offensive security engineer jobs in Doncaster

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

The Opportunity: We’re hiring a Sales Development Representative to support continued growth across critical infrastructure and industrial markets. This role sits at the front of the revenue engine and plays a key part in introducing our cyber-physical security platform to organisations operating complex IT, OT, and IoT environments. You’ll engage senior security, engineering, and operations...

You will be the hands-on force protecting our information systems across all our environments. We need a proactive problem-solver with a completer / finisher mindset who understands the reality of attacker techniques. Your success means our business stays safe and resilient.

You will carry out all works to the requirements of BS5839 & BS5266Installing, servicing, and maintaining fire alarm systems, emergency lighting systems, CCTV, access control, and other related security systemsAbility to work on multiple system type installations.

You will be involved in all aspects of planned and reactive maintenance within their operation. With progressive training and development this company is always looking to enhance its employees and their skill sets, whilst additionally being supported by a welcoming team of engineers.

You will be involved in all aspects of planned and reactive maintenance within their operation. With progressive training and development this company is always looking to enhance its employees and their skill sets, whilst additionally being supported by a welcoming team of engineers.

Multi-Skilled Maintenance EngineerLocation: RotherhamSalary: £47,000 | Double Days | 7% Pension | Christmas Shutdown | Funded Training (Potential HNCs)Shifts: Monday to Friday – 6am–2pm / 2pm–10pmWe are recruiting a Multi-Skilled Maintenance Engineer to join a well-established UK manufacturing site operating within a fast-paced production environment. This is a stable, long-term opportunity...

Company Description OmniforceAI is a global AI automation consultancy specialising in agentic AI systems and business transformation. We build AI agents and systems that enable real-time operational intelligence for businesses across finance, consulting, and service industries. Role Description We're looking for an AI Agentic Engineer to support our team in designing and building...

Role: Principal Electrical Engineer Location: Devonport(Hybrid role requiring onsite presence 2 days/month) Duration: 2 years Inside IR35: Umbrella About our Client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and...

You will tackle technical challenges that bridge software engineering with real-world manufacturing processes. This role blends hands-on technical expertise with leadership responsibilities, offering both team mentorship and active involvement in architecture, design, process improvement, and code review.

You will oversee 2–3 backend squads, shaping long-term microservices architecture using Java 21 and AWS. This role balances strategic technical leadership with hands-on mentorship to drive engineering excellence, security, and scalable system design. Why this role is remarkable:

You will act as the Siemens NX (NXX) subject-matter authority, defining modelling best practices, methodologies, and automation patterns, while partnering closely with engineering leadership to scale effective ways of working.

About the role I’m working with a well-funded early-stage BioAI startup applying machine learning to a hard, underexplored biological problem with real implications for climate resilience and food security. They’re building an ML-first platform where research doesn’t sit in isolation. Models are expected to ship, be used by scientists, and influence real experimental decisions. They’re looking...

QA Engineer – Fintech | Fully Remote (UK) | £60,000–£65,000 About the Role Our client within the Fintech space is scaling rapidly and transforming the way money moves. Quality is at the heart of everything they do, and you’ll play a key role in ensuring their products remain robust, secure and seamless as they continue to grow. As part of a collaborative full-stack product team—including...

Role & What’s in it for the applicant and why would they apply?: This is a rare opportunity to join a public-sector organisation with genuine technical depth, running and evolving its own data centre and enterprise network estate. Rather than being siloed or boxed into BAU, you’ll work across network design, deployment, support, and continuous improvement, with real influence over direction and...

About us Halon is an email security and infrastructure company, driving innovation in secure and dynamic email operations for service providers and enterprises worldwide. Trusted by the most innovative enterprises across the globe, Halon offers email solutions that are easy to modify, configure, and run. With a proven track record across six continents and an industry-leading NPS of 75, Halon...

You will play a key role in ensuring Health & Safety standards are met across a variety of sites, working in different environments every day. As an engineer, you will be trusted to act as the face of the business, engaging professionally with clients and consistently delivering excellent customer service.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

You will be involved in all aspects of planned and reactive maintenance within their operation. With progressive training and development this company is always is always looking to enhance its employees and their skill sets, whilst additionally being supported by a welcoming team of engineers.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. We are a world-class team of high caliber security researchers and application security engineers who thrive on new challenges.