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Senior OT-IT Convergence Solution Architect

16 hours ago

Toronto, Ontario, Canada Enterprise Solutions Inc. Full time

Job Title: Senior OT-IT Convergence Solution Architect

Location:
Toronto, ON (Hybrid – 3 Days Onsite)

Timezone:
EST

Position Type:
Contract

Position Overview

The
Senior OT-IT Convergence Solution Architect
is a strategic leadership role responsible for designing, implementing, and optimizing integrated
Operational Technology (OT)
and
Information Technology (IT)
environments. This role focuses on enabling secure, scalable, and resilient OT-IT interoperability to support industrial automation, real-time operational intelligence, and enterprise digital transformation initiatives.

The ideal candidate brings a holistic architectural mindset, aligning industrial systems with modern IT infrastructure, including networking, cloud, cybersecurity, and data platforms.

Key Responsibilities

1. Integrated OT-IT Solution Design

  • Design and implement architectures integrating OT systems (SCADA, DCS, PLCs, MES) with IT infrastructure (enterprise networks, cloud platforms, and business systems).
  • Define standards and frameworks to enable secure, low-latency, and highly reliable data flow between OT and IT environments.
  • Collaborate with IT infrastructure teams to design converged networks, hybrid architectures, and edge-to-cloud solutions.

2. IT Infrastructure Enablement for OT Systems

  • Ensure IT infrastructure (servers, storage, virtualization platforms) supports high-availability and real-time OT workloads.
  • Design secure and scalable network architectures using IT-OT segmentation, VLANs, firewalls, and redundancy models.
  • Leverage SD-WAN, IoT gateways, and industrial edge computing platforms to bridge OT-IT environments.

3. OT-IT Cybersecurity Architecture

  • Develop and implement cybersecurity strategies addressing both OT and IT threat landscapes.
  • Apply security controls such as micro-segmentation, IAM, encrypted communications, and continuous monitoring.
  • Ensure compliance with standards and frameworks including
    NIST, IEC 62443, ISO 27001, and GDPR
    .

4. Networking & Communication Protocols

  • Architect networks enabling seamless communication across OT and IT layers using protocols such as
    OPC UA, MQTT, PROFINET, Modbus, and REST APIs
    .
  • Define integration standards for legacy OT systems with modern IT and cloud environments.
  • Partner with network teams to implement QoS, redundancy, resilience, and monitoring for mission-critical operations.

5. Strategic Roadmap & Modernization

  • Define and deliver a long-term OT-IT convergence roadmap aligned with business and operational goals.
  • Integrate IT governance, standards, and lifecycle management into OT environments.
  • Lead modernization initiatives for legacy industrial systems to support emerging technologies.

6. Technical Leadership & Stakeholder Engagement

  • Lead cross-functional teams across IT infrastructure, operations, engineering, and cybersecurity.
  • Serve as the primary bridge between OT engineers and IT teams to ensure alignment and execution excellence.
  • Present architectural strategies, risks, and outcomes to senior leadership and non-technical stakeholders.

Qualifications

Education & Experience

  • Bachelor's or Master's degree in Engineering, Computer Science, Information Technology, or a related field.
  • 15+ years
    of experience across industrial systems and IT infrastructure, with hands-on OT-IT integration project delivery.
  • Industry experience in manufacturing, energy, utilities, transportation, or process automation.

Technical Skills

  • Strong expertise in IT infrastructure including enterprise networking, data centers, virtualization, and cloud platforms.
  • Deep understanding of OT environments such as SCADA, PLCs, MES, and Industrial Control Systems (ICS).
  • Hands-on experience with OT-IT communication protocols (OPC UA, MQTT, Modbus, REST APIs).
  • Advanced knowledge of cybersecurity tools and frameworks (firewalls, IDS/IPS, SIEM, endpoint security).

Certifications (Preferred)

  • IT certifications:
    AWS/Azure Solutions Architect, Cisco CCNP, VMware VCP
  • OT certifications:
    IEC 62443, ISA, or equivalent
  • PMP, SAFe, or Agile certifications are a plus.

Soft Skills

  • Excellent problem-solving and analytical skills with a solution-oriented mindset.
  • Strong communication and leadership skills across technical and non-technical audiences.
  • Proven ability to manage complex initiatives in fast-paced, mission-critical environments.

Preferred Attributes

  • Experience with
    IIoT and Industry 4.0
    initiatives (smart factories, connected operations).
  • Exposure to
    AI/ML use cases
    such as predictive maintenance and operational optimization.
  • Knowledge of
    edge computing, 5G networks, and digital twins
    .