Optical Network Development Engineer , Capacity Restoration Team

AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers Basic qualifications: - Bachelor's degree in Electrical Engineering, Photonics, Telecommunications, Computer Science, or equivalent experience. - 1+ years of experience in optical network engineering, DWDM operations, or optical transport systems. - Understanding of DWDM technology fundamentals: wavelength multiplexing, optical amplification (EDFA, Raman), coherent detection, and modulation formats. - Knowledge of fiber optic fundamentals: single-mode fiber types (G.652, G.654, G.655), attenuation, chromatic dispersion, and PMD. - Familiarity with optical test and measurement: OTDR, OSA, power meters, and light sources. - Experience with at least one programming or scripting language (Python preferred). - Understanding of IP networking fundamentals: TCP/IP, routing, and switching concepts. - Experience working in a Linux or Unix environment. - Ability to read, modify, and extend existing code within a shared codebase. Preferred: - Experience with coherent optic technologies: DP-QPSK, 16QAM, and higher-order modulation formats at 100G/200G/400G+ line rates. - Experience with optical networking vendor platforms (e.g., Ciena, Infinera, Nokia, ADVA) including provisioning, alarm management, and firmware operations. - Knowledge of OSNR analysis, optical link budgets, and span engineering for long-haul and metro DWDM systems. - Understanding of FEC mechanisms (SD-FEC, HD-FEC) and their role in optical system margin management. - Experience with OTN framing, multiplexing hierarchy, and fault management. - Familiarity with ROADM architectures, CDC (Colorless/Directionless/Contentionless) designs, and wavelength switching. - Experience with network automation tools or frameworks such as Ansible, Terraform, or similar platforms applied to optical networks. - Exposure to Amazon internal tooling: workflow orchestration engines, optical network management systems, deployment automation tools, or link testing services. - Experience with optical network planning and modeling tools. - Knowledge of BGP or OSPF routing protocols in production network environments. - Experience operating large-scale optical networks in ISP, CDN, submarine, or cloud provider environments. - CCNA, JNCIA, or equivalent networking certification; vendor optical certifications (e.g., Ciena Certified Specialist) a plus. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.