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Full Stack Software Engineer (TS/SCI Cleared)

Valiant Harbor International

Posted today

Job Requirements

Hanscom AFB, MA
Top Secret Polygraph not specified
Mid Level Career (5+ yrs experience)
Salary not specified
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Job Description

Location: Hanscom AFB, MA (On-Site)
Job Type: Full-Time (W-2)
Clearance: Active Top Secret with SCI Eligibility (Required)

Mission:
Support the Air Force Research Laboratory (AFRL) in building secure, mission-critical software systems within classified environments. This role directly contributes to advanced national defense programs requiring TS/SCI-cleared engineering talent.

What You’ll Work On:
• Full-stack development of secure, classified DoD applications (frontend, backend, integrations)
• System architecture, design, and deployment in TS/SCI environments
• Integration across enterprise systems, APIs, and data platforms
• Performance optimization for high-reliability, mission-critical systems
• Implementation of DevSecOps practices and secure coding standards
• Troubleshooting across distributed, multi-language systems
• Agile development and rapid prototyping in classified settings

Key Responsibilities:
• Design, develop, test, and deploy full-stack applications in classified environments
• Write secure, maintainable code aligned with DoD cybersecurity standards
• Manage source code using Git/version control systems
• Debug and resolve complex, system-level issues across environments
• Develop and maintain system architecture and technical documentation
• Collaborate with engineers, program leadership, and mission stakeholders
• Ensure compliance with RMF and DoD cybersecurity requirements
• Participate in code reviews and enforce engineering best practices
• Support CI/CD pipelines and DevSecOps workflows in secure environments

Required Qualifications (Must Have):
• Active Top Secret clearance with SCI eligibility (TS/SCI or TS eligible for SCI)
• Bachelor’s degree in Computer Science, Software Engineering, or related STEM field
• 5+ years of full-stack software development experience
• 2+ years of Java development experience
• Experience with XML and data integration
• Proficiency in Linux/Unix environments
• Experience building secure, scalable, high-performance systems
• Strong system design and problem-solving capabilities
• Ability to work on-site in a classified TS/SCI environment

Preferred Qualifications:
• Experience supporting DoD, Air Force, or AFRL programs
• Familiarity with classified networks such as SIPRNet and JWICS
• Experience with DevSecOps, CI/CD, and automation pipelines
• Containerization experience (Docker, Kubernetes)
• Exposure to cloud environments (AWS, Azure GovCloud)
• Frontend experience with modern frameworks (React, Angular)

Work Environment:
• 100% on-site at Hanscom AFB, MA
• Work conducted within secure TS/SCI facilities
• Collaboration with cross-functional defense engineering teams

Why This Role:
• Direct contribution to high-impact national security missions
• Work within advanced classified environments (TS/SCI)
• Long-term program stability with continued mission funding
• Opportunity to work on cutting-edge defense technologies
group id: 91120852
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Name HiddenDirector - Technical Recruiting
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About Us
Valiant Harbor International is a CVE Service Disabled Veteran Owned Small Business that specializes in program, acquisition, and financial services for government science and technology, research and development, and technological programs. Here at Valiant Harbor International we emphasize extreme focus on helping federal government agencies identify and address organizational challenges in order to tailor and integrate specific solutions to solve their most difficult problems. Success is defined by our ability to meet our customer’s needs- we are a management consulting firm with a successful record of offering a wide range of professional, scientific, and technical services requiring a high degree of expertise and training. In a business environment that is rapidly evolving, success depends on innovative and value-driven solutions. Our professional management consulting services balance technical acumen with superior business performance to provide optimized solutions to e

Valiant Harbor International Jobs


Job Category
IT - Software
Clearance Level
Top Secret