1 to 25 of 32 Security Tester Jobs

Security Tester

Location
City Of London, England, United Kingdom
Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security Tester

Location
Slough, England, United Kingdom
Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security Testing Consultant (Penetration Tester) Hybrid

Hiring Organisation
Hackajob Ltd
Location
Camberley, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Security Testing Consultant Penetration Tester Location: UK Wide (Occasional office work, with 25% International Travel) Who we are Join our client and youll … help pioneer progress and protect what matters most. Youll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space theres ...

Security Testing Consultant (Penetration Tester) Hybrid

Location
United Kingdom
understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Security Testing Consultant Penetration Tester Location: UK Wide (Occasional office work, with 25% International Travel) Who we are Join our client … pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space there ...

Cyber Security Controls Tester (Assurance)

Location
City Of London, England, United Kingdom
Cyber Security Controls Tester Location: Fully Remote Contract Length: 6 Months Day Rate: Circa £550 per day (Outside IR35) Security Clearance: Active SC Clearance required (must be current and verifiable) About the Role An established MSSP is seeking an experienced Cyber Security Controls Tester to support a large-scale security assurance programme. This is an excellent opportunity for a security professional with a strong controls testing, audit, risk, or assurance background to assess the effectiveness of security controls across complex environments. Working closely with security architects, risk teams ...

Graduate Security Consultant / Penetration Tester

Hiring Organisation
Oscar Associates (UK) Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£30,000
Graduate Security Consultant/Penetration Tester | Bristol | £28,000-£34,000 About the role Our client is looking for a motivated graduate to join a cyber consultancy team in Bristol, beginning a career in security consulting and penetration testing with structured mentorship and training from day one. … This is a genuine entry point into the industry, with exposure to real client engagements and a clear path to develop into a penetration tester or security consultant. Key Responsibilities Carry out security assessments and vulnerability scans across client systems, networks and application. Take part in penetration ...

Cyber Security Consultant (Penetration Tester)

Location
Greater London, England, United Kingdom
Cyber Security Consultant (Penetration Tester) Department: Cyber Employment Type: Permanent - Full Time Location: City, London Compensation: £45,000 - £55,000/year Description Moore Kingston Smith is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will join … NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors. This is a hands‐on role focused on delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments ...

Senior Offensive Security Tester (CCT-INF/CCT-APP) - UK/Spain

Location
United Kingdom
Mission At CovertSwarm, we're redefining offensive security through constant, relentless attack. As a Senior Hive Member, you'll lead sophisticated operations that push beyond traditional boundaries, mentoring fellow operators while discovering new attack vectors that others miss. The Opportunity This isn't just another testing role. … unknown vulnerabilities. You'll lead complex operations, mentor rising talent, and help shape the future of offensive security. The Arsenal (Core Responsibilities) Perform specialized security assessments across multiple domains Guide clients through complex security challenges, from technical teams to C-suite executives Mentor and elevate fellow Hive members ...

OCI Cloud Security Tester — Hybrid London, eDV Clearance

Location
City Of London, England, United Kingdom
Searchability NS&D is seeking a Security Tester to deliver security test strategies for Oracle Cloud Infrastructure in a London hybrid environment. The role focuses on cloud infrastructure, networks, IAM, and RBAC, with a requirement for active eDV clearance. You will work with architects, engineers and security ...

Security Penetration Tester

Location
Reading, England, United Kingdom
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 liaising with Digital teams to ensure appropriate mitigation and remediation of vulnerabilities detected across our IT estate. This role … collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience. Security Clearance: CTC (Counter Terrorist Check) clearance is essential. You must currently hold or be able to attain CTC clearance ...

SC-Cleared Security Tester | Remote-First UK Contract

Location
West of England, England, United Kingdom
WeDoTech is seeking an experienced Security Tester for a 12-month contract. The role is remote-first within the UK, focusing on hands-on security testing across applications and APIs to ensure security standards and regulatory requirements are met. You will work with engineering and testing ...

Oracle OCI Cloud Security Tester | Hybrid London

Location
Slough, England, United Kingdom
Searchability NS&D is seeking a Security Tester to join a London-based cloud security programme focused on Oracle Cloud Infrastructure. The role is a 12-month contract with a daily rate up to £1,000, hybrid working with 4–5 days onsite. You will design … execute security tests across OCI, networks, IAM and RBAC, review designs, report risks and drive remediation in collaboration with architecture and security teams, with current eDV clearance required. #J-18808-Ljbffr ...

Remote Penetration Tester & Security Advisory Lead

Location
South Yorkshire, England, United Kingdom
cybersecurity services provider is seeking a Penetration Tester to conduct security assessments across various clients. The role offers flexibility to work remotely or from the Sheffield office, and the ideal candidate will have 2-4 years of experience, a CREST certification, and strong communication skills. You'll help ...

Cyber Security Penetration Tester

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
Title: Cyber Security Penetration TesterLocations: 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 satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically … including no periods of 30 consecutive days or more spent outside of the UK) at the point of application. Role overviewAs a Penetration Tester, you will deliver hands-on security testing of client web applications, APIs and infrastructure. Working within a collaborative testing team, and supported by senior ...

Penetration Tester & Security Consultant (Hybrid UK)

Location
Chester, England, United Kingdom
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/CREST-enabled provider, you’ll work on infrastructure and web app testing, cloud … security reviews, and contribute to ongoing tooling and knowledge sharing while developing towards CHECK roles. #J-18808-Ljbffr ...

Hybrid Penetration Tester & Security Consultant

Location
Basingstoke, England, United Kingdom
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. The role covers infrastructure and web application testing, cloud security assessments, and clear, high ...

Penetration Tester & Security Consultant | Hybrid UK

Location
Hemel Hempstead, England, United Kingdom
Citation Cyber is a UK-based cyber security consultancy delivering penetration testing, training and managed services. We seek a Security Consultant to join our penetration testing team, delivering assessments across client environments and helping strengthen cyber resilience. You will produce high-quality reports, present findings to clients ...

Remote Cyber Security Controls Tester — Assurance Expert

Location
City Of London, England, United Kingdom
Sanderson Government & Defence is seeking a Cyber Security Controls Tester to support a large-scale security assurance programme. The role is fully remote in the UK with an initial 6-month contract and a day rate of around £550 (Outside IR35). Active SC clearance is required … will work with security architects, risk teams and stakeholders to evaluate controls against ISO 27001, NIST CSF, NIST 800-53, and CIS Controls. #J-18808-Ljbffr ...

Penetration Tester - Security Consultant (Hybrid UK)

Location
Watford, England, United Kingdom
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 resilience. The role requires practical experience in infrastructure and web app pentesting, strong ...

Hybrid Penetration Tester & Security Consultant

Location
Wollaton, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy and managed services. This role sits in a hybrid UK setup, with opportunities to advance CHECK status, CTM and senior technical positions. You will deliver assessments across client environments, report findings clearly and support remediation. ...

Remote Penetration Tester & Security Consultant

Location
Oxford, England, United Kingdom
Dionach by Nomios in the UK is seeking an experienced penetration tester to conduct tests across web apps, APIs, Cloud, and networks, delivering detailed findings and remediation guidance. The role requires at least two years in pentesting, certifications such as CREST/OSCP, and the ability to communicate technical ...

Graduate Security Consultant / Penetration Tester

Hiring Organisation
Oscar Associates (UK) Limited
Location
City, Bristol, United Kingdom
Employment Type
Permanent
Salary
GBP 34,000 Annual
Graduate Security Consultant/Penetration Tester Bristol £28,000-£34,000 About the role Our client is looking for a motivated graduate to join a cyber consultancy team in Bristol, beginning a career in security consulting and penetration testing with structured mentorship and training from ...

Junior Penetration Tester – Web, API & Cloud Security

Location
West of England, England, United Kingdom
Lloyds Banking Group is seeking a Junior Penetration Tester to join its Security Testing team. You’ll support offensive security testing across web, API, mobile, infra and cloud assets within a regulated financial services environment, reporting findings and helping strengthen the Group’s security posture. ...

Senior Penetration Tester - FinTech Security Leader

Location
Cardiff, Wales, United Kingdom
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 remediation efforts to lift overall security posture. You will mentor colleagues ...

Senior Penetration Tester - FinTech Security Leader

Location
Southampton, England, United Kingdom
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 remediation efforts to lift overall security posture. You will mentor colleagues ...