Security Engineer Jobs in Saint Louis
20 live Security Engineer roles in Saint Louis, United States. Apply directly on Haystack.
Last updated 1 October 2026. Job counts refresh daily.
As of 1 October 2026, Haystack lists 20 live Security Engineer jobs in Saint Louis, with 4 added in the past week. Employers hiring right now include CACI, Edward Jones and D2 Consulting.
Top companies hiring
plus 6 more companies hiring in this category
- EJ
Security Engineer IV - API/Cloud Security
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoPHPShellOWASP+6Technology - EJ
Senior Security Engineer - Non-Human Identity
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoMicroservicesAWSOAuth+14Technology - AM
Vulnerability Assessment Analyst with Security Clearance
NewAmyx Inc
Saint Louis, MO馃嚭馃嚫HybridYesterdayMicrosoft Office - DC
Senior Endpoint Security Engineer with Security Clearance
D2 Consulting
Saint Louis, MO馃嚭馃嚫Hybrid3 days agoVMwareTechnology - AG
Advanced Cybersecurity Analytics with Security Clearance
NewAbile Group, Inc.
Saint Louis, MO馃嚭馃嚫HybridYesterdayBashPowerShellPythonTechnology - AG
Cyber Data Analysis Engineer with Security Clearance
NewAbile Group, Inc.
Saint Louis, MO馃嚭馃嚫HybridYesterdayOpenStackAWSSplunk+6Technology - EJ
Application Security Architect - AI Harness
Edward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 weeks agoOWASPGitHub ActionsJenkins+1Technology - CA
Information Systems Security Officer with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid3 days agoAWSTechnology - CA
Cyber Data Analyst Engineer with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid5 days agoRubyAWSAnsible+5Technology - CU
Senior Cyber Security Engineer with Security Clearance
NewCubic Corporation
Saint Louis, MO馃嚭馃嚫$128k - $153k/yrHybridYesterdayKubernetesRESTTechnologyGet new Security Engineer jobs in Saint Louis in your inbox
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- RI
Exploitation Analyst - Intermediate with Security Clearance
Rividium, Inc
Saint Louis, MO馃嚭馃嚫$140k - $150k/yrHybrid2 weeks agoAdministrative - DC
Linux SIEM System Engineer with Security Clearance
D2 Consulting
Saint Louis, MO馃嚭馃嚫$90k - $95k/yrHybrid2 weeks agoOpenStackAWSSplunk+6Technology - DT
Advanced Cyber Security Analytics Engineer with Security Clearance
D2 Technical Services
Saint Louis, MO馃嚭馃嚫$90k - $100k/yrHybrid6 days agoBashPowerShellPythonTechnology - MO
Zero Trust Network Access (ZTNA) Engineer, Sr. with Security Clearance
Modus21, Llc
Saint Louis, MO馃嚭馃嚫Hybrid5 weeks agoGCPAWSMachine Learning+5 - CA
Endpoint Security Engineer III - Nessus with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid1 month agoPowerShellPythonTechnology - GI
Senior Cybersecurity Specialist with Security Clearance
NewGridiron IT Solutions
Saint Louis, MO馃嚭馃嚫$150k - $160k/yrHybridYesterdayEncryptionAgileTechnology - CP
Cyber Data Analysis Engineer with Security Clearance
Crimson Phoenix
Saint Louis, MO馃嚭馃嚫Hybrid2 months agoAWSAnsibleKafkaTechnology - MA
Technical Surveillance Countermeasures Practitioner with Security Clearance
MANTECH
Saint Louis, MO馃嚭馃嚫Hybrid3 days ago - CP
SOC Analyst- Level 3 with Security Clearance
Crimson Phoenix
Saint Louis, MO馃嚭馃嚫Hybrid1 week agoTechnology - CA
Cyber Security Engineer - NSS Tools with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid1 week agoOAuthSAMLActive Directory+2Technology
Frequently asked questions
How many Security Engineer jobs in Saint Louis are available?
Haystack currently lists 20 live Security Engineer jobs in Saint Louis, with 4 added in the past week. Numbers refresh daily.
Which companies are hiring for Security Engineer jobs in Saint Louis?
CACI, Edward Jones, D2 Consulting, Abile Group, Inc., Crimson Phoenix are actively hiring right now, alongside 7 other employers.