Cyber Security Engineer III
System One
Wellston, Saint Louis County$111,480 - $111,480 est.Full-timePosted 11h ago
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 Cyber Security Engineer to support a mission critical NGA cybersecurity program in St. Louis, MO. This role will provide cyber threat intelligence, advanced cybersecurity analytics, security operations support, and incident response coordination across government systems and net…
The average job posting receives 250 applications.
Stand out by tailoring your resume to this specific role. Our AI resume builder highlights the skills and experience that matter most to this employer.
More open roles at System One
Small Business Relationship Manager - Business Banking ( bilingual : Spanish English )
Newark
Sales Representative ( bilingual : Spanish and English )
Newark
Business Development ( Business Consultant / B2B Sales Representative )
Newark
Associate Director Corporate Communications
Parsippany Troy Hills
Associate Brand Manager
Shark River Hills
Marketing Assistant
Tyler Park
Explore related listings
Frequently asked questions
Who is hiring for Cyber Security Engineer III at System One?+
System One is actively hiring for this Cyber Security Engineer III role. Click "Apply Now" to submit your application directly on System One's careers page — Careeronaut doesn't charge employers or candidates for referrals.
When was this Cyber Security Engineer III role posted?+
This listing was first posted on 2026-06-11. We pull the latest copy from the source feed daily, and any role that's taken down gets removed from Careeronaut within seven days so you don't waste time on stale listings.
How should I apply to this Cyber Security Engineer III role?+
Start by tailoring your resume to the posting — most applicants send generic CVs and the first filter recruiters use is keyword relevance. Careeronaut's AI does this automatically: paste the job description, get a matched resume in under a minute, and download as PDF or DOCX.
Where can I find more Cybersecurity jobs in Wellston?+
Browse all open cybersecurity roles in Wellston on the listing pages linked below. You can filter by salary, remote-friendly, and posting date.