Subject Matter Expert -Networking IBMS

Siemens; Thane; Presencial; INR 1.800.000 - 4.000.000; Jornada completa

Descripción de la vacante

Siemens Limited is seeking a Networking SME for IBMS solutions in Mumbai, India. The role focuses on enterprise network design, integration of OT protocols, and cybersecurity for smart infrastructure projects across multiple sites.

The ideal candidate will have 8-15 years of experience, strong expertise in BACnet/IP, Modbus TCP/IP, OPC UA, SNMP and MQTT, and hands-on leadership for project teams. Travel may be required.

Formación

• BE/B.Tech in Electronics, Electrical, Instrumentation, CS or IT.
• OT/IT convergence and industrial networking experience preferred.
• Strong cybersecurity and multi-system integration knowledge.

Responsabilidades

• Design network architecture for IBMS, BMS, CCTV, data centers and smart infra.
• Prepare topology, IP plans, VLANs, redundancy and security design.
• Implement Layer-2/3 networks for critical infra projects.
• Perform bandwidth sizing and network performance checks.

Conocimientos

TCP/IP

Subnetting

Routing

Switching

OSPF

VLAN

BACnet/IP

Modbus TCP/IP

OPC UA

SNMP

MQTT

Cybersecurity

Network Design

Educación

BE/B.Tech in Electronics/Electrical/Instrumentation/CS/IT

Herramientas

Cisco Switches

Hirschmann

Siemens Scalance

Moxa Switches

Firewall Technologies

Descripción del empleo

Job Description:

"Were improving the way we live and work by intelligently connecting energy systems, buildings, and industries!!

Smart infrastructure from Siemens makes the world a more connected and caring place – where resources are valued, where impact on the world is considered, where sustainable energy is delivered optimally and efficiently. It provides the flexible infrastructure to allow society to evolve and respond to changing conditions. Technology and the ingenuity of people come together to be at one with our environments and to care for our world. We do this from the macro to the micro level, from physical products, components, and systems to connected, cloud-based digital offerings and services. Siemens offers a broad portfolio of grid control and automation; low- and medium-voltage power distribution, switching and control; and building automation, fire safety and security, HVAC control and energy solutions.

JOIN US! WE MAKE REAL WHAT MATTERS. THIS IS YOUR ROLE

Position:

Networking SME - IBMS Solutions

Experience:

8-15 Years

Location:

Mumbai, India (Travel to project sites as required)

Role Purpose:

The Networking SME will be responsible for designing, reviewing, supporting, commissioning, and troubleshooting enterprise-grade network infrastructure for Integrated Building Management Systems (IBMS), Data Centers, Airports, Metro Rail, Smart Buildings, and Critical Infrastructure projects. The role requires expertise in OT/IT convergence, industrial networking, cybersecurity, and multi-system integration.

Key Responsibilities:

Pan India Technical Support for Design & Engineering, Commissioning & Trouble shooting

• Develop network architecture for IBMS, BMS, FAS, CCTV, ACS, PA, SCADA, EMS, CPMS, and Data Center solutions.
• Prepare network topology, IP addressing plans, VLAN architecture, redundancy philosophy, and cybersecurity design.
• Design Layer-2 and Layer-3 networks for critical infrastructure applications.
• Perform bandwidth calculations and network sizing.

System Integration

• Integrate BACnet/IP, Modbus TCP/IP, SNMP, OPC UA, MQTT, and other OT protocols.
• Support third-party system integration through Ethernet networks.
• Define communication architecture between field controllers, servers, workstations, and cloud platforms.

Commissioning & Troubleshooting

• Support commissioning of network switches, routers, firewalls, and managed industrial networks.
• Resolve communication issues related to online/offline controllers, servers, gateways, and field devices.
• Conduct FAT, SAT, performance testing, and redundancy validation.
• Analyze network traffic using Wireshark and diagnostic tools.

Cybersecurity

• Implement IEC 62443/NIST-based cybersecurity practices.
• Configure VLAN segregation, ACLs, firewall rules, VPN access, and secure remote connectivity.
• Conduct network security assessments and vulnerability reviews.

Technical Leadership

• Act as L4 SME for project teams.
• Review engineering deliverables and mentor engineering/commissioning teams.
• Support tendering, solution architecture, customer presentations, and technical clarifications.

Required Technical Skills

Networking

• TCP/IP, Subnetting, Routing, Switching
• VLAN, STP, RSTP, MRP
• OSPF, Static Routing
• Network Redundancy Design
• Fiber Optic Networks

Industrial Protocols

• BACnet/IP
• Modbus TCP/IP
• OPC UA
• SNMP
• MQTT

Infrastructure

• Cisco Switches
• Hirschmann Industrial Switches
• Siemens Scalance
• Moxa Switches
• Firewall Technologies

Cybersecurity

• IEC 62443
• NIST Framework
• ACL Management
• VPN Configuration
• Network Segmentation

Tools

• Wireshark
• SolarWinds
• PRTG
• Cisco Packet Tracer
• Visio / AutoCAD

Desired Project Experience

• Airports
• Data Centers
• Metro Rail
• Smart Cities
• Pharmaceutical Facilities
• Commercial High-Rise Buildings
• Critical Infrastructure Projects

Educational Qualification

• BE/B.Tech in Electronics, Electrical, Instrumentation, Computer Science, IT, or equivalent.

Key Competencies

• Solution Architecture
• Customer Presentation Skills
• Problem Solving
• Root Cause Analysis
• Team Leadership
• Stakeholder Management
• Tender & Compliance Review

Preferred Certifications

• CCNA / CCNP
• Siemens Scalance Certification
• Fortinet NSE
• Palo Alto Certifications
• IEC 62443 Cybersecurity Training

KPI

• First-Time Right Engineering
• Reduction in Commissioning TAT
• Successful FAT/SAT Closure
• Network Uptime >99.9%
• Zero Critical Cybersecurity Non-Conformities
• L4 Technical Support Effectiveness

WE DONT NEED SUPERHEROES, JUST SUPER MINDS!

WE’VE GOT QUITE A LOT TO OFFER. HOW ABOUT YOU?

We’re Siemens. A collection of over 379,000 minds building the future, one day at a time in over 200 countries. Were dedicated to equality and we welcome applications that reflect the diversity of the communities we work in across Gender, LGBTQ+, Abilities & Ethnicity. All employment decisions at Siemens are based on qualifications, merit and business need. Bring your curiosity and imagination, and help us shape tomorrow.

Find out more about Smart Infrastructure at: https://new.siemens.com/global/en/company/topic-areas/smart-infrastructure.html and about Siemens careers at: www.siemens.com/careers

Job type: Full-time

Work mode: Office/Site only

Employment type: Permanent

Location(s): Thane - Maharashtra - India

Experience level: Experienced Professional

Organization: Smart Infrastructure

Field of work: Engineering

Company: Siemens Limited

Posted since: 30-Oct-2026