126 to 150 of 531 Penetration Testing Jobs

Security Consultant: Pen Testing & Growth (Hybrid UK)

Location
Manchester, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certifications, training and managed security services. We are expanding our penetration testing team with opportunities for CHECK status advancement and senior technical roles. You will join a hybrid UK team, performing infrastructure ...

Senior Security Architect (Active SC Clearance)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day + Outside IR35
security design reviews. Identifying security risks and recommending effective mitigation strategies. Supporting cloud-first solutions across Azure and wider multi-cloud environments. Reviewing penetration testing and IT Health Check outcomes and developing remediation plans. Working closely with engineering, assurance and risk teams to validate security controls. Producing high … Identity & Access Management. Experience securing cloud-native and microservices-based architectures. Strong background in threat modelling, risk analysis and security assurance. Experience supporting penetration testing and control effectiveness reviews. Desirable Certifications CISSP CISM SABSA TOGAF Azure Solutions Architect Reasonable Adjustments: Respect and equality are core values to us. ...

Security Analyst | Cyber Security | Hybrid

Hiring Organisation
Cyber Talent Limited
Location
Lutterworth, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Service (SaaS) platforms. Implement and maintain Microsoft Defender , Microsoft Sentinel , Microsoft Purview , and other security technologies . Lead vulnerability management and coordinate penetration testing activities. Secure Microsoft 365 services, including Exchange Online , SharePoint Online , OneDrive , and Microsoft Teams . Implement data protection controls, including Data Loss Prevention … security role. Strong technical expertise in Microsoft Entra ID , Microsoft Defender Suite , Microsoft Sentinel , and Microsoft Purview . Proven experience managing vulnerability scanning and penetration testing programmes. Experience supporting ISO 27001 compliance and coordinating Cyber Essentials and Cyber Essentials Plus certifications. Strong analytical, problem-solving, and risk assessment ...

Penetration Testing Consultant - Web & API Security

Location
Greater London, England, United Kingdom
Moore Kingston Smith is seeking an experienced Cyber Security Consultant specializing in penetration testing to join our client‐facing advisory team in London. The role focuses on delivering hands‐on penetration tests across web apps, APIs, and networks, with involvement in Cyber Essentials Plus and broader security … reviews. Ideal candidates will have strong manual testing skills, experience with Kali, Burp Suite, Nmap and vulnerability assessments, and be capable of communicating risks clearly #J-18808-Ljbffr ...

AI Staff Security Engineer

Hiring Organisation
Matchtech
Location
London, UK
Employment Type
Full-time
operational velocity and enable rapid response to millisecond attack speeds generated by autonomous adversary AI.Execute regular offensive security operations, including AI Red Teaming and penetration testing of generative and agentic systems. Lead the defense against Shadow AI by developing and deploying AI access governance tools and enforcing strict … Enforce secure-by-design principles and integrate security checks into the continuous AI development lifecycle (CI/CD), ensuring coverage for all AI system testing pre and post-deployment. Present complex security concepts (e.g., prompt injection, model drift) to non-technical audiences to drive security awareness and culture across ...

OT-IT Security Analyst and Researcher

Location
Belfast, Northern Ireland, United Kingdom
stage or mid-career professional looking to develop their career in a fast-scaling start-up. What you will do: Conduct vulnerability assessments and penetration testing on IT systems, IC Perform risk assessments for new projects, system integrations, and vendor connections that touch both IT and OT environments … concept exploits, detection signatures, and defensive countermeasures for identified vulnerabilities Build and maintain a research lab environment with representative IT and OT equipment for testing and experimentation Publish research findings through internal reports, whitepapers, and external conference presentations (as appropriate) Stay current on emerging OT threats, vulnerabilities, and industry ...

Penetration Testing Security Consultant – Hybrid (UK)

Location
Coventry, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy and managed security services. We are expanding our CHECK-Crest aligned testing team and invite skilled security testers to join. As a Security Consultant, you will perform a range of security assessments across ...

Cyber Security Consultant (UK) - Dionach by Nomios

Location
Glasgow, Scotland, United Kingdom
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. … required. Candidates must be eligible to work in the UK and willing to undergo the necessary vetting processes. What You'll Do Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Issue detailed reports outlining findings, risks, and recommendations for remediation. Translate complex technical ...

Cyber Security Consultant - Dionach by Nomios

Location
Oxford, England, United Kingdom
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. … required. Candidates must be eligible to work in the UK and willing to undergo the necessary vetting processes. What You'll Do Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Issue detailed reports outlining findings, risks, and recommendations for remediation. Translate complex technical ...

Supplier Assurance Lead

Hiring Organisation
Morson Edge
Location
Greater Manchester, North West, United Kingdom
Employment Type
Contract
Party Risk Management or Supplier Assurance. Proven experience performing supplier assurance reviews and third-party cyber security assessments. Experience reviewing supplier security evidence including penetration testing reports, certifications, audit findings and assurance documentation. Strong understanding of supplier risk management and third-party cyber security risk. Experience assessing technical … cyber security assessments of prospective and existing suppliers using publicly available information, supplier-provided evidence and specialist assurance tooling. Assess supplier security documentation including penetration testing reports, certifications, audit reports, SOC reports and other assurance evidence. Manage the cyber security supplier assurance process, including assessment tracking, reporting, governance ...

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 ...

Cyber Security Consultant (UK) - Dionach by Nomios

Location
Oxford, England, United Kingdom
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. … needs. The salary band advertised for this role is £40,000 to £65,000 per annum, depending on experience. What You'll Do Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Issue detailed reports outlining findings, risks, and recommendations for remediation. Translate complex ...

Security Consultant - Penetration Testing & Cloud Security

Location
Belfast City District, Northern Ireland, United Kingdom
Citation Cyber in the UK is seeking a Security Consultant (Penetration Testing) to join a growing team delivering a wide range of technical security assessments. You will conduct infrastructure and web application tests, perform cloud security assessments, produce reports and present findings to clients. A CHECK team member ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, UK
Employment Type
Full-time
implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. … SSO. Manage MDM\MAM and Conditional Access Manage security certificates and keys. Deliver Cyber Security Awareness Training Remediate vulnerabilities and weaknesses identified during penetration testing. Experience – EssentialThe successful candidate will have a good working knowledge and experience in managing the majority of the following technology stack CrowdStrike EDR Mimecast ...

Penetration Testing Consultant — Hybrid, Training & Growth

Location
High Wycombe, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, CREST membership, and training across public and private sectors. We seek a Security Consultant to join our CHECK and CREST-driven team in a hybrid UK-based role. You will perform infrastructure and web application testing ...

Web Security Engineer JavaScript

Location
Greater London, England, United Kingdom
applications. Joining a specialist security team, you'll focus on offensive web security, acting as the bridge between Security and Engineering. You'll perform penetration testing, reverse engineering and vulnerability assessments, identifying security risks and working closely with developers to build secure, resilient web applications from the ground … office approximately twice a month for innovation sessions and team meetings. About you: You have strong experience in web application security and offensive security testing You have hands‐on expertise in penetration testing and reverse engineering You have a deep understanding of modern web security vulnerabilities ...

Security Architect

Hiring Organisation
Hackajob Ltd
Location
Worthing, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
authorities. Supporting solution architects and engineering teams in defining clear security and non-functional requirements. Leading or contributing to threat modelling, vulnerability assessments and penetration testing activities. Additional requirements specific to the role: Occasional travel across our client sites and operational locations. Participation in governance and design authority …/2 or SABSA. Understanding of identity & access management, network security, encryption, API security and secrets management. Experience with vulnerability management, penetration testing and security assurance processes. Ability to define, document and govern security requirements throughout solution delivery. Desirable: Knowledge of NIS Regulations and ISA/ ...

Security Consultant: Penetration Testing & Cloud Security

Location
Norwich, England, United Kingdom
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 applications, and help strengthen client security postures. The role emphasizes producing high-quality reports, presenting … findings, and supporting tooling and research. Candidates should have consultancy pen testing experience, strong reporting, and familiarity #J-18808-Ljbffr ...

Security Consultant: Pen Testing & Growth (Hybrid UK)

Location
Hull and East Yorkshire, England, United Kingdom
Citation Cyber is a UK-leading cyber security consultancy delivering penetration testing, certifications, consultancy, training and managed services across public and private sectors. As a CHECK provider and CREST member, we’re growing our penetration testing team and seeking a skilled Security Consultant to deliver assessments ...

Client-Facing Penetration Testing Consultant

Location
Greater London, England, United Kingdom
Moore Kingston Smith LLP in London is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will deliver hands-on testing across web applications, APIs, and network infrastructure, and support Cyber Essentials Plus assessments. You will apply recognised ...

Security Consultant (Penetration Testing)

Location
Stockport, England, United Kingdom
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 clear, actionable reports for remediation. We value strong reporting, client communication ...

Security Consultant: Penetration Testing & Cloud Assessments

Location
Birmingham, England, United Kingdom
Citation Cyber is seeking a Security Consultant to join its penetration testing team. You’ll deliver security assessments across client environments, identify vulnerabilities and help strengthen cyber resilience. You will conduct infrastructure and web application tests, assess cloud security (Azure/AWS), produce clear reports and present remediation ...

Cyber Security Offensive Specialist

Location
West of England, England, United Kingdom
like an attacker, uncovering vulnerabilities, and working collaboratively with technical and business stakeholders to improve security outcomes. You'll have the opportunity to conduct penetration testing, lead adversary simulation exercises, influence remediation strategies, and contribute to the ongoing development of DAC Beachcroft's cyber defences. DAC Beachcroft … joining a team that is committed to innovation, continuous improvement, and staying ahead of an evolving threat landscape. Key Responsibilities Plan and execute authorised penetration tests across internal and external networks, systems, applications, and cloud environments. Conduct red team exercises that simulate real-world attack scenarios to evaluate people ...

Information Security Manager

Location
Bedford, England, United Kingdom
improve the ISMS and ISO 27001, lead/support security audits, risk and assurance activities, and work with technical teams across vulnerability management, patching, penetration testing, incident response and infrastructure security. You'll also have involvement across supplier assurance, Cyber Essentials, business continuity, disaster recovery, DPIAs, BIAs, security … ISMS, Internal/External Audits, Risk Management, Security Governance, Policies, Controls, Compliance and Assurance. Technical Security: Infrastructure Security, Network Security, Vulnerability Management, Patch Management, Penetration Testing, IAM, Endpoints and Cloud Security. Security & Resilience: Incident Response, Cyber Essentials, Supplier Assurance, Business Continuity and Disaster Recovery. Technical Background: Infrastructure, Networks ...

Security Consultant: Penetration Testing (Hybrid UK)

Location
Chesterfield, England, United Kingdom
Citation Cyber, a leading UK cyber security consultancy, is hiring a Security Consultant (Penetration Testing) in a hybrid UK role. You’ll deliver wide-ranging assessments, report findings, and guide remediation for client environments, with opportunities to grow within CHECK and CREST frameworks. The role emphasizes testing ...