Network Security Engineer

Sanofi; Hyderabad; Hybrid; INR 1,500,000 - 3,000,000; Full time

Job summary

Sanofi in Hyderabad invites a Network Security Engineer to strengthen and secure our Next Generation Network & Security services. You will design, implement, and operate secure network solutions across on-premises and cloud environments, with emphasis on Zero Trust and automation.

Ideal candidates have 7+ years in network or security engineering, strong firewall experience (Palo Alto, Cisco, Checkpoint), and proficiency in Python, Ansible, and Terraform. Hybrid work model is offered.

Qualifications

• 7+ years of experience in network engineering or network security engineering.
• Strong knowledge of enterprise network security design and governance.
• Experience with cloud networking and security controls in AWS/Azure.
• Proficient in Python, Ansible, Terraform, REST APIs, and automation.
• Hands-on with firewall platforms and network segmentation strategies.

Responsibilities

• Design and implement scalable, cost-effective enterprise network security solutions.
• Operate and defend critical network infrastructure with firewall policies and NAT.
• Secure LAN/WAN/SD-WAN, data center, and cloud connectivity.
• Support SASE, SSE, ZTNA and Zero Trust security initiatives.
• Automate provisioning, configuration, and security compliance.
• Collaborate with cross-functional teams and vendors to evangelize security tech.
• Monitor events, investigate incidents, and participate in root-cause analysis.

Skills

Network engineering

Security engineering

Cloud networking

Python scripting

Automation tooling

Tools

Palo Alto firewalls

Cisco networking

Checkpoint firewalls

AWS

Azure

SASE

Job description

Our Team

Faced with an ever-increasing cyber-security threat, Sanofi needs to maintain a vigilant approach to protect their systems, infrastructure, and data.

Job title: Network Security Engineer

• Location: Hyderabad
• Hybrid Mode

Our Team

Faced with an ever-increasing cyber-security threat, Sanofi needs to maintain a vigilant approach to protect their systems, infrastructure, and data.

This team, behind Sanofi's Next Generation Network & Security services and infrastructure that powers it, is looking for a self-motivated and innovative thinking individual to raise the bar on Sanofi's Network Security systems while maintaining relevance in the fast moving and evolving network security industry.

As a member of the team, closely with Network Engineering, Cloud, Cybersecurity, Infrastructure, and Architecture teams to implement security controls, improve network resilience, automate security operations, and respond to security incidents.

You will also be interacting with cross-functional team engineers, architects, internal and vendor partners to evangelize and provide NextGEN network security 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

Network Security Engineering

• Design and implement scalable, efficient, & cost-effective enterprise network security solutions
  • Next-generation firewalls, VPNs, IDS/IPS, secure web gateways, and network access controls.
• Keep Sanofi safe through active operation and defense of critical network infrastructure, developing and maintaining firewall policies, security zones, NAT, routing, and access-control policies.
• Implement secure LAN, WAN, SD-WAN, Internet, data center, and cloud connectivity.
• Design, implement and support network segmentation, micro-segmentation, and Zero Trust security initiatives.
• Conduct security reviews of network designs and infrastructure changes.
• Ensure network security controls comply with enterprise security standards and policies.

Cloud & Modern Network Security

• Implement security controls across AWS, Azure, and/or other cloud environments.
• Secure hybrid and multi-cloud network connectivity.
• Design secure connectivity between data centers, cloud platforms, SaaS environments, and remote users.
• Support SASE, SSE, Zero Trust Network Access (ZTNA), and cloud security initiatives.
• Partner with cloud engineers to secure VPC/VNet, routing, security groups, and cloud firewall architecture.

Security Operations & Incident Response

• Monitor network security events and investigate suspicious network activity.
• Troubleshoot and respond to network security incidents.
• Participate in incident response, root-cause analysis, and remediation activities.
• Analyze firewall, proxy, VPN, IDS/IPS, DNS, and network traffic logs.
• Work with SOC teams to improve detection and response capabilities.
• Perform vulnerability remediation and security hardening of network infrastructure.

Automation, Improve Efficiency & Continuous Improvement

• Automate service delivery, network security provisioning, configuration, compliance, and operational processes.
• Develop scripts and workflows using Python, Ansible, Terraform, APIs, or similar technologies.
• Implement Infrastructure-as-Code and configuration-management practices.
• Develop automated security compliance and configuration validation.
• Identify opportunities to reduce manual operational activities through automation.

Governance & Documentation

• Maintain network security architecture diagrams, standards, procedures, and operational documentation.
• Participate in security assessments, audits, and compliance activities.
• Ensure network changes follow enterprise change management and security processes.
• Evaluate emerging security technologies and recommend improvements.

Drive Continuous improvement of solution platform, specification & design, systems integration, platform lifecycle management.

Contribute to security standards, reference architectures, and engineering best practices.

About You

• 7+ years of experience in network engineering or network security engineering.
• Understanding complex technical issues and managing them within a fast-paced business environment.
• An enthusiasm for staying up to date with the very latest updates about security threats and technology solutions.
• Strong experience in architecture/design, development, and implementation of large-scale Network Security technology and solutions.
• In-depth knowledge of Firewalls platforms from Palo Alto, Cisco and Checkpoint, IPS/IDS.
• Experience with LAN, WAN, Internet, data centre, and/or SD-WAN environments and understanding of Network Routing and Switching.
• Experience with AWS and or Azure networking, Cloud solutions and Network Access Control.
• Experience with SASE, SSE, ZTNA, and Zero Trust architectures.
• Understanding of and exposure to network segmentation and methodologies like SCADA and enable it to be both manageable and scalable.
• Experience using firewall security orchestration and Python, Ansible, Terraform, REST APIs, and network automation.
• Hands-on experience with Audit for Firewalls configurations, ACLs and implementing security controls aligned to Sanofi's policies and standards.
• Excellent Troubleshooting and problem-solving skills.
• Occasional work outside business hours.
• Good communication and presentation skills in English including the ability to convey complex security related concepts to technical and non-technical audiences alike.