Senior Network Security Engineer jobs in York

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...

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...

Duty Engineer - Infrastructure Operations Engineer (24/7 Secure Systems) Location: On-site, Northallerton, North Yorkshire Department: Engineering Section: Engineering Reports To: Technical Director Location: Secure UK Defence Environment Contract Type: Permanent Client: Our client is a specialist provider of secure ICT services supporting critical UK Defence systems. Operating within...

Role Title: Storage SAN SME Duration : 8 months Rate: £366 per day on umbrella Location: Sheffield Hybrid -3 Days We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. Storage - Strong knowledge in SAN hardware installation and configuration; Storage - Strong SAN storage and virtualisation knowledge, provisioning and migration...

About Turing: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in coding, reasoning, STEM,...

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Lead the design of high-integrity PLC control systems at the heart of the UK’s most regulated and safety-critical environments. Senior/Lead PLC Control systems engineer 12 month contract – rates DOE Office-based with a Hybrid working scheme. Inside IR35 2 openings available in either Warrington, Cumbria and Stockton Role Description We are seeking an experienced PLC Control Systems...

Senior Infrastructure Engineer, £45,000 - £55,000 Our client is a respected UK business undergoing a major IT transformation (people and tech-wise), investing significantly in modern infrastructure to drive efficiency, resilience, and long-term digital capability. With a reputation built over decades, they are blending legacy stability with forward-focused technology, creating an exciting time...

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...

Senior Fire Engineer | Lead a specialist team and shape critical outcomes This is a rare senior appointment for a Chartered Fire Engineer ready to step into a leadership role with real responsibility and influence. A replacement position within an established and growing specialist division, where your expertise will set standards, guide people and shape how complex fire engineering work is...

John Crane, a business of Smiths Group, is a global leader in mission-critical flow control solutions for energy and process industries that enable efficient and sustainable operations. Our products include mechanical seals and systems, couplings, filtration systems, and predictive digital monitoring technologies. We have a global network of more than 200 sites in over 50 countries and employ...

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

A fantastic opportunity has arisen for a Senior Electronics Systems Engineer – Design Authority to join a specialist engineering team responsible for a safety-critical electronics subsystem supporting complex weapon system programmes. This role performs the duties of the Design Authority for a critical launch-related electronics system and reports into senior engineering leadership, holding...

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education sector. You'll play a...

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 responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.