Find work in Canada.

551,488 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 7 hours ago
UO
Scientific Assistant
University of Victoria
Victoria, BC
- Full-time
…technical staff, such as the Manager of Laboratories (ML), Senior Scientific Assistants (SSAs), and Scientific Assistants (SAs), as needed for the day-to-day operation of the unit. This…
Added 8 hours ago
BH
Product Support Specialist - Membee
Beacon Holdings
Remote, Canada
- Full-time
- Remote
…our General Manager, Care, and work every day with our small engineering team and with…
Added 13 hours ago
B
Staff Software Engineer - Full-Stack, Solution Architecture
Blazesoft
Concord, ON
- Full-time
Full-stack, production-grade. Senior/staff experience building software end-to-end: .NET / C# REST APIs and Next.js / React front-ends with server-side rendering and real-time streaming…
Added 13 hours ago
B
Senior Product Manager
Blazesoft
Concord, ON
- Full-time
We're looking for a Senior Product Manager from the casino, iGaming, or sweepstakes industry who has been around the block, someone who does not need hand-holding to navigate a complex,…
Added 15 hours ago
ST
Senior IT Systems Specialist
Saltworks Technologies
Richmond, BC
- $110,000 to $140,000 CAD / year
- Full-time
Saltworks Technologies has an immediate opening for a Senior IT Systems Specialist. You will own our technology infrastructure, from on-premises servers and cloud platforms to enterprise…
Added 15 hours ago
S
Technology Manager
Skip
Oakville, ON
- Full-time
Prioritisation - Working closely with stakeholders and your Senior technology Manager to ensure the domain sets their priorities appropriately, in line with commercial needs and the…
Added 16 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 19 hours ago
CI
Intermediate Security Specialist – Security Architect - Onsite Regina, SK
Compugen Inc
Regina, SK
- Contract
Position Overview: We are seeking an Intermediate Security Specialist – Security Architect for a 12 month contract Onsite in Regina, SK
Added 21 hours ago
SM
Business Manager Operations Engineering Services
St. Michael's Hospital
Toronto, ON
- Full-time
Reporting to Senior Director of Engineering & Plant Services, the Business Manager – Operation will be responsible for overseeing daily operations and ensuring the efficiency of business…
Added 21 hours ago
W
Security Specialist – Security Architect
Workiy
Edenwold No. 158, SK · Regina East, Saskatchewan
- Contract
We are seeking for a seasoned Senior Security Specialist / Security Architect to join their Intelligent Networks & Infrastructure team. In this role, you will combine high-level security…
Added 21 hours ago
E
Specialist II TIS Application Observability
Enbridge
Calgary, AB · Edmonton, AB · Toronto, ON
- Full-time
…excellence, innovation, and sustainable growth. We are seeking a Specialist II, TIS Application Observability to serve as the technical authority for our enterprise observability platform…
Added 22 hours ago
ML
Sr. Automation Specialist - Contract
Maple Leaf Foods Inc
Winnipeg, MB
- Contract
The Senior Automation Specialist is responsible for troubleshooting, servicing and maintaining automated industrial controls and equipment across the facility - including production and…
Added 22 hours ago
AI
Ping Identity / ForgeRock Engineer
Apptoza Inc.
Montreal, QC
- Full-time
We are hiring for a Senior Identity and Reliability Engineering Specialist with responsibility for Identity lifecycle management and directory services. This includes products managing…
Added 1 day ago
C
Senior Software Engineer Technical Remediation & Enablement
Citi
Mississauga, ON
- Full-time
The Vice President (VP) / Senior Software Engineer – Technical Remediation & Enablement Lead is a hands-on, code-level technical specialist responsible for driving the direct remediation of…
Added 1 day ago
T
Technology Manager
Takeaway
ON
- Full-time
Prioritisation - Working closely with stakeholders and your Senior technology Manager to ensure the domain sets their priorities appropriately, in line with commercial needs and the…
Added 1 day ago
PC
End-User Support Specialist – 1 year contract
Pinchin Canada
Mississauga, ON
- $55,000 to $60,000 CAD / year
- Full-time
End-User Support Specialist - 1 year contract
Added 1 day ago
Senior Technical Specialist
Insurance Corporation of British Columbia
North Vancouver, BC
The Information Services Division is currently looking for a Senior Technical Specialist. In this position, you will provide senior-level technical leadership for the design,…
Added 1 day ago
PI
End-User Support Specialist – 1 year contract
Pinchin in Canada
Mississauga, ON
- $55,000 to $60,000 CAD / year
- Full-time
Join Pinchin’s IT team as an End-User Support Specialist and build your hands-on experience supporting employees and technology across the organization. This is a 1-year contract based in…
Added 1 day ago
P
Senior Software Developer in Test- 9 month contract- temporary
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
We are expanding our core travel tech platforms, and right now our QA team needs a Senior SDET who wants to own automated testing frameworks and pioneer AI-driven testing workflows rather…
Added 1 day ago
MD
Information Technology Specialist 5 - Unified Communications & Collaboration Architect
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
A Bachelor’s degree in Computer Science, Information Technology (IT), Software Engineering, Management Information Systems, or a closely related field can substitute for one (1) year of…
Added 1 day ago
I(
Senior Core Platform Engineer
IRC (Instant Risk Coverage)
Toronto, ON
- Full-time
6–10 years of backend software engineering experience, with meaningful time spent building platform or integration-layer systems.
Added 1 day ago
W
Senior Process Engineer - Uranium Processing Specialist
Wood
Saskatoon, SK
- $157,000 to $192,000 CAD / year
- Full-time
Wood currently has an exciting opportunity for a Senior Process Engineer - Uranium Processing Specialist at any of our Wood offices in BC, AB, or SK. Reporting to the Process Department…
Added 1 day ago
JE
Technology Manager
Just Eat Takeaway.com
ON
- Full-time
Prioritisation - Working closely with stakeholders and your Senior technology Manager to ensure the domain sets their priorities appropriately, in line with commercial needs and the…
Added 1 day ago
HO
Full-Stack Developer (Digital Product Developer)
House of Commons (Canada) / Chambre des communes (Canada)
Ottawa, ON
- Full-time
Graduation from a college or technical institute in information technology, computer science, software engineering, or another related field, or an acceptable combination of education,…
Added 1 day ago
HO
Senior Full-Stack Developer (Senior Digital Product Developer)
House of Commons (Canada) / Chambre des communes (Canada)
Ottawa, ON
- Full-time
Graduation from a college or technical institute in information technology, computer science, software engineering, or another related field, or an acceptable combination of education,…

Mariner

Senior OT Control Systems - Engineering Specialist

Saint John, NB, Canada

Apply About employer

Applications open in a new tab.

Job details

Apply by: Nov 21, 2026
Posting language: English
Posted: Sep 22, 2026

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 while collaborating with cross-functional teams to support operational objectives.

Requirements

Candidates must have 15+ years of experience in OT, industrial automation, or process control environments, particularly in heavy industrial sectors. A degree or diploma in a relevant engineering or technical field is required, along with deep 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
Inclusive culture

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
Active Directory
Windows Server
VMware
Emerson AMS
Bently Nevada
Prognost
Asset Monitoring
Lifecycle Management
Commissioning
Process Safety
Change Management
Refining
Petrochemical
Energy
Manufacturing

Report this job