OT Network and Security Architect

At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 80,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.

Could you be the full-time OT Network and Security Architect in the Bangalore we’re looking for?

Your future role

Take on a new challenge and apply your network design and security expertise in a cutting-edge field. You’ll work alongside collaborative and innovative teammates.

You'll play a key role in ensuring the stability, security, and scalability of Alstom's network infrastructure. Day-to-day, you’ll work closely with teams across the business, such as IT system administrators, security analysts, and application developers, to align network solutions with security requirements, oversee the installation and configuration of network infrastructure, and much more.

You’ll specifically take care of developing comprehensive network architecture plans and implementing security solutions, but also lead incident response activities and ensure compliance with industry regulations.

We’ll look to you for:

• Designing secure and scalable network architectures, including LANs, WANs, SDWAN, and Zero Trust Access (ZTNA)

• Developing and implementing robust security policies and procedures

• Deploying and configuring security technologies such as firewalls, intrusion detection/prevention systems, and endpoint protection

• Monitoring network performance and implementing optimizations for stability and availability

• Collaborating with cross-functional teams to ensure alignment with security requirements

• Leading incident response activities and contributing to security awareness programs

All about you

We value passion and attitude over experience. That’s why we don’t expect you to have every single skill. Instead, we’ve listed some that we think will help you succeed and grow in this role:

• Bachelor’s/Master’s degree in Engineering/Technology or a related field

• Expertise in network protocols (TCP/IP, routing protocols, MPLS)

• Deep understanding of network security concepts (firewalls, VPNs, intrusion detection/prevention systems, access control lists)

• Familiarity with network automation tools and scripting languages (e.g., Python, Ansible)

• Knowledge of cloud network security architectures (AWS, Azure, GCP)

• Professional industry-standard certifications like CCNA/NP/IP/IE (an added advantage)

• Strong network analysis and troubleshooting skills

• Experience in operational environments such as NOC or IT for 6+ years

• Understanding of disaster recovery planning, resilience, and high availability features

• Excellent problem-solving, analytical, and decision-making skills

Things you’ll enjoy Join us on a life-long transformative journey – the rail industry is here to stay, so you can grow and develop new skills and experiences throughout your career. You’ll also:

• Enjoy stability, challenges, and a long-term career free from boring daily routines

• Work with new security standards for rail signalling

• Collaborate with transverse teams and helpful colleagues

• Contribute to innovative projects

• Utilise our inclusive and flexible working environment

• Steer your career in whatever direction you choose across functions and countries

• Benefit from our investment in your development, through award-winning learning

• Progress towards leadership or specialized technical roles

• Benefit from a fair and dynamic reward package that recognises your performance and potential, plus comprehensive and competitive social coverage (life, medical, pension)

You don’t need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you’ll be proud. If you’re up for the challenge, we’d love to hear from you!

Important to note

As a global business, we’re an equal-opportunity employer that celebrates diversity across the 63 countries we operate in. We’re committed to creating an inclusive workplace for everyone.