Application Developer; TS​/SCI Security Clearance

Position: Application Developer (TS/SCI) with Security Clearance
Zachary Piper Solutions is seeking Application Developers to support an Intelligence program in Herndon, VA. We are seeking skilled developers to support front-end, back-end, and devsecops practices for web applications used to gather and produce geospatial intelligence for a critical agency. Details below:
Clearance:
Top Secret/SCI

Location:

Herndon, VA (100% onsite) This job opens for applications on 6/5/2026. Applications for this job will be accepted for at least 30 days from the posting date Responsibilities:
· Design, develop, test, and maintain software applications in accordance with established development standards and best practices.
· Apply structured development methodologies across the full Software Development Life Cycle (SDLC), including requirements analysis, design, implementation, testing, deployment, and maintenance.
· Develop high-quality, scalable, and maintainable code using Java and integrate XML-based data structures where required.
· Implement and support integration of Commercial Off-The-Shelf (COTS) and Free/Open Source Software (FOSS) solutions within existing systems.
· Work across heterogeneous environments, including Linux and Windows operating systems, ensuring seamless interoperability and performance.
· Diagnose, troubleshoot, and resolve application defects, system issues, and performance bottlenecks in a timely manner.
· Develop and maintain comprehensive documentation for software design, code, testing, and deployment processes.
· Ensure compliance with organizational software development standards, policies, and security guidelines.
· Collaborate with system users, stakeholders, and cross-functional teams to gather requirements and ensure solutions meet mission needs.

Qualifications:

· Bachelors degree from accredited university and 3-10 years of software engineering experience
· Active TS/SCI clearance
· Strong experience in Java application development.
· Proficiency in working with XML and related data formats.
· Experience integrating and maintaining COTS and FOSS solutions.
· Hands-on experience supporting applications in multi-platform environments (Linux and Windows).
· Strong understanding of software development lifecycle (SDLC) processes and methodologies.
· Experience with secure or classified environments and mission-focused systems.
· Familiarity with version control systems (e.g., Git) and modern development tools.
· Exposure to Agile or Dev Ops practices.
· Knowledge of web services, APIs, or service-oriented architectures. Compensation:
· Total compensation based on experience level - $150,000 - $190,000+
· Full Benefits: PTO, Holidays, 401K, Medical Dental Vision coverage, Certification Reimbursement
· Contract stability and mobility through Zachary Piper Solutions
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