1 to 25 of 87 DemandTrendContract Firewall Jobs in the UK

collaborative approach to supporting critical infrastructure. Key Responsibilities Provide hands-on support for LAN/WAN infrastructure across multiple sites Configure and troubleshoot Cisco switches and routers Assist with firewall rule changes and basic policy management (Palo Alto or similar) Support VPN and remote access solutions Monitor network performance and respond to alerts using tools like SolarWinds or PRTG Maintain More ❯

Microsoft cloud technologies to protect enterprise environments against evolving cyber threats. Key Responsibilities: Network Architecture & Security: Design and implement secure network infrastructures using Azure networking components (VNETs, NSGs, Azure Firewall, VPN Gateway, etc.). Integrate M365 security features (Defender for Office 365, Conditional Access, Secure Score) into enterprise environments. Conduct network segmentation and zero-trust architecture planning. Cloud & Hybrid Environments More ❯

Microsoft cloud technologies to protect enterprise environments against evolving cyber threats. Key Responsibilities: Network Architecture & Security: Design and implement secure network infrastructures using Azure networking components (VNETs, NSGs, Azure Firewall, VPN Gateway, etc.). Integrate M365 security features (Defender for Office 365, Conditional Access, Secure Score) into enterprise environments. Conduct network segmentation and zero-trust architecture planning. Cloud & Hybrid Environments More ❯

of applications from legacy to modern workplace infrastructure. Design secure server builds (CIS hardened images), application services, SQL environments, and high-availability solutions. Implement secure networking (Application Gateway, Azure Firewall, NSG). Configure point-to-site and site-to-site VPNs for power stations and offices. Collaborate with architects, vendors, and stakeholders to review and implement approved designs. Lead technical More ❯

the physical and technical implementation of the networking and security elements that will be deployed at Cabinet Office. . Maintain and enhance the network infrastructure services including switching, routing, Firewall by providing expertise and creating opportunities for others to share and practise your knowledge. . Carry out the patching and configuration of; Switches, Firewalls, WLAN infrastructure. . Work with cloud More ❯

Windows desktop, including all levels of troubleshooting. Extensive experience working with cloud, server, desktop, network and telephony providers. Good knowledge of networking - Layer2/3, dynamic routing, MPLS and firewall management. Good knowledge of IT security practices and the implementation of tools that provide MFA, DLP, proxy services, encryption, event logging and alerting. Able to provide input to, and technical More ❯

a government organisations. Knowledge of Windows System Update Service and DFS Replication. Linux system administration experience : building, hardening, and managing Linux operating systems. MS Active Directory configuration and management. Firewall and switch configuration and patch management. Understanding of network topologies and common network protocols and services (DNS, HTTP(S), SSH, FTP, SMTP ). Experience with Windows Group Policy Objects and More ❯

cause analysis, and implement long-term fixes. Maintain and document configurations, processes, and network topologies. Required Qualifications Extensive hands-on experience with F5 load balancers expertise. Strong experience with firewall platforms: Palo Alto Networks and CheckPoint. Strong experience in Zscalar is preferrable Solid understanding of networking protocols and concepts (TCP/IP, DNS, SSL/TLS, routing, etc.). Proficient More ❯

cause analysis, and implement long-term fixes. Maintain and document configurations, processes, and network topologies. Required Qualifications Extensive hands-on experience with F5 load balancers expertise. Strong experience with firewall platforms: Palo Alto Networks and CheckPoint. Strong experience in Zscalar is preferrable Solid understanding of networking protocols and concepts (TCP/IP, DNS, SSL/TLS, routing, etc.). Proficient More ❯

Proven track record in delivering cloud-focused IT projects Azure architecture, design, and security knowledge Windows Server 2016+, O365, SharePoint, Exchange experience Scripting and automation knowledge (PowerShell, Bash, etc.) Firewall, VPN, and secure service edge understanding Excellent communication skills and the ability to translate tech deliverables Benefits: 25 days holiday + bank holidays Enhanced pension Private healthcare Hybrid working Paid More ❯

architecture, including knowledge of Airwave, 3GPP MCX services, and E2E Quality of Service models. Experience designing network integration with public mobile networks and understanding of private APN routing, VPNs, firewall policies, and multi-zone DMZs. Strong knowledge of Cisco, Fortinet, Palo Alto, Juniper, or similar platforms. Experience with network configuration, PoC testing, integration validation, and security accreditation processes. Exceptional customer More ❯

risks, and respond to incidents—all while driving continuous improvement in our systems. Key Responsibilities SIEM Management: Monitor and optimize Security Information and Event Management (SIEM) tools like Splunk. Firewall & Proxy Audits: Review configurations and coordinate changes with infrastructure teams. Incident Response: Act as part of the Cyber Security Incident Response Team (CSIRT) to address threats. Compliance: Ensure alignment with More ❯

and performance tuning. Candidate Profile Essential Skills & Experience: Proven experience in data centre networking. Hands-on with MPLS, VPLS, and cross-connects. Strong routing protocol knowledge (OSPF, BGP). Firewall configuration and troubleshooting. Expertise with Mellanox and Meraki switches. VLAN segmentation, link aggregation, QoS strategies. Desirable Skills: Familiarity with automation tools (Ansible, Terraform). Experience with software-defined storage (Cloudian More ❯

and performance tuning. Candidate Profile Essential Skills & Experience: Proven experience in data centre networking. Hands-on with MPLS, VPLS, and cross-connects. Strong routing protocol knowledge (OSPF, BGP). Firewall configuration and troubleshooting. Expertise with Mellanox and Meraki switches. VLAN segmentation, link aggregation, QoS strategies. Desirable Skills: Familiarity with automation tools (Ansible, Terraform). Experience with software-defined storage (Cloudian More ❯

device management using Microsoft Intune, including App Management, Conditional Access, and App Protection Policies. A solid background in supporting and troubleshooting network infrastructure is vital, with knowledge of LAN, firewall, and Wi-Fi technologies; experience with Cisco Meraki would be advantageous. Please be advised that you will need the relevant RTW in the UK documents for this role. Closing date More ❯

projects in a highly regulated environment. The Role - As part of the security engineering team, you'll be: Delivering on the security portfolio, with a focus on SASE and firewall estates. Working within a SAFe Agile framework, participating in sprints and stand-ups. Managing and tracking workloads via Jira. Triaging customer requirements into actionable deliverables. Acting as an escalation engineer More ❯

Job Title: Firewall Engineer Location: London or Gloucester (Hybrid) Contract Type: 6 months, Inside IR35 Day Rate: £360 The Role Were looking for a skilled Firewall Engineer with active UK SC Clearance to join on a 6-month contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong … Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities Configure, implement, and manage firewall solutions across multi-vendor environments Review, optimise, and enforce firewall rules and policies Support migrations and replacement projects for firewall infrastructure Monitor traffic and logs, respond to incidents, and troubleshoot … performance issues Apply patches, firmware updates, and maintain HA firewall clusters Ensure compliance with frameworks such as ISO 27001, NIST, PCI-DSS Automate rule management/reporting where possible (Ansible, Python, APIs) Required Experience Strong hands-on experience configuring Palo Alto, Fortinet, Cisco ASA, Check Point firewalls Skilled in firewall rule tuning and optimisation Background in firewall migration projects and More ❯

Job Title: IT Infrastructure Engineer Contract Type: 12-Month Contract (Outside IR35) Location: Hybrid working, London Start Date: ASAP We are seeking a highly skilled IT Infrastructure Engineer to join a large organisation on a 12-month contract basis. This More ❯

for security standards are followed. Support project and operational teams with complex infrastructure issues. Essential Skills and Experience: Expertise in Windows, Linux Operating Systems Proficiency in load balancing and firewall configurations. Strong knowledge of network security principles and technologies. Demonstrated experience in large-scale, complex IT environments. Desirable Skills: Awareness of Project Management Processes. Basic understanding of Specific Security Applications. More ❯

for security standards are followed. Support project and operational teams with complex infrastructure issues. Essential Skills and Experience: Expertise in Windows, Linux Operating Systems Proficiency in load balancing and firewall configurations. Strong knowledge of network security principles and technologies. Demonstrated experience in large-scale, complex IT environments. Desirable Skills: Awareness of Project Management Processes. Basic understanding of Specific Security Applications. More ❯

Inside IR35) Location: Fully Remote (UK-based) We’re seeking a skilled WAF & Application Security Specialist to join a key client engagement. This role focuses on enhancing Web Application Firewall (WAF) capabilities across multiple platforms, with a strong emphasis on efficacy testing, rule creation, and tuning. Key Responsibilities: Design and implement custom WAF rules to address security gaps Conduct detailed More ❯

deployment, RAN planning & optimisation. CORE & Networking : Mobile 4G and 5G CORE, IP/MPLS, OSPF, BGP, VLANs, VRFs, DNS/DHCP, NAT. Security : IPSec, TLS, IAM, 3GPP Security Standards, Firewall policies. Cloud : AWS , Docker, OpenStack, CNFs/VNFs, SDN (optional). Edge and MEC : MEC deployment, edge orchestration, local breakout, latency optimisation. Integration : Enterprise system integration (IT/OT), interworking More ❯

Role We are seeking a highly skilled WAF Engineer to join our security engineering team and take responsibility for the configuration, tuning, monitoring, and optimisation of our Web Application Firewall (WAF). The successful candidate will work closely with developers, security analysts, and infrastructure teams to ensure applications remain protected against advanced web threats while minimising false positives and supporting More ❯

solve technical challenges.• Familiarity with Jira or similar project-tracking tools is a big plus Bonus Points For: • Field service or hardware engineering background.• Experience with routers, switches, and firewall configuration.• A natural ability to juggle priorities without breaking a sweat. Location: On-site, Paddock Wood Hours: Monday to Friday Salary: Up to £36,000 depending on experienceIf you love More ❯

CD security testing, model drift detection, audit logging Lab Environment Tooling Infrastructure-as-Code (IaC): Terraform, Pulumi Containerization & Orchestration: Docker, Kubernetes (GKE/AKS) Networking & Isolation: VPCs, private endpoints, firewall rules, network policies Data Sandboxing: Synthetic datasets, masking, DLP tooling Monitoring & Observability: Prometheus, Grafana, Cloud Logging More ❯