Senior OT and Cybersecurity Systems Specialist

- Contract
- Compensation: CAD 100 - CAD 120 per hour

ADGA Group is a Canadian-owned defence and security company that provides integrated, mission‑critical technical solutions to Government and industry, specialising in C5ISRT, simulation and training, cyber and infrastructure security, and program delivery. With nearly 60 years of experience, ADGA supports federal clients and Canada’s intelligence and enforcement agencies through embedded teams, advisory services, and full project execution, applying deep operational expertise and innovation to strengthen national safety, resilience, and sovereignty.

ADGA is seeking a Senior Operational Technology (OT) and Cybersecurity Systems Specialist. This role is responsible for conducting comprehensive assessments, planning, and design activities related to Operational Technology (OT) and Information Technology/Operational Technology (IT/OT) environments supporting critical infrastructure and facilities. The role focuses on evaluating cyber resiliency, modernising legacy systems, and recommending secure, scalable architectures in accordance with industry best practices and Government of Canada and Department of National Defence (DND) requirements.

Working within multidisciplinary teams, the specialist will perform assessments of industrial and building systems across various DND facilities throughout Canada and develop strategic recommendations to improve cyber posture, operational resilience, and integration between OT and enterprise IT networks.

Key Responsibilities

- Inventory, document, and assess OT and IT assets, systems, interfaces, and facility infrastructure environments.
- Perform detailed assessments of operational technology and facility control systems, including building automation, digital controls, lighting management, physical security and safety systems, industrial control systems, PLCs, and SCADA environments.
- Identify system dependencies, communication protocols, operational requirements, and IT/OT interconnections.
- Develop and maintain asset inventories, system diagrams, interface documentation, and data flows.
- Evaluate the cybersecurity posture, resiliency, and operational continuity of OT environments and their integration with enterprise IT networks.
- Conduct cybersecurity assessments and gap analyses using recognised industry and Government of Canada standards and frameworks, including NIST, IEC 62443, and ITSG‑33.
- Identify vulnerabilities, risks, single points of failure, and impacts to confidentiality, integrity and availability.
- Recommend mitigation strategies, security controls,



segmentation approaches and architectural improvements.
- Analyse modernisation and IT/OT convergence options through trade‑off assessments considering cybersecurity, operational requirements, life‑cycle costs, maintainability, and resiliency.
- Develop conceptual and detailed network architectures, secure communication strategies, remote access solutions, and monitoring capabilities for OT and IT/OT environments.
- Produce technical documentation and design deliverables, including network diagrams, segmentation strategies, integration designs and migration roadmaps.
- Conduct holistic studies and options analyses for critical infrastructure and operational technology environments.
- Develop technical reports, executive summaries and strategic recommendations supporting modernisation, life‑cycle management and implementation planning.
- Collaborate with DND stakeholders, facility managers, engineers, IT teams, and external vendors.
- Facilitate technical workshops, requirements gathering sessions and stakeholder consultations.
- Present technical findings and recommendations to both technical and non‑technical audiences.
- Provide subject‑matter expertise related to OT cybersecurity and infrastructure modernisation initiatives.

Qualifications

- University degree or college diploma in Electrical Engineering, Computer Engineering, Systems Engineering, Industrial Automation, Cybersecurity, Computer Science or a related discipline.
- Equivalent combinations of education and experience may be considered.
- Minimum 10 years of experience in OT, industrial automation or critical infrastructure environments.
- Experience assessing and designing systems involving:
- Building Automation Systems (BAS/DDC)
- SCADA systems
- Industrial Control Systems (ICS)
- PLC‑based control systems
- Physical Security and Safety Systems

- Experience inventorying and documenting OT assets and architectures.
- Experience conducting OT cybersecurity assessments and risk analyses.
- Experience developing secure network architectures and IT/OT integration strategies.
- Experience preparing technical studies, options analyses and recommendations for critical infrastructure projects.
- Experience working within federal government, defence, utilities,



transportation or other critical infrastructure sectors is considered an asset.
- One or more of the following certifications are considered assets:

- CISSP – Certified Information Systems Security Professional
- GICSP – Global Industrial Cyber Security Professional
- ISA/IEC 62443 Cybersecurity Certificate
- CCNP or CCIE
- Certified Information Security Manager (CISM)
- Certified SCADA Security Architect (CSSA)
- PMP – Project Management Professional
- Professional Engineer (P.Eng.)

- Must currently hold or be eligible to obtain and maintain a Secret (Level II) Canadian Federal Government Security clearance and other clearances as required.
- Willingness to travel to DND facilities across Canada as required.
- The posted range reflects the contract rate for an incorporated consultant. Employee salary ranges will differ and are based on total compensation, including advantages and other employment‑related considerations.

If you require accommodations during any stage of the application or interview process, please let us know. We are happy to work with you to meet your needs.

Aim of this role is to support national security. Recruitment systems are designed to treat all candidates fairly and do not use AI to screen, evaluate or make decisions about applicants.

Work‑Life Balance

We strongly support a healthy and productive work‑life balance. This starts with a flexible approach to work, and policies designed to support employees through their day‑to‑day routines and major life events. For example, we offer a Maternity/Parental Top‑Up (up to 52 weeks) and a Reservist Leave Top‑Up (up to 180 days).

ADGA continuously strives to integrate advanced Diversity, Equity & Inclusion (DEI) approaches and practices into our work culture. Our employee‑based DEI Committee explores activities and invites discussions that foster an environment where all employees feel valued, respected and heard.

Compensation

Above and beyond our commitment to offer a competitive base salary, ADGA has a company‑wide profit‑sharing plan for all full‑time and part‑time employees.

Comprehensive Benefits and Total Rewards

We offer a comprehensive benefit program, providing employees with the choice between base or enhanced plans. Depending on the plan, ADGA pays for Health & Dental, a Health Spending Account, Short‑Term Disability, an Employee Assistance Program, and a Telemedicine service. Also offered: discounts on gym memberships, 5,000+ perks through Perkoplis, a Deferred Profit Sharing Plan, and access to a wide range of other employee‑centric services and savings programmes.

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📌 Senior OT and Cybersecurity Systems Specialist (Ottawa)
🏢 ADGA Group
📍 Ottawa