15 jobs found

Select how often (in days) to receive an alert: Location: UK - Mobile England Job-ID: 215877 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable assets from cyber threats. We are keen to develop our own people and will look at individuals, you will be involved in so many business projects whilst working with passionate Cyber Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing methodologies. You will play a critical role in strengthening our security posture and protecting our valuable assets from cyber threats. You will: Conduct comprehensive penetration tests: Execute internal and external network penetration tests, web application penetration tests, mobile application penetration tests, API penetration tests, cloud security assessments, and social engineering simulations. Vulnerability identification and analysis: Research, identify, and exploit security vulnerabilities in a variety of systems and applications. Red/Purple/Blue Teaming: participate in exercises with the goal of increasing cyber resilience for both offensive and defensive. Reporting and documentation: Prepare detailed and professional penetration test reports, including executive summaries, technical findings, risk ratings, and actionable recommendations for remediation. Collaboration and communication: Work closely with development, operations, and security teams to communicate findings, explain risks, and provide guidance on remediation strategies. Tooling and methodology enhancement: Continuously research and evaluate new penetration testing tools, techniques, and methodologies to improve testing efficiency and effectiveness. Security awareness: Contribute to the development and delivery of security awareness training for internal staff. Stay current: Keep abreast of the latest security threats, vulnerabilities, exploits, and industry best practices. Threat modelling: Participate in threat modelling exercises to identify potential attack vectors and design flaws. Ad-hoc security testing: Perform ad-hoc security assessments and provide expert advice on security-related matters as needed. What you'll need OSCP, PNPT or equivalent certification At least three years' experience working full-time as a penetration tester on the following areas as a minimum: Infrastructure Active Directory networks Cloud security (Entra ID/Azure) IoT physical security / social engineering Ability to develop custom tools, or adapt existing tooling for the task at hand Demonstrable experience contributing to open-source tools Bachelor's degree in Cybersecurity, Information Technology, or a related field. About us Computacenter is a leading independent provider of IT infrastructure services, with about 20,000 employees worldwide. We work at the heart of digitisation, advising organisations on IT strategy, implementing the most appropriate technology and managing our customers' infrastructures. We offer a friendly, open working environment without too much fuss about hierarchy. We are looking for professionals with diverse competencies, personalities and strengths who want to live our shared value of teamwork and performance. Interested in joining a company with a strong sense of community? We're growing. We're hiring. We encourage. We empower. We support.

Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months click apply for full job details

A leading information security company in the UK is seeking an experienced penetration tester to conduct thorough tests across various environments, including web applications and network infrastructure. The role offers flexibility to work remotely or from offices in Oxford or Glasgow, and emphasizes professional growth through training and certification sponsorship. Candidates should have significant experience in penetration testing, strong communication skills, and relevant certifications. Join a dedicated team focused on enhancing customer security and fostering personal development.

Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here. We're a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We're a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best possible results for our customers. Our purpose is underpinned by five Starling values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness. Hybrid Working We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. About the Role As an experienced Penetration Tester you will be working with talented cyber security professionals to protect Starling customers, company assets and systems using the latest technologies and techniques. The primary objective for this role is to collaborate with, support, and guide Starling's engineering and operation functions to ensure our services are designed, developed and operated securely. As an experienced member of our penetration testing team you will directly interact with multiple areas of the business to understand requirements, define the scope and approach to testing (including undertaking appropriate research), and produce reporting information aligned to our risk framework. In addition, we understand the importance of knowledge and expertise remaining current and you shall support the continued advancement of our penetration testing through research, design and implementation of new solutions, including automation. Responsibilities Scoping and performing mobile, web application, cloud, and infrastructure penetration tests. Automation of security testing, and development of internal tooling, to achieve continuous assurance. Collaboration with engineering teams to facilitate secure development, including: Review and analysis of proposed technical solutions to identify appropriate security controls. Input and guidance to security related technical architecture and design decisions. Code review of features and critical security components. Practical security testing. Advising on remediation of security issues and processes to address root causes. Security assurance reviews of third-party solutions. Identifying and implementing improvements to the team's internal processes and procedures. Review, analysis and reporting of external threats relevant to Starling systems and solutions, in the context of Starling's desired security posture. We're open-minded when it comes to hiring and we care more about aptitude and attitude than specific experience or qualifications. Ideally, we would like: 5+ years technical information security experience. Experience of mobile, web application, cloud and infrastructure penetration testing. Strong technical knowledge in: Mobile security (iOS and Android) Web application security Networking and associated protocols Cloud security (AWS and GCP) Containers and Kubernetes A desire to learn, and ability to apply technical security knowledge to new and unfamiliar areas. CREST, OSCP or similar industry penetration testing qualification A good understanding of applied cryptographic techniques. Reverse engineering and exploit development capabilities. Experience of security testing in an agile SDLC. Threat modelling experience. Experience performing code reviews, particularly in Java and Go. Experience of fulfilling a client facing security consulting role. Excellent verbal and written communication skills. Experience in automation of security testing, with previous development experience desirable. Interview process Interviewing is a two way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team: First stage with the Penetration Testing Team Lead Second stage with additional members of the Penetration Testing team Final stage with Infosec Director and CISO We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. In Technology, we're asking that you attend the office a minimum of 1 day per week. 25 days holiday (plus take your public holiday allowance whenever works best for you) An extra day's holiday for your birthday Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off 16 hours paid volunteering time a year Salary sacrifice, company enhanced pension scheme Life insurance at 4x your salary & group income protection Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton Generous family-friendly policies Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing About Us You may be put off applying for a role because you don't tick every box. Forget that! While we can't accommodate every flexible working request, we're always open to discussion. So, if you're excited about working with us, but aren't sure if you're 100% there yet, get in touch anyway. We're on a mission to radically reshape banking - and that starts with our brilliant team. Whatever came before, we're proud to bring together people of all backgrounds and experiences who love working together to solve problems. Starling is an equal opportunity employer, and we're proud of our ongoing efforts to foster diversity & inclusion in the workplace. Individuals seeking employment at Starling Bank are considered without regard to race, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by applicable law. When you provide us with this information, you are doing so at your own consent, with full knowledge that we will process this personal data in accordance with our Privacy Notice. By submitting your application, you agree that Starling Bank will collect your personal data for recruiting and related purposes. Our Privacy Notice explains what personal information we will process, where we will process your personal information, its purposes for processing your personal information, and the rights you can exercise over our use of your personal information.

A global leader in cybersecurity is seeking a Penetration Tester to perform tests on various infrastructures and applications. The ideal candidate has several years of experience, strong knowledge in IT networks, and proficiency in software like Python. This fully remote role, based in Germany, offers attractive salaries, growth opportunities, and comprehensive training alongside an inclusive team. Candidates must be fluent in German (C1) and possess excellent communication skills.

A leading IT consultancy in the UK is looking for a technical security expert to join their Cyber team. The role includes performing penetration testing, writing reports for clients, and improving methodologies. Key qualifications include proven experience in security assessments, knowledge of vulnerability mitigation, and technical tools like Metasploit and Burp Suite. The company offers unlimited holidays and a supportive work environment, emphasizing flexibility and personal growth.

About Darkshield Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient and ahead of cyber threats. The Role We are looking for an experienced Penetration Tester to join our team. You will conduct security assessments and ethical hacking activities to identify vulnerabilities in client systems. This role requires a deep understanding of attack techniques, security frameworks, and risk mitigation strategies. Key Responsibilities Conduct penetration testing on networks, applications, and infrastructure. Identify, analyse, and report security vulnerabilities. Simulate cyberattacks to evaluate security defences. Develop security testing methodologies and improve existing processes. Collaborate with clients to provide security recommendations and mitigation strategies. Stay up to date with the latest security threats, exploits, and hacking techniques. Assist in security awareness training and red team exercises. Provide clear and actionable reports to both technical and non-technical audiences. Requirements Proven experience in penetration testing and ethical hacking. Proficiency in tools such as Burp Suite, Metasploit, Nmap, Wireshark, and Kali Linux. Strong knowledge of web application, network, and infrastructure security. Experience with scripting and automation using Python, Bash, or PowerShell. Certifications such as OSCP, OSCE, CEH, or similar are highly desirable. Understanding of regulatory compliance standards (ISO 27001, GDPR, NIST, etc.). Excellent problem-solving skills and attention to detail. Ability to communicate findings and recommendations effectively to clients. Why Join Darkshield? Work with a passionate and expert cybersecurity team. Engage in challenging and diverse projects. Support for professional development, including training and certification assistance. Flexible working arrangements, including remote options. A collaborative and innovative work environment. If you are a skilled Penetration Tester looking for an exciting role, we'd love to hear from you.

Who you'll be joining We're problem solvers at heart. Sometimes the answer is technology, sometimes it is strategy, and sometimes it is a strong cup of tea and a bit of thoughtful conversation. Whatever it takes, we work it out with our clients. We're an IT consultancy that helps organisations get the best out of their technology. That means keeping them secure and keeping the bad guys out, making sure everything works and is easy to use, and doing smart things with data and software to give their business an edge. It is important work, and we care about doing it well and for the right reasons. Life at Waterstons is friendly, flexible and built on trust. We hire people who are curious, thoughtful and good at getting to the heart of a problem. You get support, trust and room to grow in a place that still feels human. The unlimited holidays and private healthcare are a nice touch, although most people stay because it feels like the right place to do good work with good people. What You'll Be Doing A technical security expert with the ability to conduct penetration tests and the appetite to deliver a wide spectrum of interesting security related work seeking a new challenge to join our growing Cyber team to help shape the company's security and compliance services nationwide for a leading IT and business consultancy, supporting national and international clients. Your Day-to-Day Leading and delivering web application penetration testing, with an expectation to participate in infrastructure penetration testing, vulnerability assessments, and security audits across various business functions as needed Lead technical scoping activities and understanding a client's requirements to ensure they get the most out of their engagement with Waterstons Write clear, concise, and professional reports that are understandable to both technical and non-technical stakeholders. Being available to travel to client sites when required Improving areas of work, such as methodologies, tools and processes used by the team Helping upskill junior members and the wider cyber team Maintain up-to-date knowledge of emerging security threats and trends. Ability to manage multiple client engagements concurrently Act as a trusted partner to all of our clients What we're looking for If some (or most) of the following sound like you, we'd love to hear from you: Proven experience in performing penetration tests across a broad range of systems, more specifically web applications and APIs Wider technical knowledge of network and cloud infrastructure security Understanding of security vulnerabilities and risk mitigation techniques Extensive tooling experience such as Metasploit, Nmap, BloodHound, Eyewitness, Burp Suite, NIKTO, OWASP Zap etc. Nice to have Qualifications such as: CRT, CHECK Team Member (CTM) or CSTL, OSCP, CSTL Be a Cyber Essentials Plus Auditor Experience with scripting languages such as Python, Bash, or PowerShell Experience with Mobile Application Penetration Testing. How We Take Care of You As well as offering a competitive salary, we have an attractive benefits package including: A healthy work life balance with flexible and agile working being the norm Unlimited holiday allowance EV car scheme (salary sacrifice) Room to grow with supported development opportunities and sponsored training Enhanced family policies If you ever need it, company sick pay and life assurance Supported wellbeing with regular initiatives, an employee assistance programme and private medical insurance Flexible benefits such as a dental scheme, eye care support, season ticket loan and cycle to work We require a security check to be carried out on all colleagues due to the nature of some of our clients' industries. Waterstons is committed to creating and an inclusive, understanding, and flexible place to work. We value diversity, equality and inclusion and encourage everyone to 'bring their whole selves' to work. We believe that a company that works to truly embrace and value diversity, create an environment where everyone from any background can do their best work, and feel valued and appreciated is a better company to work for. Privacy Statement Waterstons are gathering the data in this application for the purpose of recruitment and to ensure we can contact you regarding this application. For information about what we do with your personal data see our Privacy Notice.

I am hiring a Penetration Tester on behalf of a global leader in the industry, specialising in providing innovative solutions and services across diverse sectors. Known for their commitment to excellence, the company leverages cutting-edge technology and a customer-centric approach to drive efficiency and growth. With a strong focus on sustainability and collaboration, they foster an inclusive work environment, empowering employees to deliver impactful results while contributing to the company's vision of shaping a better future. In this role you will be responsible for: Perform penetration tests on internal and external infrastructures, networks, web applications, APIs and cloud environments, for a wide range of clients. Create high-quality penetration test reports, including clear findings, exploit details, risk ratings, and remediation guidance, and present results directly to clients. Collaborate closely with the Blue Team to exchange threat insights, validate detections, and strengthen clients' overall security posture. Develop and maintain custom tools, scripts, and automation, enhancing your testing workflow and contributing to internal research projects. Continuously research new vulnerabilities, attack techniques, and exploitation methods, supported by participation in platforms like HackTheBox or OffSec Proving Grounds. This role is remote from anywhere in Germany. Essential: Several years professional experience conducting penetration tests Strong knowledge of IT networks and Operating Systems Experience with programming languages e.g. Python, JavaScript etc. Ability to create clear, structured, and client-ready pen test reports, and confidently present findings to technical and non-technical audiences. Minimum C1 level German or above with a good knowledge of English Desirable: Certifications such as OSCP, OSEP Experience with IoT and/or OT Penetration Tests Company Benefits: Attractive salary Strong progression plans Excellent training opportunities and personal development Opportunity to attain certifications Work alongside an inclusive team of experts CALL TO ACTION If you have the required skills and would like to have a positive impact on people's lives all over the world via them enjoying the products you help create, call or send your CV to for a response. Penetration Tester- Remote/Germany - Up to €90k DOE - 5992

AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing - the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. Our all-in-one platform combines AI-driven automation with expert human insight to provide faster, more accurate results. The outcome? Streamlined testing, actionable intelligence, and security at scale. We're revolutionising how organisations protect their digital assets helping businesses stay secure, resilient, and one step ahead of threats. Working Hours and Location We are based in the UK with employees working remotely. Some roles may have hybrid preference depending on the team. You can ask us about the best working hours and work setup in the recruitment process if there's something that's important to you. We try to be as flexible as possible. All we ask is that everyone is online between our core hours of 10:00-16:00 (UK time) so that everyone overlaps for the majority of the day. It's up to you and your manager to find the right schedule that works for you and your team. Role Purpose As a Penetration Tester , you'll play a central role in delivering high-quality, manual security testing to OnSecurity clients across a variety of sectors. You'll take ownership of full test cycles; scoping, delivery, reporting, and client communication while helping to mentor junior testers and enhance OnSecurity's technical capabilities. This role blends autonomy, technical depth, and real impact. Role Importance, Responsibilities and Impact What you will be doing: Delivering web, API, mobile, and infrastructure penetration tests remotely. Identifying, analysing, and exploiting vulnerabilities beyond automated tools. Producing detailed, high-quality reports for developers and security teams. Collaborating with internal testers to refine methodologies and tooling. Contributing to TestNet and methodology development. Mentoring Junior testers. What you won't be doing: Following rigid scripts, you'll be encouraged to think critically and creatively. Getting lost in bureaucracy, we empower our testers to deliver results via our intuitive portal Timeline for Role Expectations Within 1 month: Become familiar with our testing platform and delivery process. Within 3 months: Lead your own engagements end-to-end and produce client-ready reports. Within 6 months: Contribute to internal tooling, mentor junior testers, and help shape new methodologies. About You This role is a great fit if you . Minimum 2 years' experience delivering penetration tests in one or more disciplines. Strong knowledge of OWASP Top 10 and common vulnerability classes. Excellent written and verbal communication skills. Enthusiastic team player who values collaboration and quality delivery. Compensation What you will get for your hard work . A competitive compensation package . The salary range for this role is roughly £35k - £60k annually, depending on experience. Work at one of the fastest-growing Cyber Security Scale-Ups revolutionising pentesting. A clear progression plan. We want you to keep growing. That means trying new things, leading others, challenging the status quo and owning your impact, always with our complete support. Flexibility : We promote life-work balance at OnSecurity. We encourage everyone on our team to enjoy their life and ensure they have the balance they need to reach their full potential. Work where you work best. We're a distributed team. If you live in Bristol, we have a hybrid approach, if this is something that fits for your team. Otherwise, we are remote, and so we build our ways of working around this. Other benefits: 30 days of paid annual leave, plus bank holidays Company Pension Scheme Private Health Insurance with Vitality Employee Assistance Program (EAP) Group Life Assurance (x4 salary) Enhanced Maternity, Paternity, and Adoption Leave Paid study leave for employees to level up their skills Mentorship and Coaching Annual Performance reviews and recognition for high performance Regular socials and activities, online and in-person.

Role/Job Title:Pen Tester Work Location: Reading (3days) The Role We're looking for a Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing click apply for full job details