Red Team Operator II

Millennium Corporation; Colorado Springs (CO); On-site; USD 135,000 - 160,000; Full time

Job summary

Millennium Corporation seeks a Red Team Operator II located in Colorado Springs, CO, to advance our offensive cyber capabilities and adversarial operations within mission-critical environments.

The role emphasizes intelligence-driven threat emulation, execution of high-fidelity red team exercises, and collaboration with stakeholders to refine SOPs. Active TS/SCI clearance and relevant certifications are required.

Qualifications

• Active TS/SCI clearance is required.
• Bachelor's degree with 3+ years of experience or an Associate degree with 6+ years.
• IAT Level II certification (Sec+, OSCP, Sec X, RTJC, or equivalent) required.
• Experience in red team operations or offensive cyber security.
• Strong knowledge of adversary tactics and MITRE ATT&CK.
• Experience supporting cyber exercises or large enterprise environments.

Responsibilities

• Conduct intelligence-driven cyber threat emulation to replicate real-world adversary TTPs.
• Support cyber exercises, operational assessments, Test & Evaluation events, and training engagements.
• Operate as part of a Red Team acting as an opposing force to evaluate system resilience in contested cyber environments.
• Collaborate with stakeholders to develop and refine 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.

Skills

Red Team operations

Cyber threat emulation

Offensive cyber security

MITRE ATT&CK knowledge

Adversary tactics

Education

Bachelor's degree

Associate degree

Tools

IAT Level II certificates (Sec +)

OSCP

Sec X

RTJC

Job description

Overview

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.

What We Believe

Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law.

Responsibilities

Millennium Corporation is seeking a highly skilled Red Team Operator II 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.

Key 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

Qualifications

• Active TS/SCI Clearance.
• Bachelors degree and a minimum of three (3) years of experience OR six (6) years of experience with an AssociatesDegree.
• 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.

Business Development

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.

Physical Requirements

• Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
• Must be able to lift up to 10-15 pounds at a time.

Travel Requirements

15-30%

COMPENSATION:

$135K-$160K