Full Stack Software Engineer- TS/SCI & Poly
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
Clearance Requirements: TS/SCI & Poly
Travel: Up to 10%
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, 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.
REQUIRED QUALIFICATIONS
• US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS level
• Proficiency in front-end technologies (e.g., React, Angular, HTML/CSS/JavaScript) and back-end languages (e.g., Python, Java, Node.js, C++).
• 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.
• Experience supporting DoD software development efforts.
• Knowledge of DevSecOps, CI/CD pipelines, and containerization (e.g., Docker, Kubernetes).
• Familiarity with Agile/Scrum methodologies and tools like Jira, Confluence, and GitLab CI.
US Salary Range
$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
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.
Apply Now
Position: Full Stack Software Engineer
Job Type: Full Time
Location: ONSITE
Clearance Requirements: TS/SCI & Poly
Travel: Up to 10%
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, 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.
REQUIRED QUALIFICATIONS
• US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS level
• Proficiency in front-end technologies (e.g., React, Angular, HTML/CSS/JavaScript) and back-end languages (e.g., Python, Java, Node.js, C++).
• 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.
• Experience supporting DoD software development efforts.
• Knowledge of DevSecOps, CI/CD pipelines, and containerization (e.g., Docker, Kubernetes).
• Familiarity with Agile/Scrum methodologies and tools like Jira, Confluence, and GitLab CI.
US Salary Range
$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
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.
Apply Now