20 of 20 Permanent Firewall Jobs in the City of London

GICSP, AZ-500, SC-200, etc. will be added advantage. Required Experience: Advanced experience in Security technologies like (SIEM, PAM, IAM, PenTest, Threat Hunting, Firewall, Proxy etc.) preferably within a global IT services organization. Who we are As the third largest data center provider, we operate over 150 data centers ...

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 ...

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 ...

onducting:Internal and external infrastructu re testingWeb application securi ty testingSecurity assessments and auditsVulnerability identification and validationStrong understanding of networking concepts, protocols, routing and firewall tec hnologies.Experience working with Windows, Linux and macOS env ironments.Familiarity with security assessment tool s such as: Burp SuiteNessu sMet asploitNm apWireshark Experience producing high ...

STUN, and TURN traversal Lead investigation and resolution of BYOC, SBC, carrier, and PSTN interconnect issues Collaborate with network and security teams on NAT, firewall, QoS, and voice path optimization Architecture & Platform Engineering Design, review, and optimize: Architect call flows Routing strategies and interaction handling models Integration and failover patterns ...

remediation activities, prioritising actions based on business risk, threat actor behaviour and incident context. Review and redesign network architecture and security controls, including segmentation, firewall rules, and administrative access pathways, to reduce reinfection risk and improve resilience. Establish and support secure recovery environments and rebuild strategies, including isolated environments, backup … patching and vulnerability remediation, secure system rebuild, backup validation, and restoration of business-critical services. Solid understanding of network architecture and security, including segmentation, firewall design, administrative access paths, and the ability to review and redesign environments to reduce reinfection risk and improve resilience. Experience developing and delivering structured recovery ...

Senior Security Engineer, reporting to the IT Security Officer, you will work as part of a 3-person IT Security team. As the Senior Security Engineer, you should have at least 5 years security team ...

Lead Network Engineer Core technical skills: Cisco networking, Catalyst, Nexus, ISE, Palo Alto Firewalls, Prisma Access, Azure networking, SD-WAN. Hybrid working: 3 days per week required in the office in London. The role will ...

Group Overview Group Overview The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and ...

Group OverviewThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

Access policies aligned with Microsoft best practices. Embed zero trust and least privilege principles across all privileged roles and enterprise applications. Responsible for global firewall design and architecture. Architect and enhance privileged access management (PAM) capabilities, including approval workflows and continuous monitoring. Collaborate with Security to design Azure Policies … operation and hardening of multi-site Active Directory domains/forests and cloud identity components (Entra/Azure AD). Align IAM with Firewall, Micro‐Segmentation, NDR, Remote Access, and Certificate Management strategies. Assess IAM‐related vulnerabilities and design timely mitigations. Establish and maintain reference architectures, design standards, runbooks ...

Lead Network Engineer Core technical skills: Cisco networking, Catalyst, Nexus, ISE, Palo Alto Firewalls, Prisma Access, Azure networking, SD-WAN. Hybrid working: 3 days per week required in the office in London. The role will ...

We're hiring a Principal Platform Engineer to be a senior technical anchor in our Platform/Operations function. This is a 70% hands-on engineering role: you'll design, build, and operate the infrastructure ...

The Opportunity: As the Network Engineer, you will be a part of a team of network experts, managing the network delivery to completion and ensure hand-off to necessary support teams. You will administer aspects ...

Operations Support Manager - Banking/Financial Whilst the emphasis is on Team Lead/Managers role, ideal candidates will come from a Technical background in a Banking/Financial environment with experience of E-Trading ...

Cyber Security Engineer - Financial Services - £95,000 Location: London office - hybrid preferred - remote available Purpose Build, implement, and maintain the technical security controls that protect infrastructure, applications, and data. Key Responsibilities Implement and maintain security ...

Cloud Engineer (AWS) Location: Manchester and London (Hybrid) Salary: Up to £83,000 *SC Eligibility required* Are you an experienced Cloud Engineer passionate about building secure, scalable cloud solutions using AWS? This is an opportunity ...

Contract – Senior Network Security Architect Location: Kensington & Chelsea (onsite 3 days per week) Contract: 6 months | Inside IR35 Rate: Up to £800/day (dependent on experience) Start: ASAP Overview We’re looking for a ...

Design and Document Cloud Guard configuration Design and Document Security Zones setup Design and Document Security Advisor configuration Design and Document Web Application Firewall configuration Design and Document Security Audit setup Compartment Security Design and Define Compartment Security requirement Documenting Naming conventions and Tagging Compartments Defining the policy statement Required … patch requirement and processes Documentation of VSS requirements and processes security audit process definitions Network Security Public and Private subnet technical requirement definition WAF, Firewall and API Gateway Security rule definition Network related IAM policy definition Object Storage Security Secure network access definition for resources Identification and definition of Cloud ...

Head of Cyber Security Permanent £88,000-£97,000 London (Hybrid - 2 days onsite) 30 days holiday + 8% pension + other benefits A leading regulatory organisation is seeking an experienced Head of Cyber Security ...