Overview

Senior Software Engineer - Network Security ProductionLocation: LondonBusiness Area: Engineering and CTORef #: 10045570Description and RequirementsAs a Senior Software Engineer, you will be a critical member of the team responsible for the full lifecycle of our global network infrastructure that supports Bloomberg''s core products and services. This includes building and maintaining a network that is scalable, secure, reliable and robust. Our network is vast, connecting several large-scale Data Centers and over a hundred edge sites. It connects Bloomberg to hundreds of thousands of our clients, over 1,500 global exchanges and trading venues over private connectivity, Internet and Public Cloud.This is a unique opportunity to help build robust, highly scalable solutions that will power the future of how Bloomberg automates network infrastructure. You''ll be trusted to design and work on tooling that builds on automation best practices and principles.Responsibilities

Develop and maintain software tools to manage a large-scale, multi-vendor network with an emphasis on automation, telemetry, and model-driven infrastructure as code.Automate the full network lifecycle—including provisioning, configuration, observability, testing, troubleshooting, and capacity planning.Collaborate with architecture and design teams and the CTO office to implement new technologies that ensure scalability, efficiency, and operational resilience.Develop tools and platforms that enhance the observability, reliability, and performance of the production network.Enhance existing monitoring and observability frameworks, integrating intelligent alerting and self-remediation capabilities to reduce manual intervention and improve incident response.Define and measure service-level objectives (SLOs) to track infrastructure performance and reliability.Write software utilizing orchestration systems to automate tasks and interact with other systems.Provide mentorship to junior engineers and promote software engineering best practices throughout the team.Practice and promote the use of a modern software development lifecycle.Required Experience

Extensive experience as a Software, Network Production, or System Reliability Engineer.Experience with building, maintaining and continuously enhancing automations needed for scalability and efficiency in running the Network Infrastructure.Experience in infrastructure automation or orchestration frameworks e.g. Ansible, Airflow, Terraform, Chef, Salt.Proven experience with object-oriented programming preferably in Python.A bachelor''s or master''s degree in computer science, Engineering, Mathematics, a similar field of study or equivalent work experience.Preferred/Desirable

Experience managing and automating network devices at scale such as Juniper, Nokia, Arista, Cisco, Palo Alto, F5, Whitebox, Broadcom, etc.An understanding of various Network and Security architectures across Internet, Public Cloud, Private Networks, DWDM and Optical Networking, Data Centre builds and design fundamentals.Experience with network modelling.Eagerness to learn new technologies and mentor others.Experience with Telemetry: Splunk, Grafana, Humio.Experience with continuous integration and deployment tools.Experience implementing, maintaining and troubleshooting MPLS, BGP, OSPF, IGMP, TCP, HTTPS, DNS, PIM related internal and external network routing issues in a production environment.Knowledge of messaging queues such as Kafka, RabbitMQ, etc.

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