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Senior Cybersecurity Engineer – Adversary Operations, Innovation & Purple Team Operations

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-07-31
Job specializations:
  • IT/Tech
    Cybersecurity
  • Engineering
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

  • Lead and execute tactical purple team operations aligned to real adversary tactics.
  • Design and run strategic, multi-step adversary emulation exercises.
  • Build repeatable validation workflows using MSV and related tooling.
  • Develop and enhance innovative adversary tooling.
  • Partner with Detection Engineering, Incident Response, and other cyber verticals to turn AO findings into improved detections.
  • Support AO innovation priorities across platforms, logging, cloud infrastructure, and cross-team integrations.
  • Help mature AO capability in advanced and emerging areas.
  • Produce clear technical documentation, attribution, findings, and recommendations.
Requirements
  • Significant hands-on experience in cybersecurity operations, adversary emulation, purple teaming, red teaming, threat hunting, or detection engineering.
  • Strong understanding of attacker tactics, techniques, and procedures.
  • Experience with endpoint, cloud, network, and logging technologies.
  • Experience building or using offensive and validation tooling such as payloads, C2 frameworks, automation, scripting, and infrastructure for safe adversary testing.
  • Ability to collaborate across verticals and help coordinate actions that improve Cyber Defense outcomes at scale.
  • Strong written and verbal communication skills.
Core Competencies

Demonstrates expertise in cybersecurity operations, particularly in adversary emulation and purple teaming, with a strong focus on collaboration across teams to enhance detection and response capabilities. Proficient in developing innovative tooling and producing clear technical documentation to support cyber defense initiatives.

Highest-signal resume keywords
  • Cybersecurity Operations
  • Adversary Emulation
  • Purple Teaming
  • Detection Engineering
  • Threat Hunting
ATS Optimization Keywords Hard Skills
  • Adversary Emulation Exercises
  • Offensive Tooling
  • Validation Workflows
  • Automation Scripting
  • Endpoint Technologies
  • Cloud Technologies
  • Network Technologies
  • Logging Technologies
  • Attacker Tactics
  • Technical Documentation
Soft Skills
  • Collaboration
  • Communication Skills
Industry Keywords
  • Cyber Defense
  • Incident Response
  • Adversary Tactics
  • Cybersecurity
Tools & Technologies
  • MSV
  • Payloads
  • C2 Frameworks
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Position Requirements
10+ Years work experience
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