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Senior Cyber Security Engineer — Threat Intel & IR

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: System One
Full Time position
Listed on 2026-06-21
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

System One is seeking a Cyber Security Engineer in St. Louis, MO to provide support for a mission-critical NGA cybersecurity program. The role requires expertise in cyber threat intelligence, security operations support, and incident response coordination across government systems.

The ideal candidate will have hands-on experience with tools such as HBSS and firewalls, along with an active TS/SCI clearance. Benefits include health insurance options and a 401(k) plan.

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Position Requirements
10+ Years work experience
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