8 of 8 Security Tester Jobs in London

Consultant – Cyber Security (Penetration Tester) RSM UK Greater London, England, United Kingdom Join or sign in to find your next job Join to apply for the Consultant – Cyber Security (Penetration Tester) role at RSM UK Consultant – Cyber Security (Penetration Tester) RSM UK Greater London, England, United Kingdom 2 weeks ago Be among the first … applicants Join to apply for the Consultant – Cyber Security (Penetration Tester) role at RSM UK Get AI-powered advice on this job and more exclusive features. Direct message the job poster from RSM UK Talent Acquisition Senior Specialist - Consulting As one of the world's largest networks of audit, tax and consulting firms, RSM delivers big ideas and … support our clients in achieving their strategic goals and empower our people to make an impact and develop their own unique career path. We are seeking an enthusiastic Cyber Security Consultant to 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 More ❯

or Glasgow, if preferred. Why join Dionach by Nomios? 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. Dionach by … Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and fostering team development,be joining a company that prioritizes both your growth and the safety of our clients. We're in an exciting phase of expansion and are looking for self-motivated individuals ready to thrive in a fun … Lead on-site customer engagements. Lead on developing and providing training courses. Oversee and issue detailed reports outlining findings, risks, and recommendations for remediation. Stay updated with the latest security trends, tools, and techniques. Participate in research and development projects. Focus on your development by attaining industry recognised certifications. Be available for occasional on-call duties and on-site More ❯

Role Summary: Join our dynamic Offensive Security Team! As we expand, we are looking for a Pentester/Red Teamer who is enthusiastic about undertaking a range of security assessments, including penetration testing, red team exercises, vulnerability scanning, and physical access evaluations for our clients. Key Responsibilities: Client Engagement Management: Lead client projects, ensuring clear communication, timely delivery … and exceeding expectations. Act as the primary liaison, providing updates and guidance. Security Assessment Execution: Conduct detailed security assessments, including penetration testing and vulnerability analysis. Systematically identify and document vulnerabilities across network, application, and physical layers. Prepare concise reports for both technical and non-technical stakeholders. Red Team Challenges: Participate in red team simulations, encompassing social engineering attacks … writing custom scripts to automate tasks, analyze data, and develop unique tools for penetration testing. This skill is crucial for tailoring attacks, parsing data, and creating efficient workflows in security assessments. Linux/Windows Proficiency: Have a thorough understanding of Linux/Windows systems, which are commonly used in security environments. This includes navigating the command line, understanding More ❯

a wide range of technologies and environments. As a Consultant, you'll play a key role in identifying vulnerabilities, simulating real-world cyberattacks, and helping our clients strengthen their security posture. Your day-to-day will include internal and external network penetration testing, application security assessments (browser-based, API, mobile), cloud environment testing, social engineering engagements, and wireless … assessments. What You'll Do Perform security assessments across various platforms and technologies Simulate sophisticated cyberattacks to assess and improve client defenses Advise clients on technical security and compliance best practices Manage your own testing priorities and deliver high-quality work on time Collaborate with internal teams - PMs, QA, sales, and other consultants to deliver exceptional client service … work experience 3+ years of hands-on experience in network and/or application penetration testing Proficiency with scripting languages such as Python, PowerShell, Shell, or Ruby Familiarity with security frameworks (e.g., PCI, HIPAA, FedRAMP, HITRUST, or FISMA) 1-3 years of experience in IT security audit and/or compliance roles Strong technical foundation in networks, servers More ❯

Penetration Tester/Cyber Security Analyst Country: United Kingdom Location: Remote Sector: Other Salary: GBP Market related Job Type: Contract Technologies: Penetration Testing, Hacking, Ethical Hacking, Cyber Security We are looking for a Penetration Tester with solid experience in this role. Our client has previously outsourced these tasks and is now looking to bring them in … house. The Cyber Security Analyst will be responsible for designing and setting up the Penetration Testing Environment for both on-premise and cloud solutions. Security is essential given that our client manages multiple large volume/user sites. Experience with ethical hacking and preparing sites for an ethical hack is desirable but not essential. Please get in touch More ❯

My client is one of Europe's hottest Cyber Security start-ups who have an ever-growing, global client base. They are looking to bring on board highly motivated Penetration Testers to the team. Key Skills: Ideally experience in Cyber Security, or at a minimum a decent understanding/interest. Some penetration testing/red team background. Strong More ❯

Job Details: Cyber Security Assurance Tester and IR Specialist Vacancy Name: Cyber Security Assurance Tester and IR Specialist Employment Type: Full time Location: St. Katharine Docks Six Degrees is a leading secure, integrated cloud services provider, where everyone is welcome. We believe success lies in harnessing a truly diverse and inclusive culture. Our business protects UK … regardless of their maturity. Our vision is to be the UK’s number one provider of secure, integrated cloud services to the small to mid-size market. Our Cyber Security Assurance team are one of the most experienced and highly qualified teams of penetration testers in the UK. The team is responsible for testing thousands of applications, systems, environments … researches vulnerabilities, compiles threat intelligence, and assists clients in shoring up their data security. The Internal Penetration Testing & Incident Response Specialist will be a key member of the Cyber Security Assurance team, responsible for proactively identifying, assessing, and mitigating security risks internally within the organisation. They will work under general supervision, handling both internal penetration testing activities and More ❯

Security Control Tester/Security Control Assessor Our client is a global information services company and is seeking 3 seasoned security experts to lead the assessment and evaluation of security controls across systems and processes. As a Lead Security Control Assessor, you will oversee and conduct security control testing, verifying the design, implementation … and operational effectiveness of controls in both on-premise and cloud environments. Your expertise will be instrumental in driving quality security assessments through thorough testing, automation, and collaboration with cross-functional teams and stakeholders. These roles can be based remotely within the UK and will be for an initial 8 month contract. The contract will require to be via … umbrella company and have a banding of £398-£486 depending on experience. Required Skills Experience with conducting security control testing in cloud environments such as AWS and Azure Experience performing IT Audit or Information Security control assessments, with specific experience in testing cloud security controls Professional certification such as CISA, CISM, CISSP, ISO 27001 Lead Auditor, or More ❯