101 to 125 of 219 Permanent Penetration Tester Jobs

Are you ready to venture deeper into your career as a Senior Penetration Testing Consultant? Join a well-established Managed Security Service Provider (MSSP) and a leading Fortinet and Microsoft partner, delivering high-impact cybersecurity solutions to clients in the defense, government, and financial services industries. Committed to nurturing talent, the organization offers a certification sponsorship and professional development … plan. They are currently seeking for a Senior Penetration Testing Consultant to lead advanced penetration tests and security assessments of systems, networks, and applications. Ready to take the next step in your career? Apply today! Responsibilities: Conduct advanced penetration tests, including complex network, application security, and specialized assessments. Use cutting-edge tools and techniques to identify and … exploit vulnerabilities in diverse environments. Apply knowledge and practical experience in cloud and mobile penetration testing. Collaborate with clients to define project scopes, objectives, and expectations, including conducting pre-engagement meetings to understand their environments and threat landscapes. Offer technical leadership by guiding and mentoring junior team members while reviewing and validating their work to ensure quality and accuracy. More ❯

will have the ability to take initiative, learn quickly on the job, and deal with issues as they arise in a high-pressure environment. You will be an enthusiastic tester with a few years of experience, passionate about working in security, and constantly researching the latest vulnerabilities to stay at the industry’s leading edge. You must have achieved … SC vetting is required. About your role You will be a highly skilled information security specialist working with government and private sector clients, contributing to Resillion’s reputation in penetration testing services. You will participate in thought leadership on social media and industry events, and help improve internal testing and reporting processes. The role offers an attractive package and More ❯

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open to working ona remote contract with occasional trips to the Belfast … for WhiteHat/Ethical Hacking. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity More ❯

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open to working ona remote contract with occasional trips to the Belfast … for WhiteHat/Ethical Hacking. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity More ❯

autonomy to manage your time and diary to suit your work/life balance. We are looking for consultants and senior consultants to join our growing team of specialist penetration testers. PA offers CREST accredited penetration testing services to clients across a range of industries including (among others) finance, central government, energy and utilities, transport and telecoms. Many … technology (OT). The majority of our work is bespoke and requires attention to detail. Our testers are able to work on assignments beyond a sole focus of just penetration testing, allowing them to grow their wider skillset as they desire. This has previously included cloud architecture and teaching at universities and on our publicly available training courses. We … projects Deliver high quality security assessments within agreed deadlines Produce written and verbal reports for clients to an excellent standard. Develop and share knowledge with the rest of the penetration testing team Work with teams across PA Consulting, providing technical knowledge and expertise where required Be self-motivated and client-oriented, aiming to exceed expectations in all areas of 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 certifications … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project requirement. … and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as well as experience of leading customer engagements on-site. Communication : Strong verbal and written skills for stakeholder management 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 certifications … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project requirement. … and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as well as experience of leading customer engagements on-site. Communication : Strong verbal and written skills for stakeholder management More ❯

will simulate attacks to identify and report security flaws. You will need to take initiative, learn quickly, and handle issues in high-pressure situations. You should be an enthusiastic tester with a few years of experience, passionate about security, and committed to staying at the industry’s leading edge through research and certifications. Due to the sensitive nature of … required. About your role You will be a highly skilled information security specialist working with government and private sector clients. Be part of a talented, collaborative international team leading penetration testing services. Contribute to thought leadership via social media and industry events. Ensure high standards of quality and help improve internal testing and reporting processes. Deepen technical expertise in More ❯

programming skills and experience with languages such as Bash, Python, Powershell, and C++/C#. At least 4+ years of professional experience within Siemens or a related industry in penetration testing with a proven record of continuous career development. Demonstrated affinity to learn about the latest trends in cybersecurity and keep up to date in a continuously challenging environment. … You have experience with one or more of the following aspects of penetration testing/red teaming: application and software security, EDR and antivirus evasion, C2 setup, automation and scaling of security testing, Active Directory attacks, etc. Demonstrated experience in capture the flag (CTFs) events, bug hunting or vulnerability research (CVEs) is a plus. You demonstrate an international mindset More ❯

Senior Penetration Tester (Inside IR35) Are you an SC cleared Penetration Tester looking for a new long term contract role? We are working with a government client looking for a Senior Penetration Tester to act as a benchmark on the quality of the penetration testing team. This role is based 4 days a … ongoing technical capability for the organisation Coaching team leaders to provide ongoing technical and leadership support Provide technical advice to project teams If you are a senior SC cleared Penetration Tester looking for a new role, please apply now! Carbon60, Lorien & SRG – The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯

Social network you want to login/join with: Penetration Tester, Watford, Hertfordshire Client: Network IT Recruitment Limited Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: If you're looking to join an established organisation expanding their penetration testing capabilities, this is … a genuine opportunity for a penetration tester to deliver impactful testing work without being sidetracked by red tape. You'll focus on delivering high-quality assessments and reports, honing your skills across various testing disciplines, with full investment in training and certifications (including those you pursue personally). What you'll be doing Deliver high-quality penetration …/External Infrastructure Web Applications, APIs Hardware & Embedded Software Produce clear, concise, actionable reports for both technical and non-technical audiences. Work independently or collaboratively with a team of penetration testers. Engage with clients and stakeholders to explain findings and remediation steps. What's in it for you? Remote-first culture – work from anywhere in the UK Salary up More ❯

Our client is seeking a Senior Penetration Tester to join their growing security team. This is a unique opportunity to work a genuine 4-day week (no compressed hours) -giving you 79 extra days off a year -while focusing on high-quality, service-led testing and client relationships. This isn't your typical offensive security role. You'll … in both delivery and pre-sales, working closely with clients and internal sales teams to shape secure outcomes-not just find vulnerabilities. Key Responsibilities Deliver web, infrastructure, and cloud penetration testing with a business-focused approach. Act as a technical advisor in pre-sales , helping scope work and educate internal sales teams on testing services. Build strong client relationships … translating technical findings into clear, actionable recommendations. Champion security best practices and support remediation discussions. Mentor junior testers and contribute to continuous service improvement. Requirements CREST Registered Tester or equivalent (e.g., OSCP with CREST equivalency). 4 years' experience in penetration testing, preferably in a mission led environment. Strong communication and report writing skills. Experience working with sales More ❯

Join a dynamic cybersecurity team near Doncaster or Manchester, where you'll play a key role in securing clients' digital landscapes. As a penetration testing expert, you will work on cutting-edge projects across infrastructure, web applications, mobile, and cloud environments. Collaborating with a talented team, you'll have the opportunity to contribute to innovative cybersecurity solutions while enjoying … continued growth and development in the field. Take the next step in your cybersecurity career-apply now! Responsibilities: Conduct penetration testing on infrastructure, web applications, mobile platforms, and cloud environments to uncover vulnerabilities. Analyze testing outcomes and provide actionable recommendations to improve security measures. Collaborate with cross-functional teams to develop and implement security strategies. Stay updated on emerging … cybersecurity threats and adapt testing methodologies accordingly. Skills/Must Have: Proven experience in penetration testing for infrastructure, web applications, mobile, and cloud environments. Strong understanding of networking protocols, systems architecture, and security best practices. Proficiency in using penetration testing tools and techniques to identify vulnerabilities. Excellent problem-solving skills with a detail-oriented approach. Must be able More ❯

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 … tests. Currently holds a CHECK equivalency certification. Eligibility to hold or currently hold clearance. Experience working with Linux and Windows OS. Strong understanding of working with common tooling for penetration testing. Ideally, a knowledge of Cloud services such as Azure or AWS. Capability to script or code in Bash, Python etc. Appreciation for Cyber Security standards such as ISO27001 More ❯

network you want to login/join with: Are you an offensive security specialist excited about delivering the best service? Join a boutique Cyber Security consultancy focused on the Penetration Testing market. They prioritize quality testing and reports over marketing hype, ensuring clients see real benefits from their testing outputs. The company is based in Cheltenham but offers flexible … working locations. Key Responsibilities: Deliver CHECK penetration testing services. Engage in non-CHECK testing where necessary. Collaborate with the sales team for technical input. Produce high-quality reports for clients. Stay updated on industry trends and attack methods. Conduct testing across INF, APP, Mobile, AD, or Cloud environments. Possess a CHECK equivalency certification. Hold or be eligible to hold … security clearance. Experience with Linux and Windows OS. Proficiency with common penetration testing tools. Knowledge of Cloud services like Azure or AWS (preferred). Ability to script or code in Bash, Python, etc. Understanding of cybersecurity standards such as ISO27001, PCI-DSS, or CIS. This role offers growth opportunities and the chance to work with interesting clients in a More ❯

Red Team Penetration Tester - Up to £ 7 0,000 (Permanent, Remote with occasional travel to client sites) We're seeking an experienced Red Team Operator to simulate sophisticated adversaries against some of the UK's most critical infrastructures. This is a hands-on role involving assumed breach, phishing, custom tooling, Active Directory abuse, and advanced detection evasion. Key More ❯

Are you looking for an exciting new opportunity? Join a trusted security and compliance partner offering comprehensive services including GRC consulting, CREST-accredited penetration testing, and an industry-leading vulnerability management service. As the number one Global Service Partner of Vanta, the company has a proven track record of helping hundreds of businesses from tech startups to global industry … posture and compliance needs. If you would like to learn more about this opportunity, feel free to reach out and apply today! Responsibilities: Work across the full spectrum of penetration testing and red teaming Contribute to client relationships and leading high-level engagements Scoping and delivering advanced red team assessments Mentoring more junior team members Supporting innovation through offensive … security research Required Skills/Qualifications: Minimum 7 years of penetration testing experience, with at least 4 years in red teaming Strong hands-on background across a range of testing disciplines, including networks, infrastructure, applications, and cloud Comfortable in client-facing roles with strong communication skills Deep understanding of adversary simulation, lateral movement, and offensive tooling Capable of producing More ❯

employees are remote workers, but that doesn't stop us keeping in touch and maintaining a strong positive culture amongst our whole team. About the role The role of Penetration Tester is responsible for identifying vulnerabilities in Youth4Youth’s systems, applications, and infrastructure. This involves simulating cyberattacks, conducting security assessments, documenting findings, and recommending mitigations. The role requires … communication with other Youth4Youth team members, developing test strategies for penetration testing, executing tests, analysing results, and creating detailed reports on security weaknesses and solutions. Responsibilities Perform security-focused testing of Youth4Youth’s applications, including vulnerability assessments and penetration testing. Experience with web and chat-based applications. Collaborate with developers to validate fixes and retest vulnerabilities. Regularly liaise … exploited and remediation steps. Skills Excellent problem-solving and communication skills to engage with team members. Understanding of OWASP Top 10 vulnerabilities and secure web application development. Experience with penetration testing tools such as Burp Suite, OWASP ZAP and Nikto. Experience with vulnerability reporting, including risk assessment and remediation guidance. Awareness of data protection principles, GDPR and ethical hacking More ❯

Hou je ervan om kwetsbaarheden te ontdekken? Wil je hierover graag adviseren? Voer geavanceerde securitytesten uit voor onze opdrachtgevers met behulp van nieuwste tool en technieken. Als Security Tester (Pentester) ben jij degene die samen met het team ervoor zorgt dat de digitale systemen van onze opdrachtgevers, zowel IT- als OT-omgevingen, optimaal beveiligd zijn. Samen bespreken we de More ❯

will have the ability to take initiative, learn quickly on the job and deal with issues as they arise in a high-pressure environment. You will be an enthusiastic tester with a few years of experience under your belt. You’ll be passionate about, and proud of, working in the security industry, and be constantly researching the latest vulnerabilities … with both government and private sector clients. You will be part of a talented and collaborative international team who are positioning Resillion as an industry leader in delivery of penetration testing services. You will contribute to our thought leadership on various social media platforms and industry events. You will be expected to assist in enforcing the highest standards of More ❯

Job Title: Penetration Tester Job Type: Permanent Salary: Up to £70,000 Location: Belfast/Remote (2 days per week on-site) Penetration Tester - Role & Responsibilities Performing penetration tests across cloud, infrastructure & applications Requirements analysis Manual and automated testing Producing clear & concise reports tailored to client needs. Staying ahead of evolving threats, techniques and industry … standards. Penetration Tester - Required Experience 2+ years' experience in Penetration Testing Knowledge of networking, operating systems (Linux, Windows) and web technologies Familiarity with OWASP Top 10 Excellent communication skills - verbal and written Eligibility for SC Clearance Interviews: June 2025 Start Date: July 2025 How to Apply: Apply to Gary Hargreaves at X4 Technology to learn more about More ❯

Principal Penetration Tester – UK remote - £70,000 - £90,000 Our client, a leading cyber security consultancy, is looking for a Principal Penetration Tester to lead and execute complex security assessments and play a key strategic role, driving high-impact penetration testing, red teaming, and security advisory services for clients across various industries. Main Responsibilities: Lead … advanced penetration testing engagements across networks, applications, cloud, and mobile environments. Oversee red teaming exercises, delivering real-world adversary simulation insights. Provide expert security guidance, working with stakeholders to enhance security posture. Mentor and develop junior testers, fostering a high-performance security team. Stay ahead of emerging threats, exploits, and attack methodologies to improve testing capabilities. To be considered … Extensive experience in penetration testing, red teaming, and security consulting. Strong knowledge of attack techniques, threat modelling, and exploit development. Certifications such as CREST CRT/CCS, OSCP, OSEP, or CISSP are highly desirable. Proven ability to lead and deliver high-impact security engagements. More ❯

Penetration Tester – UK remote - £30,000 - £40,000 + Benefits + Bonus Our client is looking for a Penetration Tester to join their established Offensive Security function. This role involves conducting and delivering high-quality security assessments across web applications, infrastructure, mobile, cloud, and networks. Our client is looking for someone who has a wide understanding … of different types of security testing, and in-depth threat-intelligence knowledge. Main Responsibilities: Perform penetration tests on web applications, networks, APIs, cloud environments, and mobile platforms. Assist in red team exercises, social engineering assessments, and security awareness initiatives. Conduct vulnerability assessments, exploit security flaws, and document findings with actionable remediation steps. Simulate real-world attack scenarios to evaluate … custom scripts, tools, and exploits to test system defences. Work closely with security teams to remediate identified vulnerabilities. To be considered, you should have: 1+ years in a professional Penetration Testing role. Strong interest of OWASP Top 10, MITRE ATT&CK Framework, and common exploit techniques. Desire and interest to build a career in the Offensive Security space More ❯

Social network you want to login/join with: Principal Penetration Tester, peterborough col-narrow-left Client: Opus Recruitment Solutions Location: peterborough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Our client, a leading cyber security consultancy, is looking for a … Principal Penetration Tester to lead and execute complex security assessments and play a key strategic role, driving high-impact penetration testing, red teaming, and security advisory services for clients across various industries. Main Responsibilities: Lead advanced penetration testing engagements across networks, applications, cloud, and mobile environments. Oversee red teaming exercises, delivering real-world adversary simulation insights. … and develop junior testers, fostering a high-performance security team. Stay ahead of emerging threats, exploits, and attack methodologies to improve testing capabilities. To be considered: Extensive experience in penetration testing, red teaming, and security consulting. Strong knowledge of attack techniques, threat modelling, and exploit development. Certifications such as CREST CRT/CCS, OSCP, OSEP, or CISSP are highly More ❯

Social network you want to login/join with: Penetration Tester (Junior), High Wycombe Client: Addition+ Location: High Wycombe, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 12 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: We are currently recruiting for a dynamic UK technology provider for the role of Penetration Tester . … due to the nature of clients. Full UK Driving License & Access to a vehicle are essential. Experience working in the public sector. Minimum of 2+ years of experience in Penetration Testing. Any of the following Penetration Testing Certifications: CompTIA, OSWE, CRTO, CPT, LPT, CEPT, CCPT, CPENT, CRPT, etc. Strong background and understanding of cybersecurity, with a knowledge of … penetration testing frameworks and methodologies. Strong client-facing skills, with the ability to present and discuss findings remotely or in person. Offensive Security Certified Professional (OSCP) certification is highly preferred. How you'll be rewarded Mentorship from Senior Leaders across the business #J-18808-Ljbffr More ❯