Referso Jobs

Lead Network Engineer 1 - Nuclear

Sargent & Lundy · Posted Nov 10, 2026

Open

Chicago, Illinois, United States
Hybrid
Full-time · Lead
$118K–$180K per year
10+ years

Lead Network Engineer 1 - Nuclear

Sargent & Lundy · Posted Nov 10, 2026

Open

Chicago, Illinois, United States
Hybrid
Full-time · Lead
$118K–$180K per year
10+ years

Operational Technology Cyber Engineer

Flintex Consulting Pte Ltd · Posted Nov 11, 2026

Open

Singapore
Mid
3–5 years

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Operational Technology Cyber Engineer

Responsibilities

Develop and implement cybersecurity measures across operational technology environments within power generation and water treatment facilities
Design and maintain OT network architecture, ensuring proper segmentation between IT and OT environments
Harden ICs assets such as HMIs, PLCs, RTUs, DCS, SCADA systems, and engineering workstations
Ensure secure IT/OT integration and apply regular patching or compensating controls to OT assets
Conduct risk assessments and ensure compliance with NIST CSF, ISO 27001:2022, and Singapore's CII regulations

Requirements

Bachelor's degree in Engineering, Cybersecurity, Control Systems, or a related field
Nice to have: CCNA
Nice to have: GICSP
Nice to have: CISSP
Nice to have: CISM

Skills

IEC 62443 NIST CSF ISA/IEC standards WSCP (PUB)CCoP (CSA)

Operational Technology Cyber Engineer

Flintex Consulting Pte Ltd · Posted Nov 11, 2026

Open

Singapore
3–5 years

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Design, implement, and manage cybersecurity for operational technology environments in power generation and water treatment facilities.

Responsibilities

Develop and implement cybersecurity measures across OT environments
Design and maintain OT network architecture ensuring proper segmentation
Harden industrial control system assets such as HMIs, PLCs, RTUs, DCS, SCADA
Ensure secure IT/OT integration and apply regular patching or compensating controls
Conduct risk assessments and ensure compliance with NIST CSF, ISO 27001, Singapore CII regulations

Requirements

Bachelor's degree in Engineering, Cybersecurity, Control Systems, or a related field
Nice to have: CCNA
Nice to have: GICSP
Nice to have: CISSP
Nice to have: CISM

Skills

IEC 62443 NIST CSF ISA/IEC standards WSCP (PUB)CCoP (CSA)ISO 27001

Director - Security Architecture & Solution Engineering - OT Security

GSK · Posted Nov 9, 2026

Open

Bengaluru, Karnataka, India
Hybrid
Full-time · Director
20+ years

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Own OT Security architecture across GSK's global manufacturing, laboratory and research estate, leading a team of seven. Focus on OT, ICS and IoT across manufacturing and research sites.

Responsibilities

Own OT security architecture across the global manufacturing, laboratory and research estate.
Own IEC 62443 zone and conduit design and Purdue model network segmentation.
Own safety system boundary design and the constraints that follow from GxP validation.
Own OT vulnerability management architecture where standard IT patching cannot be applied, including compensating control design.
Own OT asset discovery architecture across sites with incomplete inventories.

Requirements

Bachelor's degree in a relevant discipline, or equivalent professional experience.
Nice to have: OT transformation or Future Ready OT style programme
Nice to have: NIS2 scoping and reporting
Nice to have: OT risk posture reporting
Nice to have: Cyber Defence partnership

Skills

OT Security ICS IoT IEC 62443 Purdue model

Senior Principal Architect - Security Architecture & Solution Engineering - OT Security

GSK · Posted Nov 9, 2026

Open

Bengaluru, Karnataka, India
Full-time · Principal
15+ years

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Own OT Security architecture across GSK's global manufacturing, laboratory and research estate, leading a team of seven. focusing on IEC 62443 and Purdue model segmentation.

Responsibilities

Own OT security architecture across the global manufacturing, laboratory and research estate
Own IEC 62443 zone and conduit design and Purdue model network segmentation
Own safety system boundary design and the constraints that follow from GxP validation
Own OT vulnerability management architecture where standard IT patching cannot be applied, including compensating control design
Own OT asset discovery architecture across sites with incomplete inventories

Requirements

Bachelor's degree in a relevant discipline, or equivalent professional experience
Nice to have: OT transformation
Nice to have: NIS2 scoping and reporting
Nice to have: OT risk posture reporting

Skills

OT Security ICS IoT IEC 62443 Purdue Model Claroty

Lead Network Engineer 1 - Nuclear

Sargent & Lundy · Posted Nov 5, 2026

Open

Warrenville, Illinois, United States +1 more
Hybrid
Full-time · Lead
$118K–$180K per year
10+ years

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Lead Network Engineer focused on nuclear power digital system network design, OT/ICS, and SCADA systems.

Locations (2)

Warrenville, Illinois, United States
Chicago, Illinois, United States

Compensation

$118,023 - $180,313

Responsibilities

Design and document segmented, fault-tolerant OT networks for digital I&C, DCS, PLC, and SCADA systems
Create network topologies, IP plans, VLANs, routing, IDMZs, and secure access
Periodic travel to client sites, testing facilities, and other Sargent & Lundy offices
Specify industrial networking hardware and integrate industrial protocols
Prepare, review, and maintain formal engineering deliverables like architecture drawings and BOMs

Requirements

BS degree in Computer Science or Computer Engineering
Nice to have: design engineering for nuclear power plant control systems

Lead Network Engineer 1 - Nuclear

Lead Network Engineer 1 - Nuclear

Compensation

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Operational Technology Cyber Engineer

Responsibilities

Requirements

Skills

Operational Technology Cyber Engineer

Responsibilities

Requirements

Skills

Director - Security Architecture & Solution Engineering - OT Security

Responsibilities

Requirements

Skills

Senior Principal Architect - Security Architecture & Solution Engineering - OT Security

Responsibilities

Requirements

Skills

Lead Network Engineer 1 - Nuclear

Locations (2)

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Data Diodes jobs

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Locations (2)

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