126 to 150 of 1,259 Firewall Jobs in the UK

Security & Network Engineer - 12 months Fixed term

Location
Maidenhead, England, United Kingdom
Required Experience & Skills Over 5 years of experience in network engineering, infrastructure architecture, or systems engineering roles Proven hands‐on with enterprise network security: firewall architecture (Palo Alto, Fortinet, Cisco ASA), network segmentation, threat detection, compliance Strong understanding of DevSecOps principles and how to embed security into CI/ ...

Senior Security Analyst

Location
Greater London, England, United Kingdom
Zscaler Internet Access, Zscaler Private Access, and Zscaler Client Connector; investigate connectivity, authentication, policy‐enforcement, web‐access, and application‐access issues. Review Zscaler web, firewall, DNS, and access logs and implement approved changes involving URL filtering, cloud application controls, SSL/TLS inspection, data protection, remote access, and business exceptions. ...

Enterprise Onboarding Engineer

Location
Greater London, England, United Kingdom
specifically Active Directory, Microsoft Certificate Authority, Windows platforms servers and workstation is required. Experience working with Linux platforms is required. Experience with various webservers & firewall/load balancers software/platforms is required. Experience with Public Key Infrastructure (PKI), SSL, X509 is strongly recommended. Network infrastructure experience is strongly recommended. ...

Network Architect (we have office locations in Cambridge, Leeds and London)

Location
Greater London, England, United Kingdom
organisation. Experience with software-defined networking, SD-WAN, secure access service edge, network access control or zero-trust network access. Knowledge of AWS Network Firewall, Cloud WAN, VPC Lattice, Gateway Load Balancer and related network security or connectivity services. Experience designing connectivity for high-performance compute, large-scale storage, data ...

GA IT- Infrastructure Engineer Gardiner and Theobald LLP · London · Platform & Infrastructure £62,500–£79,875 e 13d ago

Location
Greater London, England, United Kingdom
Intune and Entra ID, including Microsoft Teams and telephony Managing patching and software deployment Supporting Azure Virtual Desktop Supporting network switching, wireless and firewall infrastructure Diagnosing and resolving connectivity, performance and VPN issues Carrying out routine network and firewall changes Working closely with the Service Desk on escalated incidents, providing … networking knowledge, including TCP/IP, DNS, DHCP, VLANs and VPNs, with the ability to troubleshoot complex connectivity issues Experience with enterprise switching and firewall platforms Experience supporting Windows desktop and server environments across on-premises and cloud-hosted infrastructure Practical PowerShell scripting experience A structured troubleshooting approach ...

IT Infrastructure Engineer

Hiring Organisation
Gardiner & Theobald LLP
Location
London, Fitzrovia, United Kingdom
Employment Type
Permanent
Intune and Entra ID, including Microsoft Teams and telephony. Managing patching and software deployment. Supporting Azure Virtual Desktop. Supporting network switching, wireless and firewall infrastructure. Diagnosing and resolving connectivity, performance and VPN issues. Carrying out routine network and firewall changes. Working closely with the Service Desk on escalated incidents, providing … networking knowledge, including TCP/IP, DNS, DHCP, VLANs and VPNs, with the ability to troubleshoot complex connectivity issues. Experience with enterprise switching and firewall platforms. Experience supporting Windows desktop and server environments across on-premises and cloud-hosted infrastructure. Practical PowerShell scripting experience. A structured troubleshooting approach ...

Systems Engineer

Location
Greater London, England, United Kingdom
Title: Systems Engineer Reports to: Client Technology Manager Department: Support UK Location: London, United Kingdom – Onsite Term: Full-Time, Salaried Hours: 9-6 PM GMT About Atlas Technica Atlas Technica’s mission is to shoulder ...

Lead Network Engineer

Location
Greater London, England, United Kingdom
Key Responsibilities Lead the design, implementation, maintenance, and optimisation of highly available, secure, and resilient LAN, WAN, wireless, data centre, remote-access, and cloud network services. Develop network architectures that integrate on-premises environments with ...

Systems Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
We are seeking a highly skilled and experienced Systems Engineer to join our Managed Services team. The Systems Engineer plays a critical role in providing advanced technical support, solving complex issues, and delivering strategic IT ...

3rd Line Engineer

Location
Worcester, England, United Kingdom
Full-time Permanent Mid-level Senior Posted 19 Aug 2026 Description Join the Team! At Spire Technology Group, we're more than just an IT provider. We're a trusted technology partner helping organisations across ...

IT Infrastructure Analyst

Hiring Organisation
Omnes Healthcare Limited
Location
Manchester, M3 5NA, United Kingdom
Salary
£34000.00
Job summary The IT Infrastructure Analyst is a senior technical role within the Technical Services team, responsible for maintaining, securing and continually improving Omnes Healthcare’s IT infrastructure across cloud and on-premises environments. The ...

IT Engineer (x2)

Hiring Organisation
Escape
Location
Edinburgh, Newbridge, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£36000 - £42000/annum Excellent Benefits
IT Support Engineer Edinburgh & surrounding areas | Hybrid £36,000-£42,000 DOE Are you an experienced IT Support Engineer who enjoys solving the problems that don't have an obvious answer? We're looking for ...

Lead Network Engineer DV Cleared

Location
Kingswood, England, United Kingdom
Experience: Active DV Clearance Extensive network engineering experience in enterprise, defence, service provider, or data centre environments Strong Cisco networking expertise, ideally CCNP certified Firewall and network security experience, ideally with Palo Alto technologies and PCNSE certification Experience with network design, implementation, and project delivery Knowledge of routing, switching, firewalls ...

Senior Network Specialist with Security and Cisco – City London

Location
City Of London, England, United Kingdom
Main Aspects of the role: Work within Infrastructure team in supporting and delivering all aspect of BAU and support services Design, build and implement firewall solutions from perimeter to DMZ roles Support IPS deployment for European branches Develop, maintain and deliver global standards to all networking devices Remediate Penetration Test ...

Cyber Security Consultant

Location
Greater London, England, United Kingdom
required Ability to manage your own workload across multiple customer environments Technical experience Windows Linux Active Directory TCP/IP and DNS Switching and firewall technologies Hyper-V and VMware OWASP Top 10 Vulnerability management Qualys, Nessus or similar Desirable: Cyber Essentials/Cyber Essentials Plus Assessor certification, a relevant ...

Senior Network Engineer

Hiring Organisation
Data Careers
Location
Droitwich, Worcestershire, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Cisco networking experience CCNP-level knowledge or equivalent hands-on experience Good routing and switching knowledge, including OSPF, BGP, EIGRP and QoS Hands-on firewall and VPN experience, ideally Cisco ASA/FTD Wireless experience, ideally Cisco Catalyst and/or Meraki Strong troubleshooting and analytical skills Confident communication skills ...

Security Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
premises and hybrid environments Working with engineering and security teams to embed security best practice Automating security tooling and SIEM log ingestion/routing Firewall and network security management Developing and maintaining security policies, standards and procedures Conducting infrastructure security assessments using tools such as CIS Benchmarks Supporting incident detection ...

IT Support Analyst

Hiring Organisation
E3 Recruitment
Location
Accrington, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
£16.00 - £20.51/hour Dependent on Experience
management, with a focus on file server roles, permissions and secure access. Manage and troubleshoot Meraki switches, wireless access points, VPN access and firewall rules to maintain reliable connectivity. Provide first-line support for Windows desktops and Microsoft 365 applications, resolving login, access, Office and Outlook issues. Log, prioritise ...

Infrastructure Architect with IAM experience

Location
Greater London, England, United Kingdom
Required Skills and Experience Strong technical knowledge including Microsoft technologies, Red Hat Linux, datacentre and cloud, enterprise networking: WAN/LAN/WLAN, routing, firewall, ID/IP/IPS, WAN optimization, proxy, VPN services, load balancing, and IT security. Experience designing, documenting, integrating, and managing complex infrastructure solutions across ...

Infrastructure Architect with IAM experience

Location
Greater London, England, United Kingdom
best practices. RequiredSkills and Experience Strongtechnical knowledge including Microsoft technologies, Red Hat Linux, datacentre and cloud, enterprise networking: WAN/LAN/WLAN, routing, firewall,ID/IP/IPS, WAN optimization, proxy, VPN services, load balancing, and ITsecurity. Experience designing, documenting, integrating, and managing complexinfrastructure solutions across on-premises ...

Interim Network Engineer

Hiring Organisation
Michael Page
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35
Experience with WAN technologies and SD-WAN solutions. Knowledge of VPN technologies, IPSEC and network security. Experience supporting Cisco and/or Palo Alto firewall environments. Strong troubleshooting and network analysis capabilities. Wireless networking design and support experience. Exposure to datacentre networking and Cisco Nexus technologies would be advantageous. ...

IdAM Engineer

Hiring Organisation
Guidant Global
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
/Certificate services Strong scripting capability, particularly with PowerShell , including automation development Experience administering DNS and DHCP services Good understanding of network protocols and firewall technologies Knowledge of system security principles and integration technologies Experience supporting disaster recovery planning and testing Familiarity with Microsoft Identity Manager (MIM)/Forefront Identity ...

M365 & Security Infrastructure Administrator

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Android, maintain compliance policies, set up Windows Autopilot, macOS Automated Device Enrollment and Apple Business Manager, and harden endpoints with BitLocker, FileVault, Firewall and ASR rules. Platform hardening: maintain security baselines across Exchange Online, SharePoint, OneDrive, Teams, Viva and Copilot, secure mail flow and OME, audit SPF, DKIM and DMARC ...

Infrastructure Systems & Cloud Manager

Location
Greater London, England, United Kingdom
premise data centers Lead and mentor teams of engineers, often in a hybrid or remote working environment Ensure adherence to security standards (patching, firewall management) and data privacy regulations such as GDPR Drive infrastructure automation and scalability using tools like Terraform Develop and execute Business Continuity and Disaster Recovery ...

Azure Platform Architect

Location
Slough, England, United Kingdom
hands-on knowledge across the following areas is essential: Bicep and Terraform Azure Landing Zones Hub-and-spoke and Virtual WAN networking ExpressRoute, Azure Firewall and Application Gateway Microsoft Entra ID, RBAC and PIM Azure Policy, Management Groups and subscription architecture Azure Migrate and associated discovery tooling Microsoft Defender ...