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Salary
≈ $101k – $230k per year (Estimated)
Location
In office (Washington)

Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Jun 17, 2026. One Federal Solution scores B on the Alion truth index.

Overview
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Profile match
One Federal Solution is a federal professional services contractor based in Alexandria, Virginia, that supports defense and civilian agencies with IT, data analytics, acquisition, program management and business operations services. A certified Service-Disabled Veteran-Owned Small Business with more than 20 years of experience, it also delivers digital transformation, Salesforce implementations, healthcare support and staffing through a range of government contract vehicles. Its openings include HSPD-12 credentialing and PIV specialists, site leads and program managers, cybersecurity engineers and analysts, management and FOIA analysts, web developers, realty specialists and truck drivers.

One Federal Solution is seeking a highly skilled cybersecurity professional to provide senior-level penetration testing, software assurance, and vulnerability assessment engineering support. The successful candidate will conduct comprehensive security assessments using industry-standard automated tools, identify and analyze vulnerabilities, and develop actionable remediation recommendations. Responsibilities include supporting vulnerability management, security patching, secure cloud and hybrid environment engineering, and Cross Domain Solution (CDS) activities.

Senior Penetration Testing, Software Assurance and Vulnerability Assessment Engineer Task and Duties:

  • Provide senior-level penetration testing, software assurance, and vulnerability assessment engineering support.
  • Conduct software assurance activities and penetration testing using a range of automated tools.
  • Support vulnerability assessment, security patch management, secure cloud/hybrid engineering, and CDS activities.
  • Identify, analyze, document, and communicate vulnerabilities and remediation recommendations.
  • Support secure engineering practices across cloud, hybrid, and software environments.

Senior Penetration Testing, Software Assurance and Vulnerability Assessment Engineer Qualifications:

  • Minimum 10 years of total related experience.
  • Minimum 2 years of recent experience in each of the following technical areas: software assurance, penetration testing with a range of automated tools, vulnerability assessment, security patch management, secure cloud/hybrid engineering, and CDS.
  • Mandatory Certified Ethical Hacker (CEH) and CISSP certifications, or comparable demonstrable experience.
  • Experience supporting vulnerability identification, assessment, remediation tracking, and secure engineering activities.

About One Federal Solution

One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves on thinking outside the box to co-create with our customers, helping them achieve exceptional enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing high-performance professionals who deliver excellence to our government partners.

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