About this role
Salary: £? - ? per year
Requirements: Strong understanding of SWG controlsExperience with Island Enterprise Browser, extension and agent engineeringStrong understanding of TLS interceptionExperience with Proxy and Secure Web Gateway technologiesExperience with Zero Trust Network Access (ZTNA)Strong understanding of authentication methods at enterprise levelStrong understanding of content controls in request and response modeExperience with network security automation using Python, PowerShell, APIs, and TerraformExperience with cloud security and secure connectivityExperience with identity integration, including Entra ID, Conditional Access, and MFAHands-on experience implementing, configuring, and supporting Enterprise Browser solutions, including Island Browser or equivalent secure enterprise browser technologiesExperience designing and implementing browser-based security controls to support Zero Trust security principles, secure remote access, data protection, and policy enforcementExperience configuring and managing browser security policies, including DLP, clipboard controls, file upload and download restrictions, browser isolation controls, session protection, watermarking, and secure application access controlsExperience integrating Enterprise Browser platforms with downstream SWG, Microsoft Entra ID, MFA, Conditional Access, and SIEM platformsStrong understanding of browser-based security architecture, enterprise endpoint security, and secure access governanceExperience troubleshooting browser policy enforcement, application compatibility, authentication integration, and user adoption challengesKnowledge of Browser Isolation, Secure Enterprise Browsing, Zero Trust Access, and Secure Workspace technologiesStrong operational experience supporting enterprise network security environmentsExperience managing security incidents, policy changes, exceptions, and operational support within regulated organisationsUnderstanding of compliance management, governance processes, audit requirements, and regulatory controlsExperience working within ITIL-aligned Incident, Problem, Change, and Service Management frameworksExperience automating network security processes, including rule lifecycle management, policy validation, compliance reporting, security control enforcement, and operational workflowsProficiency in PowerShell, Python, Bash, and API-based integrations to support automation objectivesExperience with automation platforms and configuration management tools such as Ansible, Terraform, Chef, or equivalent solutions Responsibilities: Lead the implementation, engineering, and operational support of Island Enterprise Browser services across enterprise environmentsDevelop and maintain browser security policies to protect sensitive data, secure third-party access, and support workforce mobility initiativesCollaborate with Security Architecture, End User Computing, Identity & Access Management, and Security Operations teams to deliver secure browser-based access solutionsSupport browser modernisation initiatives that replace traditional VPN and endpoint-centric security controls with Zero Trust access modelsDesign, implement, and maintain secure enterprise network infrastructure and security controls aligned to organisational strategy and security standardsDrive network security enhancements and modernisation initiatives within agreed budgets, timelines, and risk appetitesSupport the delivery of secure connectivity solutions across cloud, on-premises, and hybrid environmentsCollaborate with architects and engineers to develop High Level Designs and Low Level Designs into operational solutionsLead operational readiness and transition requirements from design/build phase to BAULead policy governance, including rule review, optimisation, recertification, and compliance management processesDrive continuous improvement of network security operations through automation, policy simplification, and control standardisationIdentify opportunities to reduce operational risk through proactive firewall rule analysis, remediation, and optimisation activitiesPartner with Infrastructure, Security Architecture, Engineering, and Cyber Defence teams to deliver secure network services and strategic security initiativesCollaborate with leadership teams to align network security capabilities with broader technology, resilience, and cyber security strategiesDevelop and implement automated solutions for network security administration, policy management, compliance validation, and operational processesDrive the adoption of Infrastructure as Code, Security as Code, and automated governance controls across network security platformsContribute to enterprise-wide initiatives focused on network visibility, security posture improvement, and operational efficiencyMonitor and analyse browser security events, policy violations, and suspicious user activity to support threat detection and incident response activitiesSupport investigations involving browser session activity, data protection events, and secure application access controlsMonitor, analyse, and respond to network security incidents, vulnerabilities, and emerging threatsSupport threat detection, containment, remediation, and post-incident reviewsEnsure network security controls remain effective, compliant, and aligned with evolving cyber threatsConduct security assessments, rule reviews, and network segmentation activitiesEnsure network architectures comply with security standards, secure-by-design principles, and software development lifecycle requirementsSupport the implementation of Zero Trust, defence-in-depth, and least privilege security modelsMaintain awareness of current industry threats, vulnerabilities, and security technologies Technologies: APIAnsibleBashCloudFirewallSupportITILNetworkPowerShellPythonSecurityTerraformVPNWeb More:
We are offering a Network Security Engineer role based in Knutsford with 3 days onsite. The contract runs for 4 months and is offered at up to £490 per day on an umbrella-only basis. Clearance required: BPSS. This role focuses on designing, implementing, securing, and optimising enterprise network security services across on-premises, cloud, and hybrid environments, with a strong emphasis on automation, continuous improvement, operational excellence, and modern Zero Trust security technologies. If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.
last updated 37 week of 2026