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RAN Optimization Expert (Ericsson Focus)

São Paulo

Job description

As a RAN Optimization Expert specializing in Ericsson technologies, you will lead optimization efforts for live 4G and 5G networks, ensuring superior performance, coverage, and capacity. Representing our client on-site, you will collaborate directly with teams and client stakeholders in central São Paulo, driving customer-facing initiatives to resolve network issues and propose enhancements. This role demands hands-on availability at client offices, strong Ericsson tool proficiency, and a customer-oriented approach to deliver measurable improvements in network KPIs.

Key Responsibilities:

Perform end-to-end RAN optimization for Ericsson-based 4G/5G networks, including parameter tuning, neighbor planning, and interference management.
Analyze drive test data, KPIs (e.g., throughput, latency, drop rates), and use tools like Ericsson ENM (Element Network Manager), OSS-RC, and MO (Managed Objects) for root cause analysis and corrective actions.
Conduct customer-facing reviews and workshops with telecom operators, presenting optimization reports, recommendations, and ROI impacts.
Collaborate on-site with engineering teams and client RF teams to integrate solutions and troubleshoot live network issues.
Develop and implement optimization strategies to improve coverage, capacity, and user experience in urban São Paulo environments.
Document processes, create optimization guidelines, and support handover to operations teams.
Monitor post-optimization performance and iterate on improvements to meet SLAs.
Ensure compliance with Ericsson best practices and Brazilian regulatory standards

Requirements

Requirements:

Education: Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, or a related field (or equivalent professional experience).

Experience:

Minimum of 5+ years in RAN optimization, with at least 3 years focused on Ericsson platforms (4G LTE and 5G NR).
Proven track record in customer-facing roles, including direct interaction with telecom operators (e.g., Vivo, TIM, Claro) for optimization projects.
Hands-on experience with Ericsson tools such as ENM, OSS, RBS (Radio Base Station) configuration, and optimization scripts.
Experience in high-density urban deployments, including small cells, massive MIMO, and beamforming optimization.

Technical Skills:

Expertise in RAN optimization techniques (e.g., antenna tilting, power control, handover optimization).
Proficiency in drive testing tools (e.g., TEMS, Nemo) and post-processing analysis.
Strong knowledge of 3GPP standards for 4G/5G, including NR features like URLLC and eMBB.
Familiarity with scripting (e.g., Python, SQL for data analysis) and automation in optimization workflows.
Experience with multi-vendor environments is a plus.

Language Skills:

Fluency in Portuguese (spoken and written) – mandatory for on-site client interactions in Brazil.
Professional proficiency in English – required for technical documentation, Ericsson tools, and international collaboration.

Soft Skills:

Excellent customer-facing communication and presentation skills to build trust with clients.
Strong analytical mindset with the ability to translate complex data into actionable insights.
Proactive problem-solver who thrives in fast-paced, on-site environments.
Ability to travel within central São Paulo as needed for client and client visits.

Availability & Logistics:

Full availability for on-site work at client offices and client sites in central São Paulo (no remote option).
Immediate availability for pre-start onboarding in December 2025.
Valid work authorization in Brazil (e.g., CPF, visa if applicable).

Nice-to-Have:

Ericsson certifications (e.g., Ericsson Certified RAN Optimization Specialist or 5G NR Optimization).
Experience with AI/ML-driven optimization tools or predictive analytics in RAN.
Knowledge of OSS/BSS integration and network slicing for 5G.
Previous on-site representation for consulting firms in telecom projects.

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