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Blue Team Operator

Company:
Millennium Corporation
Location:
Washington, DC
Posted:
February 27, 2026
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Description:

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.For more than two decades, 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 Blue Team Operator in Washington DC. ALL candidates MUST have an active Top-Secret Clearance with SCI/CI-Poly eligibility to qualify for consideration .

The Blue Team Security Engineer will support a premier Law Enforcement agency. We are looking to expand our industry-leading, high-impact Blue Team. The Blue Team consists of specialized cybersecurity professionals who perform intelligence/ threat-based security assessments on critical systems, major applications, and networks to identify security risks and brief systems owners of the potential impacts of those risks to their mission. The Blue Team performs unbiased, comprehensive assessments that produce actionable security recommendations that are tailored to the assessed environment.

The following services are provided by the Blue Team:

Identification and Validation of Security Flaws

Network Mapping / Network Analysis

Vulnerability Analysis

Pen-testing network filters and security countermeasures

Threat Hunting, Incident Response, and Forensic Analysis.

Qualifications

Candidate must have an active Top-Secret clearance with SCI/CI Poly eligibility to qualify for consideration

Bachelor's degree in Cybersecurity, Computer Science/Electrical Engineering, Engineering (or equivalent) with 2-5 years of experience or a Master's degree and 1 to 2 years of experience.

Prior experience with performing vulnerability assessments, network mapping, and service enumerations within a DOD Network Environment

Prior experience conducting vulnerability assessments using industry tools: NESSUS, Nmap, Tenable, Kali, Burp Metasploit Core Impact, etc.

Security+ AND/OR Network+

Desired Skills:

Vulnerability Assessments using industry tools - NESSUS, Tenable, Kali, Burp Metasploit Core Impact, etc.

Experience with Incident Response

Demonstrated success and understanding of accepted frameworks such as, ISO/IEC 27001, COBIT, and NIST, including 800-53

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

Up to 50% travel

Active Full Time Regular

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