1 to 25 of 73 Network Specialist Jobs

Network Specialist

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Network Specialist Location: Remote with fortnightly trips to London Clearance required: SC We are seeking an experienced Network Specialist to support the design, build, automation, and management of secure enterprise and data centre networks within a high-profile defence environment. This role requires an individual with … active SC Clearance and a strong background in network engineering, firewall management, and automation. Key Responsibilities: Design, implement, and support secure data centre network solutions. Manage and maintain Palo Alto firewalls and Cisco switching infrastructure . Develop and utilise network automation tools and scripting to improve efficiency ...

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 ...

Specialist - Network & Premise Inventory

Location
United Kingdom
looking for a Specialist - Network and Premise Inventory to join us in Bradford.**The Specialist - Network & Premise Inventory is the functional expert for Network and Premise Inventory services, providing specialist support to both operational delivery and service development activities. The role ensures inventory processes … customer and business requirements, while supporting service enhancements, resolving complex operational issues and driving consistency across the function. Through coaching and knowledge sharing, the Specialist helps build capability and embed best practice across the wider team. **What will you be doing? Functional Expertise*** Act as the subject matter expert ...

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, UK
Employment Type
Full-time
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 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 The London Metal Exchange (LME) is the world centre for industrial metals trading. Most … price risk, as a physical market of last resort and as the provider of transparent global reference prices. Overall Purpose of Role As a Network Security Specialist, you will help design, implement and govern the network security controls that protect our modern, high‐performance enterprise network. ...

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, UK
Employment Type
Full-time
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. ...

Network Specialist - Core

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, UK
Employment Type
Full-time
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

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
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 Engineering specialist

Location
West of England, England, United Kingdom
Network Engineering Specialist Location: London or Bristol (Hybrid) Contract: 6 Months Security Clearance: BPSS Required Start Date: ASAP The Opportunity We're partnering with a leading telecommunications organisation at the forefront of critical national infrastructure to recruit an experienced ESN Specialist - RAN . This is an exciting … opportunity to play a key role in the optimisation and performance of a high-profile Emergency Services Network (ESN) , ensuring exceptional service availability and user experience for mission-critical communications. Working within a specialist RAN Performance & Optimisation team, you'll be responsible for identifying performance issues, conducting deep ...

Network Engineering specialist

Hiring Organisation
Experis
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £465/day
Network Engineering Specialist Location: London or Bristol (Hybrid) Contract: 6 Months Security Clearance: BPSS Required Start Date: ASAP The Opportunity We're partnering with a leading telecommunications organisation at the forefront of critical national infrastructure to recruit an experienced ESN Specialist - RAN . This is an exciting … opportunity to play a key role in the optimisation and performance of a high-profile Emergency Services Network (ESN) , ensuring exceptional service availability and user experience for mission-critical communications. Working within a specialist RAN Performance & Optimisation team, you'll be responsible for identifying performance issues, conducting deep ...

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 ...

Senior Systems Engineer (Network Technologies Specialist)

Location
United Kingdom
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 ...

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 ...

3rd Line Network & Security Specialist - 24x7 Shift

Location
East Midlands, England, United Kingdom
Title: 3rd Line Network & Security Specialist - 24x7 Shift Req ID: 62430 Job Function: Security Posting Start Date: 01/10/2026 Posting End Date: 13/10/2026 Division: UK Business Job Location: GBR BT Customer Site, GBR Derby - Rolls Royce Advertised Salary: Competitive Salary + … Great Benefits Job Req ID: 62430 Posting Date: 01/10/2026 Function: Security & Network Engineering Location: Derby About the role The 3rd Line Security Specialist will provide lead technical support and great customer experience on complex security issues and projects – being connected and clear with customer ...

Senior Network & Security Specialist

Location
Greater London, England, United Kingdom
Company: Retail Company Position: Senior Network & Security Specialist Contract: 1-year fixed term contract Location: London or Amsterdam (Hybrid) Salary: 55,000 – 65,000 GBP + 10% Bonus Job responsibilities: Manage and scale EMEA network infrastructure including routing, switching, firewalls, VLANs, VPN and WiFi across offices, stores … warehouses, and showrooms. Deploy, monitor and optimise store and warehouse networking, including Cisco Meraki and other cloud-managed network equipment. Manage secure connectivity and support the development of OEG-specific SD-WAN and third-party/3PL network arrangements. Administer identity and access through Okta and Entra ...

Network Infrastructure Specialist

Hiring Organisation
Adecco
Location
Dundee, City of Dundee, United Kingdom
Employment Type
Permanent
seeking an experienced Network Infrastructure Engineering Specialist to join our clients growing IT team. This is a hands-on role responsible for maintaining and developing network and infrastructure systems across multiple sites. You'll play a key role in ensuring business-critical systems remain secure, reliable … high-performing while providing expert support and technical guidance. Key Responsibilities Deploy, configure and maintain network connectivity including LAN, WAN, SD-WAN, VPN and Wi-Fi environments. Configure, monitor and support network infrastructure including switches, routers, firewalls, servers and business applications. Administer VMware virtual environments alongside Microsoft ...

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 & Premise Inventory Specialist — Impact & Growth

Location
United Kingdom
Liberty Blume is seeking a Specialist - Network and Premise Inventory in Bradford. You will act as the SME for Network and Premise inventory, ensuring data accuracy and governance while guiding operational delivery and service development. You will rely on your analytical skills to resolve data issues ...

Senior Network Design Specialist – Secure Gov & Multi-Vendor

Location
Birmingham, England, United Kingdom
Group in Birmingham is seeking a Network Design Specialist to design secure end-to-end network solutions for government, health and policing programmes. You will work with customers, architects and operations to translate complex requirements into practical designs across multi-vendor environments. The role offers a hybrid ...

Network Design Specialist

Location
Birmingham, England, United Kingdom
Description Job Title: Network DesignSpecialist Job Function: Architecture Solution and Design Division: UK Business Job Location: GBR-Birmingham-Three Snowhill Advertised Salary: Competitive + Market Leading Benefits We operate a hybrid model of 3 days in the office and 2 days working from home, please only apply … eligibleto achieve SC-level Security Clearance. About the role Join BT’s Government, Health and Policing team as a Customer Solutions Design Specialist, designing secure, end-to-end network solutions that support critical programmes and help keep the UK safe and secure. You’ll work with customers, technical ...

Mobile Network Experience Specialist (10 Month FTC)

Location
West of England, England, United Kingdom
complex customer problems into lasting improvements across the EE mobile network. You will investigate issues that fall outside standard operational processes, combining customer insight, network data and real-world testing to find root causes and drive action.By working across Networks, the wider business and our partners, you will help … protect customer satisfaction, network reputation and revenue, while ensuring new products and services deliver a brilliant experience in the live network.What you’ll be doingResolve complex customer and service issues• Lead investigations into complex or high-profile issues that fall outside standard operational processes.• Combine customer insight, network ...

3rd Line Network & Security Specialist - 24x7 Shift

Hiring Organisation
BT Group
Location
United Kingdom, UK
Employment Type
Full-time
62430Posting Date: 01/10/2026Function: Security & Network EngineeringLocation: DerbyAbout the roleThe 3rd Line Security Specialist will provide lead technical support and great customer experience on complex security issues and projects – being connected and clear with customer representatives or vendors and directing other support staff where appropriate … customer contract teams. Providing RCA's and contributing to PIR's as and when required. Essential Skills/Experience Proven operational experience across Network Engineering and Security Operations Specialist roles, with strong stakeholder management skills and the ability to work directly onsite with customers to support complex network ...