Mobile Network Engineer (4G/5G & Private Networks), 100% in Zug

Job Summary:

We are seeking a highly skilled Mobile Network Engineer to support the planning, deployment, and optimization of 4G LTE, 5G NSA, 5G SA, and 5G private networks. The ideal candidate will have a deep understanding of end-to-end mobile network architecture, signaling protocols (including SS7, Diameter, SIP, NGAP), and experience working across both public and private mobile network environments. This role requires strong technical expertise, hands-on implementation experience, and the ability to collaborate with internal teams, vendors, and enterprise partners.

Key Responsibilities:

• Design, deploy, and optimize mobile network infrastructure for 4G LTE, 5G NSA, 5G SA, and 5G private networks.
• Lead or support the implementation of private 5G networks for enterprise or industrial use cases (e.g., manufacturing, logistics, campus networks).
• Configure and troubleshoot mobile network signaling protocols such as SS7, Diameter, S1AP, NGAP, and SIP.
• Integrate core and RAN components for both public and private mobile networks, ensuring secure and efficient operation.
• Analyze network KPIs and implement performance tuning for optimal user experience.
• Collaborate with vendors and partners for equipment selection, deployment, and troubleshooting.
• Ensure network solutions align with 3GPP standards and regulatory requirements.
• Document network architectures, configurations, and best practices for both public and private network implementations.
• Stay informed on emerging technologies in 5G, ORAN, edge computing, and network slicing.

Qualifications:

Required:

• Bachelor’s degree in Telecommunications, Electrical Engineering, Computer Science, or a related field.
• 3+ years of experience in 4G and 5G mobile network design, deployment, and operations.
• Hands-on experience with 5G private networks, including deployment models, licensing (e.g.local spectrum), and enterprise use cases.
• Solid understanding of mobile core network functions (EPC/5GC) and radio access technologies.
• Proficiency in signaling protocols: SS7, Diameter, SIP, S1AP, NGAP, etc.
• Experience working with vendors and system integrators in commercial or private mobile network environments.

Preferred:

• Experience with edge computing platforms and MEC (Multi-access Edge Computing) solutions.
• Familiarity with cloud-native infrastructure (e.g., Kubernetes, Docker) used in 5G core deployments.
• Exposure to ORAN, small cell technology, and enterprise RAN deployments.
• Certifications in mobile networks or vendor-specific technologies (e.g., Nokia, Ericsson, Huawei, Cisco).

Key Competencies:

• Strong analytical and troubleshooting skills.
• Effective communication and collaboration across technical and non-technical teams.
• Ability to manage multiple projects with competing priorities.
• Detail-oriented, with a focus on quality and operational excellence.

Place of work

• Telecom26 headquarter in Zug

For more information or to submit your resume and a cover letter highlighting your experience with 4G, 5G, and private mobile networks.: