The Senior Network Maintenance Engineer also accepts and reviews maintenance requests from internal and 3rd party organizations, identifying the impact to customer services created by the maintenance activities using inventory records and logging into SONET and DWDM equipment to verify, notifying customers of the expected impact and duration through formal maintenance notifications, and when necessary, re-provisioning customer circuits to mitigate impact as a result of maintenance activities. Responsibilities: Responsible for all aspects of the Zayo network maintenance process including scheduling network maintenance activities, identifying customer impact using inventory systems and by logging in to advanced network tools and systems, issuing notifications to customers of maintenance events, provisioning customer circuits (if necessary), and closing out maintenance activities upon successful validation of completion.