Red Team Security Engineer
About the job
- An active TS/SCI clearance with CI Poly eligibility is required.
- A bachelor's degree and at least 5 years of experience, or 5 additional years of experience in lieu of the degree, are required.
- Security+ certification is required.
- Candidates must be comfortable sitting at a desk and working on a computer for prolonged periods.
- Candidates must be able to lift up to 10–15 pounds at a time.
- Perform in-depth Red Team operations on a wide variety of tools, systems, services, and network, storage, and compute environments.
- 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 supporting continuous monitoring and ongoing authorization programs; and establish a framework for measuring and quantifying cyber risk.
- Determine security requirements by researching information security standards; conducting system security and vulnerability analyses and risk assessments; studying architecture and platforms; and identifying integration issues.
- Implement security systems by specifying intrusion detection methodologies and equipment, preparing preventive and reactive measures, providing technical support to SOC, Blue Team, and other defenders, and completing documentation.
- Verify security systems by developing and implementing test scripts.
- Maintain security by monitoring and ensuring compliance with standards, policies, and procedures; conducting incident response analyses; and developing and conducting training programs.
- Design, develop, implement, and integrate DoD-like information assurance architectures, systems, or system components for computing, network, and enclave environments.
- Ensure the architecture and design of development and operational systems are functional and secure, including designs for program-of-record systems and special-purpose processing nodes with platform IT interconnectivity.
- Assist with business development activities as required, including participating in technical interviews, creating technical documentation, supporting proposal writing, and conducting proposal color reviews.
- One or more of the following certifications is desired: OSCP/E, GPEN, CEH, CCNA, or CISSP.
About the company
Millennium Corporation provides cybersecurity and IT consulting to U.S. federal government clients, including DoD and intelligence agencies, acting as both prime and subcontractor on SDVOB-set aside contracts. Its offerings include cybersecurity operations, program management, IT solutions, software development, and systems engineering, with a focus on offensive and defensive cyber operations, Red Team engagements, threat hunting, cyber training, and GRC aligned to NIST and ISO 27001, all supported by a 10,000-square-foot Cyber Threat Operations Center in Arlington. The company differentiates itself through its minority-owned, service-disabled veteran-owned status and its emphasis on NSA-certified Red Teams and government-focused security testing and training. Millennium Corporation aims to strengthen government cyber resilience by delivering practical security testing, training, and engineering services for mission-critical outcomes.
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
Arlington, Virginia
Founded
2004
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Simplify's Take
What believers are saying
- Markon's February 2026 acquisition expands Millennium's reach across defense, intelligence, and civilian agencies.
- The combined IRAD program should fund faster tooling, training, and software development.
- Markon's 2026 CIA protest victory keeps Millennium-adjacent cyber talent near larger contracts.
What critics are saying
- Cedric Henry and Kevin Jennings retired in February 2026, removing original leadership continuity.
- Millennium now depends on Markon's integration; missteps can dilute its specialist culture by 2027.
- DoD budget pressure or one lost prime relationship can quickly compress Millennium's federal pipeline.
What makes Millennium Corporation unique
- Markon bought Millennium on February 20, 2026, absorbing elite adversarial cyber operations.
- Millennium's red-team, test-and-evaluation, and intelligence support work targets DoD missions.
- K>fivefour training ties Millennium's operators to Markon's scalable cyber certification platform.
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Benefits
- Remote Work Options