Jan 2025 – Feb 2026 · 1 yr 1 mo · Frankfurt am Main, Hesse, Germany · Remote

• Own vendor relationships for xPON infrastructure, including technical alignment, decision-making on current initiatives, and definition of next-step strategies
• Lead technical escalations with vendors, driving issue resolution through structured analysis and clear ownership
• Define, review, and manage change requests for hardware and software, ensuring controlled rollout and operational stability
• Own the operation and lifecycle management of active equipment across the xPON access network
• Design and evolve access network architectures, including change and risk management for production environments
• Partner cross-functionally with internal teams to provide technical guidance, enablement, and onboarding for new technologies and processes
• Define, document, and continuously improve operational procedures, runbooks, and action plans to scale and standardize operations
• Act as a technical interface between engineering, operations, and external partners to ensure reliable delivery and long-term maintainability

Dec 2018 – Dec 2024 · 6 yrs · Frankfurt am Main, Hessen, Deutschland · Hybrid

• Provided remote technical support for Optical DWDM and OTN platforms, supporting carrier-grade transport networks
• Operated and troubleshot optical Network Management Systems (NMS) to maintain service availability and performance
• Supported and troubleshot 1G, 10G, 100G, and 200G services across CDC-FLEX, OADM, and ILA-based optical architectures
• Used engineering and planning tools during incident analysis, network troubleshooting, and the design of small to mid-scale optical networks
• Performed system engineering tasks on Linux-based environments, including management of controller and line cards
• Led and executed circuit migration activities on high-traffic nodes, minimizing service impact and operational risk
• Implemented Automatically Switched Optical Networks (ASON), including protection and restoration concepts
• Applied knowledge of optical fiber types (G.652, G.653, G.655), EDFA and Raman amplification, coherent and non-coherent transponders, and key optical performance metrics (OSNR, FEC, linear and non-linear effects)
• Utilized optical test and measurement equipment (e.g. MTS5800, MTS6000A, OSA 500R, OSA 320) for new circuit turn-up, acceptance testing, and fault isolation
• Worked directly with customers onsite to understand operational challenges, deliver technical training on new features, and resolve complex network issues
• Contributed to the full product lifecycle, including product introduction, implementation, trials, and proof-of-concept deployments
• Performed remote and onsite software and hardware upgrades across production environments
• Developed scripts and automation to proactively detect system faults and reduce incident response times