Principal Network Engineer

LSEG

2 - 5 years

Bengaluru

Posted: 24/05/2025

Job Description

LSEG is looking for a Principal Network Design Engineer (WAN) 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 analyses and evaluates alternative solutions, and serves as domain authority 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 Principal Network Design Engineer will be responsible for Wide Area network (WAN) 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 (preferably Segment Routing, Flex-Algo), and a working knowledge of 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 BGP, ISIS, L2/L3VPN, MPLS, QoS, Traffic Engineering, Network Service Orchestration and Service orchestration (NSO) and programmable networks

Agile tools (Jira, GIT among other DevOps principles)

AWS, Azure, GCP connectivity methodologies

ISP connectivity

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

Excellent problem-solving ability and organization skills with a focus on goals and the ability to balance multiple priorities in a fast-paced environment.

Applies business requirements and knowledge of Infrastructure & Network development lifecycles to design, produce and guide the development of complex Infrastructure & Network products or customer solutions.

ROLE RESPONSIBILITIES & KEY ACCOUNTABILITIES:
- Demonstrates accurate knowledge of platforms, systems and tools in the Infrastructure and network domain and steers the process of design, development and implementation
- Contributes to and develops high-quality Infrastructure & Network design and architecture.
- Understands and embraces the technology strategy and identifies, prioritises and completes tasks in the Infrastructure & Network development lifecycle.
- Develops tools and applications, producing well designed and tested, efficient systems following practices in development and coding techniques.
- Designs, develops and delivers Infrastructure & Network solutions that align with architecture, operational and risk policies, standards and processes.
- Coordinates the delivery of complex projects and automates tasks through appropriate systems, methods, tools and scripting.
- Supports quality testing, including validation and verification testing, communicating defects and enhancement requests to teams, projects in a timely manner
- Collaborates positively with internal teams (including Product Owners/Business and Client Analysis) and vendors to efficiently fix and improve products

DESIRED QUALIFICATIONS & EXPERIENCE:
- Degree in Computer Science or Electronics / Electrical Engineering, or equivalent

- CCIE preferred (Service Provider)
- Solid understanding of a Programming Language (preferably Python), third party Infrastructure & Network products

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.

About Company

London Stock Exchange Group (LSEG) is a global financial market infrastructure company, providing a range of services including trading, data, and market information. LSEG plays a key role in facilitating global capital markets and is involved in providing technology solutions to financial institutions.

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