Senior Software Engineer - Network Security Production

ZipRecruiter; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading recruitment platform in London is seeking a Senior Software Engineer specializing in Network Security to develop and maintain tools for large-scale automation of network infrastructure. This role requires strong programming and automation skills, with a focus on enhancing network reliability and performance. Candidates should have a degree in a related field and significant experience in software engineering. Join a team shaping the future of network automation in a dynamic environment.

Qualifications

• Extensive experience in relevant engineering roles.
• Experience with orchestration frameworks.
• Proven programming skills preferably in Python.

Responsibilities

• Develop and maintain software tools for a large-scale network.
• Automate network lifecycle tasks.
• Collaborate on implementing new technologies.
• Enhance monitoring and observability frameworks.

Skills

Software, Network Production, or System Reliability Engineering

Infrastructure Automation

Object-oriented programming in Python

Network device management automation

Mentorship and team collaboration

Education

Bachelor’s or master’s degree in computer science, Engineering, Mathematics or equivalent

Tools

Ansible

Terraform

Splunk

Grafana

Job description

Overview

Senior Software Engineer - Network Security Production

Location: London

Business Area: Engineering and CTO

Ref #: 10045570

Description & Requirements: As 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.

You need to have

• Extensive experience as a Software, Network Production, or System Reliability Engineer.
• Experience with building, maintaining and continuously enhancing automations needed for scalability & 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.

We’d love to see

• 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 with messaging queues such as Kafka, RabbitMQ, etc