Full Stack Software Engineer; TS​/SCI w​/Poly

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

Onsite - Ft Meade, MD

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: Full Stack Software Engineer
• Job Type: Full Time
• Location: Onsite - Ft Meade, MD
• Clearance Requirements: TS/SCI w/ Poly
• Travel: Up to 10%

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.

• Design, develop, and maintain full stack applications, including both front-end interfaces and back-end services/APIs.
• Collaborate with cross-functional teams to gather requirements, define solutions, and deliver scalable, secure software.
• Write clean, efficient, and maintainable code using modern frameworks and programming languages.
• Implement data processing, user authentication, and secure communication features in compliance with government standards.
• Participate in software integration, testing, debugging, and deployment within mission-critical environments.

• US Citizen with the ability to obtain a US Government Security clearance up to the TS/SCI w/ Poly level
• Experience working in Linux-based environments and with RESTful APIs, databases, and version control tools (e.g., Git). Familiarity with secure coding practices and the full software development lifecycle (SDLC).
• Strong analytical, communication, and collaboration skills.
• Knowledge of Dev Sec Ops , CI/CD pipelines, and containerization (e.g., Docker, Kubernetes).
• Familiarity with Agile/Scrum methodologies and tools like Jira, Confluence, and Git Lab CI.

$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 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
• Flexible and remote work policies for most positions
• Flexible PTO and holiday schedule

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, veteran status, or any other protected class.