1 to 25 of 32 Network Specialist Jobs

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 ...

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. You will work across complex network environments, driving stability, scalability, and security while enabling high-performance connectivity across the organisation. … 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 technical expertise across routing, switching, firewalls, and load balancing technologies – delivering scalable and reliable network infrastructure Strong understanding of routing protocols ...

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. You will work across complex network environments, driving stability, scalability, and security while enabling high-performance connectivity across the organisation. … 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 technical expertise across routing, switching, firewalls, and load balancing technologies – delivering scalable and reliable network infrastructure Strong understanding of routing protocols ...

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 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 deploymentsDatacentre cabling and racking of equipment Technical ...

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 ...

Network Specialist - Regional Planning & Optimization We are looking for a Network Specialist to join our RAN team. In this role, you will maintain radio network KPI metrics, conduct root-cause analyses, and directly resolve customer network issues to help deliver top-tier network … identify and resolve abnormal performance changes. Issue Resolution & Action Planning: Investigate customer-reported issues, raise/manage remedy incidents, execute RF tuning, and submit network investment requests when infrastructure upgrades are needed. AI & Data Analytics: Feed operational insights into AI algorithms for anomaly detection and leverage advanced data analytics ...

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 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. ...

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 … 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 ...

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 ...

Network Incident Manager/Technical Recovery Specialist | £75 per hour | Fully remote (4 day working week, 40 hour week) | Contract running until the end of June Our client is looking for an experienced Network Incident Manager to join a global network operations environment, providing technical leadership … during high severity network incidents. You need to be comfortable taking ownership in high-pressure situations, coordinating multiple technical teams and driving incidents through to full service restoration If you have a strong infrastructure and network background and have experience working in demanding corporate environments, this could ...

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 - 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 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. ...

Details Job Title: Research Specialist, Sustainable Network Optimisation Job Function: Product & Propositions Division: Networks Career Grade: D Job Location: GBR Bristol - Assembly, GBR Ipswich - A04 Adastral Pk Advertised Salary: Competitive with great benefits Closing Date: 28/09/2026 Posting Start Date: 14/09/… Posting End Date: 28/09/2026 About the role We're looking for a talented Research Specialist to join our Research and Network Strategy team, helping shape the future of AI-driven telecommunications. In this specialist technical role, you'll apply your expertise in Artificial ...

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 ...

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 ...

Title: Network Configuration Specialist Req ID: 62513 Job Function: Service Posting Start Date: 09/09/2026 Posting End Date: 21/09/2026 Division: UK Business Job Location: GBR Southampton-Cadnam New ATE Advertised Salary: Competitive + Benefits Career Grade: Internal Grade D - Competitive + … supporting and implementing efficient ways of working and cost reduction Essential 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 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 ...

global fashion brand is currently recruiting an IT Network & Security Senior Specialist to support the continued expansion of its European retail business. You will support the transition of IT services from the parent group and vendor-managed environments while ensuring secure and reliable operations across stores, warehouses, showrooms … offices. The ideal candidate should have extensive hands-on network engineering and cyber-security experience, strong expertise in Okta and Entra ID, and experience working across multi-site retail or office environments. (Ref: HY47661 - Please include this when making any enquiries.) Main Responsibilities Manage and scale EMEA network ...

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 ...

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 ...

Group is seeking a Network Configuration Specialist to design, configure and troubleshoot complex networks. You will translate customer needs into precise configurations, diagrams and procedures for field engineers and act as a technical escalation point. You will support deployments remotely and contribute to cost-efficient processes while maintaining ...

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 ...