SixGen
Aerospace & DefenseDirect Greenhouse career site

Full Stack Software Engineer (TS/SCI w/ Poly)

Pay
$90,000 – $185,000 per year
Location
Fort Meade, MD · On-site
Job type
Full-time
Level
Mid-level
Listed
30 days ago

Skills & highlights for this role

  • TS/SCI clearance
  • Polygraph
  • US citizenship
  • Python
  • C++
  • Java
  • Linux
  • secure coding

Also useful

  • DevSecOps
  • Git
  • CI/CD
  • Agile

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k match
  • Disability insurance

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: Software Engineer
  • Job Type: Full Time
  • Location: Onsite, Ft-Meade, MD
  • Clearance Requirements: TS/SCI w/ Poly
  • Travel: None

What You'll Do

  • Design, develop, test, and deploy software applications and systems in support of government and customer missions.

Additional information

Collaborate with systems engineers, analysts, and end users to understand technical requirements and translate them into software solutions.

  • Write clean, efficient, and maintainable code using modern programming languages and development practices.
  • Support integration, debugging, and testing activities in both lab and operational environments.
  • Ensure software meets security, performance, and reliability standards, in compliance with government policies and frameworks.

Required Qualifications

  • US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS level
  • Proficiency in one or more programming languages such as Python, C++, Java, or C.
  • Experience developing software in Linux-based environments.

Familiarity with secure coding practices and software lifecycle principles.

  • Strong problem-solving skills and the ability to work independently or as part of a collaborative team.
  • Experience supporting DoD, IC, or federal government software development projects.
  • Knowledge of DevSecOps, containerization, or distributed systems.

Familiarity with Agile methodologies and tools like Git, Jira, and CI/CD pipelines.

Compensation & Benefits

$90,000 - $185,000 USD

  • The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only.
  • Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations.
  • The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role.
  • 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.

About the Team

SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you'll provide meaningful support to our customer's missions and operations. You'll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done.

Read the original posting

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

How Rolev.ai helps with this application

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Common questions

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

The Full Stack Software Engineer (TS/SCI w/ Poly) posting at SixGen states compensation of $90,000 – $185,000 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 Full Stack Software Engineer (TS/SCI w/ Poly) job at SixGen located?

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

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

For the Full Stack Software Engineer (TS/SCI w/ Poly) role, SixGen highlights experience with Python, C++, Java, Linux, secure coding. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Full Stack Software 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.