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Open nowFirst seen 43 hours ago

Open-Source Software Security SME

ECS FEDERAL LLC262 open roles

Where
ARLINGTON, VA, USA
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Your applicationOpen nowOpen-Source Software Security SMEECS FEDERAL LLC · ARLINGTON, VA, USA

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market. ECS FEDERAL LLC postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: first seen 43 hours ago

ECS FEDERAL LLC median: 1 days open

The posting

Everforth ECS is seeking a Open-Source Software Security SME to join our team in Arlington, VA (Hybrid).

ECS is seeking an Open-Source Software (OSS) Security Subject Matter Expert to support the Cybersecurity and Infrastructure Security Agency (CISA). This role will strengthen open-source software security through vulnerability analysis, hands-on software development, and collaboration with technical teams and the open-source community. This is a hybrid position.

Key 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.

Salary Range: $185,000 - $235,000

General Description of Benefits

  • 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.
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