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Network Security Engineer

Bengaluru, KA
Job Code:
  • IT
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Job Details

Network Security Engineer is responsible for the delivery and management of network services in a global enterprise environment. The individual directly manages a global network infrastructure and will be responsible for leading, planning, and organizing the efforts for the management of all network hardware and software resources. The person should have sound knowledge to one or more Vulnerability Scanners, Intrusion Detection and Prevention Systems, Firewalls, Directory Services, Endpoint Security and Network (routers/switches) infrastructure devices, appliances. Responsible for maintaining service levels, as well as oversight of the day to day configuration, administration and monitoring of the network infrastructure in a 24/7 environment.Key ResponsibilitiesProactively utilize network monitoring tools to isolate events before service degradation occurs.Coordinate with users and Internet Service Providers to ensure timely and satisfactory resolution for any trouble tickets.Troubleshooting layers 1, 2 and 3 of the OSI Model.Apply security patches as required.Create technical documentation, network diagrams, inventory control documentation, and security documentation.Work trouble tickets as assigned by Tier II lead.Conduct daily performance checks on Cisco devices (CPU utilization, system logs, system errors, others as required).Perform immediate troubleshooting as the situation dictates for any and all network outages as reported by users, sensors, and/or operational personnel.Define network security best practice policies for both corporate and production environments.Implement, and maintain network security policy, standards, and procedures.Deploy and maintain access-list and firewall policies for high throughput environments.Define network security best practice policies for both corporate and production environments.Design and implement firewall, VPN, and IDS/IPS solutions for office and data-centre environments.Build and support a network log aggregation infrastructure and support incident response initiatives.Design and develop tools for detection of malicious network activity.Provide 24/7 on-call security operational support on a rotational basis. QualificationsBachelor's Degree with minimum of 4-5 Years of Experience as a Network Engineer is requiredThorough knowledge of IP networking principles.Robust experience with addressing, sub-netting, routing, switching, VLANs, VTP, STP, NAT, VPN, 802.1x, VRRP, HSRP etc.Hands-on experience implementing, administrating and troubleshooting network devices Cisco ASA, Cisco network switches, wireless controllers/APs, and routers; network load balancers.Strong knowledge of firewall policies, NAT rules, IP SLA, VoIP, SIP, IPSec VPN, IDP & IPS, RADIUS, and TACACS.Borderless networks, SSL VPNs, Cisco AnyConnect experienceStrong knowledge of IP routing protocols OSPF, BGP, EIGRP, QoS, GRE, NetFlow WAN technologies.A good level of experience implementing and administering common TCP/IP based services, including DNS, DHCP, HTTP, FTP, SSH, SMTP, etc.Experience with standard network and security change and configuration control policies.In-depth knowledge of network monitoring and administration tools (Nagios, OpenNMS, and Zabbix).Operational experience with network security issues and access control mechanisms.Must be able to work effectively with little supervision as well as in a team environment.Ability to develop and document operational and crisis response procedures.Ability to work in a fast-paced, rapidly growing environment while balancing multiple, sometimes competing priorities successfully.CCSP or CISSP Certifications is a plusAbility to work on-call and respond to production issues on a 24x7 basis and extending beyond Normal Working Hours.
Degree: MCA/ PGDCA

Additional Degree: BE/ B.Tech (Engineering) | BCA (Computer Application)

Experience: 4-5


H/W Installation/Maintenance | Network Planning | Security | Switching/Router
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