OSS Solution / Telecom OSS Architect with German

Andersen is hiring for a project modernizing OSS systems and designing scalable telecom architecture for digital transformation. The customer is a telecommunications and digital services provider delivering connectivity and communication solutions for residential, business, and institutional customers. The project focuses on transforming a legacy OSS landscape by defining a future target architecture and technical foundation.

• Strong telecom OSS architecture experience for 5+ years.
• Experience with OSS transformation, OSS modernization, or legacy OSS replacement.
• Understanding of provisioning, activation, service assurance, trouble ticketing, field service, partner fulfillment, and integration layers.
• Experience with OSS/BSS boundaries.
• Knowledge of TM Forum frameworks: eTOM, TAM, ODA, and/or TMF Open APIs.
• Ability to work vendor-neutrally without advocating a specific product.
• Experience preparing architecture input for RFP/tender processes.
• Strong stakeholder communication skills.
• Ability to explain complex architecture to business, IT, and procurement stakeholders.
• English language proficiency at Upper-Intermediate level or above.
• German language proficiency at Upper-Intermediate level or above.

Nice to have:

• Experience with regional telecom, cable, or fiber operators.
• Experience with Open Access Networks, MVNO integration, fiber inventory, service inventory, or resource inventory.
• Experience with integration platforms, middleware, service bus, or API-led architecture.
• Knowledge of ITIL-based operational processes.
• German-speaking experience in DACH/Austria.

• Leading the OSS target architecture workstream.
• Assessing the current OSS architecture and main legacy/custom OSS components.
• Defining the future OSS capability model and target system responsibility model.
• Clarifying the OSS/BSS boundary, especially around OpenService/BSS and the surrounding OSS layer.
• Defining target integration principles and architecture patterns.
• Supporting decisions on replacement, integration, transition architecture, and future-proofing.
• Assessing support for single vendor, general contractor, multi-vendor, or lot-based sourcing.
• Using industry frameworks such as TM Forum ODA, eTOM, TAM, and TMF Open APIs as reference points.
• Supporting architecture workshops with client stakeholders.
• Contributing to technical tender-readiness, including architecture context, integration principles, system boundaries, and vendor-neutral requirements.
• Supporting final presentation of target architecture and roadmap.

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