Principal Cyber Software Engineer Top Secret

Caribou Thunder; Colorado Springs (CO); On-site; USD 100,000 - 117,000; Full time

Job summary

Caribou Thunder is seeking a Principal Software Cyber Engineer to lead secure software architectures for a next-generation ground-based radar system supporting Space Domain Awareness. You will drive secure coding, vulnerability remediation, and compliance across mission software, development, and operations teams.

The role requires active Top Secret clearance and hands-on expertise in Java, Python, C/C++, Spring, and CI/CD within Linux environments (RHEL/Ubuntu).

Qualifications

• Experience in secure software engineering for government or defense programs.
• Proficient in secure coding, vulnerability remediation, and code reviews.
• Familiar with defensive cyber operations and compliance frameworks.

Responsibilities

• Lead the development and sustainment of secure software architectures and cybersecurity protections for mission software and supporting services within a ground-based radar system.
• Design, develop, document, test, debug, and maintain software applications using Java, Python, JavaScript, C, C++, and Spring.
• Collaborate with cross-functional teams to integrate security requirements throughout the SDLC.
• Review source code, identify vulnerabilities, investigate defects, and implement secure coding practices.
• Analyze static/dynamic security results, justify findings, and plan remediation.
• Develop and maintain POA&Ms to track security findings and remediation progress.
• Integrate security tools and gates into CI/CD pipelines for secure builds/releases.
• Translate cybersecurity policies into developer tasks and acceptance criteria.
• Support CM, source control, branching strategies, and controlled releases across Agile teams.
• Assess dependencies, SBOMs, and supply chain risks for software integrity.
• Apply NIST SP 800-53, RMF, and DISA STIG requirements where applicable.
• Evaluate vulnerabilities in Linux (RHEL/Ubuntu) and remediate.
• Support container security and orchestration hardening (Docker/Kubernetes) and image scanning.
• Coordinate vulnerability lifecycle management and cross-environment remediation.
• Help protect PII, classified, and export-controlled data in mission software.
• Support CDS transfer approvals and cybersecurity compliance workflows.
• Provide technical leadership to engineering teams and promote secure development practices.

Skills

Java

Python

JavaScript

C

C++

Spring Framework

Agile methodologies

Secure coding practices

POA&Ms

CI/CD

Tools

Docker

Kubernetes

SAST tools

Fortify

SonarQube

RMF

Job description

Caribou Thunder is seeking a Principal Software Cyber Engineer to lead secure software architectures for a next-generation ground-based radar system supporting Space Domain Awareness. You will drive secure coding, vulnerability remediation, and compliance across mission software, development, and operations teams.

The role requires active Top Secret clearance and hands-on expertise in Java, Python, C/C++, Spring, and CI/CD within Linux environments (RHEL/Ubuntu).