Find work in Canada.

331,147 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 40 mins ago
Senior Automation Engineer
Actalent
Ottawa, ON
Contract
…technologies. You will own automation development during early-stage hardware and board bring-up, working at the low-level operating system and board support package (BSP) layer rather than…
Added 40 mins ago
Senior PCB Layout Engineer
Actalent
Ottawa, ON · Kanata, ON
Full-time
Are you passionate about solving complex hardware challenges and bringing advanced electronic systems to life? Join a team developing cutting-edge power conversion technology used in…
Added 2 hours ago
Onsite Client Engineer (Essex, Hertfordshire, Suffolk, Kent & West Sussex)
Arc
ON · Essex, ON
Full-time
Hands-on break/fix support across the estate: laptops, printers, presentation screens, visitor tablets and general end-user hardware.
Added 2 hours ago
Senior OT Control Systems - Engineering Specialist
Mariner Innovations
Saint John, NB
Full-time
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…
Added 2 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
Build and maintain low-level software components including device drivers, kernel modules, hardware interfaces, and platform services<span…
Added 2 hours ago
Senior Remote Area Transmitter Technologist (T & I) (On site)
CBC/Radio-Canada
Halifax, NS
Full-time
…energetic individual to join its Halifax team in the role of a Senior Remote Area Transmitter Technologist. The successful candidate will be involved in installing, troubleshooting, and…
Added 3 hours ago
LLM Engineer
Qualcomm
Markham, ON
Full-time
…mobile, edge, auto, and IOT products through machine learning hardware and…
Added 6 hours ago
Systems Administrator/Operations Support Specialist – Senior - RQ11514
S M Software Solutions Inc
Toronto, ON
Internship
We are looking for an experienced Systems Administrator/Operations Support Specialist – Senior with strong expertise in Oracle Siebel CRM administration, enterprise systems operations,…
Added 6 hours ago
Systems Administrator/Operations Support Specialist – Senior - RQ11514
S M Software Solutions Inc
Toronto, ON
Internship
We are looking for an experienced Systems Administrator/Operations Support Specialist – Senior with strong expertise in Oracle Siebel CRM administration, enterprise systems operations,…
Added 6 hours ago
Project Manager/Leader - Senior - RQ11582
S M Software Solutions Inc
Toronto, ON
Internship
We are seeking an experienced Senior Project Manager/Leader with strong expertise in large-scale, complex, high-profile and high-risk I&IT projects, organizational development, strategy…
Added 6 hours ago
Project Manager/Leader - Senior - RQ11582
S M Software Solutions Inc
Toronto, ON
Internship
We are seeking an experienced Senior Project Manager/Leader with strong expertise in large-scale, complex, high-profile and high-risk I&IT projects, organizational development, strategy…
Added 6 hours ago
Project Manager/Leader - Senior - RQ11559
S M Software Solutions Inc
Toronto, ON
Internship
We are looking for a highly experienced Senior Project Manager/Leader to manage large-scale, complex, high-profile, and high-risk projects for OPS Gov Tech ON initiatives. The ideal…
Added 6 hours ago
Project Manager/Leader - Senior - RQ11559
S M Software Solutions Inc
Toronto, ON
Internship
We are looking for a highly experienced Senior Project Manager/Leader to manage large-scale, complex, high-profile, and high-risk projects for OPS Gov Tech ON initiatives. The ideal…
Added 7 hours ago
Satellite TT&C/PDT Systems Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Satellite Bus Systems Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Spacecraft EMC Systems Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Guidance, Navigation & Control (GNC) Systems Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Satellite Electrical Power System (EPS) Design Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Satellite Electrical Propulsion Systems Engineer
MANNARINO
Montreal, QC
Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 7 hours ago
Senior Design Engineer, Microelectronics and Advanced Packaging
Sanmina
Ottawa, ON
$110,000 to $160,000 CAD / year
Full-time
We are seeking a Senior Design Engineer, Microelectronics and Advanced Packaging to join our team to support and lead both technology and product development programs, from initial…
Added 8 hours ago
Intermediate Technician, Audiovisual and Educational Technologies
University of Ottawa
Ottawa, ON · Vanier Hall
Full-time
Reporting to the Senior Technician, Academic Technical Support, the incumbent provides advice and technical support services to end users in areas related to the installation, operation,…
Added 8 hours ago
Senior Software Developer
P&P Optica
Waterloo, ON
$110,000 to $115,000 CAD / year
Full-time
PPO is looking for a Senior Software Developer to design and implement high-quality software across our product ecosystem. This is a broad, high-impact engineering role: you'll spend most…
Added 8 hours ago
Intermediate Technician, Audiovisual and Educational Technologies
University of Ottawa
Ottawa, ON
Full-time
Reporting to the Senior Technician, Academic Technical Support, the incumbent provides advice and technical support services to end users in areas related to the installation, operation,…
Added 9 hours ago
IT Build Analyst
TD
Toronto, ON · Mississauga, ON
Full-time
Deliver effective and defect-free support (application, hardware, software and/or operations), researching system issues / opportunities, overseeing the execution of recommendations and…
Added 10 hours ago
Senior Systems Administrator / Operations Support Specialist – Siebel CRM
Joblinxsapp
Toronto, ON
Internship
Position: Systems Administrator / Operations Support Specialist – Senior

Mariner Innovations

Senior OT Control Systems - Engineering Specialist

Saint John, NB, Canada

Job type: Full-time
Apply by: Oct 23, 2026
Posting language: English
Posted: Sep 23, 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 a relevant engineering or technical field is required, along with deep expertise in DCS, PLC, and industrial networking.

Skills

OT Control Systems
Industrial Automation
DCS
PLC
SCADA
HMI
Safety Instrumented Systems
Industrial Networking
Cybersecurity
Honeywell Experion PKS
Rockwell Automation
System Lifecycle Management
Process Control
Troubleshooting
Commissioning
Asset Monitoring

Benefits

Competitive compensation
Training and development
Career development

Visa sponsorship

Not detected in the job text

Keywords

OT
Industrial Automation
DCS
PLC
SCADA
HMI
SIS
Industrial Networking
Cybersecurity
Honeywell Experion PKS
Rockwell Automation
Studio 5000
FactoryTalk View
Cisco
VMware
Emerson AMS
Bently Nevada
Process Control
Lifecycle Management
Instrumentation
Electrical Engineering
Refining
Petrochemical
Energy
Manufacturing
Utilities
System Integration
Commissioning
Change Management
Operational Technology

Report this job