Cyber Security Jobs

• London
• Lead

Owns product strategy, roadmap and commercial model for a new publicly trusted certificate authority, spanning ACME issuance, certificate lifecycle automation, revocation and Certificate Transparency. Works across engineering, compliance, legal and go-to-market on high-consequence infrastructure, with an ACME-first, automation-first and post-quantum-ready design.

AWS Certificate Manager · AWS Private CA · Google Trust Services +7

• Norwich
• £20,409 pa
• Entry level
• Contract

Develops quantum-resilient security for connected and autonomous vehicular systems, evaluating post-quantum cryptographic techniques in resource-constrained 6G-enabled networks. Combines system modelling, simulation and algorithmic implementation to study trade-offs between security strength, computational overhead and communication latency, with adaptive key management and optimisation for low-latency, scalable deployment.

6G

• United States - Field
• Senior · manages people

Defines and governs a four-plane reference architecture (Identity, Authority, Execution, Assurance) for an agentic trust layer, owning specs like the Agent Passport, Permission Slip framework, Evidence Ledger and Policy Engine. Chairs architecture and boundary review boards, sets dependency contracts across product lines, and represents the company in standards bodies such as FIDO, OpenID and IETF.

Azure · AWS · Google Cloud +7

• United Kingdom - Field
• Senior · manages people

Defines and governs a four-plane reference architecture (Identity, Authority, Execution, Assurance) for an agentic trust layer, owning specs like the Agent Passport, Permission Slip framework, Evidence Ledger and Policy Engine. Chairs architecture and boundary review boards, sets dependency contracts across product lines, and represents the company in standards bodies such as FIDO, OpenID and IETF.

AWS · Azure · Google Cloud +7

• London
• Senior
• Permanent

Hands-on security advisory role protecting pre-release film and series content across the production lifecycle, from editorial setup and Aspera transfers to cloud storage and on-set networking. Also maintains AWS infrastructure, builds Python automation for access governance and audit reporting, and researches emerging threats such as forensic watermarking and generative AI misuse.

AWS · Aspera · Python

• London
• Permanent

Hands-on security advisory role protecting pre-release film and series content across the production lifecycle, from editorial setup and Aspera transfers to cloud storage and on-set networking. Combines vendor security assessments, research into forensic watermarking and anti-generative-AI controls, and building AWS-based tooling and Python automation.

AWS · Aspera · Python

• Sheffield
• Hybrid · 2–3 days in office
• £500 – £600 pd
• Senior
• Contract

Lead the response to high-severity IT incidents across network, infrastructure, cloud and security environments, coordinating technical teams, suppliers and stakeholders to restore services within agreed targets. The role involves chairing incident and crisis calls, post-incident reviews, root cause analysis, ITIL processes, disaster recovery and business continuity planning, plus executive reporting and on-call duties.

Cisco · VMware · ServiceNow +3

• Munster - Ireland
• €137,172 – €168,795 pa
• Senior
• Permanent

A professorial appointment to lead research in cyber physical systems engineering, connecting physical devices and infrastructure with sensing, communications, control, automation and digital intelligence. The role spans faculties and campuses, building on Nimbus and IMaR capabilities, developing researchers and teams, and forging national and international partnerships across manufacturing, energy, healthcare and maritime applications.

Nimbus · IMaR

• Winchester
• On-site
• £41,000 – £50,000 pa
• Mid-level

Monitor, triage and investigate security alerts across SIEM and wider security tooling, identifying indicators of compromise and conducting initial incident investigations. Support the full incident response lifecycle including containment, remediation and post-incident learning, while tuning detection rules to reduce false positives. Work with security and infrastructure teams on threat intelligence, trend reporting and continual service improvement.

Microsoft Sentinel · Microsoft Defender · QRadar +2

• London
• On-site
• Lead · manages people
• Permanent

Lead product cybersecurity assurance across the HMND 01 humanoid robot platforms, defining security requirements, threat modelling and risk artefacts for safety-critical electromechanical systems. Own TARA, security management plans and remediation actions, drive compliance with IEC 62443, the EU Machinery Regulation and the Cyber Resilience Act, and build a PSIRT process while guiding a cross-functional security team.

CAN bus · Ethernet · KinetIQ +4

• London
• Remote
• £500 pd
• Senior
• Contract

Lead end-to-end management of cyber security incidents and major security events within a secure government programme, coordinating technical response teams through containment, eradication and recovery. Act as primary point of contact for incident communications, run response bridges and war-rooms, and produce post-incident reports and root cause analysis. Works alongside SOC, analysts, infrastructure teams and third-party suppliers to improve cyber resilience.

SIEM · EDR

• Boston, United States
• Remote
• £140,000 – £215,000 pa
• Lead · manages people

Lead a team of engineers building self-service infrastructure-as-code primitives, high-availability services and cloud cost optimization across a multi-cloud environment. The role combines people management with hands-on architecture of large-scale distributed systems, using tools like Terraform, Pulumi, Chef and Python or Go, with a strong SRE and GitOps focus.

Chef · Puppet · Salt +7

• Arlington, United States
• Remote
• £140,000 – £215,000 pa
• Senior · manages people

Lead a team building the foundational platform behind CrowdStrike's massive-scale cloud infrastructure, architecting core services and driving cloud cost optimization across AWS and GCP. The role blends people management with hands-on technical direction, setting deployment standards and SRE practices in a multi-cloud, Linux-based environment.

Chef · Puppet · Salt +7

• Basingstoke
• Hybrid
• £41,000 – £45,000 pa
• Entry level
• Contract

A KTP Associate role transforming in-house cybersecurity software using Large Language Models and NLP, building real-time threat detection and clear user-facing responses. Involves developing UI and API integrations, working with large datasets and PyTorch, and acting as project lead while embedding technology and upskilling company staff.

PyTorch

• London
• Hybrid
• Senior
• Permanent

Senior overlay role acting as lead technical strategist for BT across the UK and EMEA, driving joint technical alignment and co-architecting security offerings. Involves positioning NetSec, SASE, Zero Trust and Cortex CloudSecOps into BT's managed service architecture, leading complex POCs and demos, and providing targeted post-sales advisory. Requires executive-level engagement with BT leadership and close co-selling with internal sales, with around 30% UK travel.

Palo Alto Networks · Cortex · AWS +6