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

Sixgeninc
Full Time
Onsite - Fort Meade, MDPosted 9 weeks ago

Role Overview

Sixgeninc is hiring a Full Stack Software Engineer (TS/SCI w/ Poly). This is a full-time role in Onsite - Fort Meade. Part of Sixgeninc's Fullstack hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Fullstack roles is $131k-$159k (based on 13 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

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PythonJavaLinuxGitJiraAgileCI/CDOR

Job description

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

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. 

WHAT YOU’LL DO

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

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.

About Sixgeninc

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Sixgeninc

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19 other open roles at Sixgeninc on TryApplyNow.

Frequently Asked Questions

How do I apply for the Full Stack Software Engineer (TS/SCI w/ Poly) position at Sixgeninc?

Use the Apply button above to submit your application directly to Sixgeninc. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Full Stack Software Engineer (TS/SCI w/ Poly) position at Sixgeninc located?

This position is based in Onsite - Fort Meade. Sixgeninc has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Full Stack Software Engineer (TS/SCI w/ Poly) at Sixgeninc earn?

Sixgeninc has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Full Stack Software Engineer (TS/SCI w/ Poly) role at Sixgeninc posted?

This role was posted on May 7, 2026 (63 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

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