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Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities • Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products, • Deliver highly technical and effective security engagements through hands on systematic and innovative testing, • Lead teams on client engagements as well as working alone, • Deliver detailed and actionable penetration test reports efficiently, • Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience • Proven history in the delivery of manual penetration testing (Application and Infrastructure), • A solid understanding of TCP/IP and networking concepts, • Extensive knowledge in the testing of Web-based applications, • Knowledge or experience of security build reviews for all common operating systems, • Comfortable with programming in one or more languages, • Deep knowledge of databases, including security considerations and database hardening techniques, • Solid technical understanding of web applications, including web server design and implementation Must be eligible for SC clearance and be willing to travel as required to client sites with the UK. Please apply for an initial chat, more information on the role and a full job description. Please note, visa sponsorship is not available for this position and the above requirements are essential. I’d love to speak with everyone, but due to the high volume of applications we’re receiving, I can’t guarantee everyone a response.

🚀 About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing • Develop and maintain manual and automated test plans, cases, and scripts for mobile platforms (iOS and Android)., • Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos)., • Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements., • Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and screen sizes., • Validate fixes and confirm resolution of reported issues., • Help define and refine QA metrics and contribute to process improvements., • Participate in release planning and provide input on potential risks., • Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators)., • Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing., • Familiarity with bug tracking and test management tools like Jira, Trello, Zephyr, or TestRail., • Strong attention to detail and ability to write clear, concise defect reports and test cases., • Exposure to mobile automation tools (e.g., Appium, Espresso, XCUITest) and basic scripting knowledge is a plus., • Problem-solving mindset, curiosity, and a collaborative attitude., • Experience working with CI/CD pipelines and integrating tests into build workflows., • Knowledge of API testing tools such as Postman., • Awareness of accessibility testing and inclusive design principles., • Degree in Computer Science, Engineering, IT, or equivalent hands-on experience., • 1–4 years of experience in mobile QA (multi-platform experience is a plus)., • Competitive compensation and benefits., • Flexible work setup—hybrid or fully remote depending on location and role., • A chance to shape products that reach thousands of users., • Opportunities for professional development through training, conferences, and mentorship. Please send us your resume along with a short cover note highlighting your mobile QA experience. If you have a portfolio or sample test cases, feel free to include those too. We’d also love to see an example of a bug you’ve reported—include steps to reproduce, expected vs. actual behavior, and any supporting media if available. We welcome applicants from all backgrounds and are committed to building an inclusive workplace. 🌈 Equal Opportunity We’re proud to be an equal opportunity employer. Diversity drives innovation, and we’re dedicated to fostering an environment where everyone feels valued and empowered. • Would you like help tailoring this for a specific company tone or audience?

Salesforce Software Tester – Salesforce Platform Application - Location: Fully remote or London Hybrid Salary: £35,000 - £40,000 We are working exclusively with a well-established not-for-profit technology provider who are looking to add a Software Tester to their Product Team. This organisation develops and delivers a specialist client-recording system built on the Salesforce platform, and they are seeking a dedicated tester to ensure product quality and reliability as the solution continues to evolve. The Role As a Software Tester, you will play a key role in ensuring the delivery of high-quality software to a wide range of customers. You will work closely with the Product Manager, Quality Assurance Lead, and wider technical team to test new and updated functionality, investigate bugs, and contribute to the ongoing improvement of testing processes. This is a fantastic opportunity to work on a Salesforce-based application that makes a real difference, while also gaining exposure to automation and complex system testing. Key Responsibilities • Review, Redefine and renew business specs, • Define testing requirements and design test cases, • Execute manual and automated tests across the product, • Investigate, reproduce, and validate fixes for complex bugs, • Be responsible for the upkeep of test scripts, • Manage issue tracking and updates for bugs, • Provide clear, regular updates to stakeholders on testing progress, • Work collaboratively with the Product and Technical teams to shape testing strategies, • Support additional software projects when required About You We are keen to speak with testers who can demonstrate: • Strong experience in software testing, ideally with exposure to Salesforce or cloud-based applications, • Ability to create, execute, and document test cases, • Familiarity with automation frameworks and test scripting, • Strong problem-solving and investigative skills, • Excellent communication and collaboration abilities, • A proactive approach, with the ability to plan and prioritise your workload effectively If this opportunity sounds exciting to you or anyone you know don't hesitate to get in touch by either applying or through my email below and be quick as interviews are currently in the process! E:

Offensive Security Tester (Red Team) London / WFH to £70k Opportunity to progress your career as an Offensive Security Tester at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; you'll be working on Greenfield projects, collaborating with and learning from a hugely talented team. Your role: As an Offensive Security Tester you will manage client engagements, perform security tests and report findings; you'll be using industry standard combined with in-house developed tools as well as carrying out manual reviews to discover any issues with customer infrastructure and web applications. You'll be pro-active and will have the opportunity within Red Team testing to try anything and everything to outmanoeuvre the defenders and gain access to customer networks. WFH Policy: There's a remote interview / onboarding process and the ability to work from home for the majority of the time with only occasional visits to the London, City offices (i.e. once a quarter). About you: • You're degree educated, having achieved a 2.1 or above from a Russel Group or top tier world university - Computer Science, Engineering, Physics or Mathematics; MSc or PhD advantageous, • You're OSCP or CRT certified, • You have commercial experience with Offensive Security, Red Team testing or Penetration testing, • You have a keen interest in Cyber Security and understanding of key concepts and protocols, • You can code with any OO programming language (e.g. Python, C++, C#, Java), • You have experience of using different operating systems and networking technologies, • You have a good understanding (and interest in) low level concepts including operating systems and networking, • You have excellent written and verbal communication skills What's in for you: As an Offensive Security Tester (Red Team) you will receive: • Salary to £70k, • Remote working (once a month in London), • Continuous training and career development including paid for certifications Apply now to find out more about this Offensive Security Tester (Red Team) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

QA Technical Tester Location: London | Hybrid / Contract We are seeking an experienced QA Analyst to join a dynamic Quality Assurance team, focusing on the RTB applications in a critical financial services environment. This role offers a unique opportunity to ensure the stability, reliability, and quality of production systems, with a focus on Front Office to Back Office applications. Key Responsibilities: • Conduct regression, functional, and defect testing across FO to BO systems in production, • Support the automation of regression packs, reducing manual testing efforts and enhancing testing efficiency, • Collaborate with development teams, business analysts, production support, and other stakeholders to ensure timely defect resolution and seamless product enhancements, • Maintain comprehensive test documentation using XRAY and JIRA, ensuring traceability and quality throughout the testing process, • Assist in the continuous improvement of test practices and automation efforts to mitigate production risk and support system stability, • Test bug fixes, product enhancements, regulatory updates, and platform stability patches for live systems Required Experience & Skills: • Proven experience in both manual and automated testing of complex financial systems, • In-depth knowledge of investment banking products, trade flows, and financial applications, • Expertise in SQL, Python, JavaScript, and test management tools such as XRAY and JIRA, • Strong analytical and problem-solving skills, with a track record of effective test coordination and stakeholder management, • Familiarity with ISTQB certification or equivalent software testing qualifications

Infrastructure and Software Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Software Testing experience +Infrastructure Testing experience +AWS / Azure +API +Manual and automated testing experience We’re looking for a hands-on Tester who’s as comfortable checking infrastructure deployments and systems performance as they are validating user journeys in an app. You’ll work across a range of environments — from cloud setups and APIs to end-user interfaces — ensuring everything we ship is rock solid, performant, and secure. This isn’t a “click-around-and-tick-boxes” testing role. We need someone with strong technical grounding, curiosity, and the confidence to dive into environments beyond just the front end. Key Responsibilities • Execute and maintain test plans for infrastructure, backend services, and application layers., • Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD)., • Perform integration, regression, and performance testing across multiple platforms., • Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the lifecycle., • Proven experience in software testing (manual and/or automated)., • Familiarity with infrastructure and deployment environments such as AWS, Azure, GCP, or on-premises., • Experience testing APIs, services, and integration points, not just front-end UI., • Strong analytical mindset and attention to detail — you spot issues others miss., • Competitive salary of £45,000, • Hybrid working model – flexibility to split time between home and our London office, • Supportive, collaborative culture with a focus on continuous learning, • Opportunities to shape testing approaches and tools in a modern, cloud-focused environment If you’re an inquisitive, technically-minded tester who thrives in diverse environments and enjoys getting into the details that make systems stable and scalable — we’d love to hear from you. If you'd like to discuss this role in more detail, please send your updated CV to and I will get in touch.

Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Software Testing experience +AWS / Azure +API +Manual and automated testing experience We’re looking for a hands-on Tester who’s as comfortable checking infrastructure deployments and systems performance as they are validating user journeys in an app. You’ll work across a range of environments — from cloud setups and APIs to end-user interfaces — ensuring everything we ship is rock solid, performant, and secure. This isn’t a “click-around-and-tick-boxes” testing role. We need someone with strong technical grounding, curiosity, and the confidence to dive into environments beyond just the front end. Key Responsibilities • Execute and maintain test plans for infrastructure, backend services, and application layers., • Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD)., • Perform integration, regression, and performance testing across multiple platforms., • Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the lifecycle., • Proven experience in software testing (manual and/or automated)., • Familiarity with infrastructure and deployment environments such as AWS, Azure, GCP, or on-premises., • Experience testing APIs, services, and integration points, not just front-end UI., • Strong analytical mindset and attention to detail — you spot issues others miss., • Competitive salary of £45,000, • Hybrid working model – flexibility to split time between home and our London office, • Supportive, collaborative culture with a focus on continuous learning, • Opportunities to shape testing approaches and tools in a modern, cloud-focused environment

Internal Penetration Tester - Hybrid in London - Inside IR35 - 6 months We are seeking an experienced Internal Pentester to join an international client secure their networks. This critical role, based in London (2-3 days per week), requires deep expertise in conducting manual and automated security assessments across networks, applications, cloud platforms, and infrastructure. You will identify and exploit vulnerabilities, simulate real-world attacks, and deliver actionable remediation guidance to strengthen defenses. Key Responsibilities: • Plan and execute penetration tests - perform manual and automated testing across applications, APIs, internal/external networks, cloud environments, and Active Directory., • Identify, exploit, and validate vulnerabilities - uncover security flaws such as insecure authentication, authorization bypasses, misconfigurations, and privilege escalation paths., • Simulate real-world attacks - use adversary techniques and offensive tools to test the resilience of networks, systems, and security controls., • Develop detailed reports - produce both technical and executive-level documentation outlining findings, risk impact, and remediation steps What You Will Ideally Bring: • Application security knowledge - strong grasp of OWASP Top 10 and API security issues.Contract Details:, • Hands-on pentesting experience - 3-7+ years in penetration testing, red teaming, or offensive security across networks, cloud, AD, and web apps., • Offensive security tooling - expertise with Nmap, Nessus, Masscan, Burp Suite, Metasploit, Cobalt Strike, Mimikatz, SQLmap, ScoutSuite, Pacu, etc., • Reporting expertise - ability to produce professional pentest reports with CVSS scoring and MITRE ATT&CK mapping for both technical and executive stakeholders. Contract Details: • Duration: 6 months (with view to extend), • Day Rate: Up to £500 per day (Inside IR35), • Location: London (3x a week), • Start Date: ASAP

Platform Accessibility Tester Remote (UK-based) 8 week, day rate contract Start Date: 3rd November Instinct is working with a modern, digitally focused UK university committed to widening access to education through innovative, flexible learning models. Serving both UK and international students, they specialise in providing career-driven higher education through fully online and blended delivery modes. Alongside the provision of high quality courses, they prioritise inclusivity, innovation, and student success, and continuously invest in the accessibility and usability of their digital learning platforms. They are currently seeking a skilled and detail-oriented Platform Accessibility Tester to support the development and improvement of their digital systems. You will work closely with the Senior Accessibility Manager to ensure that all platforms, applications, and web interfaces comply with WCAG 2.2 AA and EAA standards, while also enhancing the user experience for all learners, particularly those using assistive technologies. Key Responsibilities • Perform rigorous accessibility testing of web platforms, learning systems, and applications using both semi-automated and manual methods., • Apply assistive technologies such as screen readers (JAWS, NVDA), screen magnifiers, and keyboard navigation to replicate real user experiences., • Identify barriers to accessibility and provide clear, actionable recommendations for improvements., • Draft high-quality accessibility statements and testing reports for internal and external use., • Collaborate with internal development teams to support the remediation of accessibility issues and validate implemented fixes., • Assist in training or knowledge-sharing sessions with internal teams on accessibility standards, tools, and best practices., • Prioritise testing activities based on platform traffic, risk, and user impact. Skills & Experience Required: • Solid working knowledge of WCAG 2.2 AA guidelines (EAA knowledge highly desirable)., • Experience conducting both manual and automated accessibility audits using tools such as Microsoft Insights, Axe, WAVE, etc., • Familiarity with a range of assistive technologies including JAWS, NVDA, ZoomText, or VoiceOver., • Demonstrable experience conducting accessibility testing across various browsers, devices, and platforms., • Strong written communication skills, particularly in drafting reports and accessibility statements., • Ability to collaborate with developers and product teams to ensure recommended improvements are implemented effectively. Desirable: • Prior experience in the Higher Education sector or working with education-related platforms., • Familiarity with tools and systems such as Moodle VLE, SITS, Salesforce, Blackbaud, and common CMS platforms., • Lived experience of accessibility needs is highly valued and brings important user perspective to this role.

Manual Penetration Tester \n Fully Remote \n\n We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and secu

Manual Penetration Tester \n Fully Remote \n\n We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester.Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and secur

Salesforce QA Tester | £225 - £275 | Outside IR35 | 12 Months | Remote\n\n We’re recruiting an experienced Manual Salesforce QA / Tester to support our client on a contract basis. This 12-month contract is determined as Outside IR35 and offers a daily rate of £225 - £275 per day. This role can be completed on a fully remote basis.\n \nKey Requirements\n\nProven experience in manual or automation testing roles within the Salesforce ecosystem.\nStrong understanding of Salesforce platforms including Sales Cloud, Experience Cloud, and Field Service (FSL).\nPrevious experience testing ServiceMax modules and NetSuite is beneficial.\nAbility to write and execute test cases, log defects, and collaborate closely with developers and stakeholders.\nStrong command of tools such as Jira, TestRail, or similar for test management and defect tracking.\nExcellent attention to detail and a methodical approach to testing complex workflows and integrations. \nWhat to do next\nIf this Salesforce and Manual Salesforce QA role sounds like a good fit, please apply with your most up-to-date CV and I’ll be in touch.\n \nSalesforce QA Tester | £225 - £275 | Outside IR35 | 12 Months | Remote

Internal Penetration Tester - Hybrid in London - Inside IR35 - 6 months We are seeking an experienced Internal Pentester to join an international client secure their networks. This critical role, based in London (2-3 days per week), requires deep expertise in conducting manual and automated security assessments across networks, applications, cloud platforms, and infrastructure. You will identify and exploit vulnerabilities, simulate real-world attacks, and deliver actionable remediation guidance to strengthen defenses. Key Responsibilities: • Plan and execute penetration tests - perform manual and automated testing across applications, APIs, internal/external networks, cloud environments, and Active Directory., • Identify, exploit, and validate vulnerabilities - uncover security flaws such as insecure authentication, authorization bypasses, misconfigurations, and privilege escalation paths., • Simulate real-world attacks - use adversary techniques and offensive tools to test the resilience of networks, systems, and security controls., • Develop detailed reports - produce both technical and executive-level documentation outlining findings, risk impact, and remediation steps What You Will Ideally Bring: • Application security knowledge - strong grasp of OWASP Top 10 and API security issues.Contract Details:, • Hands-on pentesting experience - 3-7+ years in penetration testing, red teaming, or offensive security across networks, cloud, AD, and web apps., • Offensive security tooling - expertise with Nmap, Nessus, Masscan, Burp Suite, Metasploit, Cobalt Strike, Mimikatz, SQLmap, ScoutSuite, Pacu, etc., • Reporting expertise - ability to produce professional pentest reports with CVSS scoring and MITRE ATT&CK mapping for both technical and executive stakeholders. Contract Details: • Duration: 6 months (with view to extend), • Day Rate: Up to £500 per day (Inside IR35), • Location: London (3x a week), • Start Date: ASAP

Software Tester (Manual and Automation).

Manual Penetration Tester \n Fully Remote \n\n We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester.

Requirements for the Electrical Tester 2391, NVQ Level 3 Installation, 18th Edition Full UK Manual Driving License Experience in Electrical Testing and domesticsBenefits for the Electrical Tester Van and Fuel Card 21 days holiday + bank holidaysIf you are interested in hearing more about the vacan

Requirements for the Electrical Tester 2391, NVQ Level 3 Installation, 18th Edition Full UK Manual Driving License Experience in Electrical Testing and domesticsBenefits for the Electrical Tester Van and Fuel Card 21 days holiday + bank holidaysIf you are interested in hearing more about the vacan

Involvement in all test activities (reviewing designs, estimates, testing, bug re-testing, etc. Manual testing of web-based applications ensuring coverage meets agreed standards. We have 4 web-based applications used internally for car leasing and fleet management that require SIT and UAT testing.

Selenium WebDriver (Java), TestNG, JUnit, Cucumber, Maven, Git, CI/CD pipelines. It is ideal for someone with strong experience across manual and automation testing, and a demonstrable background in UK public sector services—ideally within blue light environments. Develop and maintain automated te

Job Description Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Required experience - Proven history in the delivery of manual penetration testing (Application and Infrastructure) - A so

Uneek are working with a forward-thinking organisation delivering high-impact software and AI solutions across secure and regulated sectors that are looking for a Senior Automation Tester. Get notified about new Software Tester jobs in. Senior Manual Software Tester - Central London (2 days a week o

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

Manual Tester, Software Tester, Test Analyst, Tester, QA Tester, Quality Assurance, Application Tester – 2 days in the office – Software House 35K. This East Midlands-based Software House is looking for a solid Software Tester to join their testing team.

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

Manual Penetration Tester Find out more about this role by reading the information below, then apply to be considered. Fully RemoteWere proud to be working with a renowned MSP in supp

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure). Get notified about new Penetration Tester jobs in.

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).

We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Proven history in the delivery of manual penetration testing (Application and Infrastructure).