Sarjana Jahan Chowdhury
Sydney,NSW
Summary
Postgraduate engineer known for driving operational excellence through effective network troubleshooting, strategic planning, and project management. Experienced in network performance optimization and team leadership, committed to delivering impactful results.
Overview
9
9
years of professional experience
Work History
Sr Operations Engineer
Summit Communications Limited
Dhaka, Bangladesh
01.2019 - 12.2021
- Conducted network performance checks and analyzed expansion plans.
- Managed end-to-end inventory of fiber materials for operational activities.
- Executed product configurations and facilitated network migration tasks.
- Performed Level 1 troubleshooting for existing network operations.
- Developed project plans, coordinated team activities, and ensured timely project delivery.
- Directed and supported operational teams in equipment and network maintenance per SLA.
- Prepared BOQs and RFPs for internal and external project stakeholders, establishing KPIs and SLAs.
- Managed resources effectively based on network volume to optimize outcomes.
Operations Engineer
Summit Communications Limited
Dhaka, Bangladesh
01.2013 - 12.2018
- Established MPLS backbone by configuring Juniper router for 2G, 3G, and 4G data transmission.
- Planned and designed optical fiber core to enhance nationwide network infrastructure.
- Directed resource planning to implement mobile back-hauling solutions for leading telecom operators.
- Conducted regular fault ticket analysis and troubleshooting to optimize network performance.
- Performed daily network monitoring and drill tests to assess signal integrity and temperature levels.
- Executed quarterly preventive maintenance on active devices and passive fiber routes.
- Managed inventory and reconciled spare devices through vendor agreements and AMCs.
- Ensured 99.99% SLA for long-haul connectivity via ongoing maintenance and improvement activities.
Education
Master of Science - Electrical Engineering
Western Sydney University
Sydney, NSW06-2023
Bachelor of Science - Electrical And Electronic Engineering
American International University
Dhaka, Bangladesh02-2012
Skills
- Network troubleshooting
- MPLS configuration
- Project management
- Fiber network design
- SLA management
- Operational planning
Professional Training
- CISCO ASR9000 & ASR900
- Basics of DWDM Network
- Building personal credibility (RNO)
- IP/MPLS Juniper Network(Advanced)
- IP/MPLS & Juniper Configuration by Juniper
- Cisco Certified Network Associate (CCNA) boot camp
Training on Tools:
- Tejas EMS: Fault monitoring, analysis, and troubleshooting
- AutoCAD 2016 and above, GIS
- ZTE NMS-DWDM fault handling
- Juniper NMS: Fault handling and troubleshooting
References
References available upon request.
Timeline
Sr Operations Engineer
Summit Communications Limited
01.2019 - 12.2021
Operations Engineer
Summit Communications Limited
01.2013 - 12.2018
Master of Science - Electrical Engineering
Western Sydney University
Bachelor of Science - Electrical And Electronic Engineering
American International University
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