system security administrator jobs in York

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...

You will collaborate with development and application support teams to troubleshoot message flows and resolve integration issues, whilst overseeing capacity planning, scaling and tuning of Solace infrastructure to meet both current and future operational demands, automating wherever possible.

Opportunity: Copello is partnering with a Defence client to recruit a Principal Control Systems Engineer to join their team. In this role, you will use your expertise in PLC and SCADA systems to design, develop, and support advanced control and HCI solutions for naval platform management systems. This is your chance to work on high integrity systems in a secure, highly regulated defence...

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...

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...

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.

Systems Engineering Team Lead | Aerospace & Defence | Salisbury (Hybrid) | £60,000 – £80,000 + 15% Bonus Want to work at the forefront of Uncrewed Aerial Systems (UAS) and help shape the future of aviation? This high-growth aerospace & defence business (40%+ year-on-year growth since 2019) is expanding its Systems Engineering function and is hiring a Systems Engineering Team Lead. You’ll...

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.

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...

This organisation is driven by a commitment to delivering world-class live sporting events while leaving a positive and lasting impact wherever events take place. Innovation has been central to its success for decades, with ongoing development of advanced technologies that influence industries far beyond the sporting arena. Every element seen on screen or experienced at a live event is made...

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You’ll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

You will also play an important part in supporting Health and Safety processes and systems to ensure compliance with all relevant regulatory requirements across both Residential Care and Extra Care services.

You will provide effective leadership and management support to Administrative Officers and General Assistants, including conducting regular meetings and supporting annual reviews.

At DCS Group, we’re proud to represent and distribute some of the world’s most recognised FMCG brands — including Procter & Gamble, Unilever, Kenvue, and SC Johnson combining the scale of a market leader with the agility and values of a family-owned business. We’re now looking for a Sales Administrator to join our team in Banbury. This is an exciting opportunity for a highly organised and...

Key Responsibilities - Administer, monitor, and optimize Microsoft SQL Server environments (2016/2019/2022) - Design, deploy, and manage SQL workloads on Microsoft Azure - Manage and support virtualized environments using Hyper-V - Implement and maintain backup and recovery solutions using Veeam - Perform capacity planning, performance tuning, and query optimization - Manage HA/DR solutions...

CANDIDATES MUST BE WITHIN 45 MINUTES COMMUTE OF BELMONT, SURREY About the Group: The group operates at the heart of elite and professional sport across the UK. Through two closely aligned businesses, we coordinate care for professional athletes across football, rugby, cricket, and other sports, and we also provide specialist insurance for the doctors and surgeons who treat them. Our clients...

We are looking for a proactive and detail-oriented Individual to provide remote administrative and technical support to project managers within the UK Field Engineering team. This role focuses on supporting the deployment of engineering solutions for a blue chip company located in the UK. Key Responsibilities: Remote Technical Project Support - Gather updates from project managers and maintain...

Fire and Security Engineer OpportunityNational Role | Competitive Salary up to £40,000 | Company Van with Personal UseAbout the RoleOur client is seeking an experienced Fire & Security Service Engineer to join their growing team based in York. This is an exciting opportunity for a skilled professional to work on a diverse range of fire and security systems across national sites.Key...

To Install, alter, maintain and repair fire and security systems to a high compliant standard and to specification.• Conducting installations of Fire and Security systems to the required British Standard, on time and on budget.• Conducting small works alterations to the required British Standard, on time and on budget. Alterations will consist of additions to systems, repairs to systems and...

Area Retail Security Officer Posted on November 3rd, 2025 Market Weighton £ per hour Type of Job: Temporary TSS are looking for a casual Area Retail Security Officer to cover sites around Hull and York where no two days will be the same and you will have the opportunity to carve out a career with the biggest name in security. MUST drive and have your own vehicle and an SIA...

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.