972 Network Architecture jobs in the United Kingdom
Senior Network Architect - London Stock Exchange Group
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3 days ago Be among the first 25 applicants
LSEG is looking for a Network Design Engineer to establish successful partnerships with our internal product, engineering, operational and business partners.
This is a technical position for someone who can investigate, design, engineer, build and test hybrid on premise and cloud-optimized network designs.
The role involves elements of design, engineering, automation and testing to produce infrastructure designs that align with business and architectural requirements.
As well as a confirmed technical background, the ideal candidate will be able to follow industry standard design, development and engineering frameworks incorporating planning, design, implementation, engineering, testing, operation and optimization. Be able to effectively participate in multi-functional meetings, clearly articulate infrastructure features and capabilities, translate business requirements into technical requirements into outcomes that are fit for purpose and use.
The role requires an individual experienced in the technical analysis, definition, design, construction, testing, installation and modification of accurately engineered network and information systems to meet agreed business needs. An individual that analyzes and evaluates alternative solutions, and serves as domain authorities between the business and IT organization. Ensuring network architecture supports the execution of critical business applications. Implements the balance between business and technology, provides consultancy into the project teams and defines the design and engineering governance function, signing off governance architecture / design against well-defined standards.
DAY TO DAY RESPONSIBILITIES:
This Network Design Engineer will be responsible for network design and engineering and be involved in the development, engineering and testing of network solutions, hardware or software life cycle management. This often involves close collaboration with vendors and multi-functional technical teams. The role involves agile methods of working and technical or squad leadership for new network solutions and the introduction of new network features across the LSEG hybrid infrastructure estate.
REQUIRED SKILLS AND EXPERIENCE:
Deep and broad experience of delivering enterprise scale infrastructure in a similar role
Responsible for analysis, functional design and engineering, and problem solving for software defined Infrastructure products.
In-depth vendor and hands on technical knowledge across a wide range of Infrastructure cloud and network) technologies and associated protocols
Strong hands-on experience with Cisco IOS, Cisco NXOS, IOS-XR, Cisco hardware, Juniper Hardware and JUNIOS software, Accedian Network Interface Nodes, Ixia test generator, IP Routing and Switching. Additionally, the candidate will have MPLS experience, working knowledge of IP Firewalls, IP Load balancers and IP Multicast
Strong working knowledge and experience with: TCP/IP, Cisco IOS, Cisco NXOS, IOS-XR, Juniper JUNIOS, LAN/WAN, Service Provider/Extranet networks, Ethernet switching, including VPC/VSS, BGP, EIGRP, SNMP, L2/L3VPN, MPLS, QoS, Traffic Engineering, Network Service Orchestration and IPSE
Experience with NFV, Service orchestration (NSO) and programmable networks
Experience with service automation and network transformation.
Excellent written and presentation skills, evident customer service bias and strong attention to detail
Excellent interpersonal skills and outstanding problem-solving ability
Task and results oriented, lead multiple streams of contending work concurrently and maintain a focus on results while thinking like a customer
Experience with developing standards and network testing, software and hardware certification and qualification, writing test plans and producing network test reports.
Experience as a network design engineer with hands-on Cisco IP Routing/Switching design and implementation in a service provider environment.
Knowledge around JIRA (epic, story, task tracking, scrums-based delivery), Confluence and Gitlab tooling is crucial
Experience of delivering Infrastructure as Code (IaC) using tools such as Ansible/Terraform
- Broad knowledge of cloud services - Azure, AWS, GCP
- Excellent written English, presentation skills with a strong attention to detail
DESIRED SKILLS AND EXPERIENCE:
Financial Services experience
Real-time and low latency market data experience
Service orchestration, observability and monitoring platform experience
Solid understanding of a Programming Language (preferably Python)
Agile tools (Jira, GIT among other DevOps principles)
AWS, Azure, GCP Certification
LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.
Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject .
If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.
Seniority level
- Seniority level Mid-Senior level
- Employment type Full-time
- Job function Information Technology
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Network Solutions Lead
Posted 1 day ago
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Network Solutions Lead
Location: Basingstoke (Hybrid – 2–3 days per week in office: Bracknell, Stevenage, or Birmingham)
Salary: £65,000 + £6K Car Allowance + 10% Bonus (potential to increase to 15%)
Clearance Required: SC (must be eligible – clearance required before start; DV preferred)
We are looking for a Network Solutions Lead to join our New Business Team, supporting secure, technically complex change initiatives within an existing customer environment. This is a pre-sales aligned role, acting as a key technical point of contact to shape customer requirements into secure, deliverable network solutions.
You will act as the technical lead during the early stages of change—supporting the customer journey from initial idea through to internal governance approval. This includes shaping and challenging solution requirements, conducting impact assessments, and creating the necessary design collateral to move solutions forward.
Key Responsibilities:
• Engage with customers to understand and define technical change requirements within existing contracts.
• Develop initial solution designs and assess technical and business impact.
• Produce high-quality design documentation to support internal governance and decision-making.
• Collaborate with peers and senior technical experts to validate and refine solutions.
• Provide secure, practical alternatives where initial customer requests may not be feasible.
Skills & Experience:
• Strong knowledge of secure network technologies (Cisco, Juniper, Palo Alto, or equivalents).
• Experience in early-phase solution design and impact assessment.
• Understanding of the full project lifecycle and change management within secure environments.
• Strong communication skills with the ability to translate complex requirements into workable designs.
• Capable of working independently while contributing to a collaborative team environment.
Additional Information:
• Security clearance: SC required prior to start (Clearance available for eligible candidates); DV clearance preferred.
• Working pattern: Hybrid role with flexibility around personal commitments.
Network Solutions Architect
Posted 3 days ago
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Job Description
As a Network Solutions Architect, you will be responsible for designing, developing, and implementing robust and scalable network solutions that meet our client's strategic business objectives. You will work closely with sales, engineering, and customer teams to understand requirements, translate them into technical designs, and ensure the successful deployment of complex networking infrastructure. Your expertise will span various network technologies, including IP routing, switching, security, and wireless solutions.
Key Responsibilities:
- Design end-to-end network solutions based on customer requirements and business needs.
- Develop network architecture diagrams, proposals, and technical documentation.
- Collaborate with pre-sales teams to present solutions to clients and stakeholders.
- Provide technical leadership and guidance to network implementation teams.
- Conduct technical evaluations of new network technologies and vendors.
- Ensure network designs adhere to security best practices and compliance standards.
- Troubleshoot and resolve complex network issues during design and deployment phases.
- Stay current with industry trends and advancements in telecommunications and networking.
- Develop and maintain relationships with key technology partners.
- Contribute to the continuous improvement of network design methodologies and tools.
This hybrid role demands a candidate who can effectively manage their time, work independently, and collaborate seamlessly within a team environment. You should be adept at translating complex technical concepts into clear, concise proposals and presentations. A customer-centric approach and a passion for delivering innovative network solutions are key.
We are offering a competitive salary, a comprehensive benefits package, and the opportunity to shape the future of our client's network infrastructure. If you are a visionary Network Solutions Architect looking to make a significant impact in a hybrid role, we encourage you to apply.
Network Solutions Architect
Posted 4 days ago
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Job Description
Responsibilities:
- Design and architect secure, scalable, and high-performance network solutions.
- Develop network strategies and roadmaps aligned with business objectives.
- Evaluate and recommend new networking technologies and solutions.
- Create detailed network designs, diagrams, and documentation.
- Oversee the implementation and integration of network infrastructure.
- Define and enforce network security policies and best practices.
- Troubleshoot and resolve complex network issues.
- Optimize network performance and ensure reliability.
- Collaborate with cross-functional teams on network-related projects.
- Provide technical leadership and mentorship to network engineering staff.
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Extensive experience in network architecture and design.
- Deep knowledge of TCP/IP, routing protocols (BGP, OSPF), switching, and firewalls.
- Experience with cloud networking (AWS, Azure, GCP).
- Proficiency in network security principles and technologies.
- Relevant certifications (e.g., CCIE, CCNP, CISSP) are a strong asset.
- Excellent analytical, problem-solving, and communication skills.
- Ability to work independently and manage projects effectively in a remote environment.
Network Solutions Architect
Posted 5 days ago
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Job Description
Network Solutions Architect
Posted 5 days ago
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Job Description
Network Solutions Architect
Posted 5 days ago
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Network Solutions Lead
Posted 1 day ago
Job Viewed
Job Description
Network Solutions Lead
Location: Basingstoke (Hybrid – 2–3 days per week in office: Bracknell, Stevenage, or Birmingham)
Salary: £65,000 + £6K Car Allowance + 10% Bonus (potential to increase to 15%)
Clearance Required: SC (must be eligible – clearance required before start; DV preferred)
We are looking for a Network Solutions Lead to join our New Business Team, supporting secure, technicall.
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Senior Network Solutions Architect
Posted today
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Job Description
Key Responsibilities:
- Lead the design and architecture of advanced telecommunications networks, including WAN, LAN, 5G, and fibre optics.
- Develop and present detailed technical proposals and solutions to stakeholders and clients.
- Collaborate with engineering teams to oversee the implementation and deployment of new network technologies and services.
- Troubleshoot complex network issues, identify root causes, and implement effective solutions.
- Conduct performance analysis and optimisation of network infrastructure.
- Stay abreast of the latest industry trends and emerging technologies in telecommunications.
- Mentor junior engineers and contribute to the overall technical growth of the team.
- Ensure network security best practices are integrated into all designs and implementations.
- Manage vendor relationships and evaluate new technologies for potential adoption.
- Develop and maintain comprehensive network documentation.
Qualifications:
- Proven experience as a Network Architect or Senior Network Engineer in the telecommunications sector.
- In-depth knowledge of networking protocols (TCP/IP, BGP, OSPF, MPLS) and network security principles.
- Experience with cloud networking solutions (AWS, Azure, GCP) is a plus.
- Strong understanding of wireless technologies, particularly 5G.
- Excellent analytical and problem-solving skills.
- Strong communication and presentation skills, with the ability to explain technical concepts to non-technical audiences.
- Relevant industry certifications (e.g., CCIE, CCNP) are highly desirable.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
Senior Network Solutions Architect
Posted 1 day ago
Job Viewed
Job Description
- Designing complex, end-to-end network solutions for enterprise clients.
- Developing detailed technical proposals and architecture diagrams.
- Collaborating with sales and engineering teams to ensure solution feasibility and alignment with client needs.
- Providing technical expertise and guidance on network technologies, including SDN, NFV, and cloud networking.
- Troubleshooting and resolving complex network issues during implementation.
- Staying abreast of the latest advancements in networking and telecommunications.
- Mentoring junior network engineers and architects.
- Presenting technical solutions to both technical and non-technical audiences.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
- Minimum of 7 years of experience in network architecture and design, with a significant focus on telecommunications or enterprise networking.
- In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), switching, firewalls, and VPNs.
- Experience with cloud platforms (AWS, Azure, GCP) and their networking services.
- Familiarity with SDN, NFV, and 5G technologies.
- Relevant industry certifications (e.g., CCIE, CCNP, JNCIE) are highly desirable.
- Excellent problem-solving, analytical, and communication skills.
- Ability to work independently and manage multiple projects concurrently in a remote setting.
Senior Network Solutions Architect
Posted 1 day ago
Job Viewed
Job Description
Responsibilities:
- Design and architect scalable, resilient, and secure telecommunications network solutions.
- Collaborate with clients to gather and define technical requirements.
- Develop detailed network designs, diagrams, and documentation.
- Evaluate and select appropriate technologies and vendor solutions.
- Provide technical expertise and guidance during the pre-sales and implementation phases.
- Troubleshoot and resolve complex network issues.
- Stay abreast of industry trends and advancements in networking technologies.
- Present technical solutions to clients and stakeholders.
- Mentor junior engineers and share knowledge within the team.
- Ensure solutions adhere to security best practices and compliance standards.
Qualifications:
- Extensive experience in network architecture and design within the telecommunications industry.
- In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), MPLS, and VPN technologies.
- Experience with cloud networking (AWS, Azure, GCP) and SD-WAN solutions.
- Strong understanding of cybersecurity principles and network security.
- Proficiency in network simulation and design tools.
- Excellent communication, presentation, and interpersonal skills.
- Relevant industry certifications (e.g., CCIE, JNCIE, AWS Certified Advanced Networking).
- Ability to work independently and manage multiple projects in a remote setting.