Senior Network Automation Engineer

Network Technology · London, London, City of
Department Network Technology
Employment Type Full-Time
Minimum Experience Experienced

Hi there! Thanks for stopping by our job advert.

We’re Community Fibre and our mission is to bring better internet to everyone. You won’t find any old and slow copper technology here. Our network, which we own and have built, is 100% full fibre. We install it directly into our business customer’s premises and into our consumer’s homes. We provide market leading broadband speeds, at the best prices with a real focus on customer experience - we are consistently the No1 Internet Service Provider on Trustpilot as rated by customers. And as a result we are growing fast.

We are passionate and love working with local communities … the clue is in our name.  We want to bridge the digital divide in society and make Gigafast internet accessible to all. We also love it when local residents become team members of Community Fibre - over 20% of our talent is from communities that we serve.

We are not the new kid on the block, we were established in 2013 and have been disrupting the Broadband industry in London since then. Some recent key achievements include:

  • We raised £400m investment in 2020 from large institutions to secure our ambitious growth plans.
  • We have acquired over 500,000 wayleaves across Local Authorities, Housing Associations and Private Landlords in London to support that growth.
  • We have deployed our 100% full fibre network to over 300,000 premises to deliver the growth, which is rapidly moving towards 1 million in 2023.

We’re proud of our achievements so far, but we are not complacent and definitely not stopping here. To help us get to our future, we’re looking for forward thinkers, people with big ideas, people passionate about technology and most importantly hard working team players to join us and be a part of our growing business.

Job purpose:

  • The Senior Network Automation Engineer is  responsible for the creation and improvement of automated provisioning and troubleshooting software .
  • Tool development to underpin multiple business processes, e.g. Change and Incident Management
  • Develop and continuously improve our automation platform to be scalable, reliable, resilient and cost efficient
  • Integrate our automation platform with other OSS/BSS (monitoring, asset management, customer relation management, etc.)
  • This is primarily a software development role, though solid understanding of IP and optical networks is mandatory
  • You will help scale our Engineering function at an exciting time in our growth.
  •  You will take our automation process to the next level with the opportunity to make a huge impact on our product agility and quality.

What you’ll be doing:

  • Capture business and technical requirements
  • Write and manage the network automation software code, bug fixing
  • Generate network configurations from templates
  • Automate the network configuration verification
  • Automate saving network configurations
  • System integration using REST APIs
  • Write unit tests
  • Create CI/CD pipelines
  • Process network events from monitoring systems
  • Create and update documentation
  • Analyse the technical architecture of systems and applications to understand dependencies, points of failure, impacts, to provide recommendations for infrastructure, system and applications

The experience we’re looking for you to bring:

  • Software development background
  • Understanding OOP
  • Understanding databases (SQL, NoSQL)
  • Experience with Python or other scripting languages used for Network Automation
  • Experience with REST APIs
  • Understanding of IP and optical networks, routing protocols
  • Understanding network management configurations (AAA, SNMP, NTP, ACLs)
  • Understanding network security, firewalls, security groups
  • Strong Linux experience
  • Ansible
  • Version control systems (we use GitLab)
  • Monitoring systems, e.g. Nagios, Zabbix, Icinga, Grafana, or similar
  • Experience with network automation using SSH and CLI
  • CLI scraping and regular expressions
  • Experience with virtual machines (e.g. KVM , VMware, Proxmox, AWS EC2 or similar)



  • Docker
  • Elasticsearch
  • Network Configuration Protocols (NETCONF, REST-CONF)
  • Templating (Jinja2)
  • Experience with AWS
  • CCNA/JNCIA/CCNP/JNICIP levels desirable
  • Experience with frontend development (JavaScript, CSS, HTML)
  • Experience implementing technologies with a focus on operability, reliability, and scalability
  • Ability to oversee and mentor team members
  • Ability to keep up with software development trends and innovation

Why join us:

  • You get to work with some of the best technology in the market
  • Be part of an exciting scale up business where you can bring your ideas, bring your knowledge, we value your contribution
  • We all love time off whether that’s going on an exotic holiday or a staycation, you’ll get 25 days holiday to enjoy, increasing by 1 day for each year of service up to 28 days
  • Birthday leave, our treat to you
  • Keen cyclist, join our cycle to work scheme
  • Flexible WFH policy
  • Enjoy the perks of Vitality health
  • You get to work with an amazing bunch of people

What happens next:

You’ve done your bit so sit back and relax, we will review your application and come back to you.

If we think you’re not quite right for the role you have applied for but may be a better fit for another, we’ll definitely let you know.

Want to know more about a career at CFL, check out our careers page:

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.

Thank You

Your application was submitted successfully.

  • Location
    London, London, City of
  • Department
    Network Technology
  • Employment Type
  • Minimum Experience