Network Engineer

Sanofi India Ltd; Hyderabad; Hybrid; INR 1,500,000 - 2,300,000; Full time

Job summary

Sanofi India Ltd. Hyderabad-based Connectivity Products team seeks a Senior Network Engineer to design, deploy and manage NextGEN network and security solutions across on-premises and multi-cloud environments.

You will lead network architecture, SDN orchestration, and automation efforts using Python, Ansible, and IaC, collaborating with cross-functional teams and vendors to ensure reliable, scalable connectivity and security for enterprise workloads.

Qualifications

• 7+ years of enterprise network and security engineering experience.
• Experience with large-scale deployments and cross-functional teams.
• Strong knowledge of networking, cloud connectivity, and security.

Responsibilities

• Designing and deploying scalable network, security, and SDN solutions.
• Manage core network hardware: routers, switches, firewalls, VPNs.
• Traffic optimization using BGP/OSPF/EIGRP, QoS and routing protocols.
• Implement SASE, zero-trust, and Next-Generation Firewalls.
• Hybrid multi-cloud architectures (on-premises and AWS/Azure).
• Automation and observability using IaC, Ansible, Python, CI/CD.
• Engage and resolve escalated network and cloud operational issues.

Skills

Networking engineering

SDN

BGP OSPF

Automation

Python

Ansible

Cloud networking

Tools

Cisco Nexus/Catalyst

Aruba Wireless

Palo Alto

Zscaler

AWS

Azure

Job description

Network Engineer Job title: Network Engineer

Location: Hyderabad

Hybrid Mode

Our Team

Develop, Deploy and Manage Next Generation (NextGEN) Network technology solutions aligning with Sanofi's vision and growth are the key functions of Sanofi's Connectivity Products team. This team, behind Sanofi's Next Generation Network & Security services and infrastructure platform that powers it, is looking for a self-motivated and innovative thinking individual to raise the bar on Sanofi's Network infrastructure while maintaining relevance in the fast moving and evolving network industry. As a member of the team, you will also be interacting with cross-functional team engineers, architects, internal and vendor partners to evangelize and provide NextGEN network technology solutions to; Maximize the business value from Sanofi's Digital Technology and Solutions investments. Unleash innovation for our organization, employees, and customers.

Main responsibilities

• Designing and deploying scalable, efficient, & cost-effective Network, Network Security infrastructures & Software Defined Networking (SDN) ecosystem solutions.
• Core network hardware including enterprise routers, switches, NextGEN firewalls, load balancers, and wireless controllers.
• Traffic Optimization by managing and orchestrating advanced communication and routing protocols (such as BGP, OSPF, EIGRP, and QoS) to ensure efficient, error-free data transfer.
• Network Security by implementing SASE, zero-trust principles, managing Next-Generation Firewalls (NGFW), set up secure VPN tunnels (IPsec, SSL), and enforce perimeter access controls.
• Resilient, high-performance network architectures spanning physical on-premises data centers and multi-cloud environments (e.g., AWS, Azure Cloud).
• Drive efficiency & improvements that integrate automation and observability - monitoring and telemetry to improve efficiency, service delivery, automate configuration changes.
• Opportunities to reduce manual operational activities and eliminate manual errors with Network Infrastructure-as-Code (IaC) initiatives using tools like Ansible, Terraform, Python with APIs, CI/CD pipelines, and automation platforms.
• Engage and resolve escalated application performance and network / cloud operational issues.

About you

7+ years of progressive and hands-on experience in enterprise Network and NetSec engineering, with a proven track record of handling large-scale deployment projects. Technology leadership skills along with strong Interpersonal & Problem-Solving skills. An enthusiasm for staying up to date with the very latest updates with Network technology solutions.

Relevant work experience in

• Networking Engineering - Routers & Switches along with Design, implementation, and migration experience of large-scale networks
• Experience with LAN, Wi-Fi, WAN, Security & SASE technologies.
• Design, implementation, and migration experience with Cisco - Nexus / Catalyst & Aruba (Wireless), Palo Alto, Zscaler technology.
• Cloud & Hybrid Expertise: Proven experience connecting physical corporate infrastructure seamlessly to cloud platforms such as AWS VPCs, Azure ExpressRoute.
• Designing & Deploying SASE/SSE Solutions: Implement CASB, SWG, ZTNA, and related capabilities; designing secure access across cloud, internet, and private environments.
• Automation Mindset: Hands-on experience using scripting languages or automation frameworks to manage network infrastructure.
• Strong Layer 2/Layer 3 network architectural design and engineering background and experience (LAN/WLAN/WAN and Layer 2/Layer 3) in a large enterprise network environment.
• Expert level routing is a must (BGP & OSPF)
• Knowledge of languages for scripting Provisioning & Configuration management of networking devices using automation tools and scripting - Python, Ansible
• Networking in cloud computing experience (Azure & AWS)
• Familiarity and understanding of tunnelling protocols (vxLAN, GRE, IPSec)
• Working knowledge of DNS, Tacacs, Radius, DHCP, NetFlow, Syslog, etc.
• Exposure to SCADA modelled Network and concepts.
• Strong documentation skills in High Level Architecture & Design Solution
• Good communication and presentation skills including the ability to convey complex network related concepts to technical and non-technical audiences.
• Vendor (technical) management experience
• Occasional work outside business hours
• Travel may be required.

Pursue progress , discover extraordinary Better is out there. Better medications, better outcomes, better science. But progress doesn't happen without people - people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let's be those people.

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com.

Experience Level

Senior Level