Senior Consultant

Atos Information Technology GmbH; Chennai; On-site; INR 700,000 - 1,100,000; Full time

Job summary

Atos Information Technology GmbH is seeking a network operations professional to handle incident and problem tickets for network, wireless, and VoIP systems in Chennai. You will support Cisco, Juniper SRX, and Checkpoint devices, manage IP allocations, and assist with CM and Unity configurations.

A strong foundation in OSI/TCP/IP and monitoring tools is essential. The role involves collaboration with service providers and IT teams to maintain SLA adherence, review Nimsoft alerts, and perform

Qualifications

• Solid understanding of OSI or TCP/IP models and networking protocols.
• Hands-on experience with monitoring, diagnostics, and analytics tools.
• Experience with Cisco and Juniper devices; knowledge of security and load balancers.

Responsibilities

• Handle incident and problem tickets related to network, wireless, and VoIP systems.
• Support network devices including Cisco and Juniper/SRX; work with Checkpoint and F5 as needed.
• Provide Level-2/3 support and troubleshooting to resolve issues.
• Coordinate escalation with service providers and internal IT teams.
• Review alerts and monitor system performance to ensure availability and reliability.
• Ensure changes follow the change management policy and SLA requirements.

Skills

OSI model

TCP/IP

Networking monitoring

Cisco routers

Juniper SRX

Checkpoint

F5 load balancers

Juniper certification

Tools

Nimsoft

Job description

Job Description:

Responsibilities:

• Handle incident and problem tickets related to the network, wireless, and VoIP systems.
• Support network devices including Juniper, Cisco, and 3Com.
• Support security devices from Juniper and Cisco.
• Support bandwidth management appliances from A10.
• Provide support for Motorola and Extreme wireless systems.
• Manage IP address allocation and IP address management.
• Support Cisco Call Manager and Unity.
• Provision extensions through Cisco Call Manager (CCM).
• Configure voice mail boxes through Unity.
• Handle link failure issues.
• Coordinate escalation with service providers such as AT&T and Ignisis.
• Handle wireless network issues.
• Support Cisco hard phone and soft phone installations.
• Ensure adherence to the Service Level Agreement (SLA) set by GC.
• Support pre-G.O activities during staging and shipping.
• Ensure adherence to the change management policy.
• Review Nimsoft alerts and take corresponding actions.
• Monitor system performance and ensure availability and reliability.
• Provide Level-2/3 support and troubleshooting to resolve issues.
• Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure.
• Select and implement security tools, policies, and procedures in conjunction with the company’s security team.
• Coordinate with vendors and other IT teams for problem resolution.
• Perform network maintenance and system upgrades, including service packs, patches, hot fixes, and security configurations.

Sought profile:

• Solid understanding of the OSI or TCP/IP model.
• Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS).
• Hands‑on experience with monitoring, network diagnostic, and network analytics tools.
• Hands‑on experience with Cisco Routers, Juniper SRX, and Checkpoint.
• Working knowledge of F5 load balancers.
• Juniper certification is an added advantage.