Cyber Security Jobs

• London
• Hybrid · 3 days in office
• Senior
• Permanent

Builds and operates production ML systems for document classification and extraction, using LLMs/VLMs and traditional ML to power identity verification at scale. Leads technical design from RFC to deployment, optimises GPU inference, and develops training and evaluation pipelines. Works in a squad-based team alongside Applied Science, Product and Data Science.

AWS · Kubernetes · TensorFlow +4

• Newbury
• Senior

Monitors and manages network equipment and infrastructure for customer services across EMEA and North America, with a strong focus on firewall and network security administration. Day-to-day work covers Cisco ASA, Firepower and Palo Alto firewalls, VMware vSphere and NetApp storage, plus automation and out-of-hours support on a rota.

Cisco ASA · Cisco Firepower Threat Defense · Palo Alto PA-Series +7

• London
• £30,000 – £40,000 pa
• Entry level

A training programme combining accredited CompTIA online courses, tutor support and practice labs to prepare candidates with no prior experience for entry-level IT roles. Participants sit A+ and Network+ exams, then move into an IT Technician placement before progressing into cybersecurity with Security+ and optional ethical hacking courses.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +2

• Bath
• £30,000 – £40,000 pa
• Entry level

A training programme combining accredited CompTIA online courses, tutor support and practice labs, leading to A+ and Network+ exams and a guaranteed IT Technician placement. After roughly two years in that role, further Security+ training (with optional Ethical Hacker and Network Defender courses) prepares candidates to move into cybersecurity positions.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +2

• Hounslow
• On-site
• £70,000 – £75,000 pa
• Senior

Lead security, compliance and resilience for a multinational business, running risk assessments, business continuity and audit programmes. Oversee ISO 27001, PCI DSS and NIS2 certification activities while advising on AWS and Azure cloud security governance and controls. Highly visible role working with senior technology and business stakeholders.

AWS · Azure · NIS2

• Warwick
• Remote
• £70,000 – £85,000 pa
• Senior

Hands-on role securing Azure, identity, endpoint and network environments in a complex enterprise estate. You will design and maintain security controls, manage cloud security posture, strengthen identity with Conditional Access and PAM, administer Defender and Palo Alto tooling, and automate workflows via scripting and APIs. The position is senior and autonomous, mentoring juniors and working with architecture, infrastructure, GRC and suppliers.

Microsoft Azure · Microsoft Defender · Defender for Cloud +7

• London
• Remote
• £24,000 – £45,000 pa
• Entry level

A traineeship combining online CompTIA, Microsoft and Cisco training with Livelabs practical work and official exams, studied from home at your own pace. Candidates are placed into an IT Technician role for two years before progressing into a cyber security technician position with partner companies.

CompTIA A+ · Microsoft · Cisco

• Chelmsford
• Remote
• £24,000 – £45,000 pa
• Entry level

A traineeship combining self-paced online training in CompTIA, Microsoft and Cisco courses with Livelabs practical work, leading to CompTIA A+ exams. Candidates are then placed as an IT Technician for two years before progressing into a cyber security technician role, with a job guarantee on completion.

CompTIA A+ · CompTIA · Microsoft +1

• Reading
• On-site
• Entry level
• Internship

Six-month graduate internship in the Falcon Complete team, working from the Reading office on security alert triage, incident investigation and response, and basic malware analysis. Interns learn the Falcon platform and internal tooling, handle customer inquiries, and deliver a project to improve security controls.

CrowdStrike Falcon

• United Kingdom
• Remote
• Senior · manages people

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity, architecting research strategy and shaping GenAI model architectures, training and deployment. Build production AI systems at massive scale while mentoring scientists and aligning technical strategy with senior leadership.

CrowdStrike

• Manchester
• Hybrid · 3 days in office
• £54,000 – £55,000 pa
• Senior

Day-to-day operation of a SIEM platform, including monitoring, administration and optimisation, plus developing detection rules and investigating alerts through to resolution. Works with Infrastructure, Networking, DevOps and external partners on incident response, EDR management and control testing, with Google SecOps (Chronicle) experience advantageous.

Google SecOps · Chronicle · SIEM +4

• London
• Hybrid
• Senior
• Contract

Hands-on Tanium SME role embedded within a long-term strategic client's cyber security team, starting with Tanium Discovery to map the environment before broadening into other modules. Involves assessing the current setup, advising on best practice, optimising capabilities and transferring knowledge to the internal team, working autonomously with occasional on-site presence in London.

Tanium · Tanium Discovery · Tanium Certified Administrator +3

• Colchester
• Remote
• £51,000 – £55,000 pa
• Mid-level
• Permanent

Hands-on security role managing and enhancing controls across the IT infrastructure, covering incident response, threat detection, vulnerability management and compliance. You will work with Microsoft security tooling including Entra ID, Defender, Purview and Intune, support audits and frameworks such as NIST and ISO 27001, and help shape security strategy in a small collaborative IT team.

Microsoft 365 · Microsoft Entra ID · Microsoft Defender +4

• London
• On-site
• £450 – £455 pd
• Mid-level
• Contract

Hands-on SOC and incident response role monitoring, triaging and investigating cyber security threats across macOS endpoints, Linux cloud workloads, microservices and containerised platforms. You will contain and remediate incidents, document findings and evidence, and contribute to detection rules and response playbooks while working closely with security and engineering teams.

macOS · Linux · Containers +4

• Belfast
• Hybrid · 3 days in office
• Senior
• Contract

Designs end-to-end infrastructure and cloud solutions for enterprise customers, leading technical workshops and translating business requirements into scalable architectures. Produces high and low-level design documentation and provides technical leadership across the project lifecycle, working with Azure, Microsoft 365, VMware/vSAN and hybrid cloud platforms. Also supports bids, solution presentations and customer engagement.

Microsoft Azure · Microsoft 365 · VMware +7