In this position, you will serve as a Vulnerability Assessor for the Space Systems Protection Directorate. You will be required to execute technical offensive security assessments for government and military customers. This role leverages penetration testing and reverse engineering that requires seasoned technical leadership, deep hands-on skills, and the ability to translate findings into actionable remediation and risk reports for system owners. Candidates should be fluent in adversary emulation, exploit development, binary analysis, firmware and software reverse engineering, and common pen testing tool chains. Additional responsibilities include: (1) Plan, scope, and lead complex vulnerability assessments and penetration tests of space vehicle and support systems, including traditional information systems, cloud based systems, network, host, embedded, application, RF/telemetry, and vehicle architecture; (2) Perform hands-on red team / adversary emulation engagements that include reconnaissance, privilege escalation, lateral movement, persistence, and data-exfiltration scenarios tailored to mission system architectures; (3) Reverse engineer firmware, device binaries, software components, and proprietary protocols to discover logic flaws, hidden functionality, or exploitable vulnerabilities (static and dynamic analysis); (4) Develop and test proof-of-concept exploits, custom tooling, fuzzers, and automation to validate high-impact findings and demonstrate risk to stakeholders; (5) Produce high-quality deliverables including Test Plans, Exploitation & Findings Reports, Risk/Impact Analyses, Remediation Recommendations, and executive briefings suitable for Authorizing Officials; (6) Integrate assessment outputs with government authorization workflows and evidence systems (e.g., eMASS) and contribute findings into SARs, POA&Ms, and continuous monitoring processes; (7) Mentor and lead junior assessors and testers; perform quality reviews of technical findings and test methodologies; and (8)
Stephenson Stellar Corporation's mission is to create ready and relevant advances at the nexus of space and cyberspace by delivering leading edge solutions that assure the integrity and resiliency of our nation’s strategic space capabilities.