26 to 50 of 131 Firewall Jobs in London

Security Infrastructure Engineer

Hiring Organisation
Marshall Wolfe
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Controls, or similar security frameworks. Security certifications such as CISSP, SSCP, GIAC, or Microsoft Security certifications. Experience with Palo Alto or other next-generation firewall technologies. Hands-on experience with XDR platforms and threat investigation. Experience supporting enterprise-scale hybrid infrastructure environments. Please apply with your CV in the first ...

IT Network Manager

Hiring Organisation
MFK Recruitment
Location
W6, Hammersmith, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
infrastructure estate Act as the senior escalation point for complex 3rd and 4th line issues Lead on wired and wireless networking, switching, routing and firewall configuration Support and develop both on-prem and cloud infrastructure Manage Active Directory, Azure AD and core identity services Oversee Microsoft 365, including Exchange, SharePoint ...

IAM Architect (Entra ID)

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
authentication and authorisation patterns (OpenID Connect, SAML, OAuth, Kerberos, LDAP). - Embed Zero Trust and least-privilege principles across systems and applications. - Own global firewall architecture and contribute to micro-segmentation and network security strategy. - Enhance privileged access management (PAM), including workflow and monitoring capabilities. - Ensure audit readiness and contribute ...

Senior Network Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
remediation activities including maintenance windows and pre/post validations across multiple stakeholders, including business application owners, multiple infrastructure teams (Unix, Load Balancer, Firewall, etc.), security teams, and all relevant third‐party vendors (Cisco/Arista, etc.). Maintain high availability and resilience of business‐critical services while improving network ...

IT Infrastructure and Operations Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
background across cloud, networking and end user computing. Experience supporting Azure and AWS environments. Knowledge of Windows 11, Microsoft 365, Teams Telephony, DNS and firewall technologies. Experience managing service delivery within complex environments. Strong stakeholder management and leadership skills. Ability to work in a fast paced operational environment. Desirable Experience ...

Enterprise Architect - Virtualization

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tuning. Storage: vSAN design and sizing, stretched clusters, storage policy‐based management. Networking: NSX‐T/NSX‐V network virtualization, micro‐segmentation, and distributed firewall design. Platform: VMware Cloud Foundation (VCF) deployment and lifecycle management. DR & VDI: Site Recovery Manager design; Horizon VDI architecture is a plus. OpenShift: OpenShift Container ...

Network Design Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£670 - £700/day £670 - £700
technical stakeholders at all levels Strong understandingof network security best practices Nice to Have Cisco Fabric (ACI) Juniper and/or Arista CCIE certification Firewall migrationprogrammes Data centretransformation or network modernisation experience Trading platform experience Immediatelyavailable or able to start at short notice If you're interestedin this role, click ...

Network Design Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£670 - £700 per day
technical stakeholders at all levels Strong understandingof network security best practices Nice to Have Cisco Fabric (ACI) Juniper and/or Arista CCIE certification Firewall migrationprogrammes Data centretransformation or network modernisation experience Trading platform experience Immediatelyavailable or able to start at short notice If you're interestedin this role, click ...

Zero Turst Consultant

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Zero Trust solutions with identity providers, SIEM/SOAR systems, endpoint platforms, and data repositories. Assisting infrastructure teams in migrating legacy VPN, proxy, and firewall solutions to cloud native Zero Trust models, and supporting secure network and data migration activities. Participating in proof-of-concept evaluations and technical validation sessions ...

Solution Designer – PAM/PAW

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Practical understanding of PAM and PAW concepts and implementation considerations. Experience designing secure access solutions for privileged users and administrators. Understanding of network access, firewall rules, remote access, jump servers, hardened workstations, and administrative access paths. Ability to produce clear, detailed, and implementation-ready technical documentation. Experience working with architects ...

Zero Turst Consultant

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Zero Trust solutions with identity providers, SIEM/SOAR systems, endpoint platforms, and data repositories. Assisting infrastructure teams in migrating legacy VPN, proxy, and firewall solutions to cloud native Zero Trust models, and supporting secure network and data migration activities. Participating in proof-of-concept evaluations and technical validation sessions ...

Solution Designer - PAM/PAW

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £675/day Inside IR35
Practical understanding of PAM and PAW concepts and implementation considerations. Experience designing secure access solutions for privileged users and administrators. Understanding of network access, firewall rules, remote access, jump servers, hardened workstations, and administrative access paths. Ability to produce clear, detailed, and implementation-ready technical documentation. Experience working with architects ...

Senior Network & Infrastructure Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Senior Engineer | Leicester | Hybrid | £50,000-£60,000 About the Role: Looking to move out of London? We're partnering with a highly reputable company based just outside of Leicester to find a talented Senior ...

Senior Network Security Architect - SDA & Data Center Revamp

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security hardening. You will assess, design, and implement secure, scalable solutions across data center, hosted, and edge environments. The role focuses on SDA optimization, firewall policy alignment, Check Point replacement, and routing enhancements, requiring deep Cisco expertise and strong governance collaboration. #J-18808-Ljbffr ...

DevOps Engineer

Hiring Organisation
VIQU IT
Location
London, Bishopsgate, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Inside IR35
Thorough experience with Infrastructure as Code (IaC) such as Terraform Essential Criteria • Foundational knowledge of networking including network protocols, DNS, VPN, Load Balancing and Firewall • Kubernetes clusters and containerised environments • Experience with Prometheus, Grafana, Dynatrace, AppDynamics, Splunk, or AIOps on Azure Cloud or any similar observability tooling • Experience ...

DDI Engineer (Infoblox/BlueCat/VitalQIP)

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £560 per day
built, engineered, migrated and supported enterprise DDI environments, not someone whose DNS/DHCP experience has come purely through network security or firewall products. Key Responsibilities: Engineer, deploy and maintain enterprise DDI platforms, including Infoblox, Cygna Labs QIP and/or VitalQIP. Design and administer enterprise DNS, DHCP and IPAM ...

DDI Engineer (Infoblox/BlueCat/VitalQIP)

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £560 per day
built, engineered, migrated and supported enterprise DDI environments, not someone whose DNS/DHCP experience has come purely through network security or firewall products. Key Responsibilities: Engineer, deploy and maintain enterprise DDI platforms, including Infoblox, Cygna Labs QIP and/or VitalQIP. Design and administer enterprise DNS, DHCP and IPAM ...

TechOps Lead

Hiring Organisation
ACS Performance
Location
South Croydon, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
CCTV, ANPR, or similar infrastructure is advantageous Technical Skills Strong networking knowledge (IP, VLANs, VPNs, DNS, DHCP, firewalls) Experience with routers, switches, and firewall ...

Azure DevOps Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
protection and bot mitigation Analyse WAF rules, manage false positives, and work with stakeholders to refine policies Define and enforce Azure Policies for consistent firewall and network security standards Secure AKS environments, including container scanning, alerting, and remediation Transition from Azure security defaults to structured Conditional Access policies with staged ...

Contract Network Security Engineer — Firewalls & BAU

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Central London. The role involves BAU operational support with a focus on network security technologies, particularly firewalls. Responsibilities include managing ITSM tickets, implementing firewall rules, and collaborating with teams. Candidates should have hands-on experience with Fortigate, Check Point, and Palo Alto firewalls. The role requires being onsite 3 days ...

Cloud Infrastructure Engineer

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 per annum
practice across the Azure estate. Implement monitoring and lead incident response. Experience required: Strong hands-on Azure experience — PaaS, networking (VNETs, NSGs, Application Gateway, Firewall), containerisation and data services. Infrastructure-as-Code experience with Terraform and/or Bicep, plus Azure DevOps pipelines. Experience with M365 administration and AVD. Comfortable ...

Production Specialist - Security Ops

Hiring Organisation
Oscar Associates Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
USD 85 - 95 Hourly
Services operations team as the technical go to person for business impacting network incidents. This is a hands on role covering Proxy, Content Inspection, Firewall, and Data Loss Prevention (DLP) technologies. You'll need a solid grounding in networking protocols, troubleshooting methodology, and both proactive and reactive tooling. Key responsibilities ...

Software Engineering Technical Leader, Backend Services - Isovalent

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Cilium and eBPF. Cisco Secure Workload is a flagship security product offering workload protection, micro‐segmentation, and is part of the Hybrid Mesh Firewall solution. Cisco Isovalent and Cisco Secure Workload are together building the next generation of products for securing workloads and AI infrastructure. We believe in fostering ...

Vice President, Business Information Security Officer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
style.* A deep understanding of IT and Cyber Security: + Defence in Depth model. + Network defence, IDS and DMZ + Network protocols and firewall standards + Detective monitoring – SIEM + Vulnerability Management + Access and Privileged Access Management* Experienced in writing and maintaining IT documents, such as standards ...

Networking & Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
We are seeking a hands‐on Infrastructure & Security Engineer with deep expertise across security architecture, server, and network domains. Security is the core priority of this role. The successful candidate will take a leading part ...