Senior Penetration Tester

3 weeks ago


United Kingdom Onsecurity Full time

OnSecurity builds technology that makes tech businesses less likely to be targeted by cyber-criminals, and to ensure they are resilient to the inevitable cyber-attacks that will come their way. From our next-generation Pentesting and PtaaS, to our Scan and Radar products, OnSecurity is a single source of security for modern, tech-enabled businesses.

Job Description

OnSecurity seeks a skilled senior penetration tester to conduct testing projects across various sectors, including Telecoms, Fintech, Medtech, and Retail. Additionally, you will contribute to team development through testnet participation and methodology refinement.Responsibilities:

Perform remote and on-site penetration testing, covering:

  • Web application and API penetration testing
  • Infrastructure (External & Internal) penetration testing
  • Assist in building and maintaining the OnSecurity testing network.
  • Share knowledge and experience within the testing team.
  • Assist in ensuring the quality assurance of tests.
Requirements:
  • Minimum 4 years of experience in delivering penetration testing across various disciplines, including infrastructure, web app, mobile app, social engineering, and OSINT.
  • Passion for IT security, with a preference for testers who view IT security and pen testing as more than just a job but also a hobby.
  • Strong technical knowledge of IT security testing methodologies and technology. Possession of an industry-respected qualification (OSCP, CRT, CCT) is desirable but not essential.
  • Team-oriented mindset, collaborating closely with other testers in the team.
  • Coding skills (Python, Go, etc.) for tooling and automation development are beneficial.
  • Competitive salary with regular pay reviews.
  • Healthcare benefits, including Vitality Private Healthcare.
  • Unlimited holiday allowance to maintain work-life balance.
  • Seasonal company gatherings to foster team spirit.
  • Remote-first with a Bristol HQ, offering flexibility for remote work.
  • Flexible working arrangements, prioritizing business needs while accommodating personal schedules.
#J-18808-Ljbffr
  • Penetration Tester

    2 weeks ago


    United Kingdom Miller Maxwell Ltd Full time

    Penetration Tester / Security Analyst – 12-month Contract – Outside IR35. Global financial services organisation seeks to hire an experienced Penetration Tester / Security Analyst to work as part of a global team responsible for Web Application Penetration testing from end-to-end. The Penetration Tester / Security Analyst will provide consultancy to...

  • Penetration Tester

    2 weeks ago


    United Kingdom Miller Maxwell Ltd Full time

    Penetration Tester / Security Analyst – 12-month Contract – Outside IR35. Global financial services organisation seeks to hire an experienced Penetration Tester / Security Analyst to work as part of a global team responsible for Web Application Penetration testing from end-to-end. The Penetration Tester / Security Analyst will provide consultancy to...

  • Penetration Tester

    1 month ago


    United Kingdom OnSecurity Full time

    Job Description As an OnSecurity penetration tester you will be responsible for conducting remote penetration testing for OnSecurity’s clients across numerous sectors including (but not limited to); Telecoms, Fintech, Medtech, and Retail using our unique delivery platform. You will also assist development of the team through testnet & methodology...

  • Penetration Tester

    3 weeks ago


    United Kingdom Trustmarque Group Full time

    Are you a passionate security professional eager to hone your skills and contribute to a world-class security practice? Join our growing Security Testing Practice as a Penetration Tester/Security Consultant and play a vital role in protecting our clients' digital assets. What you’ll be doing:  Sharpen Your Skills, Sharpen Our Security: Continuously...

  • Penetration Tester

    2 months ago


    United Kingdom KPMG UK Full time

    Senior Penetration Tester - 103793 Base Location: Hybrid/UK based (core office in London) plus network of 20 offices nationally: The KPMG Connected Technology function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation and adoption of cutting-edge solutions across the UK....

  • Penetration Tester

    2 months ago


    United Kingdom KPMG UK Full time

    Senior Penetration Tester - 103793 Base Location: Hybrid/UK based (core office in London) plus network of 20 offices nationally: The KPMG Connected Technology function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation and adoption of cutting-edge solutions across the UK....

  • Penetration Tester

    3 weeks ago


    United Kingdom Onsecurity Full time

    OnSecurity builds technology that makes tech businesses less likely to be targeted by cyber-criminals,and to ensure they are resilient to the inevitable cyber-attacks that will come their way. From ournext-generation Pentesting and PtaaS services, to our Scan and Radar products, OnSecurity is a singlesource of security for modern, tech-enabled businesses. ...

  • Penetration Tester

    3 weeks ago


    United Kingdom Maxwell Bond Full time €60,000

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...

  • Penetration Tester

    3 weeks ago


    United Kingdom Maxwell Bond Full time €60,000

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...

  • Penetration Tester

    2 weeks ago


    United Kingdom Maxwell Bond Full time €60,000

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...

  • Penetration Tester

    2 weeks ago


    United Kingdom Maxwell Bond Full time €60,000

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...

  • Penetration Tester

    4 weeks ago


    United Kingdom Trident Search Full time

    Penetration Tester £60,000 Remote with travel to Sunderland couple days a month The Company This UK based specialist cyber security consultancy are scaling up there team with several hires at the moment as a result of their expansion. Since 2018, this experienced team of professionals have supported clients throughout the UK, Europe, South East...

  • Penetration Tester

    3 weeks ago


    United Kingdom Maxwell Bond Full time

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...

  • Penetration Tester

    2 weeks ago


    United Kingdom Maxwell Bond Full time

    *Penetration Tester* Fully remote *up to £60K - SC Cleared We are looking for talented security consultants to deliver top-notch penetration testing, red teaming, and custom security services for one of our clients. Their customer-focused approach ensures their work aligns with customers unique needs, offering real value. Your Role: Conduct penetration...


  • United Kingdom Mentmore Full time

    Group Senior Penetration Tester - Azure /AWS - CREST - PEN £70k + Benefits + Bonus UK - FULLY REMOTE - (with occasion visits to closest uk office) **Security Check (SC) vetting clearance is a conditional requirement of the role** A global enterprise company are looking for a skilled Senior Penetration Tester to join their highly regarded cyber-security...


  • United Kingdom Mentmore Full time €70,000

    Group Senior Penetration Tester - Azure /AWS - CREST - PEN £70k + Benefits + Bonus UK - FULLY REMOTE - (with occasion visits to closest uk office) **Security Check (SC) vetting clearance is a conditional requirement of the role** A global enterprise company are looking for a skilled Senior Penetration Tester to join their highly regarded cyber-security...


  • United Kingdom Mentmore Full time

    Group Senior Penetration Tester - Azure /AWS - CREST - PEN £70k + Benefits + Bonus UK - FULLY REMOTE - (with occasion visits to closest uk office) **Security Check (SC) vetting clearance is a conditional requirement of the role** A global enterprise company are looking for a skilled Senior Penetration Tester to join their highly regarded cyber-security...

  • Penetration Tester

    1 month ago


    United Kingdom Zync. Full time

    Penetration Tester (IoT) - £450 - £550 per day - Outside IR35 - Stafford, UK We are looking for a Penetration Tester with strong knowledge of IoT Security to work on an exciting IoT project. You will be conducting thorough penetration tests on different types of systems including IoT devices, you'll be identifying and exploiting vulnerabilities. This...


  • United Kingdom KPMG UK Full time

    Senior Penetration Tester - 103793 Base Location: Hybrid/UK based (core office in London) plus network of 20 offices nationally: The KPMG Connected Technology function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation and adoption of cutting-edge solutions across the UK....


  • United Kingdom KPMG UK Full time

    Senior Penetration Tester - 103793 Base Location: Hybrid/UK based (core office in London) plus network of 20 offices nationally: The KPMG Connected Technology function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation and adoption of cutting-edge solutions across the UK....