1 to 25 of 36 Firewall Jobs in the City of London

IT Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
least-privilege access , managing secrets through enterprise vault solutions such as CyberArk or Azure Key Vault . Work with network teams to validate firewall rules and required network paths. Collaborate with application owners, DBAs, and platform teams to schedule scans and troubleshoot connectivity issues. Maintain documentation, runbooks, and onboarding playbooks ...

Network Test Analyst

Hiring Organisation
NETSTONE GLOBAL LIMITED
Location
City of London, London, United Kingdom
Network infrastructure design from HLD/LLD ALM Test case management Defect Management, Reporting Design & Execute test plans & scripts to validate Routing Protocols, Switching, Firewall configurations, Network Segmentation across multiple domains Support the setup, configuration, and maintenance of test environments and lab infrastructure. Review and contribute to Test cases, Traceability ...

Cloud Architect

Hiring Organisation
Sonata Software
Location
City of London, London, United Kingdom
including: ExpressRoute (mandatory, primary connectivity) Site‐to‐Site VPN (secondary/DR) Design and govern: Network Security Groups (NSGs) User Defined Routes (UDRs) Azure Firewall and/or NVAs Architect secure ingress and egress using: Azure Load Balancer Application Gateway (WAF) Define DNS, routing, and traffic‐flow strategies ...

Solutions Engineer (Cyber)

Hiring Organisation
SER Limited
Location
City of London, United Kingdom
Employment Type
Permanent
Salary
£48000 - £55000/annum Hybrid Working
closely with clients and mentoring junior engineers What they’re looking for: Strong hands-on cyber security experience within an MSP or similar environment Firewall experience (Palo Alto, Fortinet) EDR/endpoint protection (Microsoft Defender, Sophos, Bitdefender) Network & cloud security knowledge (Azure, AWS, VPNs, VLANs, DNS) Incident response & vulnerability management ...

Senior Network Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
optimal performance and security. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Configure, deploy, and maintain Palo Alto Prisma Access firewall policies to ensure secure access to critical applications and data. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Monitor network performance ...

Network Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
join the team in London on an initial 6 month contract. The role will focus on the review of 1500 active servers within the firewall (Palo Alto) and ensure specific internet permissions/restrictions are applied correctly (amongst other things within their network environment). Required Skills/Experience: - Extensive ...

Network Engineer - Financial Services

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
leadership and guidance to other team members Deliver Level 3 network support and participate in an on-call rota Implement and support routing, switching, firewall, and SD-WAN solutions Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms Ensure network security, resilience, and high availability across ...

Lead Cloud Security Engineer (Azure)

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Security engineering - Excellent knowledge and experience in Azure cloud security engineering and implementation - Excellent knowledge of IS0 27002 standards - Excellent knowledge of network/firewall security preferred - Familiarity with DLP incident handling, remediation and reporting - Experience with the following products would be highly advantageous; Microsoft Defender for Endpoint, Thales, Crowdstrike ...

Technical Account Manager, Equities & FX

Hiring Organisation
OneChronos
Location
City of London, London, United Kingdom
onboarding and testing, ensuring adherence to MTF requirements and trading rules. Troubleshoot client connectivity or trading issues (including FIX sessions, TCP/IP connectivity, firewall or routing matters), escalating to technology & engineering teams where necessary. Trading & Market Technical Operations Monitor live trading activity and platform performance, ensuring seamless execution ...

Contact Center Engineer- UCCE

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Lead investigations involving SBCs, gateways, carriers, PSTN, and hybrid cloud/on‐prem voice paths . Collaborate with network and security teams on NAT, firewall rules, QoS, load balancing, and voice path optimization . Cisco UCCE/CVP/CUCM Responsibilities (Added Scope) Provide L3 operational and troubleshooting support ...

Senior Network Engineer

Hiring Organisation
Total IT Technology Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Drive complex network upgrades, migrations, integrations, and transformation projects. Technical Leadership , Team Lead & Escalation Act as the senior escalation point for complex routing, switching, firewall , and security issues. Provide expert-level troubleshooting within agreed SLAs and KPIs. Lead and coordinate the network engineering team, ensuring workload balance, prioritisation, and high … troubleshooting & optimisation IP addressing, subnets, VLANs, DNS, DHCP Diagnosing internet connectivity and performance issues Network monitoring and performance analysis tools Security & Firewalls Firewall configuration, administration, and troubleshooting Understanding of security standards and compliance frameworks VPN technologies, IDS/IPS, and secure network design The Candidate You will be a proactive ...

Test Lead

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £451/day
risk-based testing approach aligned to programme milestones. Manage full testing lifecycle including SIT, security testing, performance testing, and UAT support. Validate firewall rules, network segmentation, traffic flows, and HSCN connectivity (routing, failover, compliance). Assure WAF effectiveness by testing policies, signatures, and protection against common attack vectors. Track, manage ...

Workforce Optimization

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
more fulfilled. Multiskilled resources required. Having relevant experience. Well versed with Physical DC Infra and different OS or devices like Servers/Networks/Firewall/Storage etc. Vendor coordination, SLA management, reporting Location -London, UK Onsite role Workforce Optimization Job Description Profile/Role Description Expert level understanding ...

Automation Developer

Hiring Organisation
GlobalLogic
Location
City of London, London, United Kingdom
purpose in the 21st century. We are seeking a WAF Automation Developer (Consultant) to help product and platform teams onboard and manage web application firewall (WAF) protections using infrastructure-as-code. This role will focus on implementing and enhancing Terraform-based WAF configurations, integrating them into our GitLab workflows ...

Senior Security Analyst

Hiring Organisation
Arthur
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Senior Security Analyst/Security Engineer London (City) | £80,000–£90,000 | Permanent If you’re the kind of security engineer who can spot an active threat, contain it calmly, and then harden the environment ...

Network Engineer - DV Cleared

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
Role Summary: Job Title: Network Engineer (Mid, Senior, Lead) Job Type: Permanent Pay: £40,000 - £75,000 + Bonus + Benefits Benefits Summary: Private Pension, Healthcare, Mentoring opportunities Location: London - Hybrid working (3-5 days ...

OneTrust Integration Engineer

Hiring Organisation
RED Global
Location
City of London, London, United Kingdom
IT Engineer – OneTrust Data Discovery Integration Location: London (Hybrid – 3 days onsite) Type: Subcontractor, 6 Month Initial Contract We need a skilled IT Engineer to integrate OneTrust Data Discovery across systems handling personal data. You ...

Web Integration Engineer - Outside IR35

Hiring Organisation
Marcus Donald People Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 480 Daily
Contract Role: Web Integration Engineer (Cyber Security) Outside IR35 Up to £480 per day 12 month contract Hybrid: 2 3 days per week on-site A leading financial organisation is seeking a Web Integration Engineer ...

Cyber Security Engineer, Senior, SIEM - Hybrid, London 100k

Hiring Organisation
Langley James Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Cyber Security Engineer required by worldwide Asset Management Co ( near Bank station ), paying up to £100k + bonus + benefits. Hybrid role (3 days office-based). Join a focused 3-person IT Security team ...

Platform Administrator

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Platform Administrator London - 2 days in the office Up to £60,000 plus benefits This is a great opportunity to join a fast‐growing technology‐led organisation where you will play a key role in ...

AWS Platform Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Drive platform consistency by deploying all resources via CloudFormation (IaC) and Python/Shell scripts. Harden Security: Deploy advanced perimeter defenses using WAFv2, Network Firewall, and Firewall Manager. Optimize & Monitor: Maintain deep observability and cost efficiency using CloudWatch, Datadog, and CloudTrail. Govern Identity: Enforce strict least-privilege access across ...

Network Architect

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - 750 per day
Network Architect Contract Opportunity - London (1 day per month) - £700 - £725 Inside IR35 Morson Edge have partnered with a large retail client undergoing significant transformation, to recruit an experienced Network Architect to play a key ...

Senior DevOps Engineer (Product)

Hiring Organisation
Hive Science
Location
City of London, London, United Kingdom
Hive Science is a tech start-up whose technologies are in use by many of the world’s largest brands including Land Rover, Edward Jones & Kroger. The Hive platform is delivering novel intelligence at the ...

Technical Lead

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
Infrastructure (OCI) networking solutions across high‐impact programmes. Architect and implement core OCI networking services such as VCNs, routing, DRG, load balancers, WAF, Network Firewall, security segmentation, VPNs, peering, and zero‐trust networking. Support multi‐region and highly available architectures underpinning mission‐critical systems. Lead Infrastructure‐as‐Code delivery using … Engineer, or equivalent technical leadership position. Strong hands‐on capability with Oracle Cloud Infrastructure networking — including VCNs, DRG, routing, load balancers, NSGs, WAF, Network Firewall, VPNs, and multi‐region design. Practical experience with Infrastructure‐as‐Code (Terraform, CI/CD, automation pipelines). Strong understanding of cloud security frameworks, zero ...