Systems Engineer (TS/SCI w/ Poly)

SixGen · Washington, D.C.

Software Engineering

SixGen is hiring a Systems Engineer (TS/SCI w/ Poly) in Washington, D.C., District of Columbia. Posted 18 February 2026. Apply directly on SixGen's own careers site — no account needed.

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape.

POSITION OVERVIEW

Position: Systems Engineer
Job Type: Full-time
Location: Columbia, MD
Clearance Requirements: Active TS/SCI with Polygraph required (U.S. Citizen Only)
Work Schedule: 5 days per week onsite
Experience: 10+

WHAT YOU'LL DO

We are seeking a Systems Engineer with a diverse set of technical skills and the ability to adapt to unique mission requirements. The selected candidate will support projects focused on developing and implementing next-generation IT tools, systems, and capabilities while providing technical leadership throughout the engineering lifecycle.

This role requires end-to-end responsibility for applied research and cyber capability development efforts, ensuring successful execution from concept through implementation.

KEY RESPONSIBILITIES

Systems Engineering

Technical Leadership & Coordination

Research & Capability Development

QUALIFICATIONS

PREFERRED QUALIFICATIONS

COMPENSATION & BENEFITS

At SIXGEN, we are committed to fair and equitable compensation practices. Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position. Salary for this position is: $201,000-240,000.

Additionally, SIXGEN offers top-tier benefits for full-time employees, including:

For more information, please reach out to our Director of Human Resources, Amy Maxwell at amy.maxwell@sixgen.io.

OUR COMMITMENT

SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class.

We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.

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