Security Engineer Jobs in Saint Louis
22 live Security Engineer roles in Saint Louis, United States. Apply directly on Haystack.
Last updated 9 September 2026. Job counts refresh daily.
As of 9 September 2026, Haystack lists 22 live Security Engineer jobs in Saint Louis, with 8 added in the past week. Employers hiring right now include Edward Jones, CACI and Crimson Phoenix.
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-site1 hour agoPHPShellOWASP+6Technology - EJ
Security Engineer IV - Exposure Management
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoPenetration TestingTechnology - EJ
Application Security Engineer IV - AI Harness
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoShellAWSOWASP+7Technology - EJ
Non-Human Identity Security Engineer III
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoMicroservicesAWSOAuth+14Technology - EJ
Senior Security Engineer - Non-Human Identity
NewEdward Jones
Saint Louis, Missouri馃嚭馃嚫On-site2 hours agoMicroservicesAWSOAuth+14Technology - EJ
Senior Security Analyst - Identity and Access Governance
Edward Jones
Saint Louis, Missouri馃嚭馃嚫On-site4 days agoMFASSOActive Directory+2Technology - CA
Cyber Data Analyst Engineer with Security Clearance
NewCACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid2 days agoRubyAWSAnsible+5Technology - CU
Senior Cyber Security Engineer with Security Clearance
Cubic Corporation
Saint Louis, MO馃嚭馃嚫$128k - $153k/yrHybrid6 days agoKubernetesTechnology - CF
Cyber Security Operations Specialist (Adv. Cyber Analytics) with Security Clearance
Cherokee Federal
Saint Louis, MO馃嚭馃嚫$110k - $118k/yrHybrid1 week agoTechnology - RI
Exploitation Analyst - Intermediate with Security Clearance
Rividium, Inc
Saint Louis, MO馃嚭馃嚫$140k - $150k/yrHybrid1 week agoAdministrativeGet new Security Engineer jobs in Saint Louis in your inbox
Daily digest of matching roles. Unsubscribe anytime.
- CA
Cyber Security Operations Specialist I - Tier 1 with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$53.1k - $106.3k/yrHybrid2 weeks agoTechnology - DT
Advanced Cyber Security Analytics Engineer with Security Clearance
D2 Technical Services
Saint Louis, MO馃嚭馃嚫$90k - $100k/yrHybrid1 week agoBashPowerShellPythonTechnology - MO
Zero Trust Network Access (ZTNA) Engineer, Sr. with Security Clearance
Modus21, Llc
Saint Louis, MO馃嚭馃嚫Hybrid2 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/yrHybrid5 weeks agoPowerShellPythonTechnology - GI
Senior Cybersecurity Specialist with Security Clearance
NewGridiron IT Solutions
Saint Louis, MO馃嚭馃嚫$150k - $160k/yrHybrid22 hours agoEncryptionAgileTechnology - CP
Cyber Data Analysis Engineer with Security Clearance
Crimson Phoenix
Saint Louis, MO馃嚭馃嚫Hybrid1 month agoAWSAnsibleKafkaTechnology - MA
Technical Surveillance Countermeasures Practitioner with Security Clearance
MANTECH
Saint Louis, MO馃嚭馃嚫Hybrid6 weeks agoCompliance - AM
Vulnerability Assessment Analyst with Security Clearance
Amyx Inc
Saint Louis, MO馃嚭馃嚫Hybrid1 month agoOAuthSAMLAuditing+5 - AG
Cyber Data Analysis Engineer with Security Clearance
Abile Group LLC
Saint Louis, MO馃嚭馃嚫Hybrid1 month agoOpenStackAWSSplunk+6Technology - CP
SOC Analyst- Level 3 with Security Clearance
Crimson Phoenix
Saint Louis, MO馃嚭馃嚫Hybrid1 week agoTechnology - AG
Advanced Cybersecurity Analytics with Security Clearance
Abile Group LLC
Saint Louis, MO馃嚭馃嚫Hybrid1 month agoBashPowerShellPythonTechnology - CA
Cyber Security Engineer - NSS Tools with Security Clearance
CACI
Saint Louis, MO馃嚭馃嚫$75.2k - $158.1k/yrHybrid1 month agoShellAWSAnsible+3Technology
Frequently asked questions
How many Security Engineer jobs in Saint Louis are available?
Haystack currently lists 22 live Security Engineer jobs in Saint Louis, with 8 added in the past week. Numbers refresh daily.
Which companies are hiring for Security Engineer jobs in Saint Louis?
Edward Jones, CACI, Crimson Phoenix, Abile Group LLC, Cubic Corporation are actively hiring right now, alongside 7 other employers.