L2 RAN Engineer

Our client, a multinational information technology services and consulting company, is searching for a L2 RAN Engineer to join their project in Romania.

Position Title:

L2 RAN Engineer

Position Type:

Consultant 3 months rolling

Start Date:

ASAP

Location:

Timisoara, Romania

Contact:

Iulia Balan | +49 (0) 89 23 88 98 62

Responsibilities:

Second-line Support & Troubleshooting:

• Handle escalated incidents and problems from L1 engineers, providing advanced troubleshooting across multi-vendor RAN equipment.
• Perform root cause analysis and drive permanent solutions to recurring network issues.
• Work with vendors and engineering teams on critical fault resolution and performance issues.

Performance & Optimization:

• Analyze network KPIs and provide recommendations for performance improvements.
• Conduct proactive health checks, capacity monitoring, and optimization of RAN nodes.
• Support tuning and optimization of 2G/3G/4G/5G features and parameters.
• Change and Configuration Management:
• Review and validate planned changes, ensuring minimal service impact.
• Perform and verify advanced configuration updates, software upgrades, and feature activations.
• Support automation initiatives and scripts for efficiency in operations.

Problem Management:

• Lead root cause investigations and create detailed technical reports.
• Identify trends in recurring faults and propose long-term network improvements.

Collaboration & Knowledge Sharing:

• Provide technical guidance, mentoring, and training to L1 engineers.
• Contribute to process improvements, documentation, and knowledge base development.
• Act as a bridge between NOC operations, field teams, engineering, and vendor support.

Qualifications:

• University degree in Telecommunications, Electrical Engineering, Computer Science, or
• equivalent.
• Experience in 24x7 operational environments.
• Strong understanding of SLAs, KPIs, and operational excellence.
• English (B2+ level minimum); German is a plus.
• 4–6 years of experience in RAN operations, with at least 2 years at L2 level or equivalent.
• Strong understanding of mobile network architecture, including 2G/3G/4G/5G technologies.
• Hands-on experience with multi-vendor RAN systems (Nokia, Huawei, Ericsson, etc.).
• Proficient in handling escalations, performing RCA, and delivering optimization actions.
• Familiarity with O-RAN architecture, CU/DU splits, and SDN/NFV-based deployments.
• Strong knowledge of TCP/IP, transport, and signaling protocols.
• Experience with containerized environments (Kubernetes, Docker) and Linux OS.
• Scripting/programming knowledge (Python, Shell, or Ansible) is a strong plus.
• Soft Skills:
• Strong analytical and problem-solving skills.
• Expert in RAN technologies: GSM, UMTS, LTE, and 5G NR (gNB, eNB, RNC, DU, CU, etc.).
• Strong experience with fault, performance, and configuration management.
• Familiarity with automation tools and data analysis platforms.
• Good knowledge of virtualization and cloud-native environments.
• Understanding of IP networking, routing, and security.
• Excellent communication skills to interact with customers, vendors, and internal teams.
• Ability to work independently and mentor junior team members.
• Proactive and adaptable to evolving technologies and processes.