SixGen
CybersecurityDirect Greenhouse career site

Systems Engineer (TS/SCI w/ Poly)

Pay
$201,000 – $240,000 per year
Location
Columbia, MD · On-site
Job type
Full-time
Level
Senior
Experience
15+ years
Education
Bachelor's degree
Listed
31 days ago

Skills & highlights for this role

  • TS/SCI clearance with polygraph
  • CISSP or CASP+ CE or CSSLP
  • DoD 8570 IASAE Level II
  • systems engineering
  • system architecture
  • system integration and test planning
  • technical documentation

Also useful

  • AWS
  • DoDAF
  • network architecture

About the role

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

  • Evaluate, develop, and deliver technical input to the systems engineering process.
  • Develop technical documentation, system architecture, and system design documentation.
  • Guide system development and implementation planning through system engineering management plans and system integration and test plans.
  • Provide engineering guidance throughout the project lifecycle.

Technical Leadership & Coordination

  • Coordinate with administrators, engineers, developers, testers, government stakeholders, and mission partners.
  • Interact with government representatives regarding technical considerations, issues, and conflicts.
  • Establish effective working relationships with government agencies and mission partners.
  • Deliver briefings on complex topics to technical and executive audiences.

Research & Capability Development

  • Support applied research and cyber capability development projects.
  • Contribute as a senior technical resource on complex research efforts.
  • Ensure solutions are implemented in a sound and secure manner.
  • Support mission-focused engineering activities from concept through deployment.

Qualifications

  • Bachelor's degree in Systems Engineering or a related discipline (four years of relevant experience may be substituted for a degree).
  • Active CISSP, CASP+ CE, or CSSLP certification (minimum DoD 8570 IASAE Level II certification).
  • 15+ years of systems engineering experience.
  • Experience developing technical documentation, system architectures, and system designs.
  • Experience supporting system development, integration, and implementation activities.
  • Experience communicating with technical teams, government stakeholders, and senior leadership.
  • Active TS/SCI clearance with Polygraph.

Preferred Qualifications

  • Exposure to Cloud and AWS environments.
  • Knowledge of the DoD Architecture Framework (DoDAF).
  • Experience designing and engineering systems from the ground up.
  • Experience with network architecture and systems engineering.
  • Strong problem-solving skills and the ability to quickly assess and develop practical technical solutions.

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.

Benefits

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

  • Employer-paid health insurance premiums (medical, dental, vision) for you and your family
  • Employer-paid short/long term disability insurance and basic life/AD&D insurance
  • 401K with a 4% employer contribution
  • Professional development reimbursement options available (training, certification, education, etc)
  • Flexible and remote work policies for most positions
  • Flexible PTO and holiday schedule

Our Commitment

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.

Read the original posting

From SixGen's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

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Common questions

What is the salary for the Systems Engineer (TS/SCI w/ Poly) role at SixGen?

The Systems Engineer (TS/SCI w/ Poly) posting at SixGen states compensation of $201,000 – $240,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on SixGen's official career site.

Where is the Systems Engineer (TS/SCI w/ Poly) job at SixGen located?

This Systems Engineer (TS/SCI w/ Poly) position at SixGen is located in Columbia, MD (On-site). Always check SixGen's application page for specific state eligibility or relocation policies.

What qualifications are required for Systems Engineer (TS/SCI w/ Poly) at SixGen?

For the Systems Engineer (TS/SCI w/ Poly) role, SixGen highlights 15+ years of relevant experience; a bachelor's degree; experience with systems engineering, system architecture, system integration and test planning, technical documentation. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Systems Engineer (TS/SCI w/ Poly) position at SixGen?

This listing links directly to SixGen's Greenhouse application page. You can apply directly on SixGen's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.