1 to 25 of 29 Permanent Network Specialist Jobs in the UK

Senior Firewall Network Specialist

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Network Security Specialist – Quantitative Trading – 100,000-160,000 + 20,000-35,000Quant Capital is urgently looking for an experienced Network Security Specialist to join one of the most prestigious trading companies globally. This role sits in an experienced London team but with global collaboration. … work is interesting but intense however there will be no long hours in this well-resourced and efficient team. As a Network Security Specialist, you will help maintain the highest level of service and ensure the business's network security is ahead of the business requirements, whilst ...

Network Specialist Engg

Location
Knutsford, England, United Kingdom
also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave. Join Barclays as a Network Specialist Engineer and play a key role in designing, implementing, and supporting resilient enterprise network solutions that underpin critical business services. … will work across complex network environments, driving stability, scalability, and security while enabling high-performance connectivity across the organisation. To be successful as a Network Specialist Engineer, you should have experience with: Proven experience designing and implementing medium to large-scale enterprise network solutions, with deep ...

Network Security Specialist

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Network Security Specialist – Quantitative Trading4 days in officeQuant Capital is urgently looking for an experienced Network Security Specialist to join one of the most prestigious trading companies globally. This role sits in an experienced London team but with global collaboration. The work is interesting but intense … however there will be no long hours in this well-resourced and efficient team.As a Network Security Specialist, you will help maintain the highest level of service and ensure the business’s network security is ahead of the business requirements, whilst also pushing standardisation through automation.My client ...

Network Security Specialist

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Network Security Specialist – Quantitative Trading4 days in officeQuant Capital is urgently looking for an experienced Network Security Specialist to join one of the most prestigious trading companies globally. This role sits in an experienced London team but with global collaboration. The work is interesting but intense … however there will be no long hours in this well-resourced and efficient team. As a Network Security Specialist, you will help maintain the highest level of service and ensure the business's network security is ahead of the business requirements, whilst also pushing standardisation through automation. ...

Senior Network Specialist with Security and Cisco – City London

Location
City Of London, England, United Kingdom
Senior Network Specialist with Security and Cisco - City London Our Client urgently requires a Senior Network Specialist with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with … Support IPS deployment for European branches Develop, maintain and deliver global standards to all networking devices Remediate Penetration Test results Ensure seamless migration of network estate to newly adopted security framework General Skills Experience working within mission-critical environments Experience in operational deployments Datacentre cabling and racking of equipment ...

Network Specialist - ULL

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
Position Overview:The role of the Ultra Low Latency Network Specialist is to ensure the stability and integrity of all aspects that comprise the Squarepoint global trading collocation network which includes infrastructure in 30 data centre sites across AMER, APAC and EMEA.The Ultra Low Latency Network Specialist will oversee and participate with the installation, monitoring, maintenance, support, optimization, and documentation of all network hardware, security hardware, software and connectivity. This includes managing multiple projects and configuring/optimizing the network to ensure ultra-low latency is achieved for intraday trading and direct ...

Senior Network Security Specialist

Location
Greater London, England, United Kingdom
Senior Network Security Specialist**Shift Pattern:**Standard 40 Hour Week (United Kingdom)**Scheduled Weekly Hours:**40**Corporate Grade:**D - Assistant Vice President**Reporting Line:**(UK Division) Information Technology**Location:**UK-London**Worker Type:**Permanent**About the London Metal Exchange**The London Metal Exchange (LME) is the world centre … risk, as a physical market of last resort and as the provider of transparent global reference prices.**Overall Purpose of Role**As a Senior Network Security Specialist, you will design, implement and govern the network security controls that protect our modern, high‐performance enterprise network. You will ...

Network Security Specialist – Quantitative Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Network Security Specialist – Quantitative Trading120,000-160,000Quant Capital is urgently looking for an experienced Network Security Specialist to join one of the most prestigious trading companies globally. This role sits in an experienced London team but with global collaboration. The work is interesting but intense … however there will be no long hours in this well-resourced and efficient team.As a Network Security Specialist, you will help maintain the highest level of service and ensure the business’s network security is ahead of the business requirements, whilst also pushing standardisation through automation.My client ...

Network Specialist - Core

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
Position Overview:Squarepoint is looking for a highly skilled and detail-oriented Network Core Specialist to architect, develop, optimize and secure scalable networks for Datacenter, Campus and Cloud infrastructures.The Network Core Specialist is part of a team that work closely with stakeholders, software engineers and other … infrastructure teams to design enterprise network solutions that align with Squarepoint business objectives in a timely manner and ensure high availability and performance.Design and implement scalable, highly available and deterministic network solutions in a multi-vendor enterprise environments (LAN, WAN, DC, Campus and Cloud).Translate business requirements into ...

Senior Network Specialist – Quant Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Senior Network Specialist – Quant Trading 4 Days in the OfficeQuant Capital is urgently looking for an experienced Network Engineer to join one of the most prestigious trading companies globally. This role sits in an experienced London team that is currently designing and deploying new network topology … support a world class trading environment. The role of the Network Engineer is to ensure the stability and integrity of all aspects that comprise the global trading network which includes the regional data centers, collocated infrastructure in 3rd party data centers and various cloud service providers.This includes managing ...

Senior Systems Engineer (Network Technologies Specialist)

Hiring Organisation
Trusted Technology Partnership
Location
Ringwood, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Senior Systems Engineer (Network Technologies Specialist) Location: Ringwood, Hampshire Salary: £45,000 - £55,000 Hours: 37.5 hours per week The Role We are looking for an experienced Senior Systems Engineer (Network Technologies Specialist) with a keen interest in designing and delivering high-quality network solutions. … firewalls, and routing solutions. Strong knowledge of enterprise networking technologies, including switching, routing, firewalling, and wireless infrastructure. In-depth experience working with enterprise-grade network hardware. Solid understanding of network protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, and MPLS. Experience with cloud networking ...

Network Engineering Specialist

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
Network Engineering Specialist - Regional Planning & Optimisation Location: UK-based (London, Bristol, Birmingham, Manchester, Ipswich, or Glasgow) Contract: 6 Months (Inside IR35) Clearance: BPSS Required Working Hours: 37.5 hours/week (Shift pattern covering 08:00-20:00 Mon-Fri, and 08:30-17:00 Weekends/Bank Holidays … About the Role We are seeking a Performance Specialist to join our Regional Planning & Optimisation team. You will be responsible for maintaining radio network KPI metrics, investigating and resolving customer issues, and driving continuous improvements to ensure top-tier network performance and an excellent subscriber experience. ...

Network Development Specialist (Software Design)

Location
Birmingham, England, United Kingdom
Description Job Title: Network Development Specialist (Software Design) Job Function: Engineering Division: Networks Job Location: GBR Ipswich - Adastral Hub, GBR-Birmingham-Three Snowhill Advertised Salary: Competitive with great benefits Locations: Birmingham or Ipswich Why this job matters Our internal Networks unit is responsible for designing, building and running … on. Across our fibre, mobile, WiFi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise ...

Network Development Specialist (Software Design)

Location
Ipswich, England, United Kingdom
Description Job Title: Network Development Specialist (Software Design) Job Function: Engineering Division: Networks Job Location: GBR Ipswich - Adastral Hub, GBR-Birmingham-Three Snowhill Advertised Salary: Competitive with great benefits Locations: Birmingham or Ipswich Why this job matters Our internal Networks unit is responsible for designing, building and running … on. Across our fibre, mobile, WiFi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise ...

Network Specialist

Location
Knutsford, England, United Kingdom
Design, implement, and support resilient enterprise network solutions underpinning critical business services Build, deliver, and maintain high-quality infrastructure solutions Monitor IT infrastructure and system performance to identify, address, and resolve issues, vulnerabilities, or outages Develop and implement automated tasks and processes using scripting/coding disciplines Implement secure … analytical thought and research Build and maintain stakeholder partnerships to achieve business objectives Requirements Proven experience designing and implementing medium to large-scale enterprise network solutions Deep technical expertise across routing, switching, firewalls, and load balancing technologies Strong understanding of BGP, OSPF, and EIGRP Experience troubleshooting complex network ...

Network Security Specialist

Location
Sheffield, England, United Kingdom
Description Job Title: Network Security Specialist Job Function: Cyber Security Job Location: GBR Sheffield Endeavour Advertised Salary: Competitive + Benefits About the role This role exists to provide specialist technical support on complex network security operations for our UK secure contracts. Utilising Network Security, Firewall ...

Senior Network Security & Cisco Specialist – London

Location
Greater London, England, United Kingdom
Onyx-Conseil in London seeks a Senior Network Specialist with deep Cisco and security expertise to design, implement and support secure network solutions. The role is predominantly BAU with design input, covering firewall deployments, DMZ, VPN, high availability and remediation of security findings. Contract ...

Network Security Specialist

Location
Greater London, England, United Kingdom
## Network Security SpecialistApplylocations: Amsterdam: Londontime type: Full timeposted on: Posted Todayjob requisition id: REQ\_00038533# **ABOUT US**We’re building Tomorrow’s Connections Today, bringing people together through the power of our technology.Liberty Global is a world leader in converged broadband, video and mobile communications and an active … force for good; for our people, our partners and the planet.# # **JOB PURPOSE**You will assure that our core and global tier-1 network has sound and industry best practice security protection and that the security of these products are monitored.The role will work closely together with Liberty ...

Network Development Specialist (Software Design)

Hiring Organisation
Appcast
Location
London, UK
rely on.Across our fibre, mobile, WiFi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise … built a team of the world’s best communications technology experts. Our engineers have achieved extraordinary things: constantly upgrading and reimagining the network to stay ahead of the game, innovating using the latest network cloud, AI, virtualisation and advanced optical tech to build and maintain our world class ...

Network Development Specialist (Software Design)

Hiring Organisation
BT Group
Location
Ipswich, Suffolk, United Kingdom
Salary
£ 70 K
rely on.Across our fibre, mobile, WiFi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise … built a team of the world’s best communications technology experts. Our engineers have achieved extraordinary things: constantly upgrading and reimagining the network to stay ahead of the game, innovating using the latest network cloud, AI, virtualisation and advanced optical tech to build and maintain our world class ...

Network Security Specialist

Hiring Organisation
Liberty Global
Location
London, United Kingdom
Salary
£ 80 K
technology as a force for good; for our people, our partners and the planet.JOB PURPOSEYou will assure that our core and global tier-1 network has sound and industry best practice security protection and that the security of these products are monitored.The role will work closely together with Liberty … Global core network architects, engineering and operational and global security teams to identify improvements and drive Network Hygiene security improvements and provide specialized skills in case of investigations.The role includes the ability to translate security findings or deficiencies to security risks and advise the organization on blocking issues ...

Network Security Specialist

Hiring Organisation
Liberty Global
Location
London, UK
Employment Type
Full-time
force for good; for our people, our partners and the planet. JOB PURPOSEYou will assure that our core and global tier-1 network has sound and industry best practice security protection and that the security of these products are monitored. The role will work closely together with Liberty Global … core network architects, engineering and operational and global security teams to identify improvements and drive Network Hygiene security improvements and provide specialized skills in case of investigations. The role includes the ability to translate security findings or deficiencies to security risks and advise the organization on blocking issues ...

Enterprise Network Specialist — SDN & Automation

Location
Knutsford, England, United Kingdom
Jobtailor in the United Kingdom seeks a Senior Enterprise Network Architect to design, implement, and support resilient networks underpinning critical services. You will build, deliver, and maintain high-quality infrastructure solutions and monitor performance to prevent outages. Collaborate with product managers, architects and engineers to define infrastructure requirements, advise ...

Network Configuration Specialist

Location
Southampton, England, United Kingdom
Actively supporting and implementing efficient ways of working and cost reductionEssential Skills/Experience• Exisiting, or ability to gain Government Security Clearance and NPPV3• Network design, configuration and implemetation skills/accreditations• Troubleshooting customer network deployments• Vendors include Cisco, Fortinet, Draytek, Meraki, Juniper, Palo Alto, Aruba• Proactive continual ...

Network & Infrastructure Tooling / Automation Specialist/ Architect - freelance - hybrid, London, UK

Location
Greater London, England, United Kingdom
Senior technologist with deep expertise in designing, building, and governing network and infrastructure tooling platforms that enable scalable, reliable, and compliant enterprise environments. Proven experience defining automation strategy, control frameworks, and operating models that abstract complex network and infrastructure estates into consumable, repeatable services. Strong background in financial … strategy and reference architectures aligned with platform engineering and DevOps principles. Design modular, API-driven tooling layers that decouple intent, policy, and execution across network and infrastructure domains. Establish standards for tool selection, integration, versioning, and lifecycle management. Align tooling strategy with regulatory, risk, and operational resilience requirements. Network ...