9 of 9 Network Architecture Jobs in the City of London

Security Analyst (Network & Support) Location - London (Hybrid) Duration - 6 Months (Initially) Rate - £450 (A day) IR35 - Outside IR35 Summary To be part of Digital Services, actively contributing as a member of the Infrastructure and Operations Team to support and develop the Network Infrastructure, Services, and Security. Provide 3rd line support for all wired, Wi-Fi, and remote access … network services to staff, students, contractors, and visitors. Act as a key point of reference in network security, contributing to the implementation, development, provisioning, and operational support of network dependencies. The post holder will be expected to support the designing, implementation, and maintenance of our client's Network Security Infrastructure to protect against cyber threats. Accountabilities … and Responsibilities Security Operations Support Serve as a reference point for network security across IT teams, providing guidance and specialised expertise on security measures. Conduct vulnerability assessments, security audits, and continuous monitoring of network traffic for anomalies using advanced security tools. Collaborate with IT teams to ensure security measures are integrated into network architecture and applications More ❯

design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture … environment and global technology platform Opportunities for professional development and advanced certifications A collaborative, high-trust culture that values expertise and innovation What You’ll Do As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading … operations and broader business initiatives across data centres, offices, and cloud environments. Key responsibilities include: Owning and supporting the global network and voice infrastructure Designing, implementing, and optimising secure, scalable network solutions Partnering with internal teams and external vendors to resolve complex network issues Leading infrastructure projects involving data centres, telephony, and cloud connectivity Performing proactive monitoring More ❯

Radius is seeking a Head of Networks to lead the strategy, design and implementation of both internal and customer Network infrastructures. The role ensures delivery of secure, resilient, and scalable network services that meet evolving business and security standards while delivering related products and services across EMEA. Oversee design, implementation and continuous improvement of Network architecture, driving innovation and scandalisation across the company. Act of my clients senior authority on network strategy, policy, and technical governance. Own network projects, including procurement, budgeting and security assessments Build manage and mentor a high performing network function Deep understanding of Juniper and Cisco networks. Deep understanding of Windows server, TCP/IP, routing, SANS, Active … directory, firewalls and system monitoring proven experience designing and managing resilient secure and high availability network environments supporting internal and customer services strong grasp of network security best practices and technologies including firewalls, segmentation, intrusion detection/prevention and encryption. More ❯

embedded throughout technology operations and architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce … privilege access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security hardening improvements. Vulnerability & Risk … frameworks such as ISO 27001, NIST, CIS, or SOC 2. Support audits, evidence collection, and compliance reporting (e.g., GDPR, PCI-DSS). Develop and maintain documentation for policies, procedures, architecture, and runbooks. Collaboration & Knowledge Sharing Work with IT operations, cloud, and development teams to embed security in system and application designs. Provide expert security guidance during solution design, procurement More ❯

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an … focused team with a chance to work on the most cutting edge technologies on the planet Skills: CCIE or CCNP certifications in R&S/Enterprise Infrastructure Experience in network architecture, design, deployment, etc. where scale and latency are important Exposure to RF Technology is a huge plus Multicast experience is also a huge plus Strong routing & switching … experience Linux experience Network automation experience (Python or Ansible) Experience working in a multivendor environment If you're interested, you can apply directly or email me at hkim@hunterbond.com More ❯

We are seeking a proactive and experienced IT Operations Specialist to establish and manage IT infrastructure, systems, and support services for our growing UK operation and our expanding network of international offices (including locations such as Dubai, New York, and South Africa). As our first dedicated IT hire in the UK, this role requires someone who is both … tech operations across locations. Your key responsibilities will include: • Establish and maintain IT systems, devices, user accounts, and software platforms across UK and international offices. • Design and manage secure network architecture (VLANs, Active Directory, DNS/DHCP configurations). • Implement and oversee endpoint and enterprise security measures, enforce security policies, and ensure up-to-date compliance with regulatory … Bachelor’s in Computer Science, Information Technology, Electrical & Electronics Engineering, or a related technical field. • Experience in IT, including experience in a leadership or management role. • CCNA (Cisco Certified Network Associate) • Microsoft Certified: Azure Security Engineer Associate • CompTIA Security+ • ISC2 Certified in Cybersecurity (CC) or other relevant cybersecurity or cloud certifications Benefits and Perks of working for SFI Agri More ❯

years of progressive experience in infrastructure management, with a proven track record of success in leading large-scale projects. Deep expertise in cloud technologies (AWS, Azure, GCP), virtualization, and network architecture. A strong understanding of security best practices and compliance regulations. Proven ability to lead and mentor high-performing teams, fostering a culture of collaboration and innovation. Excellent communication More ❯

mainly prime brokers. Their success is due to investment in technology, their ability to attract the best talent in major cities globally and their continued development of low-latency network architecture. The Technical Support Analyst will be responsible for: Smart order routing, European gateway and exchange connectivity support. Algorithmic trade support. Work with front-office users to provide 1st More ❯

endpoint protection. Maintain clear documentation of breaches, assessments, and remediation actions. Conduct vulnerability testing, penetration testing, and risk assessments. Collaborate with the IT Security Manager to identify and mitigate network vulnerabilities. Analyse logs from multiple sources to detect and respond to abnormal activity. Assist with internal and external security audits and compliance reviews. Evaluate and recommend improvements to enhance … s cyber-security framework and strategy. Skills and Experience Essential: Degree in Cyber Security, Computer Science, or equivalent experience. Proven experience within a SOC (Security Operations Centre) or NOC (Network Operations Centre). Strong understanding of incident response methodologies and the MITRE ATT&CK framework. Experience using SIEM, IDS/IPS, vulnerability scanners, and Azure security tools. Technical expertise … in Microsoft Defender, EDR (Endpoint Detection and Response), and network architecture. Practical experience managing cyber incidents and implementing secure configurations. Excellent analytical and problem-solving skills, with clear documentation and communication abilities. Familiarity with NIST, ISO 27001, and CIS Controls frameworks. Ability to work under pressure, prioritise effectively, and maintain attention to detail. Desirable: Professional certifications such as GSEC More ❯