95 security administrator jobs at 59 companies in Missouri

2mo
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Senior Physical Security Administrator
O'Fallon, Missouri, United States
$48k-$74k/yr OnsiteFull Time
Mastercard
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.
2mo
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System Administrator
St Louis, Missouri, United States
OnsiteFull Time
Chenega Corporation
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
2mo
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Network Administrator
St. Louis, Missouri, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: N/A
5+ YOEBachelor's degree; 5+ years in network administration; TCP/IP, DNS, DHCP, VPN, VLAN; network security; strong communication and problem solving.
TCP/IP, DNS, DHCP, VPN, VLAN
3d
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Systems Administrator
Chesterfield, Missouri, United States
HybridFull Time
Silgan Holdings
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
2mo
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IT Administrator
Overland Park or Kansas City
HybridFull Time
Tenex
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
1w
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Fabric Administrator
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/yr HybridFull Time
K&L Gates
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
2mo
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Target Security Specialist
Florissant, Missouri, United States
OnsiteFull Time
Target
TargetNYSE: TGT: Operates a chain of general merchandise stores and supermarkets.
Security specialist responsible for loss prevention, incidents, guest safety, and security operations at Target store.
video surveillance system, handheld scanners, case management system
2mo
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Security Officer (PRN, Nights)
Poplar Bluff, Missouri, United States
OnsitePart Time
Community Health Systems
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.
3mo
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System Administrator I
Warrensburg, Missouri, United States
$58k/yr OnsiteFull Time
University of Central Missouri
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
2w
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Database Administrator
St. Louis or Chantilly or Springfield
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEActive TS/SCI clearance (polygraph capable), Bachelor\u0002s degree, 7+ years database experience, AWS Cloud Practitioner, Oracle/Grid/ASM/Enterprise Manager, Linux, scripting, AWS services, and IT security experience.
Oracle, SQL Server, PostgreSQL, MySQL, MarkLogic, MongoDB, DynamoDB, RMAN, Oracle Grid Infrastructure, ASM, Oracle Enterprise Manager Cloud Control, Momentum, PeopleSoft, Linux, AWS, EC2, EBS, DMS, Lambda, S3
1d
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Site System Administrator
Kansas City, Missouri, United States
$77k-$119k/yr OnsiteFull Time
Empower AI
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
1mo
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System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
Experitec
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
1mo
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Systems Administrator I or II
Independence, Missouri, United States
$60k-$109k/yr HybridFull Time
City of Independence
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.
ESRI ArcGIS Enterprise, ArcGIS Online, ESRI ArcGIS Server, Portal for ArcGIS, ArcPro, ESRI Fieldmaps, REST, SOAP, Python, JavaScript, Microsoft Azure, RBAC
3w
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Cloud Database Administrator
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/yr RemoteFull Time
Highmark Health
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
3mo
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Salesforce Administrator II
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
2+ YOESalesforce FSC configurations, security, data management, CI/CD, audits, and stakeholder collaboration.
Copado, Gearset, Salesforce
2mo
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Entry-Level Systems Administrator
Jefferson City, Missouri, United States
$45k/yr OnsiteFull Time
Missouri Department of Elementary and Secondary Education
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
1mo
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Sr. Windows System Administrator
Columbia, Missouri, United States
$58k-$64k/yr OnsiteFull Time
Barnes & Noble Education
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
2w
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AWS ECDS Systems Administrator
St. Louis, Missouri, United States
OnsiteFull Time
Abile Group
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.
AWS, EC2, EBS, VPC, IAM, AWS CLI, CloudFormation, Python, Bash
2mo
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Linux Systems Administrator - HPC (TS/SCI Clearance Required)
Alexandria or Chantilly or Springfield or Saint Louis
OnsiteFull Time
North Point Technology
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+).
Linux, RHEL, Slurm, MPI, STIG, IAVA, Jira, Confluence
2w
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Systems Security Engineer I
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/yr RemoteFull 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