Senior Reliability Engineer - Hosting & Connectivity

You’ll work at the heart of financial technology, leveraging Arista and Cisco networking, F5 load balancing, and advanced firewall solutions (Palo Alto, Fortinet) to maintain secure, high-speed connectivity. Your expertise with Solace messaging bus and performance monitoring tools like Netscout nPoint, Corvil, and cPacket will help guarantee flawless data flow across trading environments. This is an opportunity to shape infrastructure that underpins billions in daily transactions—where precision and reliability are paramount.

WHAT YOU'LL BE DOING: 

• Solace Messaging.

• Performing installations, upgrades, migrations, and integrations of a variety of products aligned to globally consistent methodologies with moderate guidance

• Installing and maintaining Networking equipment using automation tools

• Effectively communicating with a wide group of stakeholders

• Executing the development and implementation of solution to appropriate standards with moderate guidance

• Supporting initiatives for process and service improvements within the team

• Supporting the maintenance of the integrated solution provided to clients with moderate guidance

• Supporting members of the team to deliver on the strategic priorities, has a working knowledge of basic concepts and procedures

• Ability to handle client queries related to professional services post implementation with moderate guidance

• Supporting the technology lifecycle through the design, build and maintenance of systems, software and applications to ensure the highest quality outcomes across the domains

• Work well as part of a dedicated project team – providing valuable input and considering business impact of decisions.

• Work well with Network architects bringing designs to reality

• Translating business requirements into technical requirements and infrastructure and network capacity needs by sourcing data and undertaking appropriate analysis

• Ensuring relevant reporting documentation is completed and complies with internal and external standards

• Scheduling and coordinates capacity/network upgrades, liaising with other areas of the business as needed to ensure service level objectives are met

• Managing upgrades and coordinates internal and third parties where required

• Creating accurate documentation and monitors system performance to effectively contribute to business and continual improvement activities

• Overseeing design work in the network domain and contributes to creating solutions

WHAT YOU'LL BRING:

• Bachelor's degree or equivalent in an IT related discipline

• Previous experience in Architecture / Engineering

• Significant experience in technology-based roles

• Extensive knowledge of routing and switching protocols

• Demonstrable years of experience in network operations and project delivery with ideally Cisco, Juniper, Arista, Fortinet, Palo Alto

• Strong Network routing and switching skills including LAN, WAN, HSRP, NAT, MPLS, VPN, GRE, BGP and OSPF

• Good knowledge of multicast including IGMP, RP and PIM

• Knowledge of low latency and associated technologies as deployed in the financial sector

• Excellent knowledge of network packet analysing and pack capture tools

• Good knowledge and experience with Data Centre Networking including (Software-Defined Networking (SDN), Cisco ACI, VxLAN, AVD, Fortimanager)

• Experience in Cloud and good understanding of network security, including best practices

• Understanding on load balancing technologies, TCP/IP and Multicast, and internet environments

• Good knowledge of required Service Management process, ideally ITIL knowledgeable (Service Now)

• Proven exposure to financial sector and associated technologies

• Good scripting and automation experience (Python & Ansible)

• Excellent spoken and written English language skills with client management skills

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.

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