Senior Rockwell HW & System Diagnostics Architect (relocation in France)

Expleo; Poissy; On-site; EUR 60,000 - 90,000; Full time

Job summary

Expleo in Poissy, Île-de-France, France is seeking a skilled engineer to define and enforce Rockwell hardware and networking standards across PLCs, HMIs, I/O, and industrial switches. You will validate configurations, diagnostics, and alarm philosophies, coordinating with Rockwell teams and suppliers.

The role requires strong hands-on experience with Rockwell hardware and a solid understanding of EtherNet/IP, VLANs, and OT cybersecurity.

Qualifications

• Very strong hands-on experience with Rockwell hardware architectures (PLCs, HMIs, I/O, switches).
• Strong knowledge of ControlLogix, GuardLogix, Rockwell I/O families and Rockwell Ethernet switches.
• Solid understanding of EtherNet/IP, DLR, VLAN configuration principles, OT cybersecurity constraints.
• Ability to define robust configuration standards and engineering procedures for project teams and suppliers.

Responsibilities

• Define and validate standard Rockwell hardware architectures for PLCs, HMIs, remote I/O, safety I/O and related components.
• Define standard configurations for Rockwell industrial Ethernet switches, EtherNet/IP networks, DLR usage, VLAN principles and diagnostics.
• Write and validate PLC/HMI/I/O and switch configuration settings with proper naming, addressing and diagnostics behavior.
• Define diagnostic principles for PLC, HMI, I/O, switches and communication faults, including alarm philosophy and maintenance information.
• Write technical standards, engineering rules, commissioning procedures, configuration guides and validation checklists with Rockwell teams.
• Review supplier proposals, challenge incomplete configurations, and ensure deployment consistency.

Skills

Rockwell hardware architectures

ControlLogix/GuardLogix

EtherNet/IP & VLANs

OT cybersecurity constraints

Diagnostics & maintenance

Tools

Rockwell PLCs/HMIs/IO

Rockwell Ethernet switches

PROFINET concepts

Job description

Overview

Expleo is a global engineering, technology, and consulting service provider that partners with leading organizations to guide them through their business transformation, helping them achieve operational excellence and future-proof their businesses. Expleo benefits from more than 50 years of experience developing complex products in automotive and aerospace, optimizing manufacturing processes, and ensuring the quality of information systems. Leveraging its deep sector knowledge and wide-ranging expertise in fields including AI engineering, digitalization, automation, cybersecurity and data science, the group’s mission is to fast-track innovation through each step of the value chain.With a worldwide presence in 30 countries, our global footprint includes excellence centers around the world, including Romania since 1994.

Responsibilities

• Primary responsibilities: Hardware and network standardization scope
• PLC, HMI and I/O architectures: Define and validate standard Rockwell hardware architectures for PLCs, HMIs, remote I/O, safety I/O and related control system components.
• Industrial switches and networks: Define standard configurations for Rockwell industrial Ethernet switches, EtherNet/IP networks, DLR usage, VLAN principles and network diagnostics.
• Configuration settings: Write and validate PLC, HMI, I/O and switch configuration settings, including required parameters, naming, addressing and diagnostic behavior.
• System diagnostics: Define diagnostic principles for PLC, HMI, I/O, switches and communication faults, including alarm philosophy, troubleshooting and maintenance-oriented information.
• Standards and procedures: Write technical standards, engineering rules, commissioning procedures, configuration guides and validation checklists with Rockwell teams.
• Supplier and project support: Review supplier proposals, challenge incomplete configurations, support clarification with Rockwell and subcontractors, and ensure deployment consistency.
• Alignment with Siemens standards: Understand existing STLA-CS Siemens standards and identify how Rockwell solutions must provide equivalent control, diagnostics and maintainability principles.

Qualifications

• Very strong hands-on experience with Rockwell hardware architectures, including PLCs, HMIs, I/O systems and industrial switches.
• Strong knowledge of ControlLogix, GuardLogix, Rockwell I/O families and Rockwell industrial Ethernet switch families.
• Strong knowledge of EtherNet/IP, DLR architectures, VLAN configuration principles, industrial network diagnostics and OT cybersecurity constraints.
• Ability to define robust configuration standards and practical engineering procedures for project teams and suppliers.
• Ability to validate system diagnostics from hardware level up to HMI visualization and maintenance troubleshooting.
• Good knowledge of Siemens automation hardware and PROFINET concepts in order to understand the current STLA-CS Siemens standards and support technical alignment.

What do I need before I apply

• Relocation in France