17 of 17 Contract Network Segmentation Jobs in the UK

Cleared Principal Network Security Consultant Role Overview: Our client is a leader in secure data centre and high-security network environments, serving technology and government sectors. They are known for delivering innovative, compliant, and resilient solutions in mission-critical settings. Position Summary: We are seeking a highly experienced … Principal Network Security Consultant for an initial 6-month contract (with strong potential for extension) to lead the design and implementation of robust network security architectures in sensitive, high-security data centre and hybrid cloud environments. As a senior technical authority, you will provide expert guidance on security ...

Network Engineer | Manchester | Contract A client is seeking a highly skilled Network Engineer with deep expertise in enterprise networking to join a major transformation project within the business. The Systems Engineer take ownership of the end-to-end network environment, ensuring high availability, security, and performance across … fast-paced technical estate. Key Responsibilities of the Network Engineer: Own and manage the corporate network across multiple sites, including switching, routing, wireless, firewalls, VPNs, and WAN connectivity. Optimise network performance for high-volume workloads, including Perforce synchronisations, build distribution, and GPU workstation traffic. Design and implement ...

Position: Network Architect Location: London/Remote Daily Rate: £700 p.d Inside IR35 Clearance: UKSV SC Clearance Required We're partnering with a leading consultancy delivering into a high-profile Central Government programme, and we're looking for an experienced Network Architect to play a pivotal role … designing and evolving a secure, resilient, and high-performing network. What you'll be doing: Lead the design, implementation, and evolution of complex network architecture Collaborate with design authority, infrastructure suppliers, and security teams Deliver a scalable, highly resilient network supporting mission-critical services Drive strategic decisions across ...

candidate will hold a current live SC Clearance Key Responsibilities Deliver OT cybersecurity assessments across industrial control systems, SCADA, PLC, DCS, IIoT and critical network environments. Conduct OT and cyber maturity assessments using frameworks such as NIST CSF, IEC 62443 and other recognised industry standards. Assess critical network infrastructure, including segmentation, remote access, identity, monitoring, resilience and incident response capabilities. Review OT architecture, asset inventories, data flows, firewall rules, network zones and conduits. Identify security gaps, operational risks, vulnerabilities and control weaknesses across OT environments. Develop practical remediation roadmaps that balance cyber risk reduction with ...

Network IoT Operations Engineer | £475-£480 per day (Inside IR35) | Hybrid (3 Days per Week in London)| 12 months (rolling) We're looking for an experienced Network IoT Operations Engineer to join the team on a contract expected to run as a long engagement! Contract details: Rate … Inside IR35) Location: Hybrid - 3 days per week onsite in London You'll play a key role in delivering and supporting enterprise-scale network infrastructure across campuses, branch locations and data centres, with a strong focus on IoT connectivity, security and automation. What You'll Be Doing: Designing, deploying ...

Network IoT Operations Engineer | £475-£480 per day (Inside IR35) | Hybrid (3 Days per Week in London)| 12 months (rolling) We're looking for an experienced Network IoT Operations Engineer to join the team on a contract expected to run as a long engagement! Contract details: Rate … Inside IR35) Location: Hybrid - 3 days per week onsite in London You'll play a key role in delivering and supporting enterprise-scale network infrastructure across campuses, branch locations and data centres, with a strong focus on IoT connectivity, security and automation. What You'll Be Doing: Designing, deploying ...

enterprise cloud standards. Drive adoption of cloud native capabilities, automation, and modern platform engineering practices. Partner with cybersecurity teams to embed Zero Trust, network segmentation, and least privilege identity models. Engage with stakeholders across the business to translate requirements into actionable cloud architectures. Guide complex cloud migrations … artefacts such as HLDs, reference architectures, diagrams, and standards. Enhance platform reliability, security, and operational readiness through architectural improvements. Design enterprise Azure landing zones, network topology, identity integrations, governance, and operational models. Architect Azure compute solutions including VMs, VMSS, App Services, Functions, and AKS. Define storage, backup, BCDR ...

based + Rate on application We are seeking an experienced Security Architect to support the design, assurance and accreditation of highly secure infrastructure and network environments within a classified defence programme. Working within a multi-disciplinary engineering team, you will define security architectures, conduct threat modelling and risk assessments … networked systems. Key Skills & Experience Proven Security Architecture experience within Defence, MOD, National Security or other highly regulated environments. Strong understanding of secure infrastructure, network and platform architectures. Experience with: Network segmentation and zoning Firewalls, IDS/IPS and boundary security controls PKI, encryption and key management ...

coverage, integrating with enterprise systems, and driving best practices across a complex and distributed infrastructure. The ideal candidate will bring deep Qualys expertise, strong network infrastructure knowledge, and proven experience operating within large, complex enterprise organisations. Vulnerability Management Enhance and mature vulnerability management processes across the estate Support remediation … collaboration with infrastructure and application teams Produce high-quality reporting and dashboards for executive and operational stakeholders Infrastructure & Networking Integration Work closely with network and infrastructure teams to: Ensure accurate asset discovery across complex, segmented networks Troubleshoot connectivity and scanning issues (firewalls, routing, NAT, etc.) Expand coverage across ...

initiatives for a large-scale enterprise environment. This is an excellent opportunity to work on a high-profile security transformation programme, helping to modernise network security, secure user access, and strengthen data protection capabilities across a complex organisation. Key Responsibilities Design and implement enterprise-scale Zero Trust security architectures … deployment of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions. Define and develop DLP strategies, policies, and controls across cloud, endpoint, and network environments. Produce high-quality architecture artefacts including HLDs, LLDs, roadmaps, and governance documentation. Work closely with security, infrastructure, networking, cloud, and business stakeholders ...

Bristol Active SC Clearance required We're looking for an SC Cleared Enterprise Security Architect to support a major secure telecoms programme across mobile network, enterprise IT and cloud environments. You'll help define and maintain security architecture across 4G/5G core, RAN, OSS/… telecom APIs and interconnect security Strong AWS cloud security architecture experience Knowledge of Zero Trust, identity security, encryption, SIEM/SOC integration and network segmentation Experience with telecoms security standards and regulations, including GSMA, NCSC, ISO 27001, NIS/NIS2 and GDPR Strong stakeholder engagement and senior-level ...

plans defining scope, environments, tooling, automation, and governance entry/exit criteria. Provision and validate test environments in collaboration with DevSecOps, ensuring OS, network, platform services, monitoring, and pipelines align to readiness standards. Design and execute tests across physical infrastructure and IaC, including functional, integration, regression, resilience, non-functional … compliance documentation. Key Responsibilites Required Infrastructure, Networking & Operating Systems Strong understanding of TCP/IP, DNS, DHCP, routing, switching, firewalls, VLANs, and related network behaviours. Experience with physical infrastructure setup and troubleshooting (routers, switches, cabling). Proficiency with Linux/Unix command line for diagnostics, configuration, and validation. Experience ...

administration (RHEL, CentOS, Ubuntu, or equivalent) Experience with on-premise infrastructure design and deployment Strong understanding of: o TCP/IP, routing, switching, and network diagnostics o DNS security (DNSSEC, DDoS mitigation, split-horizon DNS) Experience operating in high-security or regulated environments OT/CNI Experience Proven experience … Operational Technology (OT) or Critical National Infrastructure (CNI) environments Knowledge of network segmentation, air-gapped systems, and industrial control environments Familiarity with SCADA systems, ICS networks, or similar industrial systems (desirable) Security & Compliance Strong understanding of cybersecurity principles in OT environments Experience aligning with frameworks such ...

frameworks such as IEC 62443, NIST CSF, CAF, and ISO 27001. Key Responsibilities Implement and maintain OT security controls across industrial environments Support OT network segmentation and secure remote access solutions Integrate OT environments into SIEM/SOC platforms Develop and tune OT threat detection rules Conduct … security frameworks including IEC 62443, NIST CSF, CAF, and ISO 27001 Experience implementing OT security strategies, controls, and standards Knowledge of industrial networks, segmentation, and OT protocols Experience working with engineering and operational technology teams Strong documentation and stakeholder communication skills Familiarity with SIEM/SOC integration within ...

support. Proven knowledge of HA/DRS, failover planning and resilient infrastructure design. Solid understanding of VMware networking, including vSwitches, distributed switches, VLANs and network segmentation. Experience troubleshooting and optimising VM and host performance. Knowledge of backup and disaster recovery tools such as Veeam, SRM, Zerto or Avamar. Experience ...

recovery OEM and OCI Database Management Patching, upgrades, and high availability mission-critical environments Cloud & Infrastructure Strong OCI experience (critical requirement) AWS experience (especially network segregation/security) Linux and/or AIX environments Infrastructure as Code (Terraform, Ansible) including debugging Security & DevOps Network segmentation in cloud ...

troubleshooting skills across platform, OS and user experience Desirable skills: App Volumes or application layering tools Dynamic Environment Manager (DEM) or equivalent NSX or network segmentation in VDI environments Experience in regulated or high-availability environments ...