AI Focused Red Team Operator

Millennium; Washington (District of Columbia); On-site; USD 140,000 - 180,000; Full time

Job summary

Millennium is seeking an AI-Focused Red Team Operator to support government cyber operations in Washington, DC or Huntsville, AL. An active Top Secret clearance is required to qualify for consideration.

The role blends offensive and defensive cyber work with AI-enabled security workflows, offering opportunities to emulate adversaries, hunt threats, and assess AI/LLM security across enterprise and cloud environments.

Qualifications

• Extensive experience in offensive and defensive cybersecurity operations.
• Strong background applying AI to cyber missions.
• Ability to design AI-assisted security workflows.

Responsibilities

• Conduct authorized penetration testing, adversary emulation, and Red Team assessments against enterprise, cloud, and AI-enabled environments.
• Perform Blue Team activities including threat hunting, detection engineering, incident response support, and defensive security assessments.
• Evaluate AI and machine learning systems for security weaknesses throughout the model lifecycle.
• Assess LLM applications against AI threats and OWASP LLM Top 10.
• Identify vulnerabilities including prompt injection, RAG, model manipulation, tool abuse, data poisoning, model extraction.
• Develop offensive tradecraft for authorized testing.
• Design and implement defensive controls including guardrails, monitoring, content filtering, and AI-specific security controls.
• Leverage AI technologies to improve operations, reconnaissance, code analysis, detection engineering, and security analytics.
• Collaborate with cybersecurity engineers, analysts, and stakeholders.
• Produce high-quality documentation, assessment reports, and executive briefings.

Skills

Offensive security

Defensive security

Adversary emulation

Threat hunting

Detection engineering

Incident response

Job description

Millennium is hiring a skilled AI-Focused Red Team Operator to support advanced cyber operations for a government customer in the Washington, DC or Huntsville, AL area. ALL candidates MUST have an active Top Secret clearance to qualify for consideration.

The ideal candidate possesses extensive experience in offensive and defensive cybersecurity operations and is passionate about applying artificial intelligence to improve cyber mission effectiveness. The candidate will get an opportunity to work at the forefront of AI‑enabled cyber operations, combining traditional penetration testing, adversary emulation, threat hunting, and detection engineering with emerging AI technologies.

• Conduct authorized penetration testing, adversary emulation, and Red Team assessments against enterprise, cloud, and AI-enabled environments.
• Perform Blue Team activities including threat hunting, detection engineering, incident response support, and defensive security assessments.
• Evaluate AI and machine learning systems for security weaknesses throughout the model lifecycle.
• Assess Large Language Model (LLM) applications against emerging AI threats and industry frameworks such as the OWASP LLM Top 10.
• Identify vulnerabilities involving prompt injection, retrieval-augmented generation (RAG), model manipulation, indirect prompt injection, tool abuse, data poisoning, and model extraction techniques.
• Develop offensive tradecraft to evaluate AI-enabled systems while ensuring responsible and authorized testing practices.
• Design and implement defensive controls including guardrails, monitoring, content filtering, evaluation frameworks, and AI‑specific security controls.
• Leverage AI technologies to improve offensive and defensive cyber operations through automation, large-scale reconnaissance, code analysis, detection engineering, report generation, and security analytics.
• Collaborate with cybersecurity engineers, analysts, and stakeholders to improve organizational resilience against emerging AI‑enabled threats.
• Produce high-quality technical documentation, assessment reports, and executive briefings.

Successful candidates should demonstrate experience building or integrating AI‑assisted security workflows, including:

• Agentic workflows for security operations and incident response
• Automated alert triage and enrichment
• Detection tuning and threat hunting using AI
• AI-assisted report generation and documentation
• Secure integration of LLMs into cybersecurity workflows
• Evaluation and testing of security‑focused language models