Penetration Tester III

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.Job DescriptionOverviewSOSi is seeking a Penetration Tester III to support proactive cyber defense activities in alignment with our customer. This role is responsible for conducting penetration testing and red team activities, assessing security posture across enterprise environments, and supporting identification, validation, and reporting of vulnerabilities to improve cyber defense resilience.Responsibilities· Conduct penetration testing across enterprise systems, applications, and network environments· Perform red team activities to evaluate security controls and identify exploitable weaknesses· Support continuous penetration testing activities to assess evolving threats and vulnerabilities· Conduct testing of IoT, mobile, and cloud environments· Support High Value Asset (HVA) security assessments· Apply testing methodologies and frameworks including MITRE ATT&CK, OSSTMM, OWASP, NIST, PTES, and ISSAF· Identify, document, validate, and report vulnerabilities and recommended remediation actions· Support cyber defense operations through coordination with security engineering, vulnerability management, and incident response teamsQualificationsExperience:Five (5) to seven (7) years of penetration testing experienceManagement or team lead experienceExperience performing continuous penetration testingExperience conducting red team operationsExperience performing IoT, mobile, and cloud penetration testingExperience supporting High Value Asset (HVA) assessmentsExperience applying MITRE ATT&CK, OSSTMM, OWASP, NIST, PTES, and ISSAF methodologiesEducation:Bachelor’s DegreeCertifications: Required:GPEN or GXPNCISA AES HVA Lead or Technical Lead, or ability to obtainPlus one of the following:GRTPCRTLOSCPCRTPCMWAPTCEPTCPTLPTClearance/Suitability: Secret (active)Additional InformationWork EnvironmentNormal office conditions with potential to perform duties in deployed locations.Core hours of operation are Monday through Friday, 0600 – 1700.May be requested to work evenings and weekends to meet program and contract needs.Working at SOSiAll interested individuals will receive consideration and will not be discriminated against for any reason.SummaryType: Full-timeFunction: OtherExperience level: Mid-Senior LevelIndustry: Information Technology And Services