Senior Software Engineer / System Engineer

Piper Companies is seeking a Senior Software Engineer / System Engineer for a government technology and cybersecurity organization located in Annapolis Junction, MD. The Senior Software Engineer / System Engineer is an On-site position supporting the modernization and productization of secure mission-focused software platforms. An ideal candidate for the Senior Software Engineer / System Engineer is a senior-level engineer with expertise in Java development, cryptographic technologies, and secure enterprise architectures.

Responsibilities of the Senior Software Engineer / System Engineer:

• Design and develop secure software solutions supporting enterprise product modernization initiatives.
• Build and enhance encryption libraries, key management services, and related system integrations.
• Collaborate with cross-functional teams to implement scalable architectures and development standards.
• Support project planning, testing, troubleshooting, and deployment activities across secure environments.

Qualifications of the Senior Software Engineer / System Engineer:

• 12+ years of software engineering experience with extensive Java development expertise.
• Experience with C/C++, Python, Go, or Rust and modern software development practices.
• Strong background in cryptography, encryption technologies, and key management services.
• Active TS/SCI clearance with Polygraph required.

Compensation for the Senior Software Engineer / System Engineer includes:

• Salary range:
• Comprehensive benefits package including medical, dental, vision, 401(k), sick leave as required by law, and PTO.

This job opens for applications on 11/10/2026. Applications for this job will be accepted for at least 30 days from the posting date.