10 of 10 Permanent Network Segmentation Jobs in Central London

Lead Security Engineer

Location
City Of London, England, United Kingdom
open, supportive and low-ego environment where ideas are welcomed About the role Design, implement and operate highly automated security governance and controls across network, device, identity and access systems. Architect reusable security services for enterprise systems, integrating governance, protection, detection, response and recovery capabilities. Design and implement access … controls for human and non-human identities, including service and agentic AI identities. Strengthen authentication, authorisation, secrets management, audit and privilege segmentation across systems and services. Implement scalable access-control models and access policy-as-code, enabling teams to provision access consistently and securely. Embed security governance and controls ...

Cyber Defence Network Engineer

Location
City Of London, England, United Kingdom
potential. And with that comes the opportunity to help redefine what our industry looks like, and what you want from your career. Job Description: Network Engineer, Cyber Defence Centre Alternatively, Grant Thornton At Grant Thornton we do things differently - looking to the future, driving ambitious growth and pioneering positive … environment with a strong team ethos. Support is always available across the SecOps, DFIR, MSS and wider cyber teams. We’re seeking an experienced Network Engineer to join our Cyber Defence Centre. This is a hands‐on technical role that spans live incident response, security assessment and hardening ...

Manager, Cybersecurity, Engineering, OT Technical Consultant, TC, UKI

Hiring Organisation
EY UK
Location
Southwark, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
appetite and regulatory obligations. Deliver engineering delivery and plan and manage scope, schedule, resources and risks. Implement security measures from blueprints including firewall configurations, network segmentation (zones and conduits), VLANs and ACLs, and secure site to cloud connectivity. Produce engineering artefacts including build standards, configuration baselines and asbuilt … developing colleagues. To Qualify for the Role, You Must Have: Experience in cybersecurity with onsite experience (OT experience desirable but not mandatory). Strong network engineering skills (routing, switching, VLANs, ACLs, NAT), firewall rulebase, design/optimisation, and network segmentation. Experience implementing secure remote and local access ...

Senior Platform Engineer - Azure Data & AI Platform

Location
City Of London, England, United Kingdom
build and operate our Azure-based data and AI platform. This is hands‐on infrastructure and platform work – you'll be writing Terraform, designing network architecture, implementing MLOps (AI model) pipelines, and establishing DevSecOps patterns that engineering teams can use. This isn't a “thought leadership” or “strategy” role. … Actually Do Azure Platform Engineering (40%) Design and implement Azure landing zones, management groups, and subscription architecture Build and maintain hub‐spoke network topologies with proper segmentation and security controls Implement Azure Policy, RBAC, and governance frameworks that balance security with developer productivity Manage identity and access using ...

Senior Security Engineer (Infrastructure)

Location
City Of London, England, United Kingdom
technical role focused on improving visibility, resilience and security maturity across the organisation. The successful candidate will work closely with INO (Infrastructure & Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. … regulatory and governance requirements Main Requirements 5+ years experience in a dedicated or heavily security-focused engineering role Strong background in infrastructure, cloud or network security engineering within high-availability environments Strong understanding of Layer 3, Layer 4 and Layer 7 security principles across modern network and infrastructure ...

Senior Remediation Architect, Mandiant STS

Location
City of Westminster, England, United Kingdom
practical experience. 5 years of experience designing, evaluating, or leading enterprise security architecture programs and managing delivery teams. Experience applying advanced enterprise security controls, network engineering concepts, and identity management frameworks. Preferred qualifications: Relevant industry certifications (e.g., CISSP, CCSP, Google Cloud Certified Professional Cloud Security Engineer, or equivalent). … leading architecture workstreams, and translating deep technical details into clear business terms for management and engineering teams alike. Your ability to quickly parse complex network topologies, identify trust boundaries, and project-manage remediation blueprints will be essential to client success. You will need to travel ...

Cyber Security Architect

Location
City Of London, England, United Kingdom
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 ...

Platform Principal Engineer

Location
City Of London, England, United Kingdom
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 ...

OT SME

Location
City Of London, England, United Kingdom
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 ...

Senior Remediation Advisor, Mandiant STS

Location
City of Westminster, England, United Kingdom
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 ...