19 of 19 Security Tester Jobs

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 ❯

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 ❯

Dark Wolf Solutions is actively seeking an experienced Product and Hardware Security Penetration Tester to join our innovative team. This individual will play a critical role in assessing and enhancing the security of various products, including hardware, software, and embedded systems. This role demands a deep understanding of penetration testing methodologies and advanced exploit development, focusing on … identifying and mitigating vulnerabilities across a wide range of technologies. As a Senior Product and Hardware Security Penetration Tester, you will have the chance to work on cutting-edge technologies and contribute to the enhancement of security across a wide range of products. If you possess a strong background in penetration testing and a passion for cybersecurity … the system. Developing and executing exploits and proof-of-concept (PoC) attacks to demonstrate the impact of identified vulnerabilities. Analyzing and reverse engineering firmware and embedded systems to identify security weaknesses. Testing and assessing the security of secure boot processes and Trusted Execution Environments (TEE). Conducting web application security assessments, focusing on OWASP Top Ten vulnerabilities More ❯

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 ❯

days in the Belfast office/client site as required) Type: Full-time Flexible working hours Hybrid Essential: UK or Irish nationality, or an equivalent status that permits full security clearance (sponsorship is not available) . Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for … highest levels, along with Cyber Advisor Cyber Essentials, we support clients across both public and private sectors. We re 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. Conduct infrastructure, app, cloud & OT penetration testing 2+ years paid employment in penetration testing … Strong knowledge of networks, OS (Linux/Windows), web tech Proficient with Burp, Metasploit, Nessus, Kali Linux Eligible for full UK security clearance (no sponsorship offered) Hybrid & flexible working 33 days leave (23 flexible + 10 public) Comprehensive pension & sick pay Private healthcare Professional development & cert support More ❯

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 ❯

Lead Cyber Security Consultant - Penetration Tester (UK) - Dionach by Nomios 1 day ago Be among the first 25 applicants Direct message the job poster from Dionach This role offers flexibility to work remotely, with occasional visits to client sites. Alternatively, you can choose a hybrid arrangement and work from our offices in Oxford 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, flexible environment. At Dionach by 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 ❯

of the amazing things we offer. Did we also mention that we've been awarded Gold Investors in People for a fourth consecutive time? About the role A technical security expert with the ability to conduct penetration tests and the appetite to deliver a wide spectrum of interesting security-related work, seeking a new challenge to join our … growing Cyber team to help shape the company's security and compliance services nationwide for a leading IT and business consultancy, supporting national and international clients. Day to day responsibilities Leading and delivering web application penetration testing, with an expectation to participate in infrastructure penetration testing, vulnerability assessments, and security audits across various business functions as needed Lead … out of their engagement with Waterstons Write clear, concise, and professional reports that are understandable to both technical and non-technical stakeholders. Maintain up-to-date knowledge of emerging security threats and trends. Being available to travel to client sites when required Improving areas of work, such as methodologies, tools and processes used by the team Helping upskill junior More ❯

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 ❯

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 ❯

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 ❯

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 ❯

Job Scope: Security Test Planning & Preparation Test Planning Coordinate with development teams for testing schedules and plan testing timelines aligned with release schedules Create security test plans for new applications, major releases and enhancements Define testing scope and approach using Agency Cybersecurity Control templates Define entry and exit criteria for security testing phases Test Environment Preparation Configure … security testing tools in the designated environment for (1) SCR and (2) App-VAPT Setup test data and test cases Security Test Execution Secure Code Review (SCR) Perform source code security analysis for new applications, major release changes and enhancements Use SAST tools to analyze code security and use SCA tools to review any open-source … and third-party components included in the applications. Document code security findings and verify remediations through retesting App Vulnerability Assessment and Penetration Testing (App-VAPT) · Conduct App-VAPT forNew Applications before production deployment Major releases with significant changes System enhancements affecting security controls Use DAST tools for dynamic security testing Documentation & Reporting Document test results and generate 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 ❯