26 to 48 of 48 Security Penetration Tester Jobs

a career packed with opportunities to grow and the ability to have an impact on every client you work with. ARSIEM seeks a Penetration Tester 3 . This position will support one of our government clients in Annapolis Junction, MD. Responsibilities Serve as a … Subject Matter Expert, providing testing expertise of the Risk Management Framework. Direct and participate in the testing phase of security control assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. Minimum Qualifications Eight (8) experience of related work experience as a Penetration Tester performing network and application-level testing using established test protocols and methods. A bachelor's degree in Computer Science or Information Technology Engineering. Four (4) additional years of Penetration Testing experience may be substituted for a bachelor's degree. Required More ❯

Title Network Operations Specialist / Penetration Tester- Intermediate Full-Time / Part-Time Full-Time Description RiVidium Inc (dba, TripleCyber) is seeking a Network Operations Specialist / Penetration Tester who plans, implements, and operates network services / systems … tools (e.g. Nslookup, Ping, and Traceroute).Requirements: Associate degree or higher from an accredited college or university Prefer an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field. Certification(s): Certification requirements … IAT Level 2 and Two Penetration Testing Certifications (e.g. GPEN, GWAT, GCIH, CEH, GPYC, LPT, CPT) About the Organization Established in 2008, RiVidium, Inc. (dba TripleCyber) is a VA-Verified SDVOSB and an SBA-Certified 8(a) company. To prepare our clients for the future, RiVidium has More ❯

contingent upon funding with an expected start date of December 2025 Top Secret / SCI Clearance required SRG is seeking a Red Team Penetration Tester III, you will be responsible for leading and executing complex penetration testing events and conducting offensive … collaboratively with Blue Team and Cybersecurity professionals to enhance the overall cyber posture. On-site only, no telework. Develop, modify, and utilize offensive security tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike Mimic threat actor behavior using TTPs aligned with frameworks like MITRE ATT&CK … Computer Science, or equivalent to above disciplines. Required Certification: • DoD 8570.01-M in accordance with (IAW) DFARS Baseline Certification, minimum CSSP Auditor. • Offensive Security Certified Professional (OSCP), or Offensive Security Certified Expert (OSCE), or Offensive Security Exploitation Expert (OSEE), or Offensive More ❯

contingent upon funding with an expected start date of December 2025 Top Secret / SCI Clerance required SRG is seeking a Red Team Penetration Tester IV, you will be responsible for leading and executing complex penetration testing events and conducting offensive … collaboratively with Blue Team and Cybersecurity professionals to enhance the overall cyber posture. On-site only, no telework. Develop, modify, and utilize offensive security tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike Mimic threat actor behavior using TTPs aligned with frameworks like MITRE ATT&CK … Computer Science, or equivalent to above disciplines. Required Certification: • DoD 8570.01-M in accordance with (IAW) DFARS Baseline Certification, minimum CSSP Auditor. • Offensive Security Certified Professional (OSCP) required, plus one of the following certifications: Offensive Security Certified Expert (OSCE), Offensive Security More ❯

doing what's right, what's smart, and what works. About the Role Redhorse transforms how government uses data and technology. As a Penetration Tester, you'll play a critical role in ensuring the security and resilience of our systems and … those of our government clients. You'll be responsible for identifying vulnerabilities, developing mitigation strategies, and enhancing our overall security posture. Your work will directly impact the security of sensitive information and contribute to Redhorse's commitment to delivering secure and reliable solutions. This … is an opportunity to make a tangible difference in a high-impact environment. Key Responsibilities Conduct penetration testing of various systems, including enterprise systems and hypervisors. Apply computer attack methods and system exploitation techniques to identify vulnerabilities. Analyze network architectures and perform network security More ❯

Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced … and grow professionally. Dionach by Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and fostering team development,be joining a company that prioritizes both your growth and the safety of our clients. We're in an … you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site More ❯

Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced … and grow professionally. Dionach by Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and fostering team development,be joining a company that prioritizes both your growth and the safety of our clients. We're in an … you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site More ❯

Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced … and grow professionally. Dionach by Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and fostering team development,be joining a company that prioritizes both your growth and the safety of our clients. We're in an … you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site More ❯

Responsibilities & Qualifications RESPONSIBILITIES Plan, execute, and document full-scope penetration tests and adversary emulation exercises. Develop, modify, and utilize offensive security tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike. Mimic threat actor behavior using TTPs aligned with frameworks like MITRE ATT&CK. … to enhance overall cyber posture. REQUIRED QUALIFICATIONS Experience: Minimum of 7 years of full-time professional experience in each of the following: Conducting penetration testing or offensive cyber operations. Developing and using tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike. Mimicking threat behavior and adversary … Baseline Certification: Category CSSP Auditor (One of the Following): CEH CySA+ CISA GSNA CFR PenTest+ One or more of the following certifications: Offensive Security Certified Professional (OSCP) Offensive Security Certified Expert (OSCE) Offensive Security Exploitation Expert (OSEE) Offensive Security More ❯

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and … Visit to learn how we're keeping people around the world safe and secure. Program Overview About The Role Peraton seeks a Cyber Penetration Tester Job Responsibilities: Performs complex penetration testing services for a wide variety of systems, devices, networks, and … applications to identify exploitable vulnerabilities. Conducts continuous penetration testing of the enterprise. Assesses the effectiveness of security controls implemented to protect systems in support of the Authorization Process, security impact analysis, through change management and as required. Mimics attacks of threat More ❯

as a Subject Matter Expert providing testing expertise of the Risk Management Framework. Direct and / or participate in the testing phase of security controls assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. Perform vulnerability and penetration testing … using a wide variety of tools Research and evaluate emerging technologies relevant to information systems security; interpret agency specific and federal security regulations Perform both network and application-level testing using established testing protocols and methods Qualifications: Eight (8) experience of related work experience … as a Penetration Tester performing both network and application-level testing using established test protocols and methods. A Bachelor's degree in Computer Science or a related field (e.g. General Engineering, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Computer Forensics, Cybersecurity, Information Technology, Information More ❯

Gray Tier Technologies is seeking a Penetration Tester with Cloud experience to support our customer in Ashburn VA. The Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program … responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks / wide area networks (LAN / WAN), commercial Internet connection, public facing websites, wireless, mobile / cellular, cloud, security devices, servers and workstations. The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations. Primary Responsibilities: • Perform cloud pentests and act as the cloud pentesting More ❯

strategic goals and empower our people to make an impact and develop their own unique career path. We are seeking an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you'll be delivering offensive security services including … digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling … perfect for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using More ❯

At Vertical Structure (an Instil Company), we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a CTL (Infrastructure) to join our dynamic team based in Belfast. As a … Pen Tester, you will be part of the delivery team, conducting penetration tests and vulnerability assessments across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security … to-end testing, collaborating with clients during kick-off and discovery sessions, providing expert advice and follow up. Stay current with the latest security threats, vulnerabilities, and trends. Research offensive security techniques to assess and validate infrastructure and technologies, including cloud-based systems continuously More ❯

Are you ready to lead projects that protect and secure digital assets? Ardent Principles is searching for a full-time Cyber Security Engineer to enhance our security initiatives onsite, full-time in Herndon, VA. If you're passionate about cyber security … top priorities because your satisfaction leads to the success of our clients. Key Responsibilities In this challenging yet rewarding role as a Cyber Security Engineer, you are an integral part of what brings our Company's mission to life. You should have the following required skills, certifications … and demonstrated experience in and / or with: Cyber security or related IT field Cyber penetration testing Applying computer attack methods and system exploitation techniques Working knowledge of cyber security principles for Linux, Windows, and virtual platforms Designing, testing, or implementing More ❯

Responsibilities & Qualifications RESPONSIBILITIES Lead and execute complex Red Team penetration tests and cyber adversary emulation operations. Design, develop, and employ offensive tools using platforms such as Metasploit, NMAP, Kali Linux, and Cobalt Strike. Emulate threat actor TTPs based on MITRE ATT&CK, APT profiles, and emerging threat … Exploit and manipulate Active Directory environments to assess internal and external threat postures. Perform exploit development and vulnerability research to identify and validate security flaws. Identify limitations in existing toolsets and develop custom techniques to improve effectiveness and stealth. Script and develop tools in at least three … document findings and support remediation strategies. REQUIRED QUALIFICATIONS Experience: Minimum of 10 years of full-time professional experience in Red Team operations and penetration testing, including: Developing and leveraging offensive tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike. Simulating adversary behavior and TTPs. Operating across More ❯

Task Force Talent is seeking a Penetration Tester with an active TS / SCI FSP security clearance. Target salary range is 100k - 210k, depending on experience level. Our client for this role is a small company with very unique experience and … or similar areas. This is uniquely rewarding, high-impact work that cannot be done elsewhere. _ NOTE: If you do not have an active security clearance, please apply here instead: _ Qualifications U.S. citizen with active TS / SCI FSP security clearance. (Sorry, we are unable … to sponsor or upgrade clearance s for this role.) Experience with: Grey and black box penetration testing and system exploitation against desktops, servers, applications, operating systems, and security systems to gain root and administrator access Performing reconnaissance, privilege escalation persistence, lateral movement, and payload More ❯

Title: Cyber Security Project Engineer (Pen Tester) Location: Herndon, VA Clearance: Active TS / SCI w / Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on … Generation Program CollegeAmerica 529 Fitness Reimbursement Program Travel Assistance Norton Lifelock Benefit Solutions Life Planning Financial & Legal Services Demonstrated work experience in cyber security or related IT field Experience with cyber security penetration testing Experience leveraging adversarial tactics to conduct hands … on security testing Experience applying computer attack methods and system exploitation techniques Working knowledge of cyber security principles for Linux, Windows, and virtual platforms Experience designing, testing, or implementing IT security architecture Experience performing network security analysis Experience More ❯

Penetration testers shall be responsible for identifying network vulnerabilities in target systems and recommending defensive measures to defend against possible attack by an adversary. Qualifications Shall have a minimum of nine (9) years of penetration testing experience; or a Bachelor of Science degree in … Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical major and five (5) years penetration testing experience; or a Master's degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical major with an emphasis on penetration testing and two … years of penetration testing experience. In addition, the individual shall have demonstrated ability and / or experience in the following areas: • Tester using tools such as nmap, nessus, dsniff, libnet, netcat, and network sniffers and fuzzers. • Exploit identified vulnerabilities. • Develop methods to defend against More ❯

you a problem solver? Do you like complex, challenging puzzles? This position involves a blending of several disciplines to include, but not limited, penetration testing, reverse engineering, and code / script development. In this role, you will apply your talents to reverse engineer executables to identify flaws … Squadron (318RANS) who provides instrumented cyber range services, through both physical hardware and virtual systems. In support of this mission, ANALYGENCE is seeking Penetration Testers (PT) to conduct assessments of threats and vulnerabilities; determine deviations from acceptable configurations, enterprise, or local policy; assess risk levels; and recommend … Develop exploits for exposed vulnerabilities with a focus on non-interference of mission partner systems and networks Conduct and / or support authorized penetration testing on enterprise network assets Maintain deployable cyber defense audit toolkit (e.g., specialized cyber defense software and hardware) to support cyber defense audit More ❯

engineering aspects of CS. CS continues to be approached as compliance-based and this has not addressed significant shortcomings and vulnerabilities in the security of naval warfare systems and other service warfare systems. CS requirements must be included during the design, development, and sustainment phases of systems … Engineering Must have prior Red Team experience Must have CSSP Auditor certification Must currently possess a DoD Top Secret clearance Must possess Offensive Security Certified Professional (OSCP), or Offensive Security Certified Expert (OSCE), or Offensive Security Exploitation Expert (OSEE), or Offensive … Security Wireless Professional (OSWP) certification. Seven (7) years of full-time professional experience conducting penetration testing or offensive Cyber operations in each of the following areas: Developing and utilizing penetration tools such as Metasploit, NMAP, Kali Linux, Cobalt Strike; Mimicking threat More ❯

engineering aspects of CS. CS continues to be approached as compliance-based and this has not addressed significant shortcomings and vulnerabilities in the security of naval warfare systems and other service warfare systems. CS requirements must be included during the design, development, and sustainment phases of systems … AWARD Requirements Bachelor of Science in Computer Science, or Bachelor of Science in Computer Engineering Must have have one of the following: Offensive Security Certified Professional (OSCP), or Offensive Security Certified Expert (OSCE), or Offensive Security Exploitation Expert (OSEE), or Offensive … Security Wireless Professional (OSWP) certification Must currently possess a DoD Top Secret clearance Must currently possess Current CSSP Auditor certification Ten (10) years of full-time professional experience conducting penetration testing and / or offensive Cyber operations including demonstrated experience in each of the More ❯

impact on U.S. forces worldwide. Provides risk assessments on the transfer and diversion of defense and dual-use U.S. technologies and assesses national security implications associated with foreign involvement in critical U.S. defense technology and defense sectors. Produces intelligence for the U.S. National, Defense and Acquisition Communities. … us a trusted partner in delivering data-driven insights and technological excellence for critical missions. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. US Citizenship Required Interested Candidates: Please forward your resume to and please More ❯