149 information security engineer jobs at 60 companies in O'Fallon, IL
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Principal Information Security Engineer
St Louis, Missouri, United States
$130k-$160k/yr HybridFull Time
7+ YOEBachelor's or equivalent experience,7+ years information security experience,Security+ required; CISSP/CISM/GIAC preferred; experience with network security,IAM,endpoint security,vulnerability management,and SIEM; strong communication and analytical skills.
SIEM, IAM
1w
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Staff Information Security Engineer
Lubbock or Roanoke or Charlottesville or Columbia or Dallas or Raleigh or Waco or Albuquerque or Charleston or Kansas City or St. Louis or Little Rock or Charlotte or Waynesboro or Knoxville or Charleston or Cedar Rapids or Lincoln
$116k-$140k/yr HybridFull Time
10+ YOE10+ years experience in information security, strong networking and OS knowledge, scripting (Python or PowerShell), SIEM and cloud security familiarity, incident response and compliance experience.
Python, PowerShell, Splunk, Splunk ES, SIEM, Terraform, Ansible, git, AWS, Microsoft Azure, Office 365, BurpSuite, Entra, Intune, DLP, EDR, MDR, XDR, PKI, SSL/TLS
4w
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Mid Security Information Assurance Engineer
Denver or Springfield or Sterling or St. Louis
$63k-$130k/yr OnsiteFull Time
4+ YOETS/SCI clearance required, 4+ years security engineering or information assurance, experience with NIST RMF, STIG hardening, ACAS/Nessus, IAT Level II (DoD 8570/8140), ability to work onsite at government facilities.
STIG, ACAS, Nessus, Kubernetes, AWS, C2S, CI/CD, Electronic Medical Records (EMR)
4w
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Mid Security Information Assurance Engineer
Denver or St. Louis or Sterling or Springfield
$63k-$130k/yr OnsiteFull Time
4+ YOETS/SCI clearance, Bachelor's in cybersecurity/computer science or equivalent experience, 4+ years security engineering, RMF and STIG experience, ACAS/Nessus, IAT Level II (Security+ CE), ability to work on-site.
STIG, ACAS, Nessus, Kubernetes, AWS, C2S, CI/CD
1mo
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Information System Security Engineer
Scott Air Force Base, Illinois, United States
OnsiteFull Time
3+ YOEActive Secret clearance, 3+ years cybersecurity engineering experience, hands-on STIG/SCAP/Tenable experience, CEH and DoD 8140.03M DCWF Basic Tier certification required, strong documentation and communication skills.
STIG Viewer, SCAP Compliance Checker, Tenable Security Center, Tenable Cloud Security, CyberArk Privileged Access Management (PAM)
2mo
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Security Engineer
Clayton, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's in Information Systems or 3+ years IT Security; or 5+ years in IT Security. Strong collaboration and communication skills. Hands-on security experience.
Next-gen firewall, Endpoint security, Security Information and Event Management (SIEM), Vulnerability scanners, Certificate management
2mo
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Security Engineer
Clayton, Missouri, United States
OnsiteFull Time
3+ YOEBachelor’s degree in Information Systems and 3 years IT security experience or 5+ years in IT Security; strong collaboration and communication skills; hands-on security tech experience.
Next-gen firewall, Endpoint security, Security Information and Event Management, Vulnerability scanners, Certificate management
3w
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Security Engineer
Kansas City or Atlanta or Clayton or New York or Los Angeles or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or Wilmington or Washington
$120k-$150k/yr RemoteFull Time
2+ YOE2-4 years security engineering experience in on-premises environments, Bachelor's in CS/CE/IS or equivalent, experience with metrics/events/logging, detection engineering, scripting (Python, PowerShell), Microsoft Active Directory and Azure.
Splunk, Microsoft Active Directory, Azure, SIEM, Python, PowerShell, Microsoft Teams, Zoom, MITRE ATT&CK Framework, NIST Cyber Security Framework, CIS Controls
1w
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Security Engineer- Application Security & Cloud
Chesterfield or Mt Sterling
$87k-$131k/yr OnsiteFull Time
2+ YOE2+ years experience in software/cloud/DevOps or security; bachelor's or equivalent; experience with .NET/Python/Azure; knowledge of secure development, API security, auth, and secrets management.
.NET, Python, Azure, Azure DevOps, GitHub Actions, Docker, Kubernetes, Terraform, Bicep, OWASP Top 10, NIST AI Risk Management Framework
2mo
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AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's degree,2+ years information security or software development experience,knowledge of application and AI security,experience with SAST/DAST/SCA/API security,AWS,Python,C#,GitHub;CISSP/CSSLP/GIAC preferred.
C#, Angular, Python, AWS, GitHub, SAST, DAST, SCA, API, Mobile, AI Coding assistants, MCPs, CI/CD
1mo
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Virtru Security Engineer
Scott Air Force Base, Illinois, United States
$99k-$225k/yr HybridFull Time
Experience designing and deploying data security solutions (Virtru), data-centric security models, Kubernetes/Docker, infrastructure-as-code (Terraform/Ansible), security automation for CI/CD, and security monitoring; Secret clearance and HS diploma/GED required.
Virtru, Terraform, Ansible, Kubernetes, Docker, Go, Python, Node.js, BigID, Forcepoint, Ping, SailPoint, CNAP, SIEM, CSPM, CWPP
1mo
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Security Engineer
Bridgeton, Missouri, United States
OnsiteFull Time
7+ YOE7+ years IT experience with 3+ years in security; experience with Microsoft Office 365, Azure, Active Directory, PowerShell; strong networking, incident response, forensics, and communication skills.
Data Loss Prevention (DLP), SIEM, UEBA, Microsoft Office 365, Azure, Active Directory, PowerShell, Regular Expressions
1w
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Security Engineer IV - Exposure Management
Tempe or St. Louis
HybridFull Time
7+ YOEBachelor's in IT or related and 7+ years in information security; experience with on‑prem/cloud/hybrid platforms, vulnerability/configuration/posture management, penetration testing, automation, reporting, and cross‑team collaboration.
3mo
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Virtru Security Engineer
Fort Meade or Pensacola or Mechanicsburg or Columbus or San Antonio or Ford Island or Scott AFB or Tinker AFB or Hill AFB
$99k-$225k/yr OnsiteFull Time
3+ YOE3+ years designing and deploying data security solutions; experience with data security tools (e.g., Virtru); security architecture and cloud knowledge; Kubernetes and Docker; data tagging/classification; Zero Trust concepts; ability to travel up to 20%; Secret clearance; HS diploma or GED.
Terraform, Ansible, Kubernetes, Docker, CI/CD, Vulnerability Scanning, CNAP, SIEM, CSPM, CWPP, Go, Python, Node.js
2mo
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Security Engineer
St. Louis or Kansas City or Israel
$80k-$150k/yr HybridFull Time
2+ YOE2+ years cybersecurity/SOC experience, hands-on AWS knowledge, AWS entry-level certification (e.g., Cloud Practitioner), Python proficiency, SIEM and log-pipeline experience, and detection engineering skills.
AWS, Python, SIEM, Sigma, SPL, KQL, SQL, YARA, Terraform, CloudFormation, CDK, LLMs
1mo
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Security Engineer II - CSIR
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's in CS/IS/cybersecurity or equivalent experience, 2+ years in IT/security, incident identification and response, troubleshooting, familiarity with security tooling and SIEM/UEBA, strong communication and multitasking.
Microsoft 365, Microsoft Excel, Microsoft Outlook, SIEM/UEBA, firewalls, intrusion detection systems, endpoint detect response, anti-virus, anti-malware, authentication systems, ticketing systems, monitoring tools
2w
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Sr. Cyber Security Engineer
St. Louis, Missouri, United States
$81k-$157k/yr FieldFull Time
5+ YOE5+ years cybersecurity experience, 5+ years operational security support, SOAR and content management experience, security certifications, bachelor's in CS/InfoSec preferred, Python and OS proficiency.
SIEM, MEDR, SOAR, Python, Microsoft Windows, RHES, CentOS, Ubuntu Linux, MacOS
2w
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Sr. Cyber Security Engineer
St. Louis, Missouri, United States
$81k-$157k/yr RemoteFull Time
5+ YOE5+ years cybersecurity experience, SOC/MSSP background, content development experience, industry security certifications, bachelor's degree preferred, strong communication and independent work skills.
SIEM, MEDR, SOAR, Python, Microsoft Windows, RHES, CentOS, Ubuntu Linux, MacOS
1w
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Infrastructure Security Engineer, Public Sector
New York City or St. Louis or Washington
$149k-$342k/yr OnsiteFull Time
Top Secret clearance required. Experience securing large cloud environments, infrastructure-as-code review, Kubernetes and cloud-native services, scripting (NodeJS/TypeScript/Python), and security tooling.
AWS, Azure, GCP, NodeJS, TypeScript, Python, Kubernetes, Terraform, CloudFormation, SAST, DAST, JavaScript
1d
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Security Engineer and IT Systems Admin.
St. Louis or Jefferson City
OnsiteFull Time
2+ YOEActive Secret clearance, bachelor's degree or equivalent experience, Security+ or higher certification, and at least 2 years in cybersecurity, information assurance, system administration, or IT operations.
Risk Management Framework (RMF), Security Control Assessments (SCAs), Change Control Board (CCB), VM images, Department of Defense Instruction (DoDI), National Institute of Standards and Technology (NIST), Security Technical Implementation Guide (STIG), Assured Compliance Assessment Solution (ACAS), Nessus, Security Content Automation Protocol (SCAP) Compliance Checker (SCC), Enterprise Mission Assurance System (eMASS), Control Correlation Identifiers (CCI), Committee on National Security Systems Instruction (CNSSI), ISEC-MED, Plan of Action and Milestones (POAM), Security Control Assessor-Validator (SCA-V), Security Impact Analyses (SIA), Windows
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