Dumitru Agache

Key Roles & Responsibilities:

Agile Production Mode

• Managed a team of engineers handling complex RAN integration scenarios such as full site integrations, hardware swaps, and sector/band additions not covered by standard procedures.
• Ensured successful execution under high technical constraints, adapting to scenarios with incomplete instructions or out-of-scope cases.

Rollout program VERCORS

• Supervised a team of 16+ engineers conducting nationwide swap operations from Huawei to Ericsson equipment across 2G, 3G, 4G, and 5G technologies.
• Planned and tracked operational execution, assigned resources, and acted as primary point of contact for the client during rollout.

Key Roles & Responsibilities:

RAN Integration/support Engineer – Expert Production Mode

• Performed advanced integration/swap procedures in "expert mode" (without detailed documentation), ensuring full site commissioning.
• Manually generated and optimized configuration files; resolved parameter errors and cleaned alarms post-integration.
• Provided L2 technical support to multiple project teams and ensured compliance with internal standards.

Radio Methods Engineer (in the "Bureau de Méthodes" team)

• Configured pilot sites and authored official procedures for large-scale RAN swap programs (Huawei → Ericsson 2G–5G).
• Enhanced automation scripts used in the Auto Provisioning Tool and validated their accuracy pre-deployment.
• Supported integration teams, delivered technical briefings, and coordinated with engineering, design office, planning, and vendor teams (e.g., Bouygues Telecom, Ericsson, Nokia).

KA/KT NOC Support Engineer

• Participated in the Knowledge Acquisition & Transfer of Bouygues Telecom’s NOC activities to the delivery center.
• Developed internal documentation and led workshops for smooth operational transition; delivered Front Office activities after Go-Live and supported teams with real-time incident resolution.

RAN Integration Engineer – Multivendor Environment

• Integrated 2G/3G/4G/5G sites using Ericsson equipment: DUG, DUW, DUS, SIU, ROU, Basebands (5212, 5216, 6630, 6631, 6648), Ran Processors (6641, 6651).
• Executed hardware migrations (e.g., DU→BB/Ran Processor), and performed upgrades and expansion activities.
• Worked on large rollout programs involving site renovation, NB-IoT readiness, and 5G NR deployment.
• Provided support on Huawei sites during workload peaks:
  Experience with BBU3900 / BBU5900, RRUs (3201, 3202, 5501, 5905), and configuration of GSM/UMTS/LTE technologies.

🛠️Technologies & Tools:

• Ericsson: ENM, Basebands & Ran Processors (5212–6651), DU, SIU, ROU, RUS, RRUS, RRU22xx, RRU44xx, RRU2460, etc
• Huawei: BBU3900 / BBU5900, RRU 3201/3202/5501/5905 (basic)
• Equipment & Interfaces: DUG, DUW, DUS, SIU, R05 (XMU), ROU, CPRI, SFP, RF modules
• Domains: RAN Swap, New Site Integration, Change/Incident Management, Documentation

Key Responsibilities:

• Participated in functional, usability, and exploratory testing for web and mobile applications across multiple real-world testing environments.
• Reported bugs clearly and accurately using detailed reproduction steps, logs, and visual documentation (screenshots/video).
• Collaborated with test managers and other testers to execute structured test cases and provide user feedback.
• Worked with platforms such as Jira for test case management and defect tracking.
• Gained hands-on experience with QA methodologies (black box testing, regression testing, cross-browser testing, etc.).

Tools & Technologies:

• Platforms: Android, Windows
• Tools: Jira, Chrome DevTools, screen recording tools
• Types of testing: Functional, UI/UX, Exploratory, Regression, Localization

Key Responsibilities:

• Generated and modified transmission files for the integration of 2G / 3G / 4G / 5G nodes, including Microwave links, CEMv2, and FTTx technologies.
• Implemented transmission configurations on access routers such as Alcatel-Lucent 7750 SR / 7705 SAR and Cisco & Nokia - Cell Site Routers (CSG).
• Managed and supported a team of 6 engineers responsible for generating prerequisite transmission data for site integration.
• Performed removal of transmission configurations for decommissioned nodes from routers and network databases.
• Worked with Ericsson OSS (Network Manager), Network Functions Manager – Packet (NSP), and proprietary tools used in Bouygues Telecom’s transmission environment.

Key Technologies & Tools:

• Alcatel-Lucent 7750 SR / 7705 SAR and Cisco & Nokia - Cell Site Routers (CSG)
• Ericsson OSS, NSP, internal transmission toolkits
• Microwave, CEMv2 (AIRCOM RAD), FTTx
• IP/MPLS transmission networks

Key Responsibilities:

• Diagnosed and resolved hardware and software issues; replaced or upgraded defective components as needed.
• Managed system backups and implemented disaster recovery solutions to ensure business continuity.
• Administered and maintained Windows-based computer networks and computing environments, including hardware, system software, application software, and configuration management.
• Planned and enforced network security measures to safeguard data, systems, and infrastructure.
• Monitored system and network performance; ensured reliable access and optimal usage for all users.
• Recommended and implemented improvements to system and network configurations, including hardware/software upgrades.
• Provided technical support to end users; collaborated with stakeholders to troubleshoot and resolve complex system issues.

Key Responsibilities:

• Provided technical support to both corporate and residential clients, ensuring timely resolution of service incidents.
• Handled issues related to mobile telephony, IPTV, broadband VPN, and internet connectivity (ADSL / FTTx).
• Monitored and managed VPN connections and special configurations across all network nodes.
• Used remote access tools to diagnose and resolve network incidents, directly interfacing with IP transport infrastructure.

Technologies & Services:

• VPN, ADSL, FTTx, IP Transport, Mobile Telephony, IPTV
• Remote troubleshooting platforms and monitoring tools
• Multilingual support: Romanian, Russian

Key Skills Developed:

• Clear and effective communication with both technical and non-technical users
• Strong problem-solving and remote troubleshooting abilities
• Teamwork and coordination in a dynamic technical support environment
• Adaptability to flexible schedules and high-pressure situations