Senior Engineer – OT Cybersecurity, Industrial Networking & IIoT

FLSmidth; Chennai District; On-site; INR 900,000 - 1,300,000; Full time

Benefits offered by this job

Recognition platform

Job summary

FLSmidth in Chennai, India, invites you to join Digital Services to design and support secure, connected digital solutions for mining projects worldwide. You will blend industrial networking, OT cybersecurity, CMS and IIoT expertise to assist engineering, system integration, commissioning and site operations across global deployments.

The role requires a degree in Engineering or Computer Science, hands-on experience with industrial networks, and willingness to travel to customer sites.

Qualifications

• Hold a degree in Engineering, Computer Science or a related field.
• Bring experience in industrial networking and OT environments.
• Demonstrate knowledge of TCP/IP, VLANs, routing and industrial Ethernet.
• Bring experience with firewalls, VPNs and network security.
• Understand PLC/DCS, SCADA, CMS and IIoT connectivity.
• Have experience supporting commissioning and field troubleshooting.
• Demonstrate strong analytical and problem-solving skills.
• Be willing to travel to customer sites as required.

Responsibilities

• Design and support industrial network and OT connectivity solutions.
• Implement and maintain OT cybersecurity controls and secure communications.
• Integrate CMS, IIoT and edge systems with plant networks.
• Support FAT, SAT, commissioning and site deployment activities.
• Troubleshoot network, cybersecurity and digital system issues.
• Provide remote and on-site technical support to project teams.
• Coordinate with automation, IT, site and third-party engineering teams.
• Maintain network, cybersecurity and commissioning documentation.

Skills

Industrial networking

OT environments

TCP/IP

VLANs

Industrial Ethernet

Firewalls & VPNs

PLC/DCS/SCADA CMS IIoT

Commissioning & field troubleshooting

Analytical & problem solving

Willingness to travel

Education

Engineering, Computer Science or related field

Job description

Shape the Future of Digital Services in Mining

Join Digital Services and help deliver secure, connected digital solutions for the mining industry. In this role, you will combine industrial networking, OT cybersecurity, CMS and IIoT expertise to support engineering, system integration, commissioning and site operations across global projects.

Short department description

Digital Services team develops and supports digital, connected and data-driven solutions for the mining industry.

Your responsibilities

• Design and support industrial network and OT connectivity solutions.
• Implement and maintain OT cybersecurity controls and secure communications.
• Integrate CMS, IIoT and edge systems with plant networks.
• Support FAT, SAT, commissioning and site deployment activities.
• Troubleshoot network, cybersecurity and digital system issues.
• Provide remote and on-site technical support to project teams.
• Coordinate with automation, IT, site and third-party engineering teams.
• Maintain network, cybersecurity and commissioning documentation.

What you bring

• Hold a degree in Engineering, Computer Science or a related field.
• Bring experience in industrial networking and OT environments.
• Demonstrate knowledge of TCP/IP, VLANs, routing and industrial Ethernet.
• Bring experience with firewalls, VPNs and network security.
• Understand PLC/DCS, SCADA, CMS and IIoT connectivity.
• Have experience supporting commissioning and field troubleshooting.
• Demonstrate strong analytical and problem-solving skills.
• Be willing to travel to customer sites as required.

What we offer

• An international role supporting innovative digital solutions for mining.
• We offer all employees access to a dedicated recognition platform, empowering you to celebrate achievements, share appreciation and stay connected globally.

Other Details; Closing practicalities

Location: Chennai, India

Department: Digital Services

Travel: Regular domestic and international site travel may be required

Employment type: Full-time

Application Deadline: 15 OCT2026

FLSmidth

FLSmidth is the leading supplier of engineering, equipment and service solutions to customers in the mining and minerals industries – for more information please visit FLSmidth.com/careers

FLS is a leading, full flowsheet minerals processing supplier to the global mining industry. We deliver proven technologies and services across the lifecycle of operations, and have set targets of providing solutions for zero-emissions mining by 2030 with our MissionZero programme.