This includes making sure that all services are available for 100% of the time as well as making sure that the network is deployed in a resilient configuration, failures, faults and general health issues are quickly resolved, and careful capacity planning to deliver in advance of requirement. As a Senior Network Engineer, you could also be requested to act as a Project Manager and coordinate groups of people who work on projects, ensuring that the department’s SLAs are consistently met and, wherever possible, exceeded.