ESO's teams are growing, and our software is in demand globally by firefighters, paramedics, hospitals and governments. To meet this demand, we are building an industry-leading cyber security team in Belfast to protect our customers and data from a variety of fast moving and constantly evolving threats. We are looking for an Application Security Engineer to … applications are used to help our customers go about their daily job of protecting their communities and saving lives. You will refine our application design and protection using offensive security techniques like design assessment, research, threat intelligence, threat modelling, and controls optimization. You will conduct security assessments of our applications, identify issues, and help address them early in … the development cycle. You'll also support developers in improving coding practices to enhance security and assist with remediating findings from security assessments. Our Security Engineering team operates autonomously within a motivated and forward-thinking Security team. Join our diverse, growing team, working on mission-critical products with training and mentoring support. Joining our team will More ❯
Belfast, County Antrim, Northern Ireland, United Kingdom Hybrid / WFH Options
Get Staffed Online Recruitment
Cyber Security - Penetration Tester Location: Belfast Hybrid (2 days in office/client site as required) Type: Full-time | Flexible working hours | Hybrid Our client is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at … high-impact, multi-year contracts across Northern Ireland, they're strengthening their technical team to meet demand. They are looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What You'll Be Doing: Conducting penetration tests across infrastructure, applications, cloud environments, mobile … communication skills - verbal and written, with the ability to explain findings to both technical and non-technical audiences. UK or Irish nationality, or an equivalent status that permits full security clearance (sponsorship is not available). What They Offer: Hybrid working - home-based with 2 days per week in our client's Belfast office or on client site as More ❯
At Vertical Structure (an Instil Company), we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a CTL (Infrastructure) to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration tests and … vulnerability assessments across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security weaknesses and helping clients fortify their systems. We offer varied, challenging work in a supportive environment where you will find yourself constantly evolving and learning, whilst studying towards further … providing tailored actionable recommendations. Manage end-to-end testing, collaborating with clients during kick-off and discovery sessions, providing expert advice and follow up. Stay current with the latest security threats, vulnerabilities, and trends. Research offensive security techniques to assess and validate infrastructure and technologies, including cloud-based systems continuously incorporating new techniques into the team's methodology. More ❯
London, England, United Kingdom Hybrid / WFH Options
RSM UK
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 ❯
Manchester, England, United Kingdom Hybrid / WFH Options
RSM UK
Consultant – Cyber Security (Penetration Tester) RSM UK Manchester, 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 Manchester, England, United Kingdom 2 weeks ago Be among the first 25 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 premium … to support our clients in achieving their strategic goals and empower our people to make an impact and develop their own 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Nomios
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 ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
RSM
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 … vulnerability assessments 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 … about making improvements, this role is perfect for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting tools including Kali Linux, Burpsuite, Nessus and More ❯
Reading, England, United Kingdom Hybrid / WFH Options
THAMES WATER UTILITIES LIMITED
As a Senior 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 requires an understanding of TVM concepts, technologies … well as the ability to collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication skills and will be committed to ensuring the highest level of security, compliance, and user experience. What you'll be doing as a Senior Security Penetration Tester Help support and develop an internal penetration testing function. Conduct network, application … penetration testing, code and security reviews. Identify and exploit vulnerabilities through proof-of-concept testing. Support vulnerability management across the enterprise, ensuring that a framework for identification, categorisation and mitigation exists and is implemented and maintained. Responsible for supporting the creation of the operating model for vulnerability management, that it is shared, agreed and operates effectively across the business. More ❯
Cyber Security - Penetration Tester Location: Belfast Hybrid (2 days in office/client site as required) Type: Full-time Flexible working hours Hybrid Our client is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at 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 ❯