Title: Deputy Manager – Core Network
Company Name: CoLoCity Data Centre
Vacancy: 1
Age: 32 to 42 years
Job Location: Anywhere in Bangladesh
Salary: Tk. 80000 - 100000 (Monthly)
Experience:
CCNA, CCNP, JNCIP-SP, MikroTik MTCNE, MikroTik MTCRE
1. Routing & Switching: BGP, OSPF, Static Routing, Policy-Based Routing, VRRP.
2. MPLS Technologies: MPLS, MPLS L3VPN, Traffic Engineering (preferred), Segment Routing (preferred)
3. Broadband Technologies: PPPoE, DHCP, CGNAT, BNG, RADIUS integration, IPv4/IPv6.
4. Internet Services: IP Transit, IX Peering, Private Peering, IP Address Management
5. Network Security: ACL, RTBH, BGP Communities, DDoS Mitigation, Firewall integration.
6. Monitoring & Automation: Zabbix, LibreNMS, Cacti, Grafana, SNMP, NetFlow/sFlow, Syslog
7. Minimum 4-5 years work experience in core network.
8. Experience on operating network with 100G Backbone Capacity will be an added advantage.
Design, implement, and maintain the ISP's IP Core Network.
Manage Core Routers, Aggregation Routers, Broadband Network Gateway (BNG), and Internet Gateway infrastructure.
Manage Internet upstream connectivity and peering.
Monitor network capacity and perform capacity planning.
Ensure high availability and redundancy of the core network.
Lead network expansion, migration, and upgrade projects.
Coordinate with NOC, Transmission, EPON/GPON, and Customer Support teams during troubleshooting.
Analyse network performance and implement optimization strategies.
Manage DDoS mitigation, routing security, and traffic engineering.
Prepare and maintain network documentation, diagrams, and SOPs.
Lead root cause analysis (RCA) for major incidents.
Maintain SLA compliance and minimize network downtime.
Work with vendors for implementation, support, and maintenance activities.
Participate in emergency maintenance and after-hours support when required.