Red Team Operator III

Millennium Corporation • Colorado Springs, CO

5d • $130,000 - $140,000 • Onsite

About The Position

Millennium Corporation is seeking a highly skilled Red Team Operator III to support our team in Colorado Springs, CO. This role focuses on advanced cyber threat emulation and adversarial operations within complex enterprise and mission-critical environments.

Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver results by expanding our technical depth, operational reach, and access to a broader bench of proven experts, ensuring our customers continue to receive best-in-class cybersecurity support.Since 2004, Millennium has operated at the forefront of cybersecurity. Our elite team of over 300 professionals brings an unmatched record of performance across Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. As home to the largest contingent of contracted Red Team operators supporting the Department of Defense, Millennium delivers unparalleled threat intelligence and battle-tested expertise to both DoD and federal civilian customers.

Requirements

• Active TS/SCI Clearance.
• Bachelors degree and a minimum of three (3) years of experience OR six (6) years of experience with an Associates Degree.
• IAT Level II: Sec +, OSCP, Sec X, RTJC, or other cyber security certificate is required.
• Proven experience in Red Team operations, cyber threat emulation, or offensive cyber security.
• Strong understanding of adversary tactics and frameworks (e.g., MITRE ATT&CK).
• Experience supporting cyber exercises or large-scale enterprise environments.

Responsibilities

• Conduct intelligence-driven cyber threat emulation to replicate real-world adversary tactics, techniques, and procedures (TTPs)
• Support cyber exercises, operational assessments, Test & Evaluation (T&E) events, and training engagements
• Operate as part of a Red Team acting as an opposing force to evaluate system, system-of-systems, and enterprise resilience in contested cyber environments
• Collaborate with stakeholders to develop and refine standard operating procedures (SOPs) for Red Team operations
• Assist in onboarding, mentoring, and training newly assigned Red Team operators
• Contribute to continuous improvement of offensive cyber capabilities and mission effectiveness
• Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree