176 to 200 of 437 Penetration Testing Jobs

Role: Penetration Tester Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. … The company have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to date with industry trends More ❯

Job Title: Penetration Tester Location: Leeds/Hybrid Reports To: Head of Cyber Services Salary: £55,000 - £60,000 Travel: Occasional client site visits About Us We're a rapidly growing cybersecurity reseller and MSP delivering cutting-edge security solutions across network, endpoint, cloud, and offensive security testing. Our mission: empower clients to expose and eliminate critical vulnerabilities before … attackers do. We're expanding our offensive security team and need an experienced Penetration Tester to deliver high-impact, real-world security assessments that drive tangible improvements. The Role - What You'll Own You will simulate sophisticated cyberattacks across client environments - from networks and web apps to cloud and endpoints - exposing weaknesses before adversaries can exploit them. Your findings … will guide clients to stronger, more resilient security postures. Lead internal and external penetration tests , including infrastructure, web, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Identify and safely exploit vulnerabilities to demonstrate real business impact . Deliver clear, actionable reports tailored to both technical teams and 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 … to 10 years of professional experience with a Masters' degree. At least 6 years pentesting experience with at least 2 years cloud pentesting experience. Applicant should be proficient in testing of Kubernetes, Docker, and AWS infrastructure, with supporting knowledge from testing other cloud providers. Certifications: At least one mobile pentesting certification such as SANS GMOB • CISSP • GISF • GPEN More ❯

CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. … could exploit, and makes recommendations to safeguard assets. What you'll be doing: Providing professional cybersecurity consultancy to internal and external stakeholders. Leading the delivery of PGI's infrastructure penetration testing. Collaborating on the design and delivery of new and existing service lines related to offensive security assessments. Supporting and often leading technical pre-sales, proposal writing, and client … ensure successful outcomes. Mentoring security consultants or clients by sharing knowledge and overseeing skill development. Participating in exercises such as Capture The Flag (CTF) challenges. Providing accurate scoping of penetration testing opportunities for sales activities. Supporting sales activities with proposals and client presentations. Supporting marketing with subject matter expertise and content development. Developing and maintaining technical skills and More ❯

Why join 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 team, build your skills, and grow professionally. Dionach by Nomios holds impressive … environment for all our employees. If 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 customer engagements. Lead on developing and providing … equivalent level. Experience : At least 5 years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. Communication : Strong verbal and More ❯

Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work across … range of areas including Risk Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in the Security control, measures … go. Our roles are only available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in the UK. CGI has a More ❯

Agile methodologies and promote a culture of continuous improvement. We are seeking an enthusiastic Senior Test Engineer (Non-Functional Security) with strong technical skills to deliver and support security testing workstreams, including vulnerability assessments and penetration testing. You will guide other testers on security testing best practices. You will be part of our non-functional testing specialist team, collaborating closely with your team and overseeing the testing process. This role offers the chance to explore new tools and approaches to improve service delivery. Companies House offers a flexible, welcoming culture that promotes work-life balance and wellbeing. Benefits include flexible working with no core hours, 30 days annual leave, 8 bank holidays, 1 privilege … cannot offer Visa sponsorship. A Security Check (SC) is required, with at least 3 out of the last 5 years in the UK. Key responsibilities Coordinate and execute security testing within the software development lifecycle, including vulnerability scans using tools like Burp Suite, and testing security issues. Support the wider testing team by sharing knowledge on security More ❯

to safeguard the organisations reputation and digital assets by ensuring robust, secure, and resilient platforms - even when managed by external partners. This individual will not only conduct independent PEN testing and identify security improvements but also act as the internal advocate for digital best practices, coordinating across multiple suppliers to drive continuous improvement in platform governance, availability, and risk … management. Key Responsibilities Conduct penetration testing (PEN testing) and security reviews across TrustMarks digital products and supplier-managed environments (AWS, APIs, websites, and data platforms). Identify vulnerabilities and provide clear, actionable recommendations for improvement to third-party suppliers. Act as the internal champion for digital security, operational resilience, and governance best practices. Collaborate with suppliers (TechInfluence … to be adopted across the supplier ecosystem. Provide assurance and reporting to TrustMark stakeholders on the health, risks, and maturity of the digital estate. Facilitate periodic reviews, audits, and testing exercises to evaluate infrastructure and application robustness. Stay abreast of emerging threats, vulnerabilities, and regulatory standards relevant to cloud-native and outsourced environments. Essential Skills and Experience Proven experience More ❯

Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking for proactive and self-motivated individuals for our Technical Operator positions to work closely with our Penetration Testers. You should have multiple years conducting targeting in support of cyber operations, specifically conducting vulnerability research on targets and systems to gain network/system access. You should … the operational environment to identify appropriate equipment/systems required to meet operational needs. • Devise new techniques by applying technical capabilities in innovative scenarios DESIRED SKILLS • Prior experience in penetration testing, red team operations, incident response or computer forensics. • Ability to interact and communicate with individuals from diverse backgrounds and cultures and to convey technical information to non … sound judgment, good administrative and organizational skills. • Knowledge of the process and techniques for recruiting. • Knowledge writing methods and systems as well as policies and regulations. • Technical certifications in penetration testing or cyber security such as SANS GIAC certifications (GPEN, GXPN, GCIH, GWAPT, GCFA, etc), Offensive Security (OSCP), Certified Ethical Hacker (CEH) • General technical certifications such as CompTIA More ❯

Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS systems Deliver cybersecurity awareness training and lead ad-hoc security projects Support and resolve issues identified during penetration testing Ideal Experience We're looking for someone with strong hands-on experience in most of the following technologies: Essential: CrowdStrike EDR Mimecast Duo, Okta Rapid7 IVM, Tenable … patching Kali Linux, Metasploit, NMAP, BurpSuite Candidate Profile Professional certifications such as CISM, MS SC100/200/900, OSCP are advantageous Background in financial services, SOC environments, or penetration testing preferred Strong interpersonal and communication skills, with the ability to engage across teams and deliver training effectively Able to manage multiple priorities and collaborate cross-functionally What More ❯

specialised government and commercial contracts that will allow you develop and grow your skills within the industry. As a Cyber Defence Assistant Manager you will; Be responsible for the testing and oversight of junior testers under your leadership Completing peer reviews of your deliverables (QA) Developing a rapport with clients both inside and outside our client company along with … years' experience within the field Have SC clearance or the ability to go through SC clearance Any SecOps related certification (including security vendor certificates) A understanding and demonstration of penetration testing and red-tanning (NCSC and CREST accredited schemes) Strong technical background in computing, networks and programming Excellent communication skills A genuine interest to work for multi-national … essentials for this role; A CISSP,CISM,CCSP,GIAC certification or any equivalent Knowledge of working in secure environments and accredited labs R&D experience Threat intelligence experience Application testing experience Reference: AMC/DRI/CBAM Postcode: E14 #dari More ❯

ll Be Working On: ️ Assessing client security systems, identifying vulnerabilities, and recommending mitigation strategies ️ Developing and implementing comprehensive security solutions, policies, and frameworks ️ Conducting security audits, risk assessments, and penetration testing ️ Advising on data protection, incident response, and regulatory compliance (e.g., GDPR, ISO 27001) ️ Providing training and guidance to clients on best practices for cybersecurity What We're More ❯

security engineer. The successful candidate will have experience gained in a broad, hands-on security engineering position. Relevant certifications such as CISM and/or Microsoft certifications are desirable. Penetration testing experience or certifications would be beneficial. Hybrid working is available (3 days in central London). The salary is £75,000 base plus benefits and bonus. More ❯

make well-considered and informed recommendations to IT Security Manager. Examine security systems and web applications. Monitor security access across the organisation. Assist with conducting security assessments through vulnerability testing and risk analysis within good time and to a high standard. Assist with performing both internal and external security audits. Analyse security logs from various systems for breaches and … to fulfill security requirements. Review daily security logs for abnormal events and escalate them to the IT Security teams in a timely manner. Conduct technical vulnerability assessments and regular penetration testing of IT systems and processes to identify potential vulnerabilities and provide recommendations for risk mitigation. Knowledge, skills and experience Essential skills: BSc in Cyber Security, Computer Science … a robust and trustworthy security configuration for various devices, ensuring that all security protocols are effectively set up to protect against unauthorized access and potential threats. Substantial experience of testing and reviewing security solutions. Practical experience of effectively managing cyber incidents. Strong reasoning and advisory skills, with the ability to effectively engage with and influence senior management. Able to More ❯

mitigate potential threats and vulnerabilities ️ Configuring and managing firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and other network security tools ️ Conducting regular network security assessments and penetration testing to ensure optimal security ️ Collaborating with IT and security teams to ensure proper network access controls, policies, and encryption standards are in place What We're Looking More ❯

Science, Cyber Security, or related is preferred. Relevant experience must be in information systems design, development, programming, information/computer/cyber/network security, vulnerability analysis, system auditing, penetration testing, computer forensics, computer systems research, and/or systems engineering (i.e., requirements analysis, design, implementation, testing, integration, deployment/installation, and maintenance). Experience in the More ❯

extend it across cloud providers Collaborate with onshore and offshore teams to promote DevSecOps and security practices Configure AWS and third-party security tools, working with managed SOC and penetration testing providers Lead AWS security projects, ensuring correct design and delivery of security requirements Continuously improve security using automated scanning and monitoring tools Stay updated on cloud infrastructure More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: Responsible for … risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, auditing, security authorization process, principles of Cybersecurity (confidentiality, integrity, non-repudiation, availability, access control), and security testing Bachelor's Degree in Computer Science or IT Engineering or a related technical degree from an accredited college or university. In lieu of a Bachelor's degree, an additional More ❯

Terraform, Ansible, Infrastructure as Code (IaC), DevOps, Kubernetes, Docker, Pen Testing, Splunk, Nutanix, Linux, Windows Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI clearance w/active polygraph. At least eight (08) years … customer requirements. These Qualifications Would be Nice to Have: Experience operating in an agile development environment and DevOps. Experience with container technologies such as Kubernetes and Docker. Knowledge of penetration testing or red team operations. Experience utilizing and development with Splunk. Experience with Nutanix. Defensive Cyber Security Operations. $175,000 - $200,000 a year The pay range for More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: Provide a More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: Provide a More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: Provide management More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: Provide management More ❯

and Risk Management! Your effort and expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description: We are More ❯

with engineering and DevOps teams to implement security controls across cloud infrastructure (ideally AWS), including access control, encryption, and logging. Leading the incident response process and managing third-party penetration testing and vulnerability management activities. The ideal Information Security Lead will have experience with the following: 3-5 years of hands-on experience in an information security or More ❯