBachelor's degree in technology or related field; four years of Windows/Linux administration; knowledge of computer security, system analysis, networking, and server troubleshooting.
Windows Server, Linux, ADS, LDAP, Netscaler, IPVS, Firewall
Empower AI: Providing AI-enabled technology solutions for federal government agencies.
5+ YOERequires 5+ years of experience, a bachelor's in IT or related field, Secret clearance, and proficiency administering hardware, software, databases, security controls, backups, and service tickets. CompTIA Security+ and ITIL 4 preferred.
System Center Configuration Manager, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
Experitec: Provides industrial automation products and process control engineering services.
5+ YOE5+ years IT experience with 3+ years as a system administrator and 2+ years managing Windows Server; experience with Windows/Linux, virtualization (VMware), Active Directory/Azure AD, cloud (Microsoft Azure), scripting (PowerShell/Bash/Python), backup/DR, and enterprise security.
Windows Server, Linux, Active Directory, Azure Active Directory, Office 365, Group Policy, DNS, DHCP, VPN, VLAN, PowerShell, Bash, Python, VMware, vCenter, ESXi, Microsoft Azure, SAN, NAS, SIEM, SAML, LDAP, OIDC, SSO, Microsoft Copilot, GitHub Copilot
City of Independence: Provides municipal administration and public safety for Independence residents.
5+ YOEInstall, configure, and maintain ESRI ArcGIS Enterprise/Online and related applications; administer users and security; monitor servers; provide technical support; develop documentation; Azure administration; scripting with Python/JavaScript. Bachelor's preferred; 5+ years experience preferred; valid driver’s license; NIMS training required.
Pennsylvania or Maryland or Washington or North Carolina or Louisiana or Kentucky or Kansas or Indiana or Illinois or Georgia or Iowa or Florida or Colorado or California or Delaware or Connecticut or Arkansas or Arizona or Alabama or Alaska or Nevada or Vermont or Tennessee or Idaho or Oklahoma or Hawaii or Mississippi or Utah or New Hampshire or New Mexico or Wyoming or North Dakota or South Dakota or Rhode Island or West Virginia or Missouri or Texas or District of Columbia or Ohio or New Jersey or Oregon or South Carolina or Virginia or Massachusetts or Nebraska or Minnesota or Michigan or Wisconsin or New York or Maine or Montana
$79k-$127k/yrRemoteFull Time
Highmark Health: Provides health insurance and integrated medical care services.
3+ YOE3+ years DBA experience with Google Cloud (Cloud SQL, Spanner, AlloyDB), Terraform, Git, Google Cloud CLI/SDK, Python and familiarity with SQL Server; ability to manage operations, HA/DR, backups, security, and documentation.
Google Cloud Platform (GCP), Terraform, Git, Google Cloud CLI, Google Cloud SDK, Python, Cloud Run, Cloud SQL for PostgreSQL, Spanner, AlloyDB, SQL Server, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), PowerShell, SolarWinds DPA, Gemini, Claude, Duo, Copilot, MySQL
Missouri Department of Elementary and Secondary Education: State agency overseeing education programs and standards in Missouri.
Foundational networking and Windows server knowledge; user support, hardware management, backups, and security software maintenance; strong communication and organizational skills.
DNS, DHCP, TCP, Windows Server, Active Directory, Group Policy, Microsoft Hyper-V, Microsoft SQL Server, IIS, Microsoft 365
Barnes & Noble EducationNYSE: BNED: Operates campus bookstores and provides digital learning materials for students.
Administer and secure Windows infrastructure, perform patching, backups, PowerShell automation, support AD/IIS/Windows Server, and ensure compliance with security standards.
Active Directory, IIS, Windows Server, PowerShell, Microsoft SQL Server, VMware vSphere, VMware Horizon
Abile Group: Provides engineering and IT services to federal government agencies.
4+ YOETS/SCI with CI poly, Bachelor's in technical field, 4+ years relevant experience, DoD 8140.01/8570 IAT Level II, AWS infrastructure and Linux experience, scripting with Python/Bash, EM security practices.
Linux Systems Administrator - HPC (TS/SCI Clearance Required)
Alexandria or Chantilly or Springfield or Saint Louis
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance, strong Linux/RHEL administration, HPC cluster (Slurm/MPI) experience, STIG/IAVA remediation, VM backup experience, scripting for automation, and DoD 8570-compliant certification (e.g., Security+).
Oregon or Delaware or Connecticut or Arizona or Nebraska or Missouri or Michigan or California or Colorado or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Texas or Washington or Virginia or Alaska or San Francisco or New York City
$69k-$136k/yrRemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
2+ YOEMinimum 2 years hands-on DLP/CASB or information security experience, strong networking and systems administration skills, bachelor\u0002s degree or equivalent preferred, excellent communication and troubleshooting.
Data Loss Prevention (DLP), Cloud Access Security Broker (CASB), Proofpoint, Symantec, McAfee/Trellix, Forcepoint, CloudSOC/Elastica, Skyhigh, Netskope, Windows Server, Unix/Linux, Microsoft SQL Server, Oracle, Regex, Python, PowerShell, Bash, Perl, Java