Junior Penetration Tester Jobs In Sheffield Page 6 by Location

Internal Penetration Tester

Company IconSalt
Location IconLeeds

Internal Penetration Tester Salary: £75,000 - £110,000 per annumLocation: Belfast - 2/3 days per weekPositions: 3We are partnering with a globally recognis...Read More>>.

Posted: October 15th, 2026
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Ethical Hacker / Penetration Tester - no experience needed

Company IconNEWTO TRAINING LIMITED
Location IconCardiff

Job DescriptionEthical Hacker / Penetration Tester – no experience needed \nFrom £45,000 - £65,000 \n *This is a self-funded career programme with a guaranteed job on completion or 100% of your...Read More>>.

Posted: October 12th, 2026
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Senior Penetration Tester

Company IconMorson Group
Location Icon

Overview In this role you will lead hands-on penetration testing across complex environments, delivering security assessments for public sector, CNI, and large enterprises. You’ll work with cloud, containerized tech, and on-prem infrastru...Read More>>.

Posted: October 10th, 2026
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Penetration Tester

Company IconLloyds Banking Group
Location IconEdinburgh

Overview In this role, you help strengthen the Group’s security posture by delivering offensive security testing across multiple technologies. You will work within the Security Testing team in a large, regulated financial services environ...Read More>>.

Posted: October 10th, 2026
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Penetration Tester

Company IconBAE Systems
Location IconFrimley

Overview As a Penetration Tester in the Active Defence, Red Team, you’ll help simulate attacks, identify weaknesses and drive defensive improvements. You will produce actionable reports and work with resolver groups to ensure timely remed...Read More>>.

Posted: October 11th, 2026
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Penetration Tester

Company IconBytes Software Services
Location IconLeatherhead

Overview In this role you will perform hands-on penetration testing and security assessments across infrastructure, web apps, APIs, mobile apps, and cloud configurations within a collaborative assurance testing team. You will contribute to...Read More>>.

Posted: October 12th, 2026
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Cyber Security Penetration Testing Consultant

Company IconAccenture
Location IconLondon

Overview As a Penetration Tester at Accenture, you will conduct hands-on security testing of client web apps, APIs and infrastructure, collaborating with a skilled testing team and CHECK Team Leaders. You’ll identify, demonstrate impact,...Read More>>.

Posted: October 14th, 2026
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Senior Penetration Tester

Company IconBridewell
Location IconLondon

As a result of growth, weare looking for an experiencedSeniorPenetration Testerwith solid experience of infrastructureandwebapplicationtestingto delivertesting engagementson a range of key client work. This is an excellent opportunity fo...Read More>>.

Posted: September 11th, 2026
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Penetration Tester

Company IconWpp
Location IconLondon

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert...Read More>>.

Posted: September 12th, 2026
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Threat & Vulnerability Penetration Tester (TVM)

Company IconThames Water
Location IconReading

Thames Water is seeking a Security Penetration Tester to support TVM solutions and vulnerability remediation across the IT estate. You will work with Digital teams to ensure mitigations are implemented and maintained, aiming for high security, com...Read More>>.

Posted: September 13th, 2026
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Security Penetration Tester

Company IconThames Water
Location IconReading

As a Security Penetration Tester, you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaisi...Read More>>.

Posted: September 13th, 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 - Security Consultant (Hybrid UK)

Company IconCitation Cyber
Location IconWatford

Citation Cyber is seeking a Security Consultant to join our penetration testing team on a hybrid UK basis. You will deliver a range of technical security assessments across client environments, identifying vulnerabilities and strengthening cyber r...Read More>>.

Posted: September 16th, 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 16th, 2026
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Penetration Tester - Hybrid UK, CHECK-Ready

Company IconCitation Cyber
Location IconSouthampton

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

Posted: September 16th, 2026
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Penetration Tester

Company IconCitation Cyber
Location IconChesterfield

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 16th, 2026
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Security Consultant: Penetration Testing & Cloud Security

Company IconCitation Cyber
Location IconNormanton on Trent

Citation Cyber in the UK is seeking a Security Consultant to join our penetration testing team. You'll deliver a range of technical security assessments across client environments, identifying vulnerabilities and strengthening cyber resilience....Read More>>.

Posted: September 16th, 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: October 11th, 2026
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Lead Ethical Hacking Penetration Tester

Company IconDriver & Vehicle Licensing Agency
Location IconSwansea

Salary: £57,515 - 82,430 per year Requirements Experience leading penetration testing and ethical hacking activities within complex enterprise environments. Experience designing and delivering vulnerabilit...Read More>>.

Posted: October 11th, 2026
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Penetration Tester

Company IconNeev
Location IconGaydon

Cyber Security is a fast paced and dynamic area within the Automotive Industry. You will be an elemental part of the Product Engineering teams delivering clients products in a secure way always looking at improving the Cyber Security posture and r...Read More>>.

Posted: October 11th, 2026
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Senior Penetration Tester – Web, Network & Mobile Security

Company IconBarclays
Location IconManchester

Barclays is hiring a Penetration Tester at the Assistant Vice President level, based in Knutsford (Radbroke Hall) or Manchester (4 Piccadilly Place). The role involves leading security assessments across web, network and mobile environments, deliv...Read More>>.

Posted: October 12th, 2026
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Penetration Tester

Company IconTechtrace Partners
Location Icon

England | Full-time | Home-based with customer travel If you’re an established CHECK Team Member who wants to keep developing through practical delivery and working with other testers, this role is worth a look. We’re supporting...Read More>>.

Posted: October 13th, 2026
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Client-Facing Penetration Tester

Company IconCognisys
Location Icon

Cognisys in the United Kingdom is seeking a Pen Tester to join during a period of growth. You will deliver security assessments across networks, apps and cloud, using automated tools and manual testing to identify vulnerabilities and communicate r...Read More>>.

Posted: October 13th, 2026
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Penetration Tester: AI Security & Red Team Growth Path

Company IconHamilton Barnes ?
Location IconLondon

Hamilton Barnes is seeking a mid-level Security Testing Consultant in London to lead end-to-end penetration testing across web, infrastructure, cloud and API engagements. You will report findings to technical and executive audiences and guide reme...Read More>>.

Posted: October 13th, 2026
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Penetration Tester

Company Iconbeaumont
Location Icon

Enjoy getting hands-on with security testing and helping clients understand what to fix and why? I'm looking for a Cyber Security Consultant to join an established IT services business, working with clients to identify vulnerabilities and i...Read More>>.

Posted: October 13th, 2026
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Offensive Security Tester or Penetration Tester

Company Iconhackajob
Location IconLondon

Overviewhackajob is collaborating with NTT DATA UK to connect them with exceptional tech professionals for this role.Offensive Security Tester / REMOTETechnical Consultancy, LondonThe Team You'll Be Working With...Read More>>.

Posted: October 13th, 2026
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Cyber Security Penetration Tester

Company IconAccenture UK
Location IconLondon

Job Title: Cyber Security Penetration Tester Locations: UK wide (hybrid work- 1x a month in office) Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to s...Read More>>.

Posted: October 13th, 2026
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Penetration Tester

Company IconHamilton Barnes ?
Location IconLondon

A great opportunity for a mid-level Security Testing Consultant to join a London-based cybersecurity and AI risk consultancy operating to CREST methodology as an accredited CREST member company. You'll own delivery of your own engagements end-to-e...Read More>>.

Posted: October 13th, 2026
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Network Security Testing Lead — KPI-Driven

Company IconVodafone
Location IconLondon

Vodafone is seeking an Operational & Technical Testing Lead – Networks to deliver security control testing across its telecommunications environments. This role requires expertise in network security to develop strategies, validate controls, and...Read More>>.

Posted: October 13th, 2026
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Security Engineer-Pentest, Continuous Security Testing

Company IconAmazon
Location IconScotland

DescriptionWe are looking for a Security Engineer to join Continuous Security Testing (CST), the AWS team that thinks like an adversary against systems running in production. You will follow real-world signals to where testing matter...Read More>>.

Posted: October 14th, 2026
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Security Engineer-Pentest, Continuous Security Testing

Company IconAmazon Inc.
Location IconLondon

Security Engineer-Pentest, Continuous Security Testing Job ID: 10575736 | Amazon Development Centre (London) Limited We are looking for a Security Engineer to join Continuous Security Testing (CST), the AWS team that thinks like an...Read More>>.

Posted: October 14th, 2026
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Cyber Security Consultant / Penetration Tester

Company IconA&O IT Group
Location IconThatcham

Hybrid working 3 day's in the office, initially this will be in Bracknell and then moving to Maidenhead towards the end of this year. As Security Consultant (SC) you will use your existing strong technical and analytical skills to develop a...Read More>>.

Posted: October 14th, 2026
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Senior Internal Penetration Tester - Enterprise Security

Company IconSalt
Location IconNorthern Ireland

Salt seeks an experienced Penetration Tester/Offensive Security professional to join a growing global security team. You will assess and improve the security of enterprise applications, platforms and emerging technologies across multiple markets....Read More>>.

Posted: October 14th, 2026
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Penetration Tester (CHECK Team Member)

Company IconOscar Associates (UK) Limited
Location IconOxford

Penetration Tester / CHECK Team Member | £45-55k + BenefitsIf your skills, experience, and qualifications match those in this job overview, do not delay your application.Remote UK | Client-site testing as required...Read More>>.

Posted: October 15th, 2026
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Cyber Security Penetration Test Engineer

Company IconTata Technologies Europe Ltd
Location IconWarwick

At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for Cyber Security...Read More>>.

Posted: October 11th, 2026
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Penetration Tester

Company IconDgh Recruitment
Location IconLondon

Penetration TesterThe information below covers the role requirements, expected candidate experience, and accompanying qualifications.DGH Recruitment are currently recruiting on behalf of a leading client in the Accountancy industry who re...Read More>>.

Posted: October 11th, 2026
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Security Testing Consultant (Penetration Tester) Hybrid

Company IconHackajob Ltd
Location IconCamberley

Our client is the digital and intelligence arm of a major defence company.Location(s):UK, Europe & Africa : UK : Frimley || UK, Europe & Africa : UK : Gloucester || UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : Leeds...Read More>>.

Posted: October 11th, 2026
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Food Safety and Quality Manager (Maternity Cover)

Company IconGenesis Crafty
Location IconMagherafelt

Food Safety and Quality Manager (Maternity Cover)Job ref: FSQM0926 | Job type: TemporaryLocation: MagherafeltQuantity of Posts Available: 1...Read More>>.

Posted: October 12th, 2026
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Food Safety and Quality Manager (Mat Cover 1 year)

Company IconNI Resourcing
Location IconMagherafelt

Food Safety and Quality ManagerSouth Derry AreaSalary is dependent on experience (£34-40K Approx)The Role:To develop and implement...Read More>>.

Posted: October 13th, 2026
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Food Safety & Quality Manager

Company IconVickerStock
Location IconMagherafelt

Vickerstock are working in partnership with an established bakery manufacturer to recruit a Food Safety & Quality Manager for a maternity cover position at their factory based in the Magherafelt area.Thi...Read More>>.

Posted: October 14th, 2026
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Food Safety & Quality Manager - 12 months FTC

Company IconVANRATH
Location IconCounty Tyrone

VANRATH is proud to partner with a leading manufacturing company. Join a dynamic team where your expertise will make a real impact on product excellence and consumer safety.Salary/Benefits:£45k - £50k12-month fixed...Read More>>.

Posted: October 8th, 2026
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Graduate Security Consultant / Penetration Tester

Company IconOscar Technology
Location IconRowberrow

Graduate Security Consultant / Penetration Tester Bristol £28,000-£34,000About the roleOur client is looking for a motivated graduate to join a cyber consultancy team in Bristol, beginning a career in security consulting a...Read More>>.

Posted: October 9th, 2026
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Cyber Security Penetration Tester

Company IconAccenture
Location IconLondon

Job Title: Cyber Security Penetration Tester Locations: UK wide (hybrid work- 1x a month in office) Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subjec...Read More>>.

Posted: October 11th, 2026
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Junior Penetration Tester – Hybrid Security Testing

Company IconLloyds Banking Group
Location IconCity of Edinburgh

Lloyds Banking Group is seeking a Penetration Tester to join the Security Testing team. You will help strengthen the Group's security posture by planning and delivering offensive security testing across multiple technologies in a highly regulated...Read More>>.

Posted: October 11th, 2026
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Cyber Security Penetration Tester

Company IconAccenture UK & Ireland
Location IconCheltenham

Job Title: Cyber Security Penetration Tester Locations: UK wide (hybrid work- 1x a month in office) Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of em...Read More>>.

Posted: October 11th, 2026
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Penetration Tester (Hybrid) - Banking Security

Company IconLloyds Bank plc
Location IconManchester

Lloyds Banking Group is seeking a Junior Penetration Tester to join our Security Testing team in a hybrid role across multiple UK sites, including Manchester. You will perform security testing across Web, API, and infrastructure, and work closely...Read More>>.

Posted: October 11th, 2026
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Junior Penetration Tester - Hybrid & Growth

Company IconLloyds Banking Group
Location IconLeeds

Lloyds Banking Group in the United Kingdom is seeking a Junior Penetration Tester to join the Chief Security Office's Security Testing team. You will plan, execute and report on offensive security engagements across web, API, mobile, infrastructur...Read More>>.

Posted: October 11th, 2026
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Penetration Tester

Company IconLloyds Bank plc
Location IconManchester

End DateWednesday 04 November 2026Salary Range£48,987 - £54,430Flexible Working OptionsHybrid Working, Job ShareJOB TITLE: Penetration TesterSALARY: £48,987 - £59,00...Read More>>.

Posted: October 11th, 2026
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Penetration Tester - Hybrid UK Role with Growth Path

Company IconAccenture UK & Ireland
Location IconCheltenham

Accenture UK & Ireland is seeking a Cyber Security Penetration Tester to deliver hands-on security testing of client web applications, APIs and infrastructure across UK projects. You will work within a testing team, supervised by senior testers, d...Read More>>.

Posted: October 11th, 2026
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Penetration Tester - SC Cleared

Company IconRedcentric plc
Location IconHarrogate

Redcentric plc is seeking a skilled Cyber Security Tester to deliver high‑level security engagements and lead client engagements within our Cyber Security Division. You will conduct hands-on testing, translate findings into business risks, and p...Read More>>.

Posted: October 15th, 2026
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