Find work in Canada.

332,110 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Save this search

Added 11 mins ago
Senior Embedded BIOS/Firmware Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
We are looking for a dynamic, energetic Senior Embedded BIOS/Firmware Engineer to join our growing team. As a key contributor to the success of AMD’s products, you will be part of a leading…
Added 53 mins ago
Field Specialist – PTUS
Bantrel Co.
Toronto, ON
Full-time
…construction, operation, and maintenance of all infrastructure and rail systems associated with 15 stations and more than 15 km of new alignment. The work is being delivered through two…
Added 1 hour ago
Design Engineer
ePIC ASIC
Toronto, ON
Full-time
…company that delivers end-to-end silicon design services for advanced compute platforms, custom ASICs, and high-performance applications. The team supports the full chip development…
Added 1 hour ago
Senior Data Engineer
Fraser Health
Surrey, BC
Full-time
At Centre for Advanced Analytics, Data Science, and Innovation (CAADSI) department of Fraser Health, we are looking for a Senior Data Engineer to join our agile and fast paced team.…
Added 1 hour ago
Release Train Engineer II
TD
Toronto, ON
Full-time
Serves as a system‑level Release Train Engineer, accountable for coordinating and optimizing delivery across multiple agile teams within an ART or Product Group
Added 1 hour ago
Release Train Engineer II
TD
Toronto, ON
Full-time
Serves as a system‑level Release Train Engineer, accountable for coordinating and optimizing delivery across multiple agile teams within an ART or Product Group
Added 1 hour ago
Lead Electrical Engineer, Mission Critical & Data Centers
WSP in Canada
Vaughan, ON
Full-time
Join our Mission Critical & Data Centers team as a Lead Electrical Engineer and help shape the future of digital infrastructure across Canada. This is an opportunity to lead the design and…
Added 1 hour ago
Software Engineer- Full Stack, Unified Ads Platform
Unity
Toronto, ON
Full-time
…operates at a massive global scale. The Ads team powers the systems that connect advertisers with creators and players, driving performance, reliability, and growth across…
Added 1 hour ago
Software Engineer- Full Stack, Unified Ads Platform
Unity
Montreal, QC
Full-time
…operates at a massive global scale. The Ads team powers the systems that connect advertisers with creators and players, driving performance, reliability, and growth across…
Added 1 hour ago
Lead Electrical Engineer, Mission Critical & Data Centers
WSP in Canada
Markham, ON
Full-time
Join our Mission Critical & Data Centers team as a Lead Electrical Engineer and help shape the future of digital infrastructure across Canada. This is an opportunity to lead the design and…
Added 1 hour ago
Lead Electrical Engineer, Mission Critical & Data Centers
WSP in Canada
Toronto, ON
Full-time
Join our Mission Critical & Data Centers team as a Lead Electrical Engineer and help shape the future of digital infrastructure across Canada. This is an opportunity to lead the design and…
Added 2 hours ago
Design Technician, Industrial Building Mechanical Systems
BBA Consultants
Mont-Saint-Hilaire, QC · Mont-St-Hilaire, QC
Full-time
You’ll be part of our team specialized in industrial building mechanical systems. You’ll work with world-class experts and be exposed to a variety of situations to develop your technical…
Added 2 hours ago
Software Engineer
ProxyLink
Toronto, ON
$100 to $105 CAD / hour
Contract
The successful candidate will be responsible for developing, configuring, customizing, troubleshooting, and supporting Microsoft Dynamics 365 Customer Engagement (CE) and related systems.
Added 2 hours ago
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
Other
…this role, you will focus on building intelligent back-end systems, automated workflows, and scalable AI…
Added 2 hours ago
Windows Server Engineer
Genpact
Montreal, QC
Full-time
Advanced troubleshooting, including the ability to delve into more complex issues, which require a deeper understanding of systems and applications.
Added 2 hours ago
Senior QA Automation Engineer
Citi
Mississauga, ON
Full-time
The Senior QA Automation Engineer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs…
Added 2 hours ago
Applications Development Sr Programmer Analyst- AVP -Mississauga
Citi
Mississauga, ON
Full-time
…Citi, this role carries real strategic weight: our technology systems underpin the financial infrastructure that serves hundreds of millions of customers across more than 160 countries, and…
Added 2 hours ago
Frontend Engineer, Data Product Experiences
Stripe
Canada
…collaborate closely with Designers, Product Managers, and Front-End Systems Engineers to define cutting-edge data visualization paradigms that reduce cognitive load and prevent visual…
Added 3 hours ago
Software Engineer, Machine Learning
Ema
Vancouver, BC
Full-time
Implement advanced machine learning algorithms, such as Transformer-based models, reinforcement learning, ensemble learning, and agent-based systems to continually improve the performance…
Added 3 hours ago
Senior Data Engineer
Precision AI
Calgary, AB
Full-time
4+ years building and operating production data platforms, with clear ownership of systems you designed rather than only maintained.
Added 3 hours ago
Full Stack Engineer (.NET/ Angular)
Altis
Toronto, ON
$85 to $95 CAD / hour
Contract
You'll modernize legacy .NET Framework, WCF, Windows Services, Windows Forms, and IIS-hosted applications by decomposing monolithic systems into modular, API-driven solutions.
Added 3 hours ago
Telecom Commissioning Engineer
Hallmark Global Solutions Ltd
Mississauga, ON
Full-time
This position is required to support the telecom systems commissioning activities for the Mississauga Project, ensuring the timely execution of site testing, system integration,…
Added 3 hours ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
We are seeking a Senior OT Control Systems Engineer to join a critical industrial operations environment in Saint John, New Brunswick. In this role, you will be responsible for the design,…
Added 3 hours ago
System Simulation Engineer
Infotree Global Solutions
Windsor, ON
$35 to $36 CAD / hour
Contract
We are seeking a qualified candidate for the position of System Simulation Engineer within the Propulsion Virtual Thermal Management (VTM) team.
Added 3 hours ago
GIS Analyst
AtkinsRéalis
Montreal, QC
Full-time
…technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…

Mariner

Senior OT Control Systems - Engineering Specialist

Saint John, NB, Canada

Posting language: English
Posted: Sep 22, 2026

Apply About employer

Applications open in a new tab.

Original job description

WHO WE ARE

Mariner innovates always and everywhere, turning novel ideas into practical solutions. From products and services to venture creation, we build better futures powered by people. Our purpose has always been to be a great, everlasting technology company for those who make an impact - elevating people, data, and technology in the best way to solve hard problems. We partner with people embracing change, leveraging data, cybersecurity, cloud, and change management to drive successful business outcomes that matter to our customers.

Mariners build for change. Like SHIFT Energy, our energy management and decarbonization company. Or East Valley Ventures, created to scale social economic impact in our communities through investment and mentorship of emerging change-makers and their companies.

Mariner’s purpose has always been to be a great, everlasting technology company and the core values that guide us every day are:

OUR VALUES

We care for our team.
We care about the impact we have on our community.
We serve by solving complex problems.
We grow because growth fuels opportunities.
We innovate always and everywhere.
We build a business that lasts.

OVERVIEW OF THE ROLE:

We are seeking a Senior OT Control Systems Engineer to join a critical industrial operations environment in Saint John, New Brunswick. In this role, you will be responsible for the design, support, optimization, and security of Operational Technology (OT) and industrial automation systems that enable safe and reliable operations. The successful candidate will bring extensive experience in process control, industrial networking, distributed control systems, and automation technologies within complex industrial settings such as refining, manufacturing, utilities, or other process-driven environments.

This is an on-site position in Saint John, NB.

WHAT YOU’LL BE DOING IN THE ROLE:

Lead the design, implementation, and enhancement of OT and industrial control system solutions to support operational and business objectives.
Configure, maintain, and troubleshoot automation systems, including DCS, PLC, HMI, SIS, and asset monitoring platforms.
Develop and maintain control strategies, system configurations, and automation standards to improve performance, reliability, and safety.
Design and support industrial networks, ensuring high availability, cybersecurity compliance, and secure system integration.
Plan and execute system upgrades, patching, lifecycle management activities, and technology modernization initiatives.
Monitor system health, investigate operational issues, and provide advanced troubleshooting support for critical automation infrastructure.
Lead commissioning, startup, testing, and validation activities for new and modified control systems.
Collaborate with operations, engineering, maintenance, cybersecurity, and external vendors to deliver reliable and secure automation solutions.
Support process safety initiatives, risk assessments, and change management activities while maintaining technical documentation and procedures.

WHAT SKILLS / QUALIFICATIONS YOU’LL NEED TO DO THE JOB:

Required Experience

15+ years of experience supporting Operational Technology (OT), industrial automation, or process control environments, including significant experience in heavy industrial operations.
Strong expertise with industrial control technologies, including DCS, PLC, SCADA, HMI, Safety Instrumented Systems (SIS), and industrial networking platforms.
Hands-on experience with OT infrastructure, cybersecurity practices, network architecture, and system lifecycle management.
Proven experience troubleshooting, maintaining, and optimizing complex automation and control environments.
Previous experience in refining, petrochemical, energy, utilities, manufacturing, or other process-intensive industries is highly desirable.

Technical Expertise

Honeywell Experion PKS, TPS/TDC, Safety Manager, and HMI Web.
Rockwell Automation platforms, including Studio 5000 and FactoryTalk View.
Industrial Ethernet, Cisco networking, firewalls, and OT cybersecurity solutions.
Active Directory, Windows Server environments, VMware, and related OT infrastructure technologies.
Asset monitoring and reliability systems such as Emerson AMS, Bently Nevada, CCC, and Prognost.

Education & Certifications

Degree or diploma in Electrical Engineering, Electrical/Electronics Technology, Industrial Automation, Instrumentation & Controls, or a related field.
Professional engineering designation, engineering technologist certification, or relevant industry certifications are considered assets.
Certifications in Honeywell technologies, Cisco networking, OT/ICS cybersecurity, instrumentation, or electrical disciplines are highly regarded

Core Competencies & Skills

Demonstrated ability to excel in a dynamic, operationally driven environment while maintaining a high level of accuracy and attention to detail.
Strong organizational and time management skills, with the ability to effectively prioritize competing demands.
Excellent communication and interpersonal skills, supported by strong analytical capabilities and sound technical judgment.
Adaptable and responsive, with the ability to quickly adjust priorities based on operational requirements and business needs.
Self-motivated professional who can work independently while contributing effectively within cross-functional and collaborative teams.
Proven problem-solving, troubleshooting, and critical-thinking abilities in complex technical environments.
Strong hands-on technical expertise in industrial networking, network infrastructure, control systems hardware, panel design, installation, maintenance, and repair.
Commitment to operational excellence, continuous improvement, and the delivery of reliable, secure, and high-performing automation solutions.

WHY MARINER?

We believe in making a positive impact in the communities where we live and work! Not only are we passionate about nurturing a thriving technology sector here in Atlantic Canada, but we are also committed to solving technology challenges that will make an impact worldwide. Technology is everlasting, and we take pride in connecting world class talent to world class projects and business solutions.

If you are an IT Professional, Software Professional, or Management Consultant, that is passionate about career development, data, and problem solving, we want to hear from you! If this sounds like someone you know, share this with them so they do not miss the opportunity to experience Mariner!

To achieve this, we know we need to be all in on training and development of our team so we can continue to move the needle in the technology sector together. Of course, we offer competitive compensation and benefits packages to our team, but our competitive edge is the development and training that our team experiences every day.

Be part of our vibrant community that values diversity and embraces inclusion at every level. We are committed to fostering a culture where individuals from all backgrounds and walks of life feel empowered to contribute their unique perspectives. Our collaborative environment celebrates the richness of ideas and experiences, and we believe that by embracing diversity, we can achieve greater innovation and excellence together. Come and help us create a workplace that reflects the beautiful tapestry of our global community.

Join our growing team!

Apply About employer

More about this job

Responsibilities

The Senior OT Control Systems Engineer will lead the design, implementation, and optimization of industrial automation and control systems. They are responsible for ensuring the security, reliability, and performance of OT infrastructure within complex industrial environments.

Requirements

Candidates must have 15+ years of experience in OT, industrial automation, or process control environments. A degree or diploma in Electrical Engineering, Industrial Automation, or a related field is required, along with expertise in DCS, PLC, and industrial networking.

Skills

Operational Technology
Industrial Automation
Process Control
DCS
PLC
SCADA
HMI
Safety Instrumented Systems
Industrial Networking
Cybersecurity
System Lifecycle Management
Honeywell Experion PKS
Rockwell Automation
VMware
Windows Server
Troubleshooting

Benefits

Training and development
Competitive compensation
Benefits packages

Visa sponsorship

Not detected in the job text

Keywords

Operational Technology
Industrial Automation
Process Control
DCS
PLC
SCADA
HMI
Safety Instrumented Systems
Industrial Networking
Cybersecurity
Honeywell Experion PKS
Rockwell Automation
Studio 5000
FactoryTalk View
Cisco
Firewalls
Active Directory
Windows Server
VMware
Emerson AMS
Bently Nevada
Prognost
Electrical Engineering
Instrumentation
Controls
Lifecycle Management
Asset Monitoring
Commissioning
Change Management
Process Safety

Report this job