1 to 25 of 32 Network Segmentation Jobs in London

Lead Network Engineer

Hiring Organisation
Kroll
Location
London, UK
Employment Type
Full-time
Senior Lead Network EngineerThe Senior Lead Network Engineer will serve as a senior technical authority within Kroll's global network function, designing, implementing, supporting, and optimising secure, resilient, and scalable network services across on-premises, hybrid, and multi-cloud environments. The role is primarily hands … network engineering, with responsibility for complex project delivery, operational support, technical standards, and continuous improvement. As part of this remit, the postholder will champion practical network automation and NetDevOps practices that reduce repetitive effort, improve consistency, and lower operational risk, while collaborating closely with global network, cloud ...

IT Network Engineer

Hiring Organisation
Mackenzie Jones IT
Location
SW11, Latchmere, Greater London, Clapham Junction, United Kingdom
Employment Type
Permanent
Salary
£36000 - £38000/annum c£36k - £38k + Benefits Package
Network Engineer - 2nd & 3rd Line Support - Permanent c£36k - £38k + Benefits Package. South West London - Full-Time Onsite - Monday to Friday - during Term Periods - Flexibility to work from home during holiday periods. Education Sector experience desirable. Must be eligible to work in the UK. Approximately 60% Networking/… User Computing & IT Infrastructure Support. Seeking to secure a hands-on IT Network Engineer to take responsibility for the configuration, administration, maintenance & troubleshooting of Network & core IT Infrastructure across 4 School Sites - all within approximately 5-10 minutes' walking distance. The role will focus predominantly on networking ...

Cyber Security Project Manager Network & Endpoint Security

Hiring Organisation
Vanquish Technologies Ltd
Location
City of London, London, United Kingdom
Employment Type
Work From Home
Cyber Security Project Manager Network & Endpoint Security Location: London 4 days onsite, 1 day remote Contract: 12 months Sector: Banking/Financial Services About the Role On behalf of our client, a leading global banking and financial services organisation, we are looking for an experienced Cyber Security Project Manager … month contract based in London. The successful candidate will initially be responsible for delivering a Firewall Rule Remediation Project , working closely with cyber security, network infrastructure, risk and compliance teams. Beyond this initial project, there will be opportunities to manage a range of cyber security initiatives planned for FY2027 ...

Network Manager - Operational Technology OT

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Network Manager (OT BESS) London/WFH to £100k Are you an experienced Network Engineer with a strong understanding of operational technology (OT) and network security? You could be progressing your career at a rapidly scaling renewable energy business at the forefront of the transition … wind and solar assets across the UK, the business is expanding into energy trading and investing heavily in technology, automation and AI. As a Network Manager you'll take ownership of OT network availability, resilience and security across power generation sites and the control centre, managing infrastructure including ...

Cyber Security Architect

Hiring Organisation
Anson Mccade
Location
East London, London, United Kingdom
Employment Type
Permanent
cyber risk assessments into target-state architectures, security control designs and pragmatic implementation roadmaps. Define secure integration patterns between IT and OT environments, including network segmentation, access control, monitoring and resilience capabilities. Lead OT security transformation workstreams covering areas such as secure remote access, vulnerability management, protective monitoring … practical security architectures that can be safely deployed in operational settings. Experience may include: OT and industrial control systems, including ICS, SCADA and OT network environments . OT security architecture, including network segmentation, zoning, secure remote access, monitoring, logging and telemetry . Security frameworks and standards such ...

Network Segmentation Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
environment alongside both internal teams and external suppliers, all with a shared motivation to succeed. Provide Architectural & hands-on technical delivery of the Illumio Segmentation platform within the Cyber Acceleration Programme (CAP), ensuring the effective deployment, configuration, and optimisation of controls across hybrid Azure and multi-cloud environments. … role focuses on implementing the Illumio Segmentation solution for in-scope critical applications/across the wider cloud environment, ensuring adherence to best practice & security principles. The role is responsible for design & implementation of the solution and creation of documentation prior to operational handover. Working closely with application, architecture ...

Senior Network Infrastructure Engineer Private Swiss Bank

Hiring Organisation
Silver Birch Rec Ltd T/A Etech Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Senior Network Infrastructure Engineer Private Swiss Bank We are partnering with a leading Private Swiss Bank to recruit a Senior Network Infrastructure Engineer to join its established technology team. The Role Design, support and manage enterprise LAN, WAN, SD-WAN and data centre networks Take ownership … banks on-premise network platforms Support and troubleshoot Aruba enterprise networking, including switching and resilient network design Manage enterprise firewalls including Palo Alto and Check Point Support enterprise Wi-Fi, NAC, 802.1X and network segmentation Manage routing and switching technologies including BGP, OSPF, ECMP and Layer ...

Cyber Defence Network Engineer

Hiring Organisation
Grant Thornton
Location
London, UK
Employment Type
Full-time
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 CentreAlternatively, Grant ThorntonAt Grant Thornton we do things differently - looking to the future, driving ambitious growth and pioneering positive change … 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 ...

IT Network Engineer

Hiring Organisation
Mackenzie Jones IT
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 36,000 - 38,000 Annual
Network Engineer - 2nd & 3rd Line Support - Permanent c£36k - £38k + Benefits Package. South West London - Full-Time Onsite - Monday to Friday - during Term Periods - Flexibility to work from home during holiday periods. Education Sector experience desirable. Must be eligible to work in the UK. Approximately 60% Networking/… User Computing & IT Infrastructure Support. Seeking to secure a hands-on IT Network Engineer to take responsibility for the configuration, administration, maintenance & troubleshooting of Network & core IT Infrastructure across 4 School Sites - all within approximately 5-10 minutes' walking distance. The role will focus predominantly on networking ...

Senior Network Engineer - Private Bank

Hiring Organisation
eTech Partners
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
partnering with a leading Private Bank to recruit a Senior Network Engineer to join its established technology team. The Role Design, support and manage enterprise LAN, WAN, SD-WAN and data centre networks Take ownership of the bank's on-premises network platforms Support and troubleshoot enterprise networking … including switching and resilient network design Manage enterprise firewalls, including Palo Alto and Check Point Support enterprise Wi-Fi, NAC, 802.1X and network segmentation Manage routing and switching technologies including BGP, OSPF, ECMP and Layer 2/3 networking Support modern data centre networking including spine-leaf ...

Enterprise Architect - Cloud

Hiring Organisation
World Wide Technology
Location
London, UK
Employment Type
Full-time
policy-as-code. Advise clients on cloud economics and FinOps: cost visibility, commitment-based discounting, and rightsizing strategy. Define cloud security architecture: identity federation, network segmentation, encryption, and compliance alignment across all three hyperscalers. Lead technical design workshops, present architecture and migration roadmaps to client leadership … knowledge of AWS Outpost. Landing zone: AWS Control Tower and Organizations for multi-account governance. Networking: Transit Gateway, Direct Connect, and VPC peering/segmentation design. Migration tooling: Application Migration Service (MGN), Database Migration Service (DMS), and Application Discovery Service. Containers: EKS and ECS architecture for modernised workloads. Azure ...

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

Hiring Organisation
EY (Ernst & Young)
Location
London, UK
Employment Type
Full-time
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 ...

Enterprise Cyber Security Architect

Location
London, United Kingdom
security architecture principles across enterprise IT environments. Embed secure-by-design controls into business applications, cloud platforms, and enterprise systems. Lead design assurance across network segmentation, zero-trust architectures, and secure cloud DMZ models. Identify architectural gaps within existing enterprise estates and define pragmatic remediation roadmaps. Align enterprise … legacy or brownfield enterprise landscapes. Knowledge of recognised enterprise security standards such as NIST CSF, ISO 27001, and zero-trust principles. Experience designing secure segmentation models (zero-trust, micro-segmentation), next-gen firewalls, and secure remote access solutions. Familiarity with enterprise protocols and technologies such as SAML/ ...

(INV) Senior Consultant, Cybersecurity, OT Technical Consultant TC, UKI

Hiring Organisation
EY (Ernst & Young)
Location
London, UK
Employment Type
Full-time
sites and regions encompassing IT and OT with alignment to EY's standards and client expectations. Implement security measures from blueprints, including firewall configurations, network segmentation (zones and conduits), VLANs, ACLs, and secure site to cloud connectivity. Produce engineering artefacts such as build standards, configuration baselines … cybersecurity with on‐site experience (OT experience desirable but not mandatory).Network engineering skills (routing, switching, VLANs, ACLs, NAT), firewall rule‐base, and network segmentation. Some experience implementing secure remote and local access and privileged access e.g. PAM, jump hosts, PAW.Working knowledge of any cybersecurity framework or standard such ...

Senior Technical Security Architect

Hiring Organisation
National Highways
Location
London, England, United Kingdom
these across business, IT and OT environments. Demonstrable experience designing and evaluating secure Cloud and IT architectures, including identity and access management, encryption and network segmentation. Advanced experience in security risk assessment, threat modelling and vulnerability analysis across complex IT and OT environments Practical experience applying Secure-by-Design ...

Principal Security Architect — DevSecOps (Group Manager II - Information Security)

Hiring Organisation
UST Global
Location
London, UK
Employment Type
Full-time
policy-as-code. Define secure engineering standards and reusable guardrails that let teams move quickly within approved boundaries. Apply cloud-native security patterns: IAM, network segmentation, workload identity, secrets management, least privilege, zero trust, runtime security, and auditability. Guide secure architecture for APIs, microservices, event-driven systems, SaaS … security: image scanning, base-image strategy, registry controls, remediation, runtime configuration, and secure workload deployment. Kubernetes security: cluster hardening, namespace isolation, RBAC, admission control, network policies, workload identity, pod security, secrets, ingress, and runtime protection. Policy-as-code (OPA, Gatekeeper, Kyverno, or equivalent). IAM, least privilege, zero trust ...

Infrastructure Security Engineer

Hiring Organisation
Blockchain
Location
London, UK
Employment Type
Full-time
preferred).Experience designing secure CI systems and workflows, dealing with artifact provenance, approval flows, and code protection (GitHub Actions preferred).Solid understanding of network-level security protocol concepts and mitigations (TLS, network segmentation).Proficiency in Infrastructure as Code (Terraform) and modern scripting/automation languages (Python, Bash ...

OT/ICS Cyber Security Architect

Location
London, United Kingdom
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/ ...

Senior Cloud & AI Security Enablement Engineer

Hiring Organisation
Hackajob Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
improve the speed and consistency of security delivery. Key Responsibilities: Cloud Security Engineering Build and maintain reusable cloud security guardrails for identity, logging, encryption, network segmentation, secrets management, storage, workloads, containers, serverless services, and data protection. Translate security architecture standards into deployable cloud patterns, reference implementations, templates … features, retrieval-augmented generation, AI agents, AI APIs, copilots, and automation workflows. Establish cloud security requirements for AI workloads, including identity, secrets, data storage, network access, observability, workload isolation, and third-party AI service integrations in partnership with Sec Architecture & AppSec. Support AI application threat modelling and risk reviews ...

Senior Consultant - Threat Modeler (TM)

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
using CWE and OWASP guidance. Practical experience in a cyber-security role. Strong understanding of authentication, authorization, logging and monitoring, encryption, infrastructure security, and network segmentation. Experience with scripting languages and Infrastructure as Code, such as Terraform or CloudFormation. Experience using Jira or other ticketing systems. Ability to design ...

Senior Remediation Architect, Mandiant STS

Hiring Organisation
Google
Location
London, UK
Employment Type
Full-time
ensure successful project execution. Review, assess, and design secure enterprise-wide architectures across on-premises, cloud, and hybrid environments, providing advanced technical guidance on network segmentation, identity perimeters, and infrastructure hardening. Evaluate and advise on the secure deployment of modern workloads, specifically focusing on cloud-native ecosystems … equivalent 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).Experience ...

OT Security Consultant

Location
London, United Kingdom
industrial networks. Translating cyber risk assessments into target-state architectures, security controls and practical implementation roadmaps. Developing secure IT/OT integration approaches, including network segmentation, access controls, remote access and monitoring. Leading client projects covering OT security transformation, vulnerability management and operational resilience. Supporting the wider cyber … Strong experience in OT Cyber Security Architecture, ideally within a consulting or client-facing environment. A solid understanding of ICS, SCADA and OT network environments. Experience working across critical infrastructure, energy, utilities, manufacturing, transport or similar sectors. Knowledge of security frameworks including IEC 62443, NIST CSF, NCSC ...

OT Security Consultant

Hiring Organisation
Anson Mccade
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
industrial networks. Translating cyber risk assessments into target-state architectures, security controls and practical implementation roadmaps. Developing secure IT/OT integration approaches, including network segmentation, access controls, remote access and monitoring. Leading client projects covering OT security transformation, vulnerability management and operational resilience. Supporting the wider cyber … Strong experience in OT Cyber Security Architecture, ideally within a consulting or client-facing environment. A solid understanding of ICS, SCADA and OT network environments. Experience working across critical infrastructure, energy, utilities, manufacturing, transport or similar sectors. Knowledge of security frameworks including IEC 62443, NIST CSF, NCSC ...

OT Security Consultant

Hiring Organisation
ANSON MCCADE
Location
South Ruislip, Greater London, UK
industrial networks. Translating cyber risk assessments into target-state architectures, security controls and practical implementation roadmaps. Developing secure IT/OT integration approaches, including network segmentation, access controls, remote access and monitoring. Leading client projects covering OT security transformation, vulnerability management and operational resilience. Supporting the wider cyber … Strong experience in OT Cyber Security Architecture, ideally within a consulting or client-facing environment. A solid understanding of ICS, SCADA and OT network environments. Experience working across critical infrastructure, energy, utilities, manufacturing, transport or similar sectors. Knowledge of security frameworks including IEC 62443, NIST CSF, NCSC ...

IT Infrastructure Engineer - MSP

Hiring Organisation
Circle Recruitment
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
environments. Support and administer storage solutions including iSCSI and Synology platforms. Configure, maintain and troubleshoot switching infrastructure including UniFi, Dell and Aruba. Manage VLANs, network segmentation and routing. Support firewall and VPN technologies including pfSense. Carry out server installations, upgrades and migrations. Perform physical rack builds, equipment installations … work independently and take ownership of technical issues. Desirable Skills Experience with pfSense firewalls. Exposure to BGP routing. Experience supporting larger or more complex network environments. Previous involvement in infrastructure migrations and project delivery. What's on Offer Salary of £40,000 - £50,000 depending on experience. 28 days ...