Senior OT and Cybersecurity Systems Specialist

Job description

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, modernizing 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 recognized 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. Analyze modernization and IT/OT convergence options through trade-off assessments considering cybersecurity, operational requirements, lifecycle 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 modernization, lifecycle 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 modernization initiatives. 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 Operational Technology (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 Department of National Defence 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 the total compensation package, including benefits 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. *Our recruitment systems include artificial intelligence–enabled tools; however, AI is not used to screen, evaluate, or make decisions about applicants for this role. *Unless otherwise stated, all job postings reflect a current vacancy at the time of publication. 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). Belong@ADGA 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 programs. ADGA Group is a Canadian-owned defence and security company that provides integrated, mission-critical technical solutions to Government and industry, specializing 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. Guided by a strong social mandate, the company creates meaningful employment for veterans of the CAF and RCMP and other professionals committed to public service, while fostering a safe, inclusive, and agile workplace that supports career development, professional growth, and impactful work across Canada.