Penetration Tester III
SOSI
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
$130k - $190k
...and stability worldwide.Job SummaryWe are currently seeking a Penetration Tester. This position is a full-time opportunity located in... ...technologiesDefense Acquisition University (DAU) T&E Level I, II, and/or III certification or equivalentExperience assessing cybersecurity...SuggestedFull timeWork experience placementWork at officeLocal areaRemote workWorldwideFlexible hours- Cyber Network Forensic Analyst III, TS/SCI Raytheon Technologies provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity...SuggestedImmediate startRemote work
- ...worldwide.Job Description*** This position is contingent upon contract award ***OverviewSOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer. This role is responsible for supporting security...SuggestedContract workWork at officeWorldwideMonday to FridayWeekend workAfternoon shift
- ...worldwide.Job Description*** This position is contingent upon contract award ***OverviewSOSi is seeking a Cyber Intelligence Analyst III to support cyber threat intelligence activities in alignment with our customer. This role is responsible for producing and managing cyber...SuggestedContract workCasual workWork at officeRemote workWorldwide
$180k - $220k
As Sr. Cyber Operations Engineer III (NOC/SOC), you’ll help strengthen the reliability and security of complex enterprise environments. You will bring together network operations, security operations, monitoring, automation, and incident response to improve situational...SuggestedFull timeLocal areaNight shift$80.2k - $90k
Systems/Quality Analyst II-III (EDI Enrollment) Hybrid role (3 days/week in office) at our Burlington, Renton, Spokane, Vancouver, Portland, Medford, Salt Lake City, Boise, Lewiston, or Fargo offices. Candidates must reside within commutable distance of that location or...Full timeWork at officeImmediate startWork from homeRelocationFlexible hours3 days per week- ...Title: Network Based Systems Analyst III Description: Solutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission critical development and sustainment program for on and offsite incident response to Government agencies...Full timeFor contractorsImmediate start
- ...Job Description Job Description Computer Systems Analyst III Part time Work Environment: Hybrid work arrangement with a combination of onsite and remote support. Occasional travel may be required based on project needs. Summary: We are seeking...Contract workTemporary workPart timeRemote work
$134.5k - $265.1k
...needed for clients’ post-deployment.Recruiting for this role ends on 12/31/2026.Work you'll doAs an Engineering and Product Engineer III on the Cyber Engineering team, you will be responsible for:Translating business and cybersecurity needs into technical solutions, including...Local areaVisa sponsorship- ...referral program, and educational assistance. Additional details are available on our website: Position Title : Subject Matter Expert III - Information Systems Security Engineer Location : Arlington, VA or Mechanicsburg, PA Clearance : Secret Job Summary:...Full timeLocal area
- ...Job Description Job Description Title: Senior Cyber Defense Analyst III Location: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Job Details: Perform and lead advanced investigation of complex security events...Shift work
- ...employer paid for employee life, STD & LTD disability coverages 401k with company match and profit sharing Flexible Spending Account (FSA) for dependent & health care 11 standard holidays & 3 weeks of annual leave Incident Manager - III - IMG03 ESS 3322, 3324...Full timeLocal areaFlexible hours
$90k - $130k
...Full-Time Clearance Requirement: TS/SCI Clearance Required Position Overview:Praescient Analytics is seeking a highly motivated Penetration Tester to join our cybersecurity team in Arlington, VA, supporting the Department of War (DoW) Chief Digital and Artificial...Full timeWork at office$104k - $166k
ResponsibilitiesPeraton is currently seeking to hire an experienced Penetration Tester for its Federal Strategic Cyber Group. Location: Chandler, AZ and Washington DC.Role and Responsibilities: We are seeking to hire an experienced and highly skilled Penetration Tester...Contract workCurrently hiringShift work$86k - $138k
ResponsibilitiesPeraton is seeking an experienced Cyber Penetration Tester to become part of Peratons’ Federal Strategic Cyber programs. Location: Northern VA; Hybrid - flexible as long as person can come on-site as & when needed. In this role, you will: Support the Red...Contract workFlexible hoursShift work- DescriptionSAIC is seeking a highly motivated Penetration Tester. The successful candidate will provide support to the Cybersecurity Integrity Center (CIC) in the Department of State Bureau of Information Resource Management (IRM). Duties are in the Washington, D.C. metropolitan...Work at officeLocal areaShift work3 days per week
- ASRC Federal Technology Solutions is seeking an experienced Penetration Testerto lead advanced security assessments and contribute to the... ....Manage and mentor a small team of junior penetration testers; provide technical guidance and training.Build and lead a Purple...3 days per week
- ...Description Job Description Position Overview RiVidium Inc. is seeking a highly experienced Cybersecurity Program Manager — Level III / Key to provide senior leadership and technical oversight for cybersecurity programs supporting a federal customer. The...Contract workFor subcontractor
$113k - $188.4k
...financial performance, accelerate new digital ventures, and fuel growth through innovation. Work You’ll Do As a Data Management Engineer III on the project, you will: Gather client requirements and provide technical guidance to ensure successful deployment and integration...Local areaNight shift$124.54k - $180k
GovCIO is currently hiring for a Senior Pentration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC.ResponsibilitiesThe Senior Penetration Tester serves as Key Personnel responsible for leading advanced penetration testing and vulnerability...Currently hiring- ...Penetration Tester Locations: Los Angeles (CA), Dallas (TX), Washington DC. Responsibilities: Assist in project scoping and SOW creation Perform offensive engagements including red teaming and penetration testing Perform penetration tests against external...Work experience placement
$146k
...for travelers everywhere. Application Security Engineer III Our Technology Team partners with teams across Expedia Group... ...ML security implications such as the OWASP LLM Top 10 and basic penetration testing concepts. Demonstrated success enabling developers...Shift work$113k - $188.4k
...financial performance, accelerate new digital ventures, and fuel growth through innovation. Work you'll do As a Project Software Engineer III on the GPS Engineering as a Service team, you will be responsible for delivering Appian-based business process solutions that support...Local areaFlexible hours- ...Title: Host Based Systems Analyst III Description: Solutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission-critical provide remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident...Full timeFor contractorsImmediate startRemote work
- ...Vision to Life, Design with Purpose Location: Spokane, WA Full-Time - Exempt Salary: Architect II - $75,500 - 101,500/Architect III - $86,200 - $121,000 Who We’re Looking For Are you ready to take your architectural career to the next level? Do you see design...Full timeFor contractorsWork at office
$144.3k - $240.5k
Position Summary Design, build, and modernize enterprise integration solutions that connect systems, data, and applications across complex environments. As a Lead Integration Engineer II, you will help deliver scalable, secure, and reliable integration capabilities...Contract work$75.2k - $158.1k
Job Title: Endpoint Security Engineer III - NessusJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:CACI has an exciting...Long term contractContract workWork experience placementLocal areaFlexible hours- ...Description Tharros is seeking a Senior Penetration Testing, Software Assurance and Vulnerability Assessment Engineer to support a DHS Intelligence and Analysis cybersecurity program in the National Capital Region. This role will support advanced penetration...
$95.6k - $188.4k
...financial performance, accelerate new digital ventures, and fuel growth through innovation. Work you'll do As a Project - Software Engineer III on the Engineering as a Service team, you will be responsible for: Designing and developing APIs, including specifications, endpoints...Local areaFlexible hours- Job Summary: The Penetration Tester is responsible for conducting hands-on security testing to assess vulnerabilities across cloud, network, and application layers. This part-time remote role focuses on ensuring the integrity of evidence, thorough documentation, and reproducible...Contract workPart timeRemote workFlexible hours
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