25 of 25 Senior Network Engineer Jobs in London

Senior Network Engineer

Hiring Organisation
Roc Technologies
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Network Engineer Juniper & Palo Alto Job Title: Senior Network Engineer Location: London/Hybrid Employment Type: Permanent Salary: £55k-£70k DOE About the Role We are seeking an experienced Senior Network Engineer with deep expertise in Juniper and Palo Alto … technologies to join our growing team. This is a hands-on technical position where youll take ownership of designing, implementing, and supporting complex network infrastructures across enterprise environments. Youll work closely with architecture, security, and operations teams to ensure high availability, strong security posture, and continuous service improvement. ...

Hybrid Senior Network Engineer: Low-Latency Trading Infra

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role : Senior Network Engineer Client: Elite global hedge fund Compensation : Top end base salary + bonus paid Location: Not Specified (Hybrid) Overview An elite global hedge fund are now seeking a Senior Network Engineer to work on it’s trading infrastructure. To apply … culture, and the opportunity to work on industry-leading networks within a high-frequency trading environment. Key responsibilities include: • Design, deploy and troubleshoot global network infrastructure • Design industry leading networks • Implement optimisations to build low latency network • Work on network redesign, expansion and upgrade • Support trading teams ...

Senior IT Network Engineer

Hiring Organisation
Sterling Bridge Limited
Location
Wallington, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
Role: Senior IT Network Engineer Location: South West London Salary: £40,000 £50,000 Established MSP | Project Delivery | Microsoft Cloud | Enterprise Networking Were working with a well-established Managed Service Provider (MSP) in South West London that delivers high-quality IT services to a broad portfolio … enterprise customers. Due to continued growth, they're looking to recruit a Senior IT Network Engineer to join their experienced technical team. This is an excellent opportunity for an experienced infrastructure and networking professional who enjoys combining hands-on technical support with project delivery. ...

Senior Network Engineer IT Infrastructure London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Network Engineer , you will own the design, delivery and ongoing optimisation of our corporate office network infrastructure globally. You will define the standards that govern how office networks are built, ensure consistent deployment across locations, and deliver reliable, secure connectivity that supports modern workplace technologies … This is a hands‐on, high‐impact role. You'll be the subject matter expert who turns business requirements into reliable, secure, and scalable network solutions, from greenfield office buildouts to major refits of existing sites. Network Design & Standards Define and maintain global network architecture standards ...

Senior Network Engineer - London, UK

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £747/day
Role: Senior Network Engineer Type: Contract (7 Months) Location: Bristol, Birmingham & London, UK Working Model: Hybrid (3 days per week in office) The Role We are seeking a highly hands-on Senior Network Automation Engineer to eliminate manual network configurations and drive Infrastructure … robust CI/CD pipelines for mission-critical Cisco data centers. What You'll Do Build and optimize CI/CD pipelines for automated network changes and migrations. Champion GitOps principles, treating Git as the ultimate source of truth with strict pipeline gates and automated rollbacks. Integrate automation seamlessly ...

Senior Network Engineer with Infrastructure as Code (IaC)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £747/day
Role: Senior Network Engineer with Infrastructure as Code (IaC) Type: Contract (6 Months) Location: Bristol, Birmingham & London, UK Working Model: Hybrid (3 days per week in office) The Role We are seeking a highly hands-on Senior Network Automation Engineer to eliminate manual network … robust CI/CD pipelines for mission-critical Cisco data centers. What You'll Do Build and optimize CI/CD pipelines for automated network changes and migrations. Champion GitOps principles, treating Git as the ultimate source of truth with strict pipeline gates and automated rollbacks. Integrate automation seamlessly ...

Senior Network Engineer Cloud, Security & Infra (Architect II - Cloud Infrastructure Services)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role Description Senior Network Engineer – Cloud, Security & Infrastructure Location: London (Hybrid) Employment Type: Permanent/Fixed-Term Contract Start Date: ASAP Build, Secure and Transform Enterprise Networks What You'll Be Doing: Network & Cloud Infrastructure Design, implement, and support enterprise and cloud networking solutions across … enhance F5 Load Balancers (LTM, GTM, ASM) to deliver high availability and performance. Manage Infoblox DNS, DHCP, and IPAM services to support efficient network operations. Security, Compliance & Risk Management Configure and manage security policies across Palo Alto, Check Point, Cisco ASA, and ForeScout platforms. Support the implementation of Zero ...

Senior Network Engineer

Hiring Organisation
CACI Network Services
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
CACI Network Services From our headquarters in London, we're busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe and India with over 1600 Full time employees … tomorrow's world, all while fostering a culture that allows employees to be their authentic selves and succeed in their careers. About Network Services CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting ...

Senior Network Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a Senior Network Engineer, your primary goal is to ensure the reliable, secure, and scalable operation of enterprise network infrastructure across both on‐premises … cloud environments. You will be part of a team responsible for network architecture, deployment, and operational readiness. You will play a key role in ensuring connectivity solutions align with performance, security, and availability requirements. The ideal candidate combines deep networking expertise with practical experience in cloud networking, compute platforms ...

Senior Network Engineer

Hiring Organisation
BOSS ERP Consulting
Location
London Area, United Kingdom
Senior Engineer - Networks & IT - London based - Office based Reports To: Head of Engineering Work Pattern: Full Time Summary of Role We are looking for an experienced Senior Engineer - Networks & IT to join a fast-paced Engineering team. This is a critical technical position responsible for ensuring … ensure studio and associated technologies, including NDI, Dante, automation, graphics and cloud-based platforms, operate correctly and efficiently. Manage and support a converged network and IT environment, including planning, design, optimisation, auditing and troubleshooting. Take ownership of IT and network-related projects and systems, including requirements gathering, ongoing ...

Senior Network Automation Engineer/Technical Lead (Cisco, Python, Ansible)

Hiring Organisation
WNTD
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 650 Daily
recruiting for an experienced Senior Network Automation Engineer/Technical Lead to join a major enterprise transformation programme with a leading financial services organisation based in London. This is a fantastic opportunity for a senior engineer who has led enterprise network automation initiatives … passionate about building scalable automation platforms, engineering standards and governance rather than simply developing individual scripts. The Role You will work closely with the network engineering team to design and implement a modern network automation framework that enables engineers to safely automate operational processes through reusable tooling ...

Senior Network Engineer - Hybrid Cloud & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise ...

Senior Network Engineer

Hiring Organisation
Defence
Location
Harlow, London, United Kingdom
Employment Type
Contract
client, a prominent player in the Defence & Security sector, is seeking a Security Cleared Senior Network Engineer on a contract basis to support the delivery and optimisation of Cisco ISE (Identity Services Engine) and enterprise wireless (Catalyst 9800) platforms. This hands-on role focuses on engineering, troubleshooting … implementation, particularly across secure network access (802.1X), policy enforcement, and wireless integration. You will play a key role in resolving complex issues, supporting upgrades, and ensuring stable, secure operation of critical network services. Key Responsibilities: Lead the design, build, and replacement of legacy Cisco Wireless infrastructure with modern ...

Senior Network and Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on‐premise and cloud environments. You will work across … usual operations, supporting critical trading platforms in a fast‐paced, regulated environment. Responsibilities Design, implement and maintain CMC Markets’ global LAN, WAN and cloud network infrastructure. Deliver network engineering and design for new initiatives, alongside ongoing BAU growth and optimisation. Monitor network performance, capacity and availability, providing ...

Senior Network Engineer UK Technology London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
forward-thinking Traders, we are proud to call ourselves an industry leader that keeps making markets and each other better. As a Sr. Network Engineer, you will be a member of the Network Engineering team. You’ll work as part of a tight-knight team responsible … technical, operational, and communication skills to deliver results across the trading platform. What You'll Do Design, implement, operate, and support CTC’s global network infrastructure Collaborate with traders, developers, operations teams, technologists, and management to deliver high-quality network solutions to real-world problems Take a data ...

Senior Network Engineer — Low-Latency Trading Infrastructure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Innovations, LLC in Greater London is seeking a Sr. Network Engineer to design and support their global network infrastructure. The role involves collaboration with various teams, solving network issues, and participating in on-call support. The ideal candidate will have extensive experience in low-latency architecture ...

Senior Network & Security Engineer — Global DC/Cloud

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Markets, located in Greater London, is searching for an experienced Senior Network & Security Engineer to design and support global network infrastructure. This role ensures high performance and security across both cloud and on-premise environments. The successful candidate will engage in project delivery and business ...

Senior Network Security Engineer - London (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hamilton Barnes Associates Limited in London is seeking a senior Network Security professional to join a fast‐moving technology and risk management environment. Reporting to the Head of Security, you will lead infrastructure and network security efforts within the London network security team and collaborate with ...

Senior Network Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
simple, to the large and complex, we want a life-long partnership, a company our clients and people can rely on. The Role: As Senior Network SecurityEngineer, you will be responsible for the end-to-end design and implementation of security solutions within clients. This will involve working … requires absolute delivery working under various conditions, often unsupervised on site with the client. Working as part of a virtual project team the project engineer would be responsible for the delivery and technical assurance of the entire implementation life cycle to deliver the agreed solution seamlessly. This may include ...

Senior WAN Network Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hudson River Trading (HRT) is seeking a Senior WAN Engineer with experience designing, deploying, and scaling high-capacity WAN to support our evolving HPC research and algorithmic trading application requirements. The WAN Engineering Team designs and engineers the Global Wide Area Network (WAN) Infrastructure that supports … centers and trading colos, enabling them to grow rapidly and operate at peak performance in support of HRT’s demanding computational workloads. Responsibilities Strategic network design, product selection, routing, configuration and troubleshooting for our next-generation WAN Work closely with our Networks and HPC Systems teams, among others ...

Senior C++ Network Engineer – Real-Time SDK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London Stock Exchange Group is seeking a Senior Software Engineer to design and develop a Real-Time SDK and related server-side infrastructure. The role involves infrastructure as code, deployment automation, and contributing to real-time financial content in a collaborative team. You will work across Windows ...

Senior Lead Software Engineer - Platform / Network Engineer - Accelerator Team

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands of our customers. You have a curious mindset, thrive in collaborative squads, and are passionate about new technology. By your nature ...

Senior Lead Software Engineer - Platform / Network Engineer - Accelerator Team

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
realize your potential. Our team is key to our success. We’re people‐first. We value collaboration, curiosity and commitment. As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands ...

Senior Network/ICT Engineer

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
experienced ICT Engineer ready to take ownership of complex, mission-critical designs across cutting-edge data centre projects? This is an opportunity to shape highly technical solutions, influence best practice, and play a key role in delivering integrated ICT systems at scale. What’s in It for You Technical … solutions that span structured cabling, active networks, security systems, and converged building technologies. Innovation & Best Practice – Stay at the forefront of ICT and network design by applying the latest technologies and standards, shaping technical outputs and continuously improving engineering methodologies. Leadership & Mentoring – Support and guide junior engineers, sharing expertise ...

Senior InfoSec Manager & Network Engineer Hybrid London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Gujral is recruiting for an Information Security Manager with hands-on Network Engineering skills in Central London. The role is hybrid, with 3 days in the office and a mix of remote work. You will manage the ISMS, oversee security policies, and drive risk-based cybersecurity measures across networks … systems. The ideal candidate brings 10+ years’ experience in information security and 5+ years in network engineering, with Cisco and firewall/VPN expertise and relevant certifications. #J-18808-Ljbffr ...