System Analyst

Andersen is hiring a System Analyst with German for a project modernizing OSS systems and designing a scalable architecture for telecommunications operations and digital services.

The customer is a telecommunications and digital services provider delivering connectivity and communication solutions for residential, business, and institutional customers, focusing on infrastructure development, innovation, and modern communication technologies.

The project is focused on transforming a legacy OSS landscape by defining a future target architecture and technical foundation, aiming to modernize systems supporting partner orders, field operations, ticketing, provisioning, monitoring, technical data management, and operational process control.

• Strong system analysis experience for 3+ years.
• Telecom experience.
• Experience in OSS/BSS or complex enterprise integration environments.
• Experience analyzing legacy/custom systems.
• Experience with interface inventories, API analysis, and data-flow mapping.
• Understanding of provisioning, ticketing, monitoring, and operational systems.
• Ability to work with low documentation maturity.
• Ability to structure technical findings for architects, business analysts, and client stakeholders.
• Experience documenting system dependencies and integration landscapes.
• English level from Upper-Intermediate and above.
• German level from Upper-Intermediate+ and above.

Nice to have:

• Certifications.
• Knowledge of APIs, SOAP, REST, webhooks, file-based integrations, middleware or service bus.
• Experience with provisioning backends such as DHCP, RADIUS, ACS/TR-069, SIP platforms or similar.
• Understanding of data ownership and master data management.

• Analyzing current legacy/custom OSS systems and their functionalities.
• Supporting reverse engineering of legacy systems through interviews, documentation, and system walkthroughs.
• Building system dependency maps.
• Creating integration and interface inventories.
• Identifying interface directions, ownership, protocols, and dependencies.
• Analyzing data ownership across OSS/BSS and external systems.
• Supporting documentation of current-state architecture.
• Supporting gap analysis between current and target states.
• Supporting integration requirements for the technical tender package.
• Collaborating with Data / Integration Architect on target integration patterns and middleware assessment.
• Working with Business Analysts to connect process steps to systems and data objects.

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