Junior Penetration Tester Jobs In Bristol Page 2 by Location

Penetration Tester

Company IconVIQU Limited
Location IconLondon

Overview In this role you will deliver end-to-end penetration testing engagements across web applications, APIs, infrastructure, networks, cloud and mobile environments. You will work directly with clients, help scope engagements, and prese...Read More>>.

Posted: September 30th, 2026
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Security Testing Consultant (Penetration Tester) Hybrid

Company IconBAE Systems
Location IconFrimley

Overview In this role you will conduct security testing across web, infrastructure, cloud, and external surfaces to identify and remediate vulnerabilities. You will work with cross-functional teams within a threat intelligence and security...Read More>>.

Posted: September 30th, 2026
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IT/OT Penetration Tester

Company IconPA Consulting
Location IconLondon

Overview In this role you help clients strengthen security through hands-on testing and clear reporting. You join PA’s Digital & Data community to deliver agile, client‑facing security work and contribute to knowledge sharing within a c...Read More>>.

Posted: October 1st, 2026
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Cyber Security Consultant (Penetration Tester)

Company IconMoore Kingston Smith
Location IconLondon

Overview In this role you will lead and execute hands-on penetration testing across web apps, APIs, and network infrastructures within a collaborative risk advisory team. You’ll deliver Cyber Essentials Plus assessments and broader securi...Read More>>.

Posted: October 1st, 2026
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Penetration Tester

Company IconBarclays
Location IconManchester

Overview As a Penetration Tester, you will help protect our organisation by identifying vulnerabilities in web, network, mobile, and client applications. You’ll work within a collaborative security testing team, turning findings into acti...Read More>>.

Posted: October 1st, 2026
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Penetration Tester

Company IconG Research
Location IconLondon

Overview As a Penetration Tester, you will lead penetration tests and assess vulnerabilities across internal systems and security controls. You strengthen our security posture through ongoing testing, actionable remediation guidance, and co...Read More>>.

Posted: October 1st, 2026
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Senior Penetration Tester

Company IconStarling Bank
Location IconLondon

Overview In this role you will work with our cyber security team to protect Starling’s customers and assets by conducting comprehensive penetration testing across mobile, web, cloud, and infrastructure. You will collaborate with engineeri...Read More>>.

Posted: October 1st, 2026
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Head of OT & ICS Security Testing

Company IconLRQA
Location IconBirmingham

Overview In this role, you will lead LRQA’s OT and ICS security testing service line, guiding live-environment assessments and safety-first testing across energy, utilities, manufacturing, maritime and process sectors. You’ll build lab...Read More>>.

Posted: October 5th, 2026
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Senior Security Testing Consultant

Company IconAnson McCade
Location Icon

Deliver hands‑on security testing that protects critical systems. About the Role As a Senior Security Testing Consultant, you’ll deliver end‑to‑end security testing engagements across applications, web, mobile, and infra...Read More>>.

Posted: June 26th, 2026
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Senior Penetration Tester — Lead Security Assessments

Company IconNational Physical Laboratory (NPL)
Location Icon

The National Physical Laboratory (NPL) seeks a Senior Security Testing Specialist to lead security assessments across complex systems. You will be responsible for conducting hands-on penetration testing and mentoring junior team members, all withi...Read More>>.

Posted: August 17th, 2026
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Security / Penetration Testing Engineer – London

Company IconCognizant
Location Icon

Security / Penetration Testing Engineer – London Role will be part of our Quality Engineering & Assurance (QE&A) Practice. With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a reco...Read More>>.

Posted: August 17th, 2026
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SC-Cleared Penetration Tester — Fully Remote Contract

Company IconSmartSourcing Ltd
Location IconRingway

SmartSourcing Ltd is urgently seeking a SC/Clearance qualified professional for the role of SC Cleared Check Team Lead (CTL) or Check Team Member (CTM) and Pen Test/ Ethical Hacker. This fully remote contract offers daily rates of £650–£700 ou...Read More>>.

Posted: September 14th, 2026
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Senior Penetration Tester - Remote

Company IconVIQU Limited
Location IconShoreditch

VIQU Limited is seeking a Senior Penetration Tester to work in a remote-capable role with client travel. You will deliver end-to-end penetration tests, directly engage with clients, and help develop technical capabilities across web apps, APIs, in...Read More>>.

Posted: September 14th, 2026
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Security Consultant - Red Team & Penetration Testing Lead

Company IconHamilton Barnes Associates Limited
Location Icon

Hamilton Barnes Associates Limited is seeking a security testing expert to lead client engagements across the UK. You will conduct network, web, and mobile assessments, perform social engineering, and participate in red team engagements to deliver...Read More>>.

Posted: September 14th, 2026
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Security Consultant (Penetration Testing) – Hybrid UK

Company IconCitation Cyber
Location IconCardiff

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, Cyber Essentials certification, training and managed services. We are seeking a Security Consultant to join our CHECK/CREST-aligned team.You will perf...Read More>>.

Posted: September 16th, 2026
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Penetration Testing Security Consultant - Hybrid, Training

Company IconCitation Cyber
Location IconWarmley

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our hybrid UK team. You’ll deliver a range of security assessments across client environments, identifying vulnerabilities and advising on remediation.Responsib...Read More>>.

Posted: September 16th, 2026
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Security Consultant (Penetration Testing)

Company IconCitation Cyber
Location IconStockport

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join a hybrid UK team delivering comprehensive security assessments for a range of clients. You’ll test infrastructure and web apps, assess cloud security, and produce clea...Read More>>.

Posted: September 16th, 2026
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Penetration Tester - CTM

Company IconOscar
Location Icon

We’re working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations.They’re looking for a Cyber Security Consultant / Penetration Tester to join the...Read More>>.

Posted: September 20th, 2026
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Security Consultant: Penetration Testing & Cloud Security

Company IconCitation Cyber
Location IconNorwich

Citation Cyber, a leading UK cyber security consultancy, is hiring a Security Consultant (Penetration Testing) to join its hybrid UK team. You will deliver security assessments across client environments, including infrastructure and web applicati...Read More>>.

Posted: September 21st, 2026
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Hybrid Penetration Tester & Security Consultant

Company IconCitation Cyber
Location IconBasingstoke

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our growing team. You will deliver a wide range of technical security assessments across client environments, identifying vulnerabilities and advising on remediation....Read More>>.

Posted: September 21st, 2026
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Senior Penetration Tester - FinTech Security Leader

Company IconStarling Bank Limited
Location IconCardiff

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediati...Read More>>.

Posted: September 21st, 2026
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Cyber Security Test Lead

Company IconPeregrine
Location Icon

Peregrine City Of Bristol, England, United KingdomCyber Security Test LeadAt Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients....Read More>>.

Posted: September 21st, 2026
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Penetration Tester

Company IconCitation Cyber
Location IconSlough

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is...Read More>>.

Posted: September 21st, 2026
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Penetration Tester & Security Consultant (Hybrid UK)

Company IconCitation Cyber
Location IconChester

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our hybrid-UK team. You'll deliver security assessments across client environments, report findings clearly and help clients remediate vulnerabilities.As a CHECK/...Read More>>.

Posted: September 21st, 2026
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Penetration Tester - Offensive Security Consultant

Company IconWorkNest Secure
Location Icon

WorkNest Secure is seeking Offensive Security Consultants (Penetration Testers) to join our growing Cyber Security team in the United Kingdom. You will perform CHECK-accredited penetration tests across multiple environments and deliver actionable...Read More>>.

Posted: September 21st, 2026
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Penetration Testing Security Consultant | Hybrid UK

Company IconCitation Cyber
Location IconBradford

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification and managed security services.As a Security Consultant you will join our penetration testing team, delivering assessments across client...Read More>>.

Posted: September 21st, 2026
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Senior Penetration Tester - Hybrid & Impactful

Company IconStarling
Location IconCardiff

Starling is seeking an experienced Penetration Tester to join our fast-moving cyber security team. You will perform mobile, web, cloud and infrastructure testing to validate controls and improve overall security posture.You will collaborate...Read More>>.

Posted: September 21st, 2026
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Senior Penetration Tester - Hybrid, High-Impact Security

Company IconFSP
Location Icon

FSP is seeking a Senior Penetration Tester to join our Cyber Security practice. You will contribute to high-impact technical projects, providing expert guidance on network, platform, and application security while developing tools for adversarial...Read More>>.

Posted: September 21st, 2026
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Penetration Tester

Company IconAnthony James Consulting
Location IconFalmer

Contract Penetration Tester - Web ApplicationLocation: Brighton/UK-basedEngagement: ContractIndependent testers and specialist security firms welcomeWe're looking for an e...Read More>>.

Posted: September 21st, 2026
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Contract Penetration Tester - Web Apps & API Security

Company IconAnthony James Consulting
Location IconFalmer

Anthony James Consulting is seeking an experienced penetration tester or security testing firm to conduct an independent assessment of a Laravel/PHP web application with a substantial API component, based in the Brighton area.The engagement...Read More>>.

Posted: September 22nd, 2026
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Penetration Tester & Red Team Specialist

Company IconDAC Beachcroft LLP
Location Icon

DAC Beachcroft LLP is seeking a Cyber Security Offensive Specialist to join our Technology team in Bristol. You will plan and execute authorised penetration tests, conduct red team exercises, and drive remediation strategies to strengthen our cybe...Read More>>.

Posted: September 22nd, 2026
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Penetration Tester - London or Belfast

Company IconHarrington Starr
Location IconNorthern Ireland

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 assess...Read More>>.

Posted: October 1st, 2026
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Senior Penetration Tester

Company IconRMT Accountants & Business Advisors Ltd
Location Icon

DescriptionIn 2023, RMT became part of Sumer Group - a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.Department: Operations - ITLo...Read More>>.

Posted: October 2nd, 2026
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Senior Penetration Tester — Lead & Mentor Security

Company IconRMT Accountants & Business Advisors Ltd
Location Icon

Sumer Group, via its RMT Operations - IT, seeks an experienced Lead Penetration Tester to join its Cyber Security practice on client-site engagements. You will lead penetration tests, Cyber Essentials assessments, and security reviews for diverse...Read More>>.

Posted: October 2nd, 2026
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Senior Penetration Tester - Remote with Client Engagements

Company IconVIQU IT Recruitment
Location IconShoreditch

VIQU IT Recruitment partnered with a leading Cyber Security Consultancy is seeking a Senior Penetration Tester to join its team. You\'ll deliver end-to-end penetration testing engagements, work directly with clients and contribute to the developme...Read More>>.

Posted: October 3rd, 2026
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Remote Principal Penetration Tester | Lead Security Testing

Company IconMorson Group
Location Icon

Morson Group is seeking an experienced Principal Penetration Tester to lead and deliver complex penetration testing engagements for clients. The role covers hands-on testing across infrastructure, cloud, Kubernetes, and hybrid environments, while...Read More>>.

Posted: October 8th, 2026
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Penetration Tester: Hands-on Security Defender

Company IconQuik Hire Staffing
Location Icon

We are hiring for one of our clients, seeking a Penetration Tester to work on a Full-Time basis. The role involves identifying and exploiting vulnerabilities in systems, networks, and applications to assess security posture. Responsibilities inclu...Read More>>.

Posted: October 8th, 2026
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Remote Penetration Tester — CHECK Specialist

Company IconTechtrace Partners
Location Icon

Techtrace Partners in England seeks an experienced CTM to deliver CHECK and commercial security assessments from home with travel to client sites. You will produce detailed reports and support engagement delivery across government CHECK programs a...Read More>>.

Posted: October 13th, 2026
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Graduate Test Engineer — Networking & Security Testing

Company IconPrecept Recruit
Location IconEast Midlands

Precept Recruit is seeking a Graduate Test Engineer in Derby to join a growing team. The role requires SC clearance and offers a salary of 25,000–32,000 per year with exceptional benefits. You will test functional, regression and integration asp...Read More>>.

Posted: October 9th, 2026
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Hybrid Penetration Tester - Secure Banking Tech & Cloud

Company IconLloyds Banking Group
Location IconManchester

Lloyds Banking Group is seeking a Junior Penetration Tester in Manchester with hybrid working. You will support offensive security testing across web, API, mobile, infrastructure and cloud assets, planning, executing and reporting engagements to s...Read More>>.

Posted: October 9th, 2026
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Graduate Penetration Tester — Mentored Security Consultant Path

Company IconOscar Technology
Location Icon

Oscar Associates (UK) Limited is seeking a Graduate Security Consultant / Penetration Tester in Bristol, offering structured mentorship and training from day one to start a career in cyber consultancy and security testing.This entry point r...Read More>>.

Posted: October 9th, 2026
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Casual Exam Invigilator: Secure Testing Environment

Company IconDudley Academies Trust
Location IconDudley

St James Academy in Dudley is seeking casual exam invigilators to supervise student examinations and ensure a fair, safe, and secure environment in line with exam guidelines.Applicants should be willing to read or scribe for candidates and...Read More>>.

Posted: October 11th, 2026
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Automation Test Engineer – CI/CD, Security & Quality

Company IconDWP Digital
Location IconLeeds

DWP Digital is seeking a Test Engineer to design, build and maintain automated tests for Universal Credit and Working Age Benefits in a UK-based delivery team. You will work within a multi-functional agile group to deliver automated testing soluti...Read More>>.

Posted: October 12th, 2026
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Cyber Security Tester - Manual Pen Testing & Delivery

Company IconRedcentric
Location IconHarrogate

Redcentric is seeking a skilled Cyber Security Tester to deliver manual security engagements with a focus on practical testing and client outcomes. The role requires leading client engagements and working hands-on within our Cyber Security Divisio...Read More>>.

Posted: October 13th, 2026
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