Key Responsibilities: • Execute software upgrades on Ciena, Nokia, and Infinera optical platforms following detailed MOPs • Perform customer circuit grooms and reconfigurations during maintenance windows • Conduct pre- and post-activity health checks, verification, and rollback planning • Monitor network performance and ensure zero service impact during changes • Create and update detailed Methods of Procedure for upgrades and grooms • Document all activities in ticketing systems and provide clear status updates • Troubleshoot issues during activities and escalate when necessary Required Skills & Experience: • 3+ years hands-on experience with Ciena, Nokia 1830 PSS, and/or Infinera DWDM platforms • Strong understanding of DWDM, OTN, and coherent optics • Experience performing maintenance and changes in live production networks • Ability to strictly follow procedures while working on live traffic • Excellent English communication skills (written and verbal) • Comfortable working US night-time hours during maintenance windows (your daytime) Nice-to-Haves: • Experience performing customer circuit grooms and migrations • Optical certifications from Ciena, Nokia, or vendor-neutral programs • Experience writing and executing MOPs for complex network changes • Familiarity with the network management systems for these platforms