51 to 75 of 78 Network Segmentation Jobs in London

enterprise clients across banking, insurance, and public sector on security posture - from architecture review and threat modelling through to hands-on implementation of identity, segmentation, and detection controls. Our clients don't need another slide deck telling them they're at risk. They need someone who can sit with … remediation plan the client's engineering teams can actually execute against. Get hands-on where it counts Work directly alongside client teams on identity, network segmentation, and telemetry implementation - not just advisory from the sidelines. What you're looking for. Must have 4+ years in security consulting ...

architecture principles across OT/ICS environments. Embed secure-by-design controls into industrial systems and operational technology platforms. Lead design assurance across OT network segmentation, zone and conduit modelling, and industrial DMZ architectures. Identify architectural gaps within existing OT estates and define pragmatic remediation roadmaps. Align … recognised OT security standards such as IEC 62443 (ISA-99), NIST SP 800-82 , and application of the Purdue Model . Experience designing secure segmentation models (zones and conduits), industrial firewalls, and secure remote access solutions. Familiarity with industrial protocols such as Modbus, DNP3, Ethernet/IP, OPC/ ...

with the ability to write clear security standards Strong differentiators: Awareness of AI and LLM security risks (a live priority here, not a futureone) Network segmentation, Zero Trust, and SASE/SSE experience, SABSA certification The environment This firm moves fast. If you are used to a large ...

secure SDLC: drive SAST, dependency scanning, secrets detection, and PR‐blocking standards across every repository. Harden our AWS and Cloudflare estate: IAM, secrets, network segmentation, KMS, WAF, GuardDuty, and zero‐trust patterns. Run pen testing end‐to‐end: scope and coordinate engagements with both AI‐driven scanners ...

fintech or financial services with a primary EU/UK focus. Hands‐on experience implementing technical controls (e.g., IAM, logging and monitoring, encryption, network segmentation, infrastructure hardening) and integrating compliance checks into CI/CD pipelines. Experience supporting ISO 27001 and/or SOC 2 programs alongside ...

deployment, email security improvements, and NIST CSF compliance. Responsibilities Design and implement enterprise security solutions. Configure and optimise firewalls, IDS/IPS, and network segmentation. Support Azure security and secure landing zones. Guide IT and security teams. Support security risk and compliance initiatives. Essential skills Strong security engineering ...

Shape the Azure foundations: Container Apps, Service Bus, Front Door, Entra ID, all under Terraform Design multi-tenant isolation patterns across compute, data, and network layers Own the deployment pipelines, observability stack, and on-call posture as the platform scales Build platform capabilities the rest of the team depends … ideally, or adjacent with appetite to switch Production IaC (Terraform), CI/CD (GitHub Actions or similar), and container orchestration Strong security posture: IAM, network segmentation, secrets, supply chain End-to-end compliance ownership (SOC 2, ISO 27001, or similar): designing the controls, not just answering about them ...

performance through capacity planning, autoscaling and resource optimisation Build and maintain disaster recovery, backup and failover strategies Strengthen infrastructure security across areas including network policies, secrets management and platform hardening Establish and improve incident response processes, on‐call practices, runbooks and blameless post‐mortems Work with our Data team … GitHub Actions Strong experience with containers and Docker Experience implementing monitoring, logging, alerting and observability within production environments Good knowledge of infrastructure security, including network segmentation, encryption, secrets management and audit logging Experience building automation and tooling using Python, Go, Bash or TypeScript Strong troubleshooting skills and experience ...

tuningExperience mapping detections to the MITRE ATT&CK framework. Strong understanding of modern security principles including Zero Trust, identity-first security, secrets management, and network segmentation. Desirable ExperienceExperience with Cribl and security data pipeline management. Knowledge of Kinesis, Amazon S3, Amazon Security Lake, or similar technologies. Understanding of OCSF ...

Entra ID, Azure Policy, Private Link, Key Vault, Azure RBAC. (MUST) AKS Platform Architecture: Building strict multi-tenant environments, logical isolation (namespaces/RBAC), network policies, resource quotas, upgrade strategies, node pools, and workload identity. (MUST) Advanced Kubernetes Ecosystem: Deep understanding of control plane mechanics, custom resource definitions (CRDs … service mesh, OPA/Gatekeeper policy, secrets management, and progressive delivery. Strong security awareness, displaying comfort with CAF/ALZ patterns, least-privilege IAM, network segmentation, and policy-as-code. Experience working with regulated or financial services workloads on Azure. FinOps instincts for managing AKS and networking costs ...

gates, continuous monitoring SLAs, and clear breach‐notification obligations in supplier contracts. Cloud Posture: Partner with Technology to drive cloud security posture management (IAM, network segmentation, encryption, secrets management). SaaS Governance: Tighten SaaS ownership and eliminate shadow IT across the business. About You Experience & Expertise 10+ years ...

such assecure integration of IT/OT systems,cloudconnectedOT, remote access,protecting legacy systems,and emerging technologies). Develop and review system hardening standards, network segmentation designs, asset management solutions, and security monitoring approaches for OT environments. 2. Consulting & Delivery Excellence Responsible for the development, performance management ...

guides. Infrastructure Oversee administration of Windows Server environments and Active Directory to facilitate secure and reliable system operations and user access management. Collaborate with network infrastructure teams to establish robust connectivity and effective network segmentation for all security platforms. Work closely with other departments to ensure cybersecurity … teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories. EY refers to the global organization ...

networks, industrial control systems and supporting infrastructure to identify opportunities to improve security and resilienceContribute to the development of secure OT architectures, including network segmentation, remote access and monitoring solutionsSupport cybersecurity assessments, technical reviews and security improvement initiatives across a range of Critical National Infrastructure sectorsProduce clear technical … frameworks including IEC 62443, NIST CSF and NIS/NIS2Progress through clearly defined technical and professional development pathways as your experience growsBenefitsA global network of expertise and opportunityA culture founded on safety, integrity, inclusion and belongingFlexible working arrangements that support your well-being and potentialInvestment in your development through ...

networks, industrial control systems and supporting infrastructure to identify opportunities to improve security and resilience Contribute to the development of secure OT architectures, including network segmentation, remote access and monitoring solutions Support cybersecurity assessments, technical reviews and security improvement initiatives across a range of Critical National Infrastructure sectors … including IEC 62443, NIST CSF and NIS/NIS2 Progress through clearly defined technical and professional development pathways as your experience grows A global network of expertise and opportunity A culture founded on safety, integrity, inclusion and belonging Flexible working arrangements that support your well-being and potential Investment ...

performance setups. Build and run high-throughput, resilient connectivity patterns for exchange integrations. Drive security hygiene both on and off cloud with secrets management, network segmentation and traffic isolation. Implement governance and best practices for shared cloud platform ensuring safe multi-tenant operation. Deliver infrastructure as code using … limits) and how to engineer systems to respect them without compromising trading performance. Familiarity with high-performance networking concepts (e.g., SR-IOV, kernel/network tuning, exposure to RDMA/DPDK is a plus). Who we are At Optiver, our mission is to constantly improve the market ...

security of new tools before they're adopted. Experience partnering with DevOps/Platform teams to secure cloud environments (ideally GCP), including IAM, network segmentation, secrets management, logging, and CSPM. A habit of writing policies and runbooks that people can easily follow. A thoughtful approach to change ...

Terraform plan/apply workflows, policy checks, and automated testingImplement security best practices across the platform, including least-privilege access controls, secrets management, encryption, network segmentation, and auditabilityImprove platform reliability through observability tooling — logging, metrics, and tracing — alongside alerting, incident response practices, and performance and cost optimizationCollaborate with ...

third-party access and dependencies, including each vendor's own DR/BC posture. Drive cloud security posture management and foundational controls including IAM, network segmentation, encryption and secrets. Partner with Technology to eliminate shadow technology and tighten ownership/authorisation. About You6+ years in information security, with ...

comply with banking regulatory requirements. Embed secure-by-design principles into platform foundations. Define and enforce controls for: Identity & Access Management Encryption & data protection Network segmentation Disaster recovery Operational resilience Stakeholder & Team Leadership Guide engineering teams through cloud adoption and modernisation. Present platform designs and architectural recommendations ...

plan/apply workflows, policy checks, and automated testing Implement security best practices across the platform, including least‐privilege access controls, secrets management, encryption, network segmentation, and auditability Improve platform reliability through observability tooling — logging, metrics, and tracing — alongside alerting, incident response practices, and performance and cost optimization ...

Solution deployments, configuration, risk management and reporting Experience developing or applying structured methodologies (e.g., assessment, scoring, or attribution approaches). Understanding of Purdue-aligned network segmentation and reference architecture concepts. Ability to review remediation evidence and produce clear written validation outcomes and recommendations. Strong stakeholder management and communication ...

call roster once every 6–8 weeks. Preferred qualifications: Experience with enterprise security controls across on-premises and cloud infrastructures, including enterprise networking and network segmentation strategies. Experience with Privileged Access Management (PAM) best practices, Windows and Unix endpoint hardening, and security control enforcement. Experience working across multiple ...

Kubernetes and containerisation, CI/CD, and edge deployment patterns for on-site connectivity Security and safety posture: identity and authorisation for machine actors, network segmentation for OT environments, and the audit and traceability expectations that come with software commanding physical machines What sets candidates apart Prior work ...

demand it; production Kubernetes andcontainerisation, CI/CD, and edge deployment patterns for on-site connectivity Security and safety posture: identity andauthorisationfor machine actors, network segmentation for OT environments, and the audit and traceability expectations that come with software commanding physical machines What sets candidates apart Prior work ...