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Added 6 mins ago
M
Tax Operations Representative
Manulife
Waterloo, ON · Montreal, QC · Halifax, NS
- Full-time
Reporting to the Manager of Tax Operations, the incumbent of the position is primarily responsible for handling advisor and customer interactions - including both outbound calls and…
Added 6 mins ago
SC
shift supervisor - Store# 04960, RIDEAU CENTRE
Starbucks Coffee Company
Ottawa, ON
- Full-time
As a Starbucks Shift Supervisor, you will assist the store manager in executing store operations during scheduled shifts. As a team lead, you will deploy partners and delegate tasks to…
Added 6 mins ago
SC
shift supervisor - Store# 55463, INDIGO - HILLCREST
Starbucks Coffee Company
Richmond Hill, ON
- Full-time
As a Starbucks Shift Supervisor, you will assist the store manager in executing store operations during scheduled shifts. As a team lead, you will deploy partners and delegate tasks to…
Added 21 mins ago
H
Addictions Counsellor Degree
HealthCareersInSask.ca
Regina, SK
- Full-time
Job Description: Under the direction of a Program Manager and as part of an interdisciplinary team, the Addictions Counsellor-Degree provides a range of screening, triage, assessment,…
Added 21 mins ago
TH
Senior Laboratory Technologist -CVH Microbiology
Trillium Health Partners
Mississauga, ON
- Full-time
Working collaboratively with the Laboratory Manager, Medical/Scientific staff and the laboratory team, the Senior Technologist supports overall laboratory operations, workflow, staffing…
Added 36 mins ago
CC
Retail Shift Leader
Canna Cabana
Calgary, AB · Vista Heights, Calgary, AB
- Part-time
Canna Cabana is actively seeking Part Time Shift Leaders at Vista Heights, Calgary, Alberta who are knowledgeable, responsible, hardworking, dedicated, and mature individuals interested in…
Added 1 hour ago
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Food Service Supervisor Full Time
Cook
Timmins, ON
- Full-time
Learn from and assist the Shift Manager to resolve labour relation issues, track and produce reports on weekly inventories, sales revenue, labour and food cost.
Added 1 hour ago
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(CAN) Overnight Lead Department Manager
Walmart
Camrose, AB
- Full-time
Assumes responsibility for store safety and security in the absence of the Overnight Assistant Manager. Manages accidents occurring during the overnight shift and ensures incidents are…
Added 1 hour ago
SC
shift supervisor - Store# 54228, 8656 YONGE STREET
Starbucks Coffee Company
Richmond Hill, ON
- Full-time
As a Starbucks Shift Supervisor, you will assist the store manager in executing store operations during scheduled shifts. As a team lead, you will deploy partners and delegate tasks to…
Added 1 hour ago
LC
Meat Assistant Department Manager Full Time Day
Loblaw Companies Limited
Sussex, NB
- Full-time
Able to move up to 50lbs and in constant mobility for an entire shift
Added 1 hour ago
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Global Relationship Manager- 3
BrightClaim
ON
- Full-time
Added 1 hour ago
HM
Family Practitioner/General Practitioner
Health Match BC
Osoyoos, BC
- Full-time
Our clinic is well-staffed and has an Office manager and 3 MOA’s. Each physician will have 1 dedicated office space plus 2 exam rooms. Our clinic is very spacious with recent renovations.…
Added 1 hour ago
HM
Family Practitioner/General Practitioner
Health Match BC
Osoyoos, BC
- Full-time
Our clinic is well-staffed and has an Office manager and 3 MOA’s. Each physician will have 1 dedicated office space plus 2 exam rooms. Our clinic is very spacious with recent renovations.…
Added 1 hour ago
CC
Barista Part Time at Assiniboine Park Conservancy
Compass Canada
Winnipeg, MB
- Part-time
Reporting to the General Manager, Gather Craft Kitchen & Bar, the Leaf Coffee Bar Barista will have the main objective to prepare and present expertly-crafted menu items while displaying…
Added 1 hour ago
Retail Experience Lead
Fire & Flower Inc.
Burlington, ON
The Retail Experience Lead is responsible for opening and closing duties, overseeing daily operations, and supervising staff during an assigned shift.
Added 2 hours ago
LH
Assistant Front Office Manager - FT - Chelsea Hotel - Toronto
Langham Hospitality Group
Canada
- Full-time
…policies of Chelsea Hotel are met. Reporting to the Front Office Manager, the Asst. Front Office Manager promotes a positive morale among the Front Office /Brilliant Team. The Asst. Front…
Added 2 hours ago
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Licensed Practical Nurse
HealthCareersInSask.ca
Carnduff, SK
- Part-time
Added 2 hours ago
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Nurse A - Registered Nurse Registered Psych Nurse
HealthCareersInSask.ca
Esterhazy, SK
- Full-time
Hours of Work: Extended Shift Hours (8 and 11.78)
Added 2 hours ago
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Assessor Coordinator Degree
HealthCareersInSask.ca
Arcola, SK
- Part-time
Job Description: This position reports to the Primary Health Care Manager and is responsible for the assessment and coordination of Home Care Client services and case management. The…
Added 2 hours ago
H
Nurse A - Registered Nurse Registered Psych Nurse
HealthCareersInSask.ca
Esterhazy, SK
- Part-time
…quality nursing care to clients. He/She is responsible to the Manager of the designated…
Added 2 hours ago
Program Manager, Public Works
Regional Municipality of Wood Buffalo
Fort McMurray, AB
The Program Manager, Public Works is responsible for overseeing Public Works programming and its related projects, and initiatives. Utilizing consistent and standard approaches, the…
Added 2 hours ago
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(CAN) Gérant du service à la clientèle
Walmart
Kirkland, QC
- Part-time
Working as a Customer Service Manager at Walmart Canada is a great opportunity to build strong leadership and operational skills in a fast paced retail environment. In this role, you lead…
Added 2 hours ago
WC
(CAN) Overnight Lead Department Manager
Walmart Canada
Camrose, AB
- Full-time
Assumes responsibility for store safety and security in the absence of the Overnight Assistant Manager. Manages accidents occurring during the overnight shift and ensures incidents are…
Added 2 hours ago
BH
Ward Clerk – Critical Care #568-26
Brightshores Health System
Owen Sound, ON
- Part-time
Reporting to the Manager, Critical Care, and Respiratory Services, the Ward Clerk is responsible to facilitate the flow of patient care efficiently and safely through accurate and timely…
Added 2 hours ago
WC
(CAN) Directs Store Delivery Associate
Walmart Canada
New Westminster, BC
- Full-time
Works closely with the Operations Manager and Office Support Associate to identify and resolve receiving issues or discrepancies efficiently.

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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