$100 per hour
Software Developer to support cybersecurity initiatives focused on secure boot processes, firmware security, and hardware root of trust... ...’s degree in Computer Science, Cybersecurity, Electrical Engineering, or a rel…
Engineering & IT · St. Louis, MO
Security Engineer jobs in St. Louis, MO
Security engineers protect systems and data by finding vulnerabilities, building defenses, and responding to incidents. The work spans application security, infrastructure hardening, and threat detection.
151
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$36–$93/hr
Typical pay range
$122k
Median, full-time
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schematics concerning plumbing and HVAC. Display above average engineering operations skills and strong general mechanical ability.... ...including readings and rounds. Follow all company and safety and security policies…
S. Companies 2023 List, earned the U.S. Department of Homeland Security SAFETY Act designation and U.S. Environmental Protection Agency... ..., Twitter and Instagram . Primary Role The Sr Engineer, Planning is responsibl…
Job Title- Application Security (AppSec) Engineer Location: Onsite - Maryland Heights, MO Only W2 (No C2C) What are the top 3 skills required for this role? Application Security (AppSec) Secure SDLC / DevSecOps SAST, DAS…
Job Title- Sr. Application Security (AppSec) Architect Location: Onsite - Maryland Heights, MO Contract W2 (No C2C)... ...security awareness workshops. Act as a trusted advisor to engineering and product teams. Governanc…
We are seeking a skilled Senior NetSuite Engineer to design, develop, and maintain custom solutions within the NetSuite ERP platform.... ...integrations, configurations, and development standards Ensure system security,…
management, quality systems, data operations and cybersecurity. We secure some of the most sensitive data for the Department of Defense... ...we believe in promoting from within. Role: Senior Network Engineer Consultant…
Looking to build your career with a company that values innovation , stability , and people ? Join our dedicated team as a Security Engineer in Bridgeton, MO ! Since 1946, Hunter Engineering has been aligning cutting-edg…
management, quality systems, data operations and cybersecurity. We secure some of the most sensitive data for the Department of Defense... ...~ Training allowance ~ PTO and more Role: Sr. Network Engineer Supporting the…
Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job Summary We are seeking a…
Job Description Job Description Overview Seeking a Java / Node.js Engineer focused on application security remediation, technical debt reduction, and automated vulnerability fixes across multiple platforms. This role par…
Job Description Job Description Job Title: Java/Node.js Engineer – Security Remediation & Technical Debt Automation Location: NJ or STL (Hybrid) Employment Type: Contract Experience Level: 7+ years Rate : 55-60$/Hr on 10…
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What security engineers earn in St. Louis
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $36–$49 | $74k–$101k |
| Mid level | $49–$69 | $101k–$143k |
| Senior | $66–$93 | $138k–$193k |
Adjusted for the St. Louis market from national ranges.
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What employers ask for
The skills these listings keep naming
Threat modelingOWASP and web app securityNetwork and cloud securityIncident responseScripting (Python, Bash)SIEM and detection toolingIdentity and access managementVulnerability managementExplaining risk to non-experts
04
Interview questions worth rehearsing
With the thing the interviewer is actually listening for
Walk me through how you would threat model a new feature.
Use a structure — assets, entry points, attacker goals — and show that you rank risks rather than listing everything. STRIDE is a fine scaffold if you actually apply it.
You find a critical vulnerability in production. What are your next steps?
Verify, assess exposure, contain, and coordinate disclosure and fix — with communication throughout. Panic-free process is the whole answer.
Explain a recent vulnerability class or breach and what you took from it.
Staying current is part of the job. Pick something real, explain the root cause simply, and connect it to a defense you would build.
How do you get developers to fix security issues they see as low priority?
Show empathy for delivery pressure: translate risk into business impact, make fixes easy, and build guardrails so the secure path is the default.
How would you secure a cloud environment from scratch?
Cover identity first, then network segmentation, logging, encryption, and automated policy checks. Saying 'IAM is where most cloud breaches start' shows you know the terrain.
What is the difference between authentication and authorization, and where do systems commonly get it wrong?
Define both crisply, then give a real failure mode like broken object-level authorization. The follow-through example is what distinguishes the answer.
Tell me about a security control you built or improved.
Describe the risk it addressed and evidence it worked — findings reduced, detection time improved. Controls without measurement are just hopes.
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Resume tips that move the needle
For security engineers specifically — generic advice costs you here
01
Lead with concrete defensive wins: vulnerabilities remediated, detection coverage added, incident response times improved.
02
List relevant certifications (Security+, OSCP, CISSP) prominently; this field still screens on them.
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Name the domains you cover — appsec, cloud security, detection — since 'security' alone is too broad to place you.
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Mention responsible disclosures, CTF results, or published research if you have them; they are strong credibility signals.
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Show you can work with engineers, not just audit them — secure code reviews, training, or paved-road tooling you built.
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Where this role goes
Typical progression
01
Security Analyst
02
Security Engineer
03
Senior Security Engineer
04
Security Architect
05
CISO
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