Open-Source Security Expert — OSS & SBOM, Hybrid VA

ECS; Arlington (VA); Hybrid; USD 185,000 - 235,000; Full time

Benefits offered by this job

Job summary

Everforth ECS in Arlington, VA is seeking an Open-Source Software Security SME to join our hybrid team. You will strengthen OSS security through vulnerability analysis, hands-on development, and collaboration with open-source communities and internal teams for CISA projects.

The role requires US citizenship, a CS-related degree, and 8+ years in software security, with deep OSS experience. You will apply SBOMs, secure development practices, and AI-assisted tooling to identify risks and drive

Qualifications

• US citizenship with ability to obtain and maintain DHS Suitability (EOD).
• Bachelor’s degree in computer science, cybersecurity, software engineering, or related technical field.
• Minimum of 8 years’ professional experience in software development, cybersecurity, or related technical roles.
• At least 8 years of hands-on experience in open-source software security, application security, or vulnerability research.
• Experience in open-source software security, vulnerability analysis, and software development.
• Demonstrated experience developing, testing, and contributing code to production software systems, and open-source projects.
• Knowledge of secure development practices, dependency management, SBOMs, and software supply chain security.
• Experience using AI-assisted development or security tools and validating their results.
• Strong communication skills and ability to work across technical teams.

Responsibilities

• Support CISA’s Secure by Design initiatives and engagement with open-source organizations, maintainers, and vendors.
• Use AI-assisted tools to identify and analyze OSS vulnerabilities, validate findings, and recommend remediation.
• Assess existing vulnerabilities and identify opportunities for software hardening and modernization.
• Provide technical guidance on dependency management, Software Bills of Materials (SBOMs), and software supply chain risks.
• Translate CISA guidance into working tools and software contributions suitable for acceptance into active open-source projects.
• Contribute code, testing, and documentation to an open-source coding agent used as a reference implementation.
• Collaborate with vulnerability management, threat hunting, AI, product, and platform engineering teams.
• Participate in technical pilots and open-source community engagements.

Skills

OSS security

Vulnerability analysis

Open-source dev

SBOMs

Supply chain

AI-assisted tools

Code contribution

Secure dev practices

Communication

Dependency mgmt

Education

Bachelor's degree in CS / cybersecurity / software engineering

Job description

Everforth ECS in Arlington, VA is seeking an Open-Source Software Security SME to join our hybrid team. You will strengthen OSS security through vulnerability analysis, hands-on development, and collaboration with open-source communities and internal teams for CISA projects.

The role requires US citizenship, a CS-related degree, and 8+ years in software security, with deep OSS experience. You will apply SBOMs, secure development practices, and AI-assisted tooling to identify risks and drive