SIBBIR AWAN

Radio Access Engineer

Robi Axiata Bangladesh Ltd · 2021 – Present

• Modified and tuned parameters for various radio access network (RAN) products — base transceiver station (BTS), base station controller (BSC) and radio network controller (RNC) — based on customer complaints to enhance user experience.
• Created health check reports for radio and IP networks, ensuring optimal performance and safeguarding against cyber or external threats.
• Implemented preventive measures remotely during natural disasters to ensure uninterrupted emergency telecom support in affected areas.
• Troubleshot and provided remote support to field engineers in the maintenance and configuration of diverse RAN products deployed across Bangladesh, enabling seamless 2G, 3G and 4G services.

Field Support Engineer

E.CO Bangladesh Company Ltd · Noakhali · 2019 – 2021

Field responsibilities

• Troubleshooting BTS and transmission hardware (Ericsson DUW, Mini-Link transmission).
• Onsite support for rectifier troubleshooting (Emerson / Eltek / Huawei / DPDC); quality control for solar installation and other outdoor activity.
• PAT for various new roll-out equipment.

Office responsibilities

• Network monitoring in roster to ensure DC power supply and hardware functioning (Robi Noakhali zone).
• Maintained third party by providing TT for refueling and PG run purpose; monitoring and maintenance of TN and RTN link equipment.
• Handling various types of quality TT such as E1 error check, VSWR issue, etc.

RAN Engineer

ZTE Corporation Bangladesh Ltd · 2017 – 2019

Banglalink NEC cutover — Khulna zone · Worth $8M

Key achievements

• Upgraded over 500 sites from 2G to 3G within the first quarter, enabling early revenue generation.
• Maintained network uptime above 99.9% SLA through proactive issue identification and rectification.

RAN implementation & optimization

• Deployed 25+ RNCs and 2500+ NodeBs nationwide for Banglalink's 3G upgrade.
• Single-handedly installed and commissioned all radio network equipment within tight timelines.

BSS Engineer

Huawei Technologies, BD

Banglalink GSM BTS Swap & Expansion · Worth $2M

• Led hot-swap of 500+ BTS units, completing cutovers seamlessly with zero downtime.
• Deployed in-building BTS solutions in major commercial buildings to enhance coverage.
• Conducted RF optimization to maximize throughput and satisfy KPI targets.

Bharti Airtel Implementation · Worth $5M

• Deployed 50+ BSC and 1000+ BTS units nationwide for the carrier's 3G rollout.
• Managed 20+ field engineers and met aggressive monthly installation targets.
• Streamlined processes to reduce commissioning times by 30%.