L3 Network Admin

4 weeks ago

bangalore, India HTC Global Services Full time

Job Description:


L3 Network Admin (Core/ Security and Edge)

  • 7+ years’ experience in IT Infrastructure Operations as a Network Security Engineer or similar role
  • Configure, deploy, and maintain Cisco routers and switches to ensure optimal network performance and security.
  • Manage Juniper SRX series firewalls, including SRX340, SRX240, and SRX4200 , to enforce security policies and protect against cyber threats.
  • Conduct firewall audits using Firemon tool to assess and enhance security posture.
  • Administer Palo alto and Zscaler VPN for secure vendor access to our network resources.
  • Oversee firewall management platforms, including Juniper Space. and Palo Alto Panorama , to streamline operations and enhance visibility.
  • Manage Palo Alto firewalls across data centers, manufacturing sites, and global offices to safeguard network assets and sensitive data.
  • Assist in the implementation and optimization of Fortinet firewalls to strengthen network security posture.
  • Integrate Elastic Search into security operations and vulnerability management processes to enhance threat detection and response capabilities.
  • Design and implement cloud integration solutions to connect on-premises infrastructure with cloud environments, leveraging technologies such as F5, DDI/IPAM (EfficientIP)
  • VPN/MFA, and Internet Gateways .
  • Management of Juniper Mist Wireless controller and Access points
  • Maintenance of core routing and switching infrastructure, including BGP and OSPF protocols , to ensure efficient data flow and connectivity.
  • Collaborate with cross-functional teams to integrate Identity Services Engine (ISE) for network access control and policy enforcement.
  • Provide support for data center infrastructure, including on prem store DF and Equinix facilities to ensure reliability and uptime of critical systems.
  • Excellent command over Incident, Problem, Change and Service request management
  • Skilled in network automation and should know Python, Ansible and Terraform
  • Knowledge of network inventory management and asset management.
  • Experience on performing Firmware upgradation of vendor devices like Juniper and Cisco
  • Configuration and Management of Cisco Application Centric Infrastructure (ACI), SDWAN & Juniper MIST SSR Platform


Qualifications:

  • Bachelor’s degree in computer science, Information Technology, or related field.
  • Proven experience in network security engineering, with expertise in Cisco, Juniper, Palo Alto, and Fortinet technologies.
  • Proficiency in configuring and managing Cisco and Juniper routers and switches.
  • Hands-on experience with Juniper SRX series firewalls and Firemon firewall auditing tool.
  • Strong understanding of VPN technologies, particularly Palo Alto VPN
  • Familiarity with firewall management platforms such as Juniper Space and Palo Alto Panorama.
  • Experience deploying and managing Palo Alto firewalls in enterprise environments.
  • Knowledge of Fortinet firewall implementation and optimization is a plus.
  • Excellent communication skills and ability to collaborate effectively in a team environment.
  • Relevant certifications such as CCNA, CCNP, JNCIA, JNCIS, PCNSA, PCNSE, or FCNSP will be advantageous


How to Apply:

  • Interested professionals are invited to submit their resume and cover letter to
  • Please include "L3 Network Admin (Core/ Security and Edge)" in the subject line.

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