DevSecOps Engineer Information Technology & Services Sheffield, England, United Kingdom Be an early applicant 12 hours ago

Added 04/08/2026

We are seeking a skilled DevSecOps Engineer to join our dynamic team in Sheffield, England. The ideal candidate will be responsible for integrating security practices into the DevOps process, ensuring that the software development lifecycle is secure from design through deployment. You will collaborate closely with development and operations teams to implement automated security testing, manage vulnerabilities, and ensure compliance with industry standards and best practices. The role also involves creating and maintaining CI/CD pipelines, deploying infrastructure as code, and monitoring system performance for security risks. Key responsibilities include conducting security assessments of applications and systems, providing recommendations for improvement,...

Senior Application Security Engineer (Remote - United Kingdom)

Added 14/09/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of modern software products and services across their full development lifecycle. In this role, you will work closely with software engineers, architects, product teams and infrastructure specialists to embed secure-by-design principles into applications, platforms and delivery processes. You will help shape security standards, provide pragmatic guidance and support teams in identifying and addressing risks without unnecessarily slowing innovation. Your responsibilities will include conducting threat modelling, reviewing application and infrastructure designs, and performing or coordinating security assessments, code reviews and penetration testing. You will analyse findings from automated...

Senior Application Security Engineer (Remote - United Kingdom)

Added 11/09/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of software products and services delivered across a fast-paced, technology-focused environment. Working remotely within the United Kingdom, you will partner with engineering, platform, product and operations teams to embed security throughout the software development lifecycle. You will provide practical guidance, encourage secure-by-design practices and help teams deliver resilient applications without compromising speed or usability. Your responsibilities will include defining and improving application security standards, threat modelling new and existing services, and conducting secure design reviews, code reviews and targeted security assessments. You will support the effective use...

Cybersecurity Expert (United Kingdom)

Added 01/09/2026

We are seeking an experienced Cybersecurity Expert to help protect critical systems, applications, networks and data across a complex technology environment in the United Kingdom. This role will suit a security professional who combines strong technical expertise with sound judgement, clear communication and a proactive approach to identifying and reducing risk. You will work closely with technology, engineering, compliance and business teams to strengthen security practices and support the safe delivery of new services. Your responsibilities will include monitoring and investigating security alerts, leading incident response activities, conducting vulnerability assessments and recommending effective remediation plans. You will contribute to security...

Data Scientist - Cybersecurity Analyst (Position located in Cheltenham, United Kingdom)

Added 26/08/2026

We are seeking a Data Scientist – Cybersecurity Analyst to support the identification, investigation and mitigation of cyber threats in a complex and fast-moving environment. Based in Cheltenham, this role will combine data science, security analysis and practical problem-solving to help protect critical systems, services and information. You will work with large and varied datasets, develop analytical methods and provide clear, evidence-based insight to support operational and strategic security decisions. Key responsibilities will include collecting, cleaning and analysing security-related data from multiple sources; identifying patterns, anomalies and indicators of compromise; and developing statistical, machine-learning or rules-based approaches to detect emerging...

Graduate Data Scientist - Cyber Analytics (Position located in Cheltenham, United Kingdom)

Added 13/08/2026

We are seeking a motivated and analytical Graduate Data Scientist to join our Cyber Analytics team in Cheltenham, United Kingdom. In this role, you will be responsible for analyzing large datasets to uncover patterns, trends, and anomalies that can enhance our cybersecurity measures. You will work closely with experienced data scientists and cybersecurity professionals to develop and implement data-driven solutions that protect sensitive information and mitigate cyber threats. Your primary duties will include collecting, processing, and analyzing complex datasets using statistical methods and machine learning techniques. You will also be expected to create visualizations and reports that communicate findings to...

Senior Application Security Engineer (Remote - United Kingdom)

Added 31/07/2026

We are seeking a Senior Application Security Engineer to join our dynamic team in a fully remote role based in the United Kingdom. In this position, you will be responsible for identifying, analyzing, and mitigating security vulnerabilities in our applications. Your expertise will guide the development and implementation of security best practices throughout the software development lifecycle (SDLC). You will collaborate closely with development teams to perform threat modeling, code reviews, and security assessments, ensuring that our applications maintain the highest standards of security. Key responsibilities include leading security initiatives, conducting penetration tests, and providing actionable recommendations to enhance application...

Senior Application Security Engineer (Remote - United Kingdom)

Added 30/07/2026

We are seeking a highly skilled Senior Application Security Engineer to join our dynamic team in a remote capacity within the United Kingdom. In this role, you will be responsible for leading the application security efforts across various projects, ensuring that security is integrated into the software development lifecycle. You will perform threat modeling, security assessments, and code reviews, identifying vulnerabilities and recommending remediation strategies to enhance the security posture of our applications. Your expertise will be crucial in developing and implementing security best practices, as well as designing security training programs for development teams. You will collaborate closely with...

SWE - User Land Security Researcher, SEAR (Early Career)

Added 01/09/2026

We are seeking an early-career Software Engineer and User-Land Security Researcher to help identify, analyse, and address security weaknesses in user-space software and systems. You will work with experienced security engineers and researchers to investigate vulnerabilities, develop proof-of-concept demonstrations, and improve the resilience of products and services. This role is suited to someone who enjoys understanding how software works at a low level and applying that knowledge to practical security problems. Your responsibilities will include performing vulnerability research across applications, libraries, and operating-system components; analysing source code, binaries, crash data, and system behaviour; and developing tools, scripts, and automated techniques...

Cyber Security Consultant (Penetration Tester)

Added 18/09/2026

We are seeking a Cyber Security Consultant (Penetration Tester) to assess the security of applications, infrastructure, networks and cloud environments. You will plan and deliver penetration tests, vulnerability assessments and security reviews, identifying weaknesses that could be exploited by malicious actors. The role involves defining test scopes, selecting appropriate methodologies, conducting technical assessments, and producing clear, evidence-based reports for both technical and non-technical audiences. You will be responsible for performing infrastructure, web application, mobile application, API, wireless and cloud penetration testing, as well as red team or assumed-breach activities where required. Duties will include reconnaissance, vulnerability analysis, exploitation, privilege escalation,...

Senior Penetration Tester

Added 15/09/2026

We are seeking a Senior Penetration Tester to lead and deliver high-quality security assessments across applications, infrastructure, cloud environments, networks and emerging technologies. You will plan and execute penetration tests, vulnerability assessments and red-team engagements, using a risk-based approach to identify weaknesses that could affect confidentiality, integrity or availability. The role will involve scoping engagements, defining test methodologies, reviewing technical documentation, conducting reconnaissance and exploitation activities, and validating remediation efforts. You will also be expected to maintain accurate evidence, assess business impact and communicate findings clearly to both technical and non-technical stakeholders. As a senior member of the security testing...

Security Testing Consultant (Penetration Tester) Hybrid

Added 15/09/2026

We are seeking a Security Testing Consultant (Penetration Tester) to join a collaborative cybersecurity team on a hybrid basis. In this role, you will plan and deliver penetration tests across web applications, APIs, mobile platforms, infrastructure, cloud environments and networks. You will assess security controls, identify vulnerabilities and determine the potential business impact of weaknesses using recognised testing methodologies and industry-standard tools. The position involves working with technical and non-technical stakeholders to understand environments, agree testing objectives and provide clear, practical advice to improve security resilience. Your responsibilities will include conducting manual and automated security assessments, validating findings, safely exploiting...

Senior Penetration Tester

Added 15/09/2026

We are seeking an experienced Senior Penetration Tester to assess the security of complex applications, infrastructure, networks, cloud environments, and connected technologies. You will plan and deliver penetration tests across web and mobile applications, APIs, internal and external networks, wireless environments, and adversary simulation engagements. The role involves identifying vulnerabilities, validating their potential impact, demonstrating realistic attack paths, and providing clear, actionable recommendations that support effective remediation. You will lead engagements from scoping and rules of engagement through reconnaissance, testing, exploitation, evidence collection, and reporting. Responsibilities include developing test plans, selecting appropriate tools and methodologies, conducting manual assessments beyond automated...

Principal Penetration Tester (12 Month FTC)

Added 15/09/2026

We are seeking an experienced Principal Penetration Tester for a 12-month fixed-term contract. This is a senior technical role responsible for planning and delivering high-quality penetration testing and security assessment engagements across applications, infrastructure, cloud environments, networks, APIs, mobile platforms and emerging technologies. You will work with technical and business stakeholders to understand risk, define appropriate testing approaches and provide practical, evidence-based recommendations that strengthen security resilience. Your responsibilities will include leading complex penetration tests from scoping and threat modelling through to exploitation, reporting and remediation support. You will identify and validate vulnerabilities, assess their potential business impact, and produce...

Security Testing Consultant (Penetration Tester) Hybrid

Added 15/09/2026

We are seeking a Security Testing Consultant (Penetration Tester) to join a collaborative cyber security team in a hybrid working environment. In this role, you will plan and deliver authorised penetration tests across web applications, mobile applications, APIs, networks, cloud environments and infrastructure. You will work with technical and business stakeholders to understand testing objectives, identify attack paths, assess risk and provide practical recommendations that improve overall security resilience. Your responsibilities will include scoping engagements, developing test plans, conducting manual and automated security assessments, validating vulnerabilities and maintaining accurate evidence throughout each assignment. You will prepare clear, professional reports that...