Systems Engineer

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.

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.

Millennium Corporation is seeking a Systems Engineer to support system development, integration, testing, and lifecycle engineering activities. The ideal candidate will have experience translating customer requirements into technical solutions, coordinating system design and integration efforts, and supporting systems through verification, validation, and production deployment.

This role requires a strong understanding of systems engineering principles, technical documentation, configuration management, and the integration of hardware and software components. The selected candidate will also support technical planning, requirements analysis, risk assessment, and system performance evaluations to ensure solutions meet operational, technical, schedule, and cost objectives.

Key Responsibilities

• Coordinate systems engineering activities across the system lifecycle, including requirements analysis, design, development, integration, verification, validation, testing, and production deployment.

• Oversee system transitions into production, ensuring technical requirements and performance objectives are met.

• Develop, analyze, and maintain system specifications, technical requirements, logistical requirements, and supporting engineering documentation.

• Translate customer and operational requirements into system-level solutions while accounting for technical, schedule, cost, and performance constraints.

• Perform systems engineering analyses, including functional analysis, requirements allocation, interface definition, timeline analysis, and technical trade studies.

• Support system integration, verification and validation, and formal testing to confirm systems meet established requirements.

• Manage and document system configurations, changes, and technical baselines throughout the system lifecycle.

• Evaluate hardware and software compatibility, system performance, supportability, and operational effectiveness.

• Conduct technical risk, cost, and supportability analyses to identify potential issues and inform engineering decisions.

• Develop and maintain programmatic and technical documentation to support planning, execution, integration, and sustainment activities.

• Perform engineering analyses across the system lifecycle, including concept development, design, fabrication, testing, installation, operation, maintenance, and disposal.

• Provide technical leadership and serve as Lead Systems Engineer when required.

• Must possess an active Secret security clearance.

• Must meet one of the following education and experience requirements:

  • Bachelor's degree in Engineering, Computer Science, Information Systems, Information Technology, Operations Research, Mathematics, Physics, or a related field, with at least six (6) years of relevant experience; OR

  • High school diploma with at least thirteen (13) years of relevant experience.

• Demonstrated experience supporting systems engineering activities, including system design, integration, testing, or technical requirements development.

• Experience developing, analyzing, or maintaining system specifications, technical documentation, or engineering requirements.

• Familiarity with systems engineering lifecycle processes, configuration management, and system performance evaluation.

• Ability to analyze technical requirements and contribute to integrated hardware and software solutions.

Preferred Qualifications

• Knowledge of cybersecurity principles, particularly Zero Trust architecture and security concepts.

• Familiarity with Software-as-a-Service (SaaS) platforms, applications, and environments.

• Experience with software credentialing, software authorization, or related security approval processes for SaaS applications.

• Previous experience supporting government contracting, Department of Defense (DoD), or federal government environments.

• Prior military experience or familiarity with military organizational structures, chains of command, and formal communication protocols.

• Experience coordinating systems engineering activities within structured government or military program environments.

• Experience with systems integration, verification and validation, configuration management, technical documentation, and system lifecycle engineering.

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.

• 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.

<10%

145k-155k

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.