Senior Network Engineer

1 month ago


pune, India PubMatic Full time

Responsibilities:

- Manage IP connectivity and latency for all data center networks
- Configure BGP transit and private peering
- Need to work with Architect team on plans for various networking solutions
- Manage and perform WAN installations
- Manage network performance improvements and enhancements
- Monitor and scale network bandwidth as needed
- Implement future PubMatic service data centers (domestic or International)
- Plan and execute complex network upgrades and migration activities
- Manage all aspects of network security (load balancers, firewalls. router ACLs)
- Manage Remote Access for PubMatic users and clients
- Perform network hardware/software maintenance
- Proactively plan for scale and infrastructure growth
- Research new tools and network technologies
- Update/standardize device firmware as needed
- Manage service requests and support tickets
- Travel to data centers occasionally
- On-call after-hours and emergency support as needed
- Manage vendor support issues and engagements
- Deliver projects within an aggressive timeframe and under pressure
- Communicate and document infrastructure changes and enhancements

Qualifications

Skills and Experience:

- 5-8 yrs exp. with Juniper Enterprise Routers and Switches
- 5-8 yrs with routing protocols - BGP, OSPF, VRRP and traffic engineering
- 5+ yrs with network-based ACL’s, policy-based routing, and firewall management
- 5-8 yrs exp. with NAT, VLANs, VLAN tagging, MAC address tables, and switching
- Ability to generate and maintain technical documentation and network diagrams
- Experience with VXLAN, Virtual-Chassis and MC-LAG on Juniper gear using best practices and implementing the appropriate spanning tree protocols on TORs in such environments.
- Experience working with carrier circuits (installation, activation & troubleshooting)
- Experience working on Palo Alto Firewall and Fortinet firewalls. Experience with IPSec VPN, MFA for VPN access.
- Experience working in a DevOps environment and using network automation tools such as Ansible, Git and Python.
- Experience troubleshooting complex network issues.
- Experience contributing to monitoring and alerting systems.

Additional Skills of use:

- JNCIE/CCIE or equivalent experience with Juniper, Cisco and Arista platforms
- CISSP/ Knowledge of network security including IDS, DDoS, and other distributed attack
- IPv6 experience and knowledge
- Operational experience with flow based technologies
- UNIX/Linux OS Networking knowledge



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