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Added 2 hours ago
BH
Specialist Engineer - Electrical
BC Hydro
Burnaby, BC
- Temporary
Specialist Engineer - Electrical Site – Campbell River Systems - Full Time Temporary
Added 3 hours ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
Degree or diploma in Electrical Engineering, Electrical/Electronics Technology, Industrial Automation, Instrumentation & Controls, or a related field.
Added 4 hours ago
TU
Aircraft Technician Avionics
targetjobs UK
London, ON · Bristol-London, ON
- Full-time
Commit to a minimum 3 years after completion of specialist training
Added 6 hours ago
CC
Asset Management Specialist (Contract)
Conestoga College
Kitchener, ON
- Full-time
Under the direction of the Executive Director, Facilities Management, the Asset Management Specialist manages and maintains facilities data, asset information systems, and technical…
Added 7 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 8 hours ago
NT
Project Engineering Lead
Novus Technical Services
Calgary, AB
- Full-time
Bachelor's degree in Electrical/Electronic, Instrumentation, or Civil Engineering
Added 8 hours ago
K
GIS & AIS Substation Engineer with strong Power Systems engineering capability
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Calgary, AB
- Full-time
Analyze technical issues within the electrical engineering discipline, aided and supported by the other specialist disciplines.
Added 8 hours ago
MC
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Myticas Consulting
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Added 8 hours ago
IS
Security Architect
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Regina, SK
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Provide security specialist/architect expertise with operational experience to advise and support Operations in addressing identified security gaps. The resource will help contextualize and…
Added 8 hours ago
SF
Technical Sales Specialist
Sterling Fleet Outfitters
Surrey, BC
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Identify mechanical, electrical, and installation requirements for upfit projects
Added 8 hours ago
TM
Senior Electrical Engineering Specialist
Trudell Medical International
London, ON
- Full-time
The Senior Electrical Engineering Specialist is responsible for leading the electrical development activities for advanced medical device products while providing technical leadership of…
Added 9 hours ago
B
Security Architect
BuzzClan
Regina, SK
- Contract
Role: Security Specialist – Security Architect
Added 10 hours ago
KI
GIS & AIS Substation Engineer with strong Power Systems engineering capability
Kleinfelder Inc
Calgary, AB · Edmonton, AB
- Full-time
Analyze technical issues within the electrical engineering discipline, aided and supported by the other specialist disciplines.
Added 10 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 10 hours ago
ML
Automation Specialist
Maple Leaf Foods Inc
Winnipeg, MB
- Full-time
The Automation Specialist position at our Lagimodiere facility is part of an automation team responsible for troubleshooting, servicing and maintaining automated industrial controls and…
Added 10 hours ago
FS
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Regina, SK
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Focus Systems is seeking an experienced Security Specialist - Security Architect (Intermediate) to provide security specialist and solution architecture expertise supporting critical…
Added 10 hours ago
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Automation Specialist
Maple Leaf Foods Inc
ON · Hannon, ON
- $71,000 to $103,000 CAD / year
- Part-time
The Automation Specialist position at Heritage will be responsible for troubleshooting, servicing and maintaining automated industrial controls and equipment across the entire facility -…
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Automation Engineer (Night Shift)
Maple Leaf Foods Inc
London, ON
- $71,000 to $103,000 CAD / year
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…continuous improvement initiatives. The Automation/Controls Specialist will play a key role in supporting the plant to improve equipment efficiency and optimize manufacturing…
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Security Specialist - Security Architect
Global Technical Talent, an Inc. 5000 Company
Regina, SK
- $50 to $80 CAD / hour
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This role provides security specialist/architect expertise with operational experience to advise and support Operations in addressing identified security gaps. The resource will help…
Added 10 hours ago
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Senior Mechanical Engineer - Rotating Equipment
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Added 10 hours ago
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Technical Services Specialist
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Georgetown, ON
- $64,000 to $84,000 CAD / year
- Full-time
We are currently seeking a technically skilled and customer-focused Technical Services Specialist to join our team. This is a new position within the team. Reporting to the Vice President,…
Added 10 hours ago
M
Rail Operations Specialist
Metrolinx
Canada
- Full-time
Our Network Operations Planning team is looking for a Rail Operations Specialist. This position is accountable for representing GO and UPE rail operations, supporting the review and…
Added 10 hours ago
PE
Intermediate Recruitment Specialist
Phasor Engineering Inc
Remote, Canada
- $70,000 to $100,000 CAD / year
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…and the testing and commissioning of medium and high-voltage electrical…
Added 10 hours ago
GT
UNIX Midrange Support
Global Technical Talent, an Inc. 5000 Company
Regina, SK
- $50 to $70 CAD / hour
- Contract
We are seeking a skilled and reliable UNIX Midrange Support Specialist with strong expertise in Unix system administration, including Red Hat, SuSe, and AIX platforms. The ideal candidate…
Added 11 hours ago
PE
Intermediate Recruitment Specialist
Phasor Engineering Inc
Calgary, AB
- $70,000 to $100,000 CAD / year
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…and the testing and commissioning of medium and high-voltage electrical…

Mariner

Senior OT Control Systems - Engineering Specialist

Saint John, NB, Canada

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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!

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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

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