Find work in Canada.

548,293 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 4 mins ago
HT
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 4 mins ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 20 mins ago
A
Director of Rooms Division (Full-Time)
AccorHotel
Ottawa, ON
- Full-time
Lead the Rooms Division in alignment with Fairmont, Accor Luxury, Forbes Travel Guide, and LQA service standards.
Added 34 mins ago
GE
Route Manager
GFL Environmental Inc.
Coquitlam, BC
- Full-time
Team Leadership & Development: Direct, coach, and support route supervisors and curbside drivers. Lead hiring, onboarding, performance evaluations, and workforce planning to promote a…
Added 49 mins ago
ST
Senior Chemical Process Engineer
Saltworks Technologies
Richmond, BC
- $110,000 to $150,000 CAD / year
- Full-time
Saltworks is a 2025 Technology Fast 50 company and an EY Entrepreneur of the Year award winner. We lead our industry in adopting and developing AI across our products, projects, and…
Added 49 mins 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 49 mins ago
ST
Pilot Plant Engineer
Saltworks Technologies
Richmond, BC
- Full-time
You will advance your technical skills while working closely with our experienced senior leaders and subject matter experts. If you thrive in a dynamic environment and enjoy hands-on work,…
Added 1 hour ago
S
Technology Manager
Skip
Oakville, ON
- Full-time
Just Eat Takeaway is seeking a Technology Manager to lead and grow the Delivery as a Service team (DaaS) within our Logistics Pillar (Logistics Services).
Added 1 hour 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 1 hour ago
GS
IT Operations Lead
Giatec Scientific Inc.
Ottawa, ON
- Full-time
We're looking for an IT Operations Lead who believes great IT is invisible: people get what they need, it just works, and it's secure without getting in anyone's way. You'll lead IT at a…
Added 2 hours ago
AC
Finance Director
Aston Carter
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Lead and support monthly, quarterly, and annual financial close processes, ensuring timely and accurate completion.
Added 3 hours ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
…and Business Service Delivery and Procurement) is seeking a Senior Software Developer – API to join their team onsite in Toronto. In this role, you will design, develop, and maintain…
Added 3 hours ago
OT
Principal Systems Architect (Copilot Architect)
Open Text Corporation
Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
Demonstrated ability to lead large project teams, influence senior stakeholders, and communicate advanced technical implications in business terms.
Added 3 hours ago
P
Senior DevOps Engineer
Pixieset
Vancouver, BC
- Full-time
Lead significant platform improvements with a high degree of ownership, from understanding the problem and evaluating options through implementation, rollout, adoption, and ongoing…
Added 3 hours ago
Director, Sales & Commercial Effectiveness, Western Canada and Southwestern Ontario
Right Time Group of Companies
Canada
Lead the creation of sales reports and dashboards, ensuring that senior management is informed of sales performance, trends, and areas of opportunity for improvement.
Added 3 hours ago
F
Senior Piping Designer
Fluor
Vancouver, BC
- Full-time
Operating under detailed instructions and review, the purpose of this position is to provide the essential technical knowledge and perform the work listed. This role has the responsibility…
Added 4 hours ago
RO
Advisor, Water and Wastewater Strategic Infrastructure Planning
Region of Peel
Brampton, ON
- Contract
Lead the development of various asset management improvement initiatives identified in the maturity road map, presenting recommendations to senior leadership and Council for approval.
Added 4 hours ago
TA
Sr. Consultant/Manager - Analytics Consulting
Tiger Analytics
Canada
- Full-time
…audiences, and communicate findings and recommendations to senior…
Added 4 hours ago
W
Oracle EBS & Fusion SCM Architect
W3Global
Canada
- Contract
Ability to lead architecture workshops, produce solution designs, manage technical risks, and influence senior business and technology stakeholders.
Added 4 hours ago
MC
Program Chief Engineer – Spacecraft Satellite Systems (35863)
Myticas Consulting
Canada
- Full-time
We are seeking an accomplished Program Chief Engineer to serve as a senior technical authority across complex spacecraft and satellite programs.
Added 4 hours ago
MC
Director, FinOps (35690)
Myticas Consulting
BC · British Columbia, Canada
- Full-time
We are seeking an experienced Director, FinOps (Cloud Financial Management) to build, lead, and mature an enterprise FinOps program focused on delivering measurable and sustainable cloud…
Added 4 hours ago
K
Senior Consultant - Cybersecurity, Strategy & Transformation
KPMG
Vancouver, BC · Victoria, BC
- Full-time
Our Vancouver/Victoria team is looking for a highly motivated Cyber Security professionals at the Senior Consultant level to join our team! As a member of KPMG Canada’s cross-functional…
Added 5 hours ago
VS
Seeking Volunteer Leaders for Special Olympics Cal...
Volunteer Success
Bolton, ON
- Full-time
Love sport? Love giving back to your community? Special Olympics Ontario is looking for new and enthusiastic volunteers to help lead and shape the Special Olympics community in Caledon!
Added 5 hours ago
TU
Research Associate
The University of British Columbia
Vancouver, BC
- Full-time
The Research Associate provides senior level scientific leadership through the design, execution, analysis, and dissemination of original research in advanced materials, polymers, bio-based…
Added 5 hours ago
G-
Route Manager
GFL - Sewer Technologies Division
Coquitlam, BC
- Full-time
Team Leadership & Development: Direct, coach, and support route supervisors and curbside drivers. Lead hiring, onboarding, performance evaluations, and workforce planning to promote a…

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