26 to 50 of 236 Remote/Hybrid Penetration Testing Jobs

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. … application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly ...

Ready to identify vulnerabilities before attackers do? Join a cybersecurity services provider recognised for delivering penetration testing, advisory, and compliance solutions to enterprises. With a reputation for technical expertise and trusted delivery, the organisation continues to help businesses strengthen resilience and protect critical systems against evolving threats. … team is hiring a Penetration Tester to conduct security assessments across applications, networks, and infrastructure. The role will focus on simulating real-world attacks, identifying weaknesses, and providing actionable recommendations to improve overall security posture. Turn offensive skills into defensive strength. Apply now! Responsibilities Conduct hands-on penetration ...

stakeholders. Own our security monitoring capability, ensuring effective logging across key platforms and improving detection while preventing alert storms and false positives. Own the penetration testing and vulnerability management programme – not just detecting vulnerabilities, but risk‐assessing them, deciding what needs fixing and working with the tech teams … they build rather than simply dictating standards from a distance. Test security alerts, validate backup integrity, and coordinate business continuity and disaster recovery testing to build organisational resilience. You should apply if: You're just as comfortable running a penetration testing and vulnerability management programme ...

Synack’s Penetration Testing as a Service platform manages customers’ attack surfaces by discovering new assets, pentesting for critical vulnerabilities and gaining visibility into the root causes of security risks. We are committed to making the world more secure by harnessing a talented, vetted community of security researchers … deliver continuous penetration testing and vulnerability management, with actionable results. Synack's PTaaS platform has uncovered more than 71,000 exploitable vulnerabilities to date, protecting a growing list of Global 2000 customers and U.S. agencies in a FedRAMP Moderate Authorized environment. For more information, please visit www.synack.com. ...

join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security … services including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You’ll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we're asking that you attend the office a minimum of 1 day per week. About the RoleAs an experienced Penetration Tester at Starling, you'll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed and operated … securely. This is a collaborative role - you'll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you'll gain a strong understanding of how technology works at Starling ...

works with clients globally providing cyber security consultancy and testing services. Our hardware and OT team works in some of the most demanding environments there are. That means electricity distribution networks, critical national infrastructure, automated warehouses, ships and offshore installations. We are seeking a hardware and OT security consultant … industrial control system and operational technology architectures, components and protocols, such as Modbus, DNP3, IEC 104, IEC 61850 and OPC UA Network and infrastructure penetration testing skills, including segmentation testing and review of switch, router and firewall configuration Strong network protocol analysis using tools such as Wireshark ...

Citation Cyber is seeking a Security Consultant (Penetration Testing) to deliver comprehensive assessments for client environments in a hybrid UK role. You will conduct infrastructure and web application tests, produce clear reports, and present findings to clients. The ideal candidate will have consultancy penetration testing experience … strong reporting skills, knowledge of Windows/Linux/AD, cloud testing (Azure/AWS), and a commitment to continuous learning; CTM/SC clearance is desirable. #J-18808-Ljbffr ...

Citation Cyber in the UK is seeking a Security Consultant (Penetration Testing) to join our hybrid team. You will deliver security assessments across client environments, identify vulnerabilities and advise on remediation. The ideal candidate has consultancy experience in penetration testing, strong reporting, and knowledge of Windows … Linux/AD and cloud testing (Azure/AWS). The role supports CHECK/CREST development and offers growth. #J-18808-Ljbffr ...

culture of IT and cyber security awareness and responsibility across the organisation Conduct ongoing security threat, risk, capability and maturity assessments Manage vulnerability management, penetration testing schedules, remediation activities and threat intelligence Maintain and develop incident management processes and security playbooks Conduct and respond to security audits … Oversee areas including patch management, PCI DSS, NIS, GDPR and data protection Engage and manage specialist third-party security providers across areas such as penetration testing, forensic analysis and security auditing Provide clear security reporting to senior stakeholders Required Experience: Previous experience working in a Cyber Security Manager ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy, training and managed services. We are a NCSC CHECK provider and CREST member expanding our penetration testing team. We welcome CTMs or experienced testers to join our growing practice. You will work ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification and managed security services. As a Security Consultant you will join our penetration testing team, delivering assessments across client environments, identifying vulnerabilities and presenting remediation guidance to clients. The role emphasises collaboration, continuous ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy, training and managed cyber security services across public and private sectors. As a CHECK provider and CREST member, Citation Cyber is growing its penetration testing team and seeks a Security Consultant ...

storage, networks and virtualisation, helping to protect critical systems. It's a hands-on assurance role combining technically advanced security assessments, ethical hacking and penetration testing with risk management, remediation planning and senior stakeholder engagement. You will advise complex projects on security requirements, translate technical findings into clear … with project teams, senior management and stakeholders, providing security briefings, technical guidance and input into system requirements. Plan and lead technically advanced security assessments, testing and reporting within agreed governance and timescales. Perform ethical hacking and penetration testing against internal systems using tools such as Kali Linux ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification services, consultancy and managed security solutions to organisations across public and private sectors. As a CHECK provider and CREST member, Citation Cyber is growing its penetration testing team and seeks a Security Consultant ...

Citation Cyber, a leading UK cybersecurity consultancy, invites a Security Consultant (Penetration Testing) to join their growing team. The role focuses on delivering diverse security assessments, identifying vulnerabilities and advising remediation across client environments. The position offers hybrid working within the UK and exposure to both public … private sector projects. The ideal candidate has consultancy penetration testing experience, strong reporting skills, and proficiency in #J-18808-Ljbffr ...

client, a leading technology business specialising in cybersecurity and penetration testing, is seeking an AI Software Engineer to join its permanent, fully remote team in the UK. This senior-level role focuses on building intelligent AI agents that can plan, reason, operate security tooling and identify exploitable vulnerabilities … within controlled environments. Key Responsibilities: Design, build and deploy AI agents that automate penetration testing, including planning, tool use and reasoning over security findings Develop sandboxed cyber-lab and range infrastructure using containers and Kubernetes Deliver AI features from initial design through to production, including evaluations, guardrails ...

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join its hybrid-UK team. You will deliver a range of security assessments across client environments, producing clear, high-quality reports and presenting remediation advice to clients. The role supports vulnerability validation, internal tooling, and knowledge sharing … part of a growing consultancy. The ideal candidate will have consultancy penetration testing experience, strong reporting skills, and familiarity with #J-18808-Ljbffr ...

operational technology (OT), embedded systems, relevant international cyber security standards and regulations (including ISO/SAE 21434, UNECE R155, UNECE R156, and ISO 26262), penetration testing methodologies, and the broader transport ecosystem. In addition to technical delivery, the individual will play a key role in supporting business development … Road Vehicle Cybersecurity Engineering) UNECE R155 (Cyber Security Management System) UNECE R156 (Software Update Management System) ISO 26262 (Functional Safety) Conduct or support penetration testing, vulnerability assessments, architecture reviews, risk assessments, and Threat Analysis and Risk Assessments (TARA) for automotive clients. Provide expert interpretation of cyber security requirements ...

Manager, Security Threat, Vulnerability and Testing (m/f/d) Job Description Manager, Security Threat, Vulnerability and Testing (m/f/d) IN SHORT As Senior Manager, Security Threat, Vulnerability & Testing , you will lead SEFE's enterprise threat intelligence, vulnerability management, security testing … lifecycle, ensuring effective discovery, risk-based prioritisation, remediation tracking, and governance across applications, infrastructure, cloud, endpoints, and OT environments. Deliver and oversee the security testing programme, including penetration testing, scenario-based exercises, control assurance activities, and cross-domain security assessments that strengthen organisational resilience. Collaborate closely with ...

office] Position Type: Full-Time Role Overview The Product, Application and Offensive Security Engineer is responsible for embedding security directly into the design, development, testing, and operation of DTS products and platforms. This is a hands-on security engineering role. The role requires someone who can work directly with … product and engineering teams, review designs, assess APIs, run threat models, test systems, coordinate penetration testing, identify vulnerabilities, and help teams remediate issues. The role ensures DTS products, APIs, data collaboration capabilities, AI-enabled workflows, and client-facing services are designed, built, and tested securely. It also owns ...