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About the Role

The Senior Infrastructure Engineer will develop, maintain, improve, and support Community Fibre’s infrastructure service environments, encompassing both cloud (AWS) and on-premise systems, to support the customer-facing network. This role involves hands-on experience, innovative thinking, and a strong understanding of systems and infrastructure, with significant exposure to automation and orchestration.

Responsibilities

• Manage and maintain existing Linux based servers, both on-prem and cloud hosted, including security patches, upgrades, and configuration management.
• Build new servers and systems, ensuring existing ones are maintained, reliable, and resilient.
• Create and implement high and low-level designs aligned with architecture principles and standards.
• Develop scripts in Python, Bash, and Perl to automate system administration tasks, infrastructure deployment, and network security enhancements.
• Oversee the planning, deployment, and maintenance of network infrastructure using tools such as Terraform and Puppet.
• Utilize Puppet to manage configurations consistently across different environments.
• Build and maintain CI/CD pipelines for automated deployment and integration.
• Configure and manage complex security solutions using tools such as Freeradius, Palo Alto Networks devices, FreeIPA, iptables, and firewalled.
• Automate operating system installations and configurations for various Linux distributions.
• Design and deploy infrastructure based on microservices architecture.
• Develop and enforce robust security protocols, applying methods including encryption, authentication, and intrusion detection.
• Lead diverse types of testing to ensure system integrity and security.
• Manage diverse storage environments, from physical to cloud storage systems, with a deep understanding of block storage technologies.
• Evaluate products based on cost, efficiency, and fitness for purpose.
• Maintain knowledge of current and future information security threats and challenges.
• Troubleshoot issues efficiently while effectively communicating escalations and outcomes.
• Lead significant projects including design, development, integration, and deployment.
• Deliver end-to-end data ingestion and processing using OpenSearch/Elastic Stack.

Requirements

• Minimum of 5 years of experience working in a server and storage environment.
• ISP/MSP Experience.
• Advanced understanding of Linux (Ubuntu / Debian, and CentOS / RHEL).
• Experience with infrastructure as code (IAC) practices.
• Hands-on experience with automation and orchestration tools such as Ansible, Terraform and Puppet.
• Experience using version control systems, e.g. Git.
• Excellent communication and interpersonal skills, with the ability to engage with stakeholders at various levels.
• Ability to work independently and collaboratively in a fast-paced environment.
• Strong analytical and problem-solving skills.
• Keen to learn new technologies.

Skills

• Configuration management: Puppet and Ansible
• Orchestration: Terraform
• DCIM/IPAM tools, e.g. NetBox
• Log ingestion: OpenSearch/Elasticsearch, Logstash, Kibana, Filebeat, Syslog
• Containerisation: Docker and / or Kubernetes
• Virtualisation experience
• Cloud: AWS
• Databases: PostgreSQL and / or MySQL
• Application Servers: Apache or nginx, WSGI
• Deep understanding of key service health metrics
• Knowledge of current security best practices including encryption and systems hardening
• Experience implementing technologies with a focus on operability, reliability, and scalability.
• Network aptitude.
• Excellent understanding of telecommunications industry practices, standards, and regulatory requirements.
• Solid understanding of core ITIL processes.
• Familiarity with SIEM, detect security threats and event correlation is a plus.
• Experience with data replication, backup, and recovery strategies.
• Next generation firewall experience
• Scripting Languages – Eg Bash and Python

Location

• London

Work Type

• Full Fibre
• Flexible WFH policy

Experience Level

• Senior

Benefits

• 25 days holiday to enjoy, increasing by 1 day for each year of service up to 28 days
• Birthday leave
• Cycle to work scheme
• Private Health Cover

About the Company

• London’s largest and fastest 100% full fibre broadband provider, bringing better internet to Londoners since 2013.
• We build, own and operate our dedicated fibre optic network and install it directly into the home.
• The only provider in London offering residential broadband speeds of up to 5Gbps.
• Our network covers 1.3 million properties in London.
• Over 800,000 properties under wayleave agreement and working in partnership with more than 200 of London’s biggest landlords.
• Connected 720 community spaces in 24 boroughs, giving more Londoners free access to fast, reliable broadband.
• An exciting scale up business where you can bring your ideas and knowledge.

Equal Opportunity

• We are an Armed Forces friendly organisation.
• We are an equal opportunities employer that values diversity in our team, we welcome applications from all backgrounds.