1 to 25 of 80 Part-Time Penetration Testing Jobs in the UK

Predatech is a CREST-accredited penetration testing organisation focused on delivering high-quality technical security. We’re based in Manchester and are a cyber security partner to over 250 organisations across the UK, including some of the largest companies in the world. We’re growing fast and are … searching for more great people to join us. If you’re looking to join a friendly team that cares about delivering high-quality penetration testing, then we want to hear from you. What makes this role different from all the others? You’ll be part of a culture … everyone to be themselves. We regularly organise team meals and activities to help bring the team together. ‏‏‎ ‎ The Role: We are looking for a penetration tester with hands-on experience to join our growing team. This role is perfect for a penetration tester who is keen to lead More ❯

salary is totally dependant on your experience, from 3 years to 30 years. The requirements are as follows: Manual Testers/QA Analysts & Automation Testing Execute test cases manually. Focus on UI/UX, functionality, user stories, and regression. Tools: Excel, TestRail, Zephyr, Jira, Quality Center. Create and execute … automated test scripts. Improve test coverage, speed up regression cycle. Tools: UFT (Unified Functional Testing) – enterprise tool for functional/regression testing (VBScript). Selenium Cypress Appium Playwright , TestComplete , Ranorex , Robot Framework . Multiple Deliverables SDET Testing (Software Development Engineer in Test) Ideally Developer-tester hybrid. Write … testing frameworks and also contribute to production code. Strong coding background (Java, Python, C#, etc.). Build integration and end-to-end automation pipelines. Performance/Load Testing Simulates real-world load and stress on systems. Ensures system performance, scalability, and reliability. Tools: JMeter , LoadRunner , Gatling , Neoload . More ❯

interesting large-scale Government and private sector projects. ROLE OBJECTIVE We are seeking a highly skilled Cyber Security Consultant with a strong background in penetration testing and network security. This role is ideal for a cybersecurity professional with experience in identifying, assessing, and mitigating security risks across various … in evaluating and strengthening our clients’ cybersecurity postures by conducting in-depth security assessments, vulnerability analysis, and developing comprehensive security strategies. RESPONSIBILITIES Conduct comprehensive penetration tests, vulnerability assessments, and security audits to identify risks and ensure compliance with industry best practices. Provide expert recommendations and solutions to mitigate identified … respond efficiently and effectively to cyber threats. Travel to various client locations when required (potential international travel) and deliver high quality solutions (e.g. OT testing or other IT services). Collaborate with client teams to develop, document, and implement security policies, standards, and guidelines aligned with industry standards (e.g. More ❯

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 More ❯

talented and supportive colleagues (and counting) across a number of regional offices in the UK, Benelux & Ireland. The Role: We are looking for a penetration tester with hands-on experience to join our growing team. This role is perfect for a penetration tester who is keen to lead … testing engagements for a range of interesting clients. Key responsibilities include: Leading and delivering CREST-accredited penetration testing engagements. Providing high-quality reporting and communicating findings to clients. Conducting security research and creating technical content. Assisting with the continuous development of the penetration testing processes … other team members. ‏‏‎ ‎ ‏‏‎ ‎ Who We're Looking For: The following skills and experience are essential for the role: At least 1 year of professional penetration testing experience covering one or more of the following domains: external network, internal network, web application, mobile application testing, red teaming and More ❯

available) Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients … we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you … ll do: Conduct infrastructure, app, cloud & OT penetration testing Deliver clear, actionable reporting and remediation advice Work hands-on with clients from scoping through debrief Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ experience in penetration testing CTL or More ❯

growing, agile cyber consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do … Lead the creation and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and … strengthen their cyber intelligence 🧠 What You Bring Expertise in advanced penetration testing (web & desktop apps), phishing, and code review Strong problem-solving, communication, and stakeholder management skills Ability to teach and adapt content for global, multicultural audiences Self-starter mindset—comfortable working solo or in a team, locally More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. We are seeking a Pre-sales Consultant to support our Sales team by providing technical expertise to customers and prospects throughout the sales process. Reporting directly to our … The primary responsibility of the role is to determine the scope of work for various Cyber Security products and services, with a focus on Penetration Testing. You will work with internal teams to create comprehensive proposals, ensuring a smooth sales experience and presenting the company in the best possible … The ideal candidate will have a background in Technical Sales Support, along with a strong interest in Cyber Security (knowledge of Cyber Security or Penetration Testing is a plus). You should excel at building professional relationships based on trust and credibility, and be comfortable in a client More ❯

an exciting Cyber Security Consultancy looking to further establish themselves within the Offensive Security world and as such looking to bring in a Senior Penetration Tester to spearhead the team through CHECK accreditation. This is a truly rare opportunity to be a part of an ambitious organisation making strides … out a dedicated Red Team function. Salary: £80,000 (potentially negotiable) Location: Remote + National Client Site Travel Essential : CHECK Team Leader – Inf Senior Penetration Tester – Responsibilities: Act as the Infrastructure testing SME, owning the service line and navigate through accreditation. Lead and oversee a range of penetration testing engagements including web applications, infrastructure, APIs, wireless networks, cloud platforms, and mobile applications. Opportunity to work on Red Team initiatives, orchestrating comprehensive assessments to emulate real-world threats and bolster client defences. Support the professional development of junior team members through mentorship, shadowing and knowledge-sharing initiatives. More ❯

Role: Offensive Security Specialist Type: Permanent Location: Remote (UK) Clearance: Eligible for SC Interested in getting away from the grind of endless similar penetration tests? Keen to stretch yourself into a more managerial role over time, building up a capability around you? We are working with a leading security … who are in the process of standing up their Offensive Security capability. The work will be focused on providing services such as Web App testing, Infrastructure testing and Code Review services to clients whilst also looking at how to develop that side of the company further. This role … Customer engagement, through the scoping process, tool selection and overall delivery •Run and take ownership of services such as Vulnerability Assessments, Code Review and Penetration Testing •Potential to work overseas to provide training services or working with clients to develop their own security posture •Engage in a cross More ❯

Penetration Tester Work Across Internal Security, Compliance & Client Engagements A fast-growing security-focused business is looking for a Penetration Tester to join their expanding team. This is a hands-on, cross-functional role where you'll support internal security maturity, contribute to client-facing consultancy projects, and … SOC to simulate attack scenarios and improve detection Run internal vulnerability assessments and pen tests to support compliance and readiness for audits Deliver external penetration testing services — from scoping and testing to risk analysis and reporting What We're Looking For: Practical experience in penetration testing More ❯

leadership role overseeing Microsoft Purview, compliance, and DLP strategy. Must have experience in technical reporting, vendor management, and future planning within cloud ecosystems. Vulnerability & Penetration Testing (VAPT) Engineer Penetration testing expert? Bring your skills to enterprise-level assessments and web application security. GWAP/OSCAP certified … with 5+ years' hands-on testing and sharp communication abilities. Why Join? Flexible EMEA-based working hours Enterprise-grade cloud environments Hands-on architecture and security leadership opportunities Education budget and on-demand training access Competitive salaries To speak in absolute confidence about this opportunity please send an up More ❯

business and technical focused. You will have ideas of how to drive the business forward, and be skilled in the commercial aspects of security testing, above all you will know what clients are looking for when they buy security testing and how to deliver it. Management and delivery … of penetration testing services to clients to include the following: Scoping Financial and risk management Delivery of testing and the oversight of testers Review of deliverables (QA) Coaching and developing team members through sharing of experience and knowledge. Performance management of junior staff. Continuous development of self … the broader offerings to enable identification of business opportunities Required Skills and Experience: Passion for Hacking! Clear and demonstrable understanding of red-teaming/penetration testing, including NCSC and CREST accredited schemes such as xBEST, STAR/STAR-FS, CHECK. Proven experience of successfully managing and delivering testing More ❯

ReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding … problem with 2+1’s and pub sec engagements… but that’s not where they phish. Most of your time will be spent on advanced testing and large-scale engagements that give you the opportunity to collaborate with wider technologists. (engineers, developers and blue teamers) We want to hear from … service lines. If you thrive on bringing ideas to life, creating bespoke tools and adding true value to your clients, then this is the penetration testing team for you. This is a home based position with very very very limited travel. Full right to work in the UK More ❯

business and technical focused. You will have ideas of how to drive the business forward, and be skilled in the commercial aspects of security testing, above all you will know what clients are looking for when they buy security testing and how to deliver it. This is role … will require you in the office on a flexible hybrid set up. The offices are in London, Leeds and Manchester. Management and delivery of penetration testing services to clients to include the following: Scoping Financial and risk management Delivery of testing and the oversight of testers Review … the broader offerings to enable identification of business opportunities Required Skills and Experience: Passion for Hacking! Clear and demonstrable understanding of red-teaming/penetration testing, including NCSC and CREST accredited schemes such as xBEST, STAR/STAR-FS, CHECK. Proven experience of successfully managing and delivering testing More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. Our innovative approach to security testing merges the benefits of consultant-led penetration testing with ongoing vulnerability assurance through our advanced SecurePortal. This provides clients More ❯

Application Security Engineer/Penetration Tester – FinTech – AppSec, Burp Suite, Metasploit Oliver Bernard are currently seeking an Application Security Engineer, with strong Penetration Testing experience, to join a FinTech client of ours on a contract basis. This hire is part of a security focused transformation where the … engineer will be responsible for identifying and mitigating security vulnerabilities, and risk, within their applications. You will have a focus on building security tools, penetration testing, and performing security assessments, whilst updating internal security processes and documentation in the process. To be considered, the following experience is required … 5+ years operating as an App Sec Engineer Extensive experience as a Penetration Tester Strong hands-on experience with tools such as Burp Suite and Metasploit Capable designing Security policies, procedures and best practices Able to investigate and respond to Security related incidents within applications, and work closely with More ❯

Security Engineer – IAM | DORA | Pen Testing | Payments – Banking London/Glasgow | £750/day (Inside IR35) | Financial Services We're seeking a seasoned Security Engineer with a proven track record in banking environments to join a high-impact team driving resilience and security across mission-critical systems. You’ll … bring deep expertise across Identity & Access Management (IAM) , penetration testing , and 3rd party risk , with strong familiarity with DORA compliance and payments/settlement systems . What You’ll Do: Lead and execute advanced penetration testing and vulnerability assessments Own IAM strategy and operations , ensuring airtight … in fast-paced, regulated environments with a laser focus on resilience What You’ll Bring: Hands-on banking experience – essential Expertise in IAM, pen testing, third-party risk , and regulatory frameworks (DORA) In-depth knowledge of financial systems, especially payments & settlement platforms Strong communicator, highly analytical, and security-obsessed More ❯

engage, and close new business opportunities within the SOC Service offering and assist with GRC (PCI DSS, ISO 27001, NIST, Cyber Maturity Assessments) and penetration testing services. With strong SDR and marketing support, you'll have the tools and backing to succeed in a high-growth cybersecurity environment. … Doing: Hunt, Develop, and Manage Accounts: Your primary focus will be selling cyber professional services covering a wide spectrum from SOC, GRC, MDR, and Penetration testing Managing a sales pipeline with deal sizes ranging from £25k - £100k Meet or exceed quarterly sales quota Working closely with SDRs to More ❯

email campaigns, LinkedIn outreach, and industry events. Client Qualification – Assess the security needs and challenges of potential clients to determine how the company’s penetration testing, red teaming, and cyber maturity assessments can add value. Sales Outreach – Initiate contact with prospects, educate them on cyber security services, and … position services effectively. Qualifications & Experience 2+ years of experience in business development, sales, or lead generation within the cyber security sector. Strong understanding of penetration testing, red teaming, incident response, and cyber maturity assessments. Excellent communication skills, with the ability to simplify complex technical concepts and convey their More ❯

Conducting comprehensive security assessments: This involves evaluating an organization's IT infrastructure, networks, systems, and applications to identify potential weaknesses and vulnerabilities. Performing vulnerability testing and penetration testing: Using various tools and techniques (like Nessus, Burp Suite, Metasploit), you'll simulate attacks to uncover exploitable flaws. Developing More ❯

security breaches, intrusions, and abnormal system behavior Investigate security incidents, perform root cause analysis, and provide incident response support Conduct regular vulnerability assessments and penetration testing; assist in remediation efforts Maintain and manage SIEM (Security Information and Event Management) tools and log analysis Develop and enforce security policies More ❯

technical security support to the wider security team. Work with third-party network vendors to coordinate security activities. Assist with internal and external audits, penetration testing, and incident reviews. Enforce security policies, conduct vulnerability assessments, and coordinate mitigation efforts. Attend the head office in Portsmouth at least once More ❯

If you're looking to join an established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetration tester … to deliver impactful testing work - without getting side lined with adjacent tasks or red tape! If you're looking for a role to focus on delivering high-quality assessments and reports, honing your skills across a broad range of testing disciplines with full investment for training & certifications (including … those you personally want to go for) this could be for you. What you'll be doing As a penetration tester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Cloud (AWS, GCP, Azure) Produce clear, concise More ❯

services provided by the Cyber Intelligence Centre including by not limited to Cyber Threat Intelligence, Security Posture Management, Cyber Security Incident Response, Threat Hunting, Penetration Testing & Red Team Testing, and Cyber Risk Mitigation. Incorporate threat intelligence into CIC activities. Collaborate and assist with the investigation and resolution More ❯