Principal Network Engineer

ABOUT US:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge, and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America, and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

OUR PEOPLE:

People are at the heart of what we do and drive the success of our business. Our values of Integrity, Partnership, Excellence and Change shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage partnership, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity, and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

This role is within the Infrastructure & Cloud - Networks Products & Services of LSEG. This group is responsible for the design and engineering of the global network products and services and the architectural integration to scale application services on prem as part of a hybrid multi-cloud strategy. 
 
This is a senior technical position in Applications Network Connectivity for an engineering professional focusing on elements such as DDI, Load balancing, NTP, proxy, firewall and security services to develop a strategy with LSEG business, product, architecture and design.

The role requires to combine elements of architecture, design, governance, and consultation to produce Network Service Architectures, Designs and Standards which align with business and architectural requirements.

With a validated technical background, the ideal candidate should follow industry standard development frameworks incorporating planning, designing, testing, implementing, operating, optimizing, and be able to effectively participate in multi-functional meetings, clearly articulate Network Service features and capabilities, translate business requirements into technical requirements, and ultimately, into outcomes that are fit for purpose and production-level use.

ROLE SUMMARY:

• Seniority level above 5-7 years of demonstrated ability in networking.
• Ability to architect, design, define standards, generate, and deploy blueprints of network designs.
• Proficient understanding of traffic patterns, packet captures and network protocols/applications (TCP/IP, HTTPS/SSL/TLS) and internet architectures.
• Proven knowledge and experience with Firewalls (Checkpoint, Palo Alto or Fortinet)
• Proven knowledge and experience with proxies, packet capture devices, IDS/IPS and DDoS.
• Desirable knowledge and experience with DDI (Infoblox), Load balancers (F5 with iRules),
• Desirable knowledge and experience with RIRs (Regional Internet Registry) and DNS registrars.
• Desirable knowledge and experience with Cloudflare, Akamai, Infoblox BloxOne
• Automation with Python, Ansible, terraform, GitLab pipelines using DevOps practices.
• Knowledge and experience with cloud connectivity and cloud networking constructs for at least one cloud provider - Azure, AWS, GCP, Oracle
• Knowledge and experience with monitoring and observability protocols, tools, and applications.
• Handle numerous projects with contending priorities in a constantly evolving environment.
• Cultivate collaboration, advocate for documentation and knowledge sharing.
• Flexibility for compensated occasional work during weekends.

WHAT YOU'LL BE DOING:

• DHCP/DNS/IPAM, Firewalls, Load balancers, Time protocol, proxy and Cloud applications infrastructure management, design, and automation.
• Maintain the RIRs objects and DNS registrars DB.
• Assess, plan, design, and implementation of the infrastructure.
• Capacity planning and troubleshooting of the network applications products, infrastructure, and services.
• Monitoring and observability of the network applications products infrastructure.
• Source code management and development.
• Leverage testing environments using industry practices for pre-testing changes and proof of concept.
• On-call rotation shifts

WHAT YOU'LL BRING:

• Solid validated knowledge and experience to deliver excellent technical results as outlined in the role summary.
• Strong character and cheerful personality for great interpersonal behaviour.
• Good negotiating and influencing skills supported by expressive oral and written communication.
• Excellent presentation skills and a solid attention to detail.
• Great collaboration skills with the ability to observe aspects from varying perspectives.
• Task and results oriented ability to handle multiple streams of contending work priorities and maintain a focus on results while thinking like a customer.
• Excellent critical thinker and problem-solving abilities and time/tasks management skills with a focus on goals and the ability to manage multiple priorities in a fast-paced environment.
• Ability to thoroughly deliver a proven and accurate root cause analysis.
• Bachelor’s degree in computer science in IT field and/or equivalent certifications and experience
• Finance industry experience is a plus.

WHAT YOU’LL GET IN RETURN:

• Learning portal access O’Reilly, Udemy, QA, Cisco certifications, cloud training, etc.
• On premise and cloud hands on learning and experience
• Great automation opportunities.
• Opportunities for career progression.
• Location specific benefits.

We recognize that to attract the best talent, we need to be flexible, and we are open to discussing work arrangements with you. We take hybrid approach to workplace; this role is Digital First.

LSEG Purpose and Values

Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Underpinning our purpose, our values of Integrity, Partnership, Excellence and Change set the standard for everything we do, every day. They guide the way we interact with each other, the partners we work with and our customers. Delivering on our purpose and living up to our values is a responsibility that we all share.

To achieve our ambitions through a strong culture, People Leaders need to role model our Values and create the culture for everyone at LSEG to be at their best.

Proud to share LSEG in the India is Great Place to Work certified (Jun ’25 – Jun ’26).

Learn more about life and purpose of our company directly from India colleagues’ video: Bengaluru, India | Where We Work | LSEG

Career Stage:

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

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.

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.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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.