Network Security Administrator

Jio; Mumbai; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Jio is seeking a Network & Security Administrator in Mumbai with 7–9 years of experience to oversee 24x7 network operations, configure and troubleshoot security devices, and ensure SLA adherence. The role requires hands-on expertise with Cisco ACI, firewalls, load balancers, and enterprise ITSM processes.

Strong communication and teamwork are essential for success. Candidates should hold a relevant engineering degree and certifications, and be prepared to operate in a high-availability data

Qualifications

• B.E./B.Tech in Electronics/Computers/IT or related streams.
• 5+ years of IT infrastructure project and operations experience.
• 7–9 years of work experience.
• Technical OEM certifications for network & security products.
• Experience with enterprise service management, ITIL, monitoring, and service desk.
• Exposure to Cisco ACI, FTD, and load balancers.

Responsibilities

• Provide 24x7 operational support for network components (Routers/ Switches/ WAN accelerators/ load balancers).
• Configure, manage and troubleshoot security infrastructure (firewalls/ IDS/ IPS).
• Maintain SLA/OLA and TAT standards.

Skills

Network devices

ACI Networking

Load Balancing

Firewall

Routing & Switching

Security integration

DNS/NTP

Remote Management

Education

B.E./B.Tech in IT/Electronics

Tools

Cisco ACI

FTD Firewalls

Load Balancers

IDS/IPS

VPN Gateways

Remote Management Tools

Job description

Jio is inviting applications for the role Network & Security Administrator

Requirements

• B.E./B.Tech in Electronics / Computers / IT / Electronics & Telecommunication / or other relevant streams.
• Experience of 5+ Years in the field of IT infrastructure projects & operations, preferably in Data Centers, Large IT Setup, Mission Critical IT Infrastructure in Telecom/ Banking/ etc.

Work Experience: 7–9 Years

• 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.
• Exposure to technologies like Cisco ACI, FTD firewalls, load balancers.
• 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.

Key Responsibilities

Scope

• Provide subject matter expertise for the 24x7 operational support for network component (Routers, Switches, WAN Accelerators, Load Balancers, etc.) installation, management, configuration and troubleshooting expertise inclusive of passive components.
• To provide expertise for configuration, management and troubleshooting Security Infrastructure components like Firewalls/ IDS/ IPS/ etc.
• Maintaining Service Level Agreement (SLA) or OLA (Operational Level Agreement) of highest standards and Turn-Around Time (TAT) as agreed.

Technical Skills

• Expert level skills in configuring & troubleshooting of Network devices (LAN Switches/ Router/ Load Balancers). Preparing the Hardening Guidebook and necessary automation tool-kit. Also carryout hardening of the network devices as per the laid guidelines.
• In-depth knowledge and experience in configuring & troubleshooting of Security devices (Firewalls/ IDS/ IPS).
• Hands on and Troubleshooting experience on ACI Network and Data center technologies.
• Strong experience with L4-L7 Load balancing, firewall etc.
• Good understanding of inter and intra tenant traffic flows, contracts.
• Advanced operational and troubleshooting skills of routing, switching and application flows.
• Broad experience in integration of service appliance to Cisco ACI deployments to includes load balancers and firewalls.
• Advanced Level of configurations for high availability like Active-Passive or Active-Active Cluster setup, etc.
• Configuration of routing & switching protocols like BGP, OSPF, STP, RSTP, etc. and troubleshooting of the same.
• Integration with Infrastructure Components like Active Directory (AD)/ LDAP/ AAA/ Radius, NTP, Domain Name Service (DNS), Logging Servers, etc.
• 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.

Responsibilities

The key responsibilities are highlighted below. The candidate is:

• Expected to build, deploy, configure, manage & troubleshoot the LAN/ WAN network using the skills mentioned along with configuration for high availability. Also carryout hardening of the devices as per the laid guidelines.
• Primary responsibility would be to recover the network from any outage and ensure timely performance management activities are being carried out.
• Expected to provide advance level of support to be provided for ensuring that the SLA/ OLA/ TAT parameters are met.
• Required to be knowledgeable in other Infrastructure components (like AD/ LDAP/ AAA/ Radius, NTP, Domain Name Service (DNS), Logging Servers etc. and TCP/IP concepts in order to assist in pinpointing problems that may or may not involve the network operations.
• Required to be versed with various eco-system software packages (mentioned above) for such activities as monitoring, configuration and troubleshooting as well as remote management.
• Expected 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).
• Expected 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 updating/ modification requirements.
• Expected to prepare RCA reports and suggest mitigation strategies.
• Document network changes, incident resolutions, and root cause analysis reports.
• Maintain updated network diagrams, standard operating procedures (SOPs), and configuration documents.
• 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.