Junior Penetration Tester

3 days ago

Slough Berkshire, United Kingdom Integrity360 Full time

About Us Integrity360 is the largest independent cyber security provider in Europe, with a growing international presence spanning the UK, Ireland, mainland Europe, Africa and the Caribbean. With over 700 employees, across 12 locations, and six Security Operations Centres (SOCs)—including locations in Dublin, Sofia, Stockholm, Madrid, Rome, Naples and Cape Town—we support more than 2,500 clients across a wide range of industries.

Over 80% of our team are technical experts, focused on helping clients proactively identify, protect, detect and respond to threats in an ever-evolving cyber landscape. If you're ready to take your cyber security career to the next level, we’d love to hear from you.

This position is responsible for performing all forms of complex technical security assessments of clients’ information technology systems (including the Internet, Intranet, Applications, Hosts, Firewalls, Mobile applications etc.) and related policies and procedures. Communication in both written and verbal forms, including training courses, workshops, consultations with clients and formal reports. These assessments are conducted on a by-project basis, ranging between one and three weeks per project, and will occasionally be done at the client site. This role is also required to conduct ongoing research in the IT security arena and regularly assisting in the sales process.

Perform mobile, complex application, infrastructure, as well as social engineering assessments and penetration testing
Exploit vulnerabilities to gain access, and expand access to remote systems
Assist with building, hardening, and maintaining systems used for penetration testing
Assist with improvements for Integrity360’s security services, including the continuous enhancement of existing methodology and reporting formats, as well as training collateral
Represent Integrity36 at international events, forums or training events
Solid experience in information security
Industry experience working in Dev/Admin/Engineer field
Industry experience working in Information security field as a penetration tester
Development and/or source code review experience in C/C++, C#, VB.NET, ASP, PHP, Java, Python or Ruby
Strong Unix, Windows and networking security skills
Familiarity with general application and network security concepts
Manual penetration testing experience above and beyond running automated tools
In depth networking knowledge (MPLS, BGP, OSPF, IPv6, TOR)
Report writing experience
Scripting/coding, sys admin or networking experience
Understanding of programming methodologies
Understanding of quality management and project management principles
IT related degree or certificate

  • Penetration Tester

    3 weeks ago

    Wokingham, Berkshire, United Kingdom Tenth Revolution Group Full time

    Penetration Tester Wokingham | Hybrid (3 days onsite, 2 remote) Up to £470 per day (Inside IR35) Contract until 30 June 2026 Active SC clearance required – sole UK nationals only We are recruiting an experienced Penetration Tester to join a leading consultancy, delivering high-quality security assessments for public sector and enterprise clients. This...

  • Penetration Tester, Security Testing

    2 weeks ago

    Wokingham, Berkshire, United Kingdom eTeam Full time

    We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. Role Title: Penetration Tester (CTM level) Wokingham RG41 5BN | Hybrid - 3 office/2 home CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE AND BE A SOLE UK NATIONAL MUST BE PAYE THROUGH UMBRELLA A penetration tester plays a vital role within the UK's...

  • Penetration Tester

    3 weeks ago

    Wokingham, Berkshire, United Kingdom eTeam Full time

    We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Penetration Tester (CTM level) Location: Wokingham RG41 5BN | Hybrid - 3 office/2 home Duration: 30/06/2026 Description CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE AND BE A SOLE UK NATIONAL MUST...

  • Junior Penetration Tester

    3 weeks ago

    Wokingham, Berkshire, United Kingdom Tenth Revolution Group Full time

    Penetration Tester Wokingham | Hybrid (3 days onsite, 2 remote) Contract until 30 June 2026 We are recruiting an experienced Penetration Tester to join a leading consultancy, delivering high-quality security assessments for public sector and enterprise clients. This role is ideal for someone who enjoys hands-on technical testing, staying ahead of emerging...

  • Penetration Tester

    1 day ago

    Reading, Berkshire, United Kingdom Venn Group Full time

    Role Title: Penetration Tester Location: Reading Start Date: Immediate after vetting Rate: £500 per day Umbrella Duration: 6 months+ Active Security Clearance (SC) essential Essentials Skills & Experiences: CHECK Team Member qualification (CREST / CyberScheme) Experience in Cloud Security (AWS / Azure) Strong knowledge of penetration testing tools including...

  • Junior Penetration Tester

    1 day ago

    Reading, Berkshire, United Kingdom Venn Group Full time

    Role Title: Penetration Tester Location: Reading Start Date: Immediate after vetting Active Security Clearance (SC) essential Experience in Cloud Security (AWS / Azure) Strong knowledge of penetration testing tools including (Burpsuite, Metasploit, Nmap) etc Good knowledge of multiple Operating Systems (OS) including Windows & *NIX Ability to...

  • Senior Account Manager

    3 days ago

    Slough, Berkshire, United Kingdom Wood Mackenzie Full time

    Wood Mackenzie is the global data and analytics business for the renewables, energy, and natural resources industries. Enhanced by technology. Enriched by human intelligence. In an ever-changing world, companies and governments need reliable and actionable insight to lead the transition to a sustainable future. That's why we cover the entire supply chain...

  • Salesforce Developer

    3 days ago

    Slough, Berkshire, United Kingdom FDM Group Full time

    FDM is a global business and technology consultancy seeking a Salesforce Engineer to work for our client within the financial services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in London. Our client is looking for a Salesforce Engineer who will design, configure, and develop solutions on the...