RAJIB CHOWDHURY
ADELAIDE,Australia
Summary
Highly skilled IT Network & Systems Engineer with a successful track record at Bitwise Technology and Pacific Knitex Limited. Specializing in network deployment, security, server administration, and cloud migration. Strong proficiency in configuring routers, switches, firewalls, and troubleshooting network issues for minimal downtime and optimal performance. Solid background in network security, VPNs, and load balancing. Methodical approach to tasks ensures thoroughness and accuracy in all projects. Known for strong work ethic and focus on delivering quick results with minimal errors.
Overview
11
11
years of professional experience
1
1
Certification
Work History
IT Network & Systems Engineer
Bitwise Technology
05.2024 - Current
- Configure and manage network devices, implement network protocols (TCP/IP, DHCP, DNS), and monitor network performance to ensure optimal connectivity and reliability
- Provide Level 2/3 technical support, troubleshoot complex issues, and escalate to higher-level support as needed
- Provide technical support to Windows, Linux and Mac based users, POS, and troubleshoot regular network, Data recovery, and hardware problems
- Implement robust security measures such as firewalls, intrusion detection systems, and access controls to protect sensitive data
- Conduct regular security audits and vulnerability assessments
- Administer server operating systems (Windows Server, Linux) configure, and deploy virtual servers (ESXI, VMWARE, Hyper V) to optimize performance and resource utilization
- Cloud infrastructure maintenance (Azure, Office 365 Email), deployment, and troubleshooting
- Analyze service tickets and deliver technical support in accordance with the service request
IT Sub-Contractor – Geeks2u Pty Ltd.
Bitwise Technology
11.2022 - 05.2024
- Provided technical support, diagnosing, and resolving network and systems-related issues
- Monitored and optimized system performance, identifying and rectifying performance bottlenecks to ensure smooth operations
- Proficient in hardware, network, and software troubleshooting, with expertise in server and Microsoft Office 365 administration, including software licensing and purchase planning
- Providing virtualization services, along with backup and recovery solutions
- Managing system security features like threat intelligence feeds and intrusion prevention systems and providing endpoint solutions
Assistant Manager IT (Network & System)
Pacific Knitex Limited Bangladesh
02.2022 - 06.2022
- Design, implement, and maintain complex network infrastructures, including routing protocols (RIP, OSPF, BGP), switching technologies (VLANs, STP), access policies and wireless technologies
- Implement and manage network security solutions, such as firewalls (Cisco ASA, TMG, Palo Alto), intrusion detection systems (IDS/IPS), VPNs (IPsec, SSL), and secure access control
- Diagnose and resolve network issues, including connectivity problems, performance bottlenecks, and security breaches, using tools like Wireshark, and network analyzers
- Design, implement, and manage cloud-based network solutions, including virtual networks, load balancers, and VPNs on platforms like AWS, and Azure
- Implement network monitoring tools (Nagios, Zabbix) to proactively identify and resolve network issues
- Manage network devices using tools like Cisco Prime, and SolarWinds
- Multilevel backup planning and daily maintenance checks of network and server infrastructures
- Conduct staff training sessions to enhance IT skills and knowledge within the complex
IT Administrator
Taqwa Friends Agro
01.2019 - 02.2022
Executive IT (Core Network & Systems)
Regency Garments Ltd.
02.2017 - 06.2018
Executive (Management Information System)
HKD International Ltd.
02.2014 - 02.2017
Education
Master of Information Technology Advanced -
Torrens University Adelaide
Adelaide, South AustraliaBachelor of Science - Electronics and Telecommunication Engineering
USTC
Skills
- Windows administration
- Network troubleshooting
- Data center operations
- Firewall administration
- Network security
- Load balancing
- Disaster recovery
- System administration
- Storage area networks
- Virtualization technologies
- Linux administration
- Azure and AWS migration
Accomplishments
► Best Executive Awards 2015 issued by HKD International CEPZ.
► Recognizing exceptional leadership, innovation, and successful project delivery at TAQWA FRIENDS AGRO.
► IT Project management in Pacific Knitex Limited.
Certification
- Linux Server Administration (RED HAT and CentOS), New Horizons Chittagong, Bangladesh
- CISCO CCNA - CERTIFIED, New Horizons Chittagong, Bangladesh
- MTCNA - CERTIFIED, Bijoy Online, Chittagong, Bangladesh
- Windows Server & Microsoft Azure Administrator, CSL Dhaka, Bangladesh
- Office 365 Email Administrator, Google Workspace Administrator, Udemy
- Palo Alto Firewall, Fortinet Firewall Administrator, Udemy
- VMware vSphere and Hyper V Administrator, Udemy
Workingrights
Fulltime working rights available (Visa Subclass 485)
Personal Information
Title: NETWORK AND SYSTEMS ENGINEER
References
Available on request
Honorsandawards
- Best Executive Awards 2015 issued by HKD International CEPZ.
- Recognizing exceptional leadership, innovation, and successful project delivery at TAQWA FRIENDS AGRO.
- IT Project management in Pacific Knitex Limited.
TRAINING & CERTIFICATION
► Linux Server Administration (RED HAT and CentOS), Location: New Horizons Chittagong, Bangladesh.
► CISCO CCNA - CERTIFIED, Location: New Horizons Chittagong, Bangladesh.
► MTCNA - CERTIFIED, Location: Bijoy Online, Chittagong, Bangladesh.
► Windows Server & Microsoft Azure Administrator, Location: CSL Dhaka, Bangladesh.
► Office 365 Email Administrator, Google Workspace Administrator - Udemy.
► Palo Alto Firewall, Fortinet Firewall Administrator - Udemy.
► VMware vSphere and Hyper V Administrator - Udemy.
Timeline
IT Network & Systems Engineer
Bitwise Technology
05.2024 - Current
IT Sub-Contractor – Geeks2u Pty Ltd.
Bitwise Technology
11.2022 - 05.2024
Assistant Manager IT (Network & System)
Pacific Knitex Limited Bangladesh
02.2022 - 06.2022
IT Administrator
Taqwa Friends Agro
01.2019 - 02.2022
Executive IT (Core Network & Systems)
Regency Garments Ltd.
02.2017 - 06.2018
Executive (Management Information System)
HKD International Ltd.
02.2014 - 02.2017
Bachelor of Science - Electronics and Telecommunication Engineering
USTC
Master of Information Technology Advanced -
Torrens University Adelaide
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