Network and Firewall Admin

4 days ago

Mumbai, Maharashtra, India OpelOx Technologies Private Limited Full time ₹ 3,60,000 - ₹ 10,80,000 per year

Bachelor degree in Computer Science, Information Technology

with 7-8 yrs Experience in related field.

Technical Expertise

  • Knowledge and in-depth understanding of concepts of LAN, WAN, Wireless networks, Wired and Wireless connectivity, etc.

  • In-depth knowledge in functioning of various networking protocols such as TCP/IP, BGP, OSPF, EIGRP and its usage.

  • Knowledge and understanding of network topologies viz Star, Ring, Mesh, Hub Spoke.

  • In-depth knowledge on networking concepts e.g. IP addressing, subnetting, super-netting, routing, switching, VLAN, Understanding of OSI Model, TCP/IP, Protocols

  • Knowledge of various connectivity technologies ILL, MPLS, RF, P2P, OFC, etc.

  • Experienced in working on network devices firewalls, routers, switches, hubs.

  • Knowledge of functioning of end user/server operating systems like Windows, Linux, etc.

  • Experience on working on network security concepts VPN, IDS/IPS, ACLs, Firewalls, SD WAN

  • Working knowledge on network monitoring tools such as Wireshark, SolarWinds, Nagios, PRTG, MRTG, ManageEngine, etc

  • Cloud Networking: AWS, Azure, Google Cloud Platform

  • Working experience on various OEM hardware e.g. Cisco, FortiGate, Sophos, Juniper, etc.

  • Certification such as CCNA/CCNP, FortiGate NSE or equivalent are preferred.

Problem Resolution:


• Network Management

o Designing and implementing new solutions and testing the resilience of the existing network environment. Regularly monitor and maintain network infrastructure, ensuring optimal performance and minimal downtime.

o Ensuring network at platform and SPVs continues to operate efficiently with no or minimum downtime.

o Troubleshooting, diagnosing and finding solutions to potential network and related system issues, issues related to routers, switches, LAN, WAN, Wi-Fi, etc.

o Configure and manage network devices, ensuring they are up-to-date and secure.

o Continuously analyze network performance and implement improvements to enhance efficiency and reliability

  • Firewall Management

o Install, configure and support firewall infrastructure of the organization.

o Design and implement secure network architecture.

o Develop requirements for firewall rule implementation including source and destination IPs, Ports, Transport Protocol based on the business requirements.

o Troubleshooting Network security incidents. Monitor networks for suspicious activities

o Identifying root cause of incidents and making appropriate recommendation to avoid future failure

o Works with an experienced team of network engineers in performing vulnerability and fault analysis on enterprise perimeter devices, and developing and implementing system remediation and recovery plans

o Being proactive to anticipate issues or situations which impact service quality

Documentation and Reporting:

  • Create and maintain technical documentation, including system configurations, troubleshooting procedures, and knowledge base articles, network diagrams.

  • Maintain detailed records of network configurations, changes, and incidents for future reference.

  • Generate regular reports on network performance, network and security incidents, and trends for management review.

  • Carrying out routine maintenance which includes tasks like checking logs, running backups, and ensuring that all network devices are updated with the latest patches.

  • Expected/Desired to pursue relevant certifications stay abreast of industry trends, new technologies, and best practices to continuously improve skills and knowledge.

Job Type: Full-time

Pay: ₹60, ₹80,000.00 per month

Work Location: In person

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