L3 Network Security

Position

L3/ SME Network Security O&M

Locaton :

Pune & Bhubneshwar

Scope

Provide subject matter expertise for the 24x7 operational support for network security components like firewalls and load balancers. Provide expertise on the installation, management, configuration and troubleshooting expertise on these devices.

Maintaining Service Level Agreement (SLA) or OLA (Operational Level Agreement) of highest standards and Turn-Around Time (TAT) as agreed.

Assist with automation of mundane tasks for the network security operations team.

Technical Skills

Expert level skills in configuring & troubleshooting of firewalls or load balancers. Work with security team for preparing the Hardening Guidebook and necessary automation tool-kit. Carryout hardening of the network security devices as per the laid guidelines.

Advanced Level of configurations for high availability like Active-Passive or Active-Active Cluster setup, etc. applicable for Disaster Recovery scenarios with pre-defined RTO & RPO

Technical OEM certifications for Network & Security products or technologies

Exposure to F5/Citrix Netscaler load balancers.

Exposure to Cisco/Palo Alto/Checkpoint firewalls.

Configuration of firewalls per set guidelines

Configuration of load balancers including load balancing mechanisms, content switching config per business rules.

Integration with Infrastructure Components like Active Directory (AD)/ LDAP/ AAA/ Radius, NTP, Domain Name Service (DNS), Syslog

Expert level knowledge of IP addressing schemes (IPv4 & IPv6)

Knowledge of log co-relation engines/ methodology would be an advantage

Should have worked in Remote Management environment using tools.

Basic scripting skills would be an added advantage.

Responsibilities

The key responsibilities are highlighted below. The candidate is

oExpected to build, deploy, configure, manage & troubleshoot the firewalls and load balancers using the skills mentioned along with configuration for high availability.

oWork closely with business/application support teams to understand and deploy required architecture on firewall/load balancers.

oPrimary responsibility would be to recover the service from any outage and ensure timely performance management activities are being carried out.

oExpected to provide advance level of support to be provided for ensuring that the SLA/ OLA/ TAT parameters are met.

oDrive automation for the network security team.

oRequired to be versed with various eco-system software packages (mentioned above) for such activities as monitoring, configuration and troubleshooting as well as remote management.

oExpected to coordinate for repairs, replacements, patches or upgrades of hardware/ software with third party vendors / OEMs and business partner in order to minimize impact to SLA by following Material Management & Movement processes (if required).

oExpected to assist in troubleshooting connectivity failures which impact services like Monitoring, Backup, etc. Expected to provide inputs for Shift-wise/ Daily/ Weekly/ Monthly reporting requirements in addition to the Asset Management record updation/ modification requirements.

oExpected to prepare RCA reports and suggest mitigation strategies.

oDevelop and maintain network topology documentation, configurations, and operational procedures.

oTroubleshoot complex network issues across multiple layers (L1-L7), providing timely resolutions to minimize downtime.

oAct as an escalation point for complex issues that require deep technical expertise.

Requirements

• Exposure to F5/Citrix NetScaler load balancers.
• Exposure to Cisco/Palo Alto/Checkpoint firewalls.
• Exposure on Network Router and Switches, Nexus and ACI. etc.
• Should have technical OEM certifications for Network & Security products or technologies (Routers, Switches, Load Balancers, WAN Accelerators, Firewalls, IDS/IPS, VPN Gateways, etc.)
• Knowledge or experience of using Enterprise Service Management tools for automated testing, Monitoring (for OS, Network, Applications, etc.), Event correlation engines, Service desk (ITIL compliance, workflow and Self Service), etc.
• Experience in a multi-vendor environment would be an added advantage.
• Demonstrated problem solving skills, strong conceptual and analytical skills along-with ability to work as an effective team member.
• Excellent verbal and written communications skills.
• Soft skills Interpersonal relationship management, Time Management

Who Can apply

B.E./B.Tech in Electronics/ Computers/ IT/ Electronics & Telecommunication/ or other relevant streams.

Experience of 8+ Years in the field of IT infrastructure projects & operations, preferably in Data Centers, Large IT Setup, Mission Critical IT Infrastructure in Telecom/ Banking/ etc.

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