Find work in Canada.

A simpler way to find your next job.

Jobs in Canada

25+ jobs

Save this search

Added 26 mins ago
Software Engineer II - AEM
TD
Toronto, ON
Full-time
We are looking for an Senior AEM Developer with strong full stack experience to design, develop, build and enhance enterprise digital platforms using Adobe Experience Manager. The ideal…
Added 41 mins ago
Senior AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
Full-time
Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 41 mins ago
Photonics RLS Senior Engineer
Ciena
Ottawa, ON
Full-time
As part of Ciena’s Modem and Photonics Lifecycle Management (LCM) organization, this senior engineering role contributes to the development and optimization of test systems supporting…
Added 57 mins ago
Senior Platform Engineer I
Wrapbook
Remote, Canada
$156,500 to $215,000 CAD / year
Full-time · Remote
Wrapbook is looking for a Senior Platform Engineer I who will play a hands-on role in driving our mission to build an outstanding technology company. You will be working as part of a…
Added 1 hour ago
Senior QA Engineer (Agent Security)
Fortinet
Burnaby, BC
Full-time
We are hiring a Senior / Staff QA Engineer for Fortinet's AI security product line, FortiAIGate, to own end-to-end testing of the product across both SaaS and on-premises deployments.…
Added 1 hour ago
Senior Software Engineer, Device & Cloud Platform
Motorola Solutions
Vancouver, BC
Full-time
We're looking for a Senior Software Engineer to join the team that builds and operates the systems connecting our access control hardware to the cloud and to the mobile app. This team owns…
Added 1 hour ago
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
Other
While experience with cloud automation in AWS is highly valuable, deep AI/ML expertise is the primary priority for this role. We are looking for an engineer who excels at utilizing modern…
Added 1 hour 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 1 hour ago
Applications Development Sr Programmer Analyst- AVP -Mississauga
Citi
Mississauga, ON
Full-time
The Applications Development Senior Programmer Analyst is a pivotal technical professional who sits at the intersection of engineering excellence and enterprise impact - a builder,…
Added 1 hour ago
Senior Data Engineer (DBX)
Munich Re
Toronto, ON
As a Senior Data Engineer (DBX), you will design and deliver scalable data solutions for high-volume, complex data. You will lead technical design, build reliable data flows, and establish…
Added 1 hour ago
Software Development Manager, AIO Visualization and Reporting
Amazon
Vancouver, BC
…to see which customer's data, millions of times a month. A senior engineer leads each area, and a product manager works across both, so you will lead through your engineers rather than…
Added 2 hours ago
Integrator engineer
Zodiac Solutions, Inc
Montreal, QC
Full-time
The mission of the SecDesign team is to provide security architecture assessments of technology systems and processes to identify business risks and recommend remedial action based on…
Added 2 hours ago
Senior Cloud Platform Engineer, DevOps
ProCogia
Vancouver, BC
Full-time
ProCogia is looking for a Senior Cloud Platform Engineer with strong hands-on DevOps and cloud engineering experience who can design, build, operate, and improve modern enterprise…
Added 2 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 2 hours ago
Senior Cloud Platform Engineer, DevOps
ProCogia
Vancouver, BC
ProCogia is looking for a Senior Cloud Platform Engineer with strong hands-on DevOps and cloud engineering experience who can design, build, operate, and improve modern enterprise…
Added 2 hours ago
Senior Java Full Stack Engineer with AI/LLM
NexZenTek Solutions Inc
Montreal, QC
Contract
We are looking for an experienced engineer with strong full-stack development skills and hands-on experience building AI/LLM-enabled enterprise applications.
Added 2 hours ago
Senior Cloud Platform Engineer, DevOps
ProCogia
Vancouver, BC
Full-time
ProCogia is looking for a Senior Cloud Platform Engineer with strong hands-on DevOps and cloud engineering experience who can design, build, operate, and improve modern enterprise…
Added 3 hours ago
Senior Manager - Program & Project Management
LTM
ON · Ontario, Canada
$81,215 to $133,000 USD / year
Full-time
We are seeking a strategic and execution focused Senior Technical Program Manager to lead our AIML initiatives You will act as the operational backbone of our Artificial Intelligence…
Added 3 hours ago
Senior ETL Engineer
Tech Talent International
Toronto, ON
Contract
Job Description: Senior ETL Engineer responsible for designing, developing, and optimizing scalable data solutions leveraging Snowflake, Data Cloud, and modern data engineering technologies.
Added 3 hours ago
Senior Full Stack Engineer – AI/LLM
Prolifics
Montreal, QC
Contract
We are looking for an experienced engineer with strong full-stack development skills and hands-on experience building AI/LLM-enabled enterprise applications.
Added 3 hours ago
Senior Full Stack Developer – Cloud & Platform Engineering
Yochana
Calgary, AB
Full-time
We are seeking a Senior Full Stack Developer to design, build, and support secure, scalable, cloud native applications across the full stack. This role combines hands on software…
Added 4 hours ago
Risk Observability & Analytics Engineer
J&M Group
Montreal, QC
Contract
Core Profile: Senior Analytics/Data Engineer with 5+ years experience, combining Data Engineering, BI, AI, Automation, and Technology Risk.
Added 4 hours ago
Senior Java Software Engineer
RE Partners
Mississauga, ON
Contract
We are seeking an experienced, hands-on Senior Java Engineer to join a newly established Deployment Security and Software Reliability Engineering team supporting one of the world’s largest…
Added 4 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 5 hours ago
Software Engineer II
Socure
Toronto, ON · Greater Toronto Area, Canada
Full-time
…software workflows to agent-native operations. As a Software Engineer II on the team, you will help design, build, and harden a secure, evaluable, vendor-agnostic agent platform that teams…

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