Red Team Security Engineer
Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 7, 2026.
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 hiring a Red Team Security Engineer to work in Washington DC in a Hybrid capacity. The candidate must have active TS/SCI clearance with CI Poly eligibility .
As a Red Team Security Engineer, you will be challenged to perform in-depth Red Team operations on a wide variety of tools, systems, services, and network/store/compute environments. Currency with attacking the latest IT and communications technologies - as well as a solid foundation in network and services basics - are a must.
In this job you will:
- Monitor, analyze, and detect Cyber events and incidents within information systems and networks under general supervision.
- Assist with integrated, dynamic cyber defense, coordinate and maintain security toolsets to support organizations’ continuous monitoring and ongoing authorization programs, establish a framework by which cyber risk can be measured and quantified in the marketplace.
- Determines security requirements by researching information security standards; conducting system security and vulnerability analyses and risk assessments; studying architecture/platform; identifying integration issues;
- Implements security systems by specifying intrusion detection methodologies and equipmentpreparing preventive and reactive measures; providing technical support to SOC, Blue Team, and other defenders;completing documentation.
- Verifies security systems by developing and implementing test scripts.
- Maintains security by monitoring and ensuring compliance with standards, policies, and procedures;conducting incident response analyses; developing and conducting training programs.
- Responsible for the design, development, implementation, and integration of a DoD-like IA architectures, systems, or system components for use within computing, network, and enclave environments.
- Ensure that the architecture and design of development and operational systems are functional and secure. This includes designs for program-of-record systems and special-purpose processing nodes with platform IT interconnectivity.
Qualifications
- Candidate must have an active TS/SCI clearance with CI Poly eligbility
- BS & 5+ Yrs of experience or additional 5 yrs of experience in lieu of degree
- Required: Sec+ Desired (one or more): OSCP/E, GPEN, CEH, CCNA, CISSP
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.
COMPENSATION:
$135K-145K
The salary range provided for this position is intended as a general guideline and does not guarantee a specific salary or compensation amount. Final compensation will be determined based on a variety of factors, including, relevant education, experience, knowledge, skills, and abilities.