Top Cyber Security Jobs in London

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

Deliver OT cybersecurity consulting services for critical infrastructure and manufacturing clients. Responsibilities include cyber risk assessments, security maturity improvements, framework implementation, attack-vector analysis, secure OT network and remote-access design, policy development, project assurance, and security solution selection. The role requires expertise in PLCs, SCADA, OT security controls, industrial-sector environments, threat impacts, vulnerability analysis, and standards including ISA/IEC 62443, NCSC CAF, NIST SP 800-82, HSE OG86, and ISO 27001. Client relationship management, communication, and technical authoring are also important.

Triage, investigate, and remediate security alerts using EDR and forensic artifacts. Perform tactical malware analysis, investigate Microsoft M365 activity, assist escalations, contribute to detection engineering, and work on projects to improve SOC outcomes while mentoring and collaborating with teammates.

Evaluate and test frontier AI models for cybersecurity and autonomy. Build and run realistic evaluations (cyber ranges, CTFs), perform pre-deployment testing, validate novel model behaviours, and collaborate with government, labs, and partners to inform AI risk and governance.

This role requires shaping technical direction, leveraging AI tools for production systems, and making crucial decisions to align product intent with engineering realities.

Secure and scale cloud infrastructure by implementing CI/CD, hardening DigitalOcean and other cloud environments, managing certificates and DNS, integrating IAM/SSO and KYC providers, applying DevSecOps practices, automating infrastructure as code, participating in incident response, and collaborating with engineering teams to optimize deployments and reduce downtime.

Manage and grow channel partner relationships across Turkey, Middle East and Africa; recruit partners, drive channel-sourced pipeline and revenue, coordinate cross-functional support, execute channel marketing, register opportunities in Salesforce, and travel up to 50% for customer meetings.

Protect people, property, and assets across retail, residential, and public spaces. Duties include patrols, access control, CCTV monitoring, incident response, conflict de-escalation, emergency liaison, accurate report writing, visitor assistance, and supporting events. The role requires professionalism, strong observation and communication skills, flexibility for rota-based shifts, and a valid SIA frontline licence.

Lead an information security project replacing an internally developed firewall governance solution with an off-the-shelf SaaS firewall management platform.

Oversee 24/7 security operations services, maintain Forcepoint DLP and other security toolsets, investigate data loss and security incidents, manage firewall and proxy governance, support certificate provisioning, monitor threats and vulnerabilities, coordinate remediation, and report information security control metrics and risks.

Originates and closes complex IT services and digital transformation deals, builds C-suite and senior technical relationships, grows accounts via upsell/cross-sell, executes territory plans and sales campaigns, and collaborates with pre-sales, marketing, consultants and partners to meet revenue and GP targets.

Execute and manage IT audit activities, assess controls and regulatory compliance (SOX, GDPR, ISO, NIST), run control testing, use GRC tools for evidence tracking, perform IT risk assessments, manage third-party risk, coordinate with auditors and stakeholders, and provide actionable security and compliance insights to leadership.

Secure products and cloud infrastructure through threat modeling, security reviews, vulnerability management, detection and response, secure cloud and Kubernetes baselines, policy-as-code, automation, and software supply-chain controls. Partner with engineering and operations teams to implement secure-by-design solutions and influence the product roadmap.

Design and build reliable systems, manage technical projects, write high-quality Python code, and collaborate with researchers to deliver functional software solutions.

The Information Security Specialist develops and implements security compliance programs, ensuring adherence to regulations like HIPAA and GDPR, while managing security incidents and risk assessments.

Sell Elastic's Search AI, observability, and security platform into enterprise accounts. Drive net-new revenue and expansion, manage complex sales cycles, qualify with MEDDPICC, build strategic plans, partner cross-functionally, and lead executive negotiations to deliver measurable business outcomes.

The Account Executive will drive new enterprise business, manage relationships with engineering and security teams, and close sales. Responsibilities involve pipeline management and presentations to showcase product value from first contact to closing deals.

As the first Customer Success Manager in the UK, you will drive product adoption, prevent churn, resolve customer issues, and provide training while sharing insights with the product team.

The Account Executive will drive new enterprise business, manage relationships with engineering and security teams, and expand existing accounts.

The Content Marketing Writer will create engaging educational content on cloud security for developers. Responsibilities include writing articles, guides, and optimizing content for SEO while collaborating with teams for visuals and editing.

The Account Executive manages sales opportunities, follows up on leads, executes growth initiatives, and requires experience in AppSec and CRM.

The Enterprise Customer Success Manager at Canonical is responsible for onboarding customers, managing relationships, identifying growth opportunities, and collaborating with cross-functional teams to enhance customer satisfaction.

Develops new business for electronic security systems by prospecting, managing sales leads and quotations, meeting sales targets, preparing contracts, and building relationships with customers, contractors, and stakeholders. The role requires consultative technical sales expertise, knowledge of electronic security systems, strong communication skills, Microsoft product literacy, quality and safety awareness, and a full UK driving license.

Lead security engineering efforts across the product lifecycle by conducting security reviews, threat modeling, vulnerability research, code analysis, fuzzing, secure design, and cloud infrastructure hardening. The role guides engineers and staff on secure practices, develops security tests and protocols, integrates security capabilities into CI/CD pipelines, and improves vulnerability detection using manual, automated, and AI-assisted techniques.

Own administration, configuration, and lifecycle management of security tooling. Improve detection quality and reduce false positives, enforce change control and governance, maintain MITRE ATT&CK mapping and coverage analysis, and drive continuous optimisation of security tooling across enterprise, cloud, and network environments.