Cyber Security Jobs

• 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

• Spain
• Remote
• Senior

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity problems, architecting research strategy and production systems at massive scale. Provide technical leadership and mentoring while driving GenAI model architecture, training and deployment decisions, with a research-to-production and publication focus.

LLM · Deep Learning Frameworks · GPU +1

• Devon
• £600 pd
• Mid-level
• Contract

Hands-on operational support for identity and access management in a busy Higher Education IT team, covering Active Directory and Microsoft Entra ID. Day-to-day work includes user lifecycle management, group memberships and permissions, troubleshooting identity incidents, and cloud authentication administration, freeing senior specialists for project delivery.

Active Directory · Microsoft Entra ID · Azure AD +2

• Birmingham
• £50,000 – £60,000 pa
• Lead

Owns the technical administration and optimisation of the Mimecast email security platform across a group and its subsidiaries, acting as the group subject-matter expert. Configures enterprise email-security policies, manages mail flow, DNS and SPF/DKIM/DMARC authentication, and investigates phishing, spoofing and BEC incidents while liaising with an external SOC/MDR provider.

Mimecast · SOC · MDR

• Cardiff
• Hybrid · 3 days in office
• £35,000 – £45,000 pa
• Mid-level
• Permanent

Full 360 recruitment desk covering business development through to placement, building a specialist market across AI, Data, Software, Cloud and Cyber Security. You inherit existing client relationships and delivery support while winning new business, advising on market trends and salary benchmarking, and negotiating fees and rates.

• United Kingdom
• On-site
• £750 – £850 pd
• Senior
• Contract

Hands-on engineering role building and securing production-grade Kubernetes clusters on bare-metal and on-premises infrastructure, spanning Linux, networking, storage and compute layers. Involves implementing security hardening, logging and observability pipelines (Fluent Bit, OpenTelemetry, Grafana), SIEM integration and EDR/vulnerability tooling, plus an on-call rota for critical infrastructure.

Kubernetes · Fluent Bit · OpenTelemetry +6

• Bampton
• On-site
• £70,000 – £83,000 pa
• Senior
• Permanent

Lead the strategy, architecture and continuous improvement of a global data-security and Data Loss Prevention programme, defining it from the ground up. The role covers design, build, implementation and training, tuning DLP controls across endpoint, email, web, cloud and SaaS channels in a Microsoft 365, Entra ID and Azure environment. Based on-site five days a week in Oxfordshire.

Microsoft 365 · Entra ID · Windows Server +6

• London
• Remote
• Senior

Deliver expert-level technical support to top-tier cybersecurity customers, owning complex cases from initiation to resolution through multi-vendor troubleshooting, fault isolation and root cause analysis. Act as a designated customer advocate running weekly reviews, QBRs and upgrade planning, while working with Engineering and QA on bug reports and test plans.

Palo Alto Networks · Prisma Access · Cisco Firepower +7

• Reading
• Hybrid
• £72,000 pa

Supports the design, implementation and maintenance of threat and vulnerability management controls across a large water utility's IT estate. Conducts network, application and code penetration testing, exploits vulnerabilities via proof-of-concept testing, and helps build an internal pen testing function. Works hybrid in Reading, liaising with Digital teams on remediation, patching and threat hunting.

Tenable · Burp Suite · Kali Linux +2

• Cambridge
• Hybrid · 2 days in office

Explore and prototype machine learning solutions across domains, using language models, neural networks, statistical methods and classical ML, then implement models into the wider software stack. Work independently and with software engineers and security analysts, optimising models for latency and memory on edge devices. Hybrid role with two compulsory days a week in the Cambridge office.

PyTorch · TensorFlow · scikit-learn +2

• London
• Remote
• Lead

Lead and deliver reactive incident response engagements for clients, managing scoping, forensic investigations and containment of security incidents. Perform host-based analysis across Windows, Linux and macOS, examine firewall, web and database logs, and use tools such as EnCase, FTK, X-Ways, SIFT and Splunk to determine breach scope. Also mentors junior team members and provides remediation guidance to customers.

EnCase · FTK · X-Ways +5

• London
• Hybrid · 2–3 days in office
• £90,000 – £120,000 pa
• Senior

Full-stack product engineering role in a cross-functional squad, owning mid-to-large initiatives end to end and shaping product strategy with designers and PMs. Stack centres on Go, AWS and Vue.js, with a strong emphasis on system design, testing, automation and mentoring other engineers.

Go · AWS · Vue.js +7

• Greater Manchester
• Hybrid
• £40,000 – £46,500 pa
• Mid-level
• Permanent

Hands-on security role covering SIEM, EDR, email security and vulnerability platforms, plus IDS/IPS monitoring and incident investigation. You'll embed security into project lifecycles and SDLC, work with an MSP on alert management, and support Cyber Essentials and ISO 27001 governance and third-party risk assurance.

SIEM · EDR · XDR +2

• London
• Mid-level

You will develop and maintain IT security policies, standards and controls, and build compliance dashboards and reporting in Power BI. The role owns the IT Security Risk Register, facilitates risk assessments and supports ISO 27001, Cyber Essentials and internal audit activity across a European IT environment.

Power BI

• London
• Hybrid
• Senior
• Permanent

Client-facing consulting role helping major organisations assess cyber risk, maturity and capability, then turn strategy into practical transformation programmes. Work spans cyber strategy and risk, governance and operating models, and transformation delivery, using frameworks such as NIST CSF, ISO 27001, NCSC CAF and NIS2. Senior Consultants also own workstreams, manage deliverables and coach junior colleagues.

NIST CSF · ISO 27001 · NCSC CAF +1