Latest It Systems Cyber Security Lead Jobs

Sr. Software Engineer - Data Query Platform - London

This role involves building and maintaining ultra-high-scale data platforms that process petabytes of data for cybersecurity analytics and threat detection. The engineer will work across the full stack of data systems, from foundational storage and processing to scalable pipelines and query frameworks, enabling both internal teams and customers to extract insights from massive event streams. Key focus areas include improving system efficiency, reducing latency, and designing fault-tolerant Java-based microservices running on Spark and Kubernetes.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Backend Engineer, Cloud - Threat Detection / Incident Response , London)

This role involves designing and building scalable, AI-powered case management and investigation systems for CrowdStrike's Falcon SIEM platform. The engineer will develop Go-based microservices to help security teams detect, correlate, and respond to threats at petabyte scale, using advanced automation and agentic workflows. Collaboration with cross-functional teams and mentoring junior engineers are key aspects of the role.

CrowdStrike London, United Kingdom

Hybrid Permanent

3rd Line Support Engineer

The 3rd Line Support Engineer will manage complex client infrastructures, provide expert-level support across server environments, virtualisation, networking, cloud services, and security. They will lead end-to-end infrastructure projects, mentor junior engineers, and ensure thorough documentation and client communication.

Career Cross Limited London, United Kingdom £48,000 – £52,000 pa

On-site Permanent

Transcat Developer (Temenos T24)

This role involves working in a small team to enhance and maintain the T24/Transact system, including coding, code reviews, and system integrations. You will lead software development, resolve operational issues, and provide out-of-hours support for urgent system problems.

hireful Central London, W3 0BJ, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Security Engineer

This role involves engineering, operating, and optimizing Microsoft Sentinel SIEM, ensuring platform health, log ingestion, and integration with security systems. The Security Engineer will collaborate with SOC Analysts, Threat Intelligence, and other teams to maintain high-quality security telemetry and support M&A onboarding.

eFinancialCareers London, United Kingdom

On-site Permanent

CCTV Operator

The CCTV Operator will monitor and respond to incidents across PureGym's global estate, ensuring the safety and security of members, staff, and property. Responsibilities include emergency response, incident management, and theft prevention, with a focus on maintaining accurate reports and logs.

Pure Gym Limited Leeds, United Kingdom

Hybrid Permanent Shift-work

IT Infrastructure & Systems Engineer

This role involves managing end-to-end IT infrastructure, including network configuration, firewall management, virtual environments, and Windows systems. The engineer will also provide technical support to customers, both remotely and on-site, ensuring high system availability and security.

Red King Resourcing Gu112Hd, GU11 2HD, United Kingdom £50,000 – £60,000 pa

Permanent

IT Support Engineer

This role involves providing 3rd line technical support, acting as an escalation point for complex IT issues, and mentoring junior engineers. You will work closely with 1st and 2nd line teams to ensure the reliability, security, and performance of the IT infrastructure, including Microsoft 365, Active Directory, and hybrid cloud environments.

IT Talent Solutions Petersfield, United Kingdom

On-site Permanent

Infrastructure Security Architect - DV Cleared

Design and assure security architectures for highly secure defence and national security infrastructure. Conduct threat modelling, risk assessments, and support accreditation of complex IT and networked systems. Work within a multi-disciplinary engineering team to enforce secure-by-design principles and compliance with stringent security standards.

CBSbutler Holdings Limited trading as CBSbutler Basingstoke, Hampshire, United Kingdom £700 – £800 pd

On-site Contract Clearance Required

IT Support Analyst (ERP) - Harrogate

The IT Support Analyst (ERP) role involves providing 1st and 2nd line IT support across manufacturing, warehouse, and office environments. Key responsibilities include troubleshooting hardware and software issues, maintaining ERP and operational systems, and working closely with production and warehouse teams to minimize downtime.

Arden Resourcing Hg31Fr, United Kingdom £30,000 – £40,000 pa

On-site Permanent

IT Technician (20 Hour) - London

This part-time IT Technician role involves providing on-site technical support to students and staff, ensuring smooth operations of IT systems and equipment. You will troubleshoot issues, set up AV and IT equipment, and maintain records of repairs and maintenance. The role offers opportunities to impact education and professional growth.

GEDU London, United Kingdom £13,200 – £14,750 pa

On-site Permanent Part-time

IT Platforms Manager - M365/SharePoint/Enterprise

The IT Platforms Manager role involves managing the end-to-end ownership and improvement of the organization's application estate, including Microsoft 365 and SharePoint. Responsibilities include application lifecycle management, project management, stakeholder engagement, and supplier management, with a focus on driving digital transformation and service improvements.

Informed Recruitment Wa130La, WA13 0LA, United Kingdom £50,000 – £60,000 pa

Hybrid Permanent

IT Support Engineer

This role involves administering and maintaining Microsoft 365 services, including SharePoint and Teams, while providing hands-on user support and ensuring system reliability across multiple sites. The IT Support Engineer will also develop Power Automate workflows, manage identity and access, and support onboarding and offboarding processes.

Electus Recruitment Stonehouse, United Kingdom £32,000 – £35,000 pa

On-site Permanent

IT Manager

As the sole IT Manager for a growing business, you will own all aspects of the company's IT, from managing cloud systems and cybersecurity to supporting users and driving process improvements. The role involves a mix of technical and strategic responsibilities, requiring strong cloud and Microsoft ecosystem expertise.

Robert Half Guildford, United Kingdom £50,000 – £55,000 pa

Hybrid Permanent

IT Applications Analyst

The IT Applications Analyst will focus on maintaining and improving enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include system maintenance, user support, and process improvement, while collaborating with infrastructure and security teams.

Larbey Evans Ec2N4Bq, EC2N 4BQ, United Kingdom £55,000 pa

Hybrid Permanent