CTO / COO - 5G Network Technology (m/f/d)

CTO / COO – 5G Network Technology (m/f/d)

Location: Düsseldorf, Germany
Employment type: Full‑time

About the Company

1&1 Mobilfunk GmbH, part of the 1&1 Group and United Internet AG, is building Europe’s first fully virtualised, cloud‑native 5G network. With around 150 employees and the backing of a listed telecom group, the company combines greenfield agility with industrial‑scale impact.

We are seeking an experienced technology executive with full end‑to‑end responsibility for network architecture, engineering, rollout and operations – and who will serve as the CEO’s primary technical and operational partner.

Responsibilities

• Full end‑to‑end ownership of technology, architecture, engineering and operations
• Shape and evolve the cloud‑native 5G architecture across all network domains
• Ensure robust delivery and transparent governance for all network programmes
• Lead planning, deployment, operations and performance with root‑cause resolution
• Drive automation, efficiency and observability across the entire network life‑cycle
• Build and lead an international engineering & operations organisation
• Act as the CEO’s primary technical partner and executive‑level representative

Requirements

• 15+ years in senior technology leadership within telecom or digital infrastructure
• Deep expertise in 5G Core, Open RAN and cloud‑native architectures
• Proven delivery in large‑scale network build‑out, rollout and operations
• Leadership experience in international engineering or operations teams (100+ FTE)
• Strong execution and transformation capability with clear, data‑driven decisions
• Solid CAPEX/OPEX understanding and business‑case orientation
• High resilience, ownership and ability to operate in fast‑moving environments
• Technical degree; fluent English (German a plus)

Why This Role Is Attractive

• Lead the build and scale‑up of Europe’s first fully virtualised, cloud‑native 5G network
• Broad end‑to‑end responsibility across architecture, engineering, rollout and operations
• High strategic relevance within a financially strong, publicly listed telecom group
• Real ability to shape technology, processes, structures and culture in a greenfield environment
• Direct collaboration with the CEO and visibility at executive and group level
• International vendor ecosystem, modern toolchain and no legacy constraints
• Long‑term mandate to build a scalable, automated and high‑performing network organisation

Apply

Apply via AIMS International – contact Gerd Olschewski , Senior Manager Executive Research, – AIMS International‑Germany GmbH (

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