Ahsan

Senior Network Engineer

FFC Energy Limited • Vollzeit

May 2020 - Present • 6 yrs 2 mos

Designed, implemented, and maintained enterprise network infrastructure across multiple locations, ensuring high availability and performance. Planned and deployed LAN, WAN, WLAN, SD-WAN, and Data Center networking solutions based on business requirements. Configured and managed Cisco, Juniper, Fortinet, Aruba, HPE, and Ruckus network devices. Implemented dynamic routing protocols including OSPF, BGP, EIGRP, and RIP for scalable and resilient network connectivity. Designed and deployed network segmentation using VLANs, VRFs, and Access Control Lists (ACLs) to enhance security. Managed next-generation firewalls, VPNs (Site-to-Site and Remote Access), NAT, IPS/IDS, and security policies. Deployed and administered Network Access Control (NAC) solutions, including Cisco ISE, for secure endpoint authentication. Implemented wireless enterprise solutions, optimizing RF performance, coverage, and client connectivity. Monitored network health using SolarWinds, PRTG, Zabbix, and other Network Management Systems (NMS). Performed proactive troubleshooting and root cause analysis for complex network and security incidents. Managed high-availability technologies including HSRP, VRRP, EtherChannel, and link redundancy. Collaborated with cloud teams to integrate hybrid networking across Microsoft Azure, AWS, and Google Cloud Platform (GCP). Participated in infrastructure migration, disaster recovery planning, and business continuity initiatives. Created network architecture diagrams, technical documentation, SOPs, and operational runbooks. Mentored junior engineers, reviewed technical designs, and provided Level 3 support for critical production environments. Ensured compliance with security standards, change management processes, and IT best practices.