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Added 9 mins ago
W
Principal Process Automation & Controls Engineer
Worley
Calgary, AB
- Full-time
Lead the development, review, and implementation of Instrumentation & Controls (I&C) engineering deliverables.
Added 9 mins ago
G
Electrical Engineer/Designer
Grantek
Burlington, ON
- Full-time
Create bidding and scope documentation; lead the development and write-up of user and system design functional specification documentation
Added 12 mins ago
Project Controls Specialist
BWXT
Peterborough, ON
Support and sometimes lead the continuous improvement of departmental governance, procedures, tools, and best practices.
Added 12 mins ago
Senior Project Manager
BWXT
Peterborough, ON
…satisfactory contract execution. The Senior Project Manager will lead projects with influence, and execute control over budgets, schedules, and non-technical communication. As a Senior…
Added 12 mins ago
Manager, Supply Chain Contract Excellence
Celestica International LP
Toronto, ON
…manufacturing workflows. In this role, you will act as a tactical lead for specific process improvement initiatives, focusing on best in class contracting processes, eliminating process…
Added 12 mins ago
E
Maintenance Shift Lead
EPCOR
Regina, SK
- Full-time
We are hiring a full-time permanent Maintenance Shift Lead position working out of Regina, SK.
Added 12 mins ago
Senior Superintendent
Aecon
Toronto, ON · Scarborough, ON
Integrity. We lead by example, with humility and courage.
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IREN
Vancouver, BC
Lead daily site stand-ups and weekly construction progress reviews with contractors and engineering stakeholders
Added 24 mins ago
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Business Development Manager
Grantek
Burlington, ON
- Full-time
Implement effective lead generation tactics, including market research, networking, and outreach.
Added 24 mins ago
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Project Planning and Control Analyst-EN
CAE
Montreal, QC
- Full-time
…our centralized planning and control team for global software engineering, you will have the opportunity to participate actively during the projects financial review cycles, material…
Added 24 mins ago
AI
Senior CDN & Edge Reliability Engineer
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Participate in the shared on-call rotation as the platform’s subject-matter escalation, and lead incident management for customer-facing events.
Added 25 mins ago
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Process Engineer
Worley
Vancouver, BC
- Full-time
…across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and…
Added 25 mins ago
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Lead Electrical Engineer, Power Distribution
Worley
Oakville, ON
- Full-time
The Lead Electrical Engineer is responsible for providing technical leadership and delivering electrical engineering solutions for power distribution, energy storage, and related energy…
Added 25 mins ago
W
Lead Electrical Engineer, Power Distribution
Worley
Markham, ON
- Full-time
The Lead Electrical Engineer is responsible for providing technical leadership and delivering electrical engineering solutions for power distribution, energy storage, and related energy…
Added 25 mins ago
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AI Solutions Architect
Hays
Toronto, ON
- Contract
Act as the lead solution architect for assigned AI, integration, and enterprise transformation initiatives.
Added 25 mins ago
VC
Adobe Experience Manager (AEM), SRE - CDN and Edge Delivery
VK CONSULTING SERVICES
Canada
- Full-time
The successful candidate will work closely with platform vendors, security, networking, production support, and engineering teams to maintain website availability, optimize performance,…
Added 25 mins ago
UT
AML Developer IV/Data Scientist #26-25738
US Tech Solutions
Markham, ON
- $90 to $95 CAD / hour
- Contract
This is a highly collaborative, hybrid opportunity for a self-directed data science professional who can lead analysis, design, and support for technical data management solutions across…
Added 25 mins ago
IC
Senior Data Scientist – Azure & Databricks
Infotek Consulting Inc.
Toronto, ON
- $90 to $105 CAD / hour
- Contract
Independently lead complex analytical deliverables from exploration through implementation.
Added 25 mins ago
W
Senior Process Automation & Controls Engineer
Worley
Calgary, AB
- Full-time
Lead the development, review, and implementation of Instrumentation & Controls (I&C) engineering deliverables for customer projects and operating facilities.
Added 25 mins ago
W
Senior Process Automation & Controls Engineer
Worley
AB · Edmonton, AB
- Full-time
Lead the development, review, and implementation of Instrumentation & Controls (I&C) engineering deliverables for customer projects and operating facilities.
Added 25 mins ago
SS
Adobe Site Reliability Engineer (SRE) – CDN & Web Performance
Staffmax Staffing & Recruiting
Toronto, ON · Greater Toronto Area, Canada
- Full-time
This role focuses on CDN and edge reliability, website performance, monitoring, incident management, release engineering, and operational resilience. The successful candidate will help…
Added 25 mins ago
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Forward Deployed Engineer – AI, Data Engineering & MLOps / Toronto, ON (Onsite) - FTE
AceStack
Toronto, ON
- Full-time
Job Title: Forward Deployed Engineer – AI, Data Engineering & MLOps
Added 27 mins ago
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EHS Manager
Veolia Environnement SA
Oakville, ON
- Full-time
…Veolia's facility in Oakville, Ontario. This site serves as a key engineering, manufacturing, and distribution hub for Municipal & Industrial Water Solutions. The team specializes in…
Added 27 mins ago
Staff Software Engineer
Lantern
Vancouver, BC
Lantern is seeking a Staff Software Engineer to join our expanding product engineering pods. This is a strategic and highly visible role focused on driving your team’s architectural…
Added 27 mins ago
DC
Intermediate/Senior Noise Engineer
Dillon Consulting Limited
Calgary, AB · Edmonton, AB
- Full-time
Lead the strategy and drive the execution of high-value engineering solutions that position our firm as the premier technical partner for complex projects.

Lightspeed Commerce, Inc.

Senior Engineer, Application Security

Remote, Canada

Remote

Full-time

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Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 9, 2026

Original job description

Hi there! Thanks for stopping by 👋

Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!

As a Senior Application Security Engineer, you will serve as a foundational anchor on the AppSec team, leading our strategic shift hard-left toward developer-embedded security and Secure by Design operationalization. You will design, build, and scale state-of-the-art AppSec practices while collaborating closely with Vulnerability Operations to streamline vulnerability triage and remediation. Leveraging cutting-edge AI-assisted workflows and modern automation, you will eliminate friction for developers, burn down legacy risks, and fortify software lifecycles against sophisticated, emerging threat vectors.

What you’ll be doing:

Operationalize Secure by Design principles end-to-end, embedding seamless security controls directly into feature designs, pull requests, IaC checks, and daily engineering workflows.
Architect high-impact feature and infrastructure threat models, validating and enhancing advanced AI-generated threat modeling pipelines.
Configure, fine-tune, and orchestrate SAST, DAST, SCA, Secrets, and LLM scanner rulesets to eliminate false positives and streamline Vulnerability Operations.
Build and stabilize new AppSec processes and ways of working while ensuring legacy security controls remain fully active.
Pioneer AI-driven automation to dramatically accelerate vulnerability triage and remediation, systematically burning down security backlogs.
Provide hands-on technical fix guidance to developers for complex structural flaws and web application vulnerabilities.
Drive developer security enablement across the organization - championing our Security Champions program and delivering engaging, impactful secure coding workshops.
Partner closely with Platform and Infrastructure Security teams to build frictionless, automated guardrails into CI/CD pipelines.

What you need to bring:

Deep, hands-on experience in Application Security, Product Security, or Secure Software Engineering in high-growth cloud environments.
Bachelor's degree in Computer Science, Cybersecurity, or Software Engineering, or equivalent practical experience.
Deep understanding of web application vulnerabilities (OWASP Top 10), business logic flaws, and secure coding practices.
Proven track record tuning SAST, DAST, SCA, Secrets, and LLM scanner pipelines in CI/CD environments.
Demonstrated experience with threat modeling methodologies, Secure by Design principles, and guiding developers through code remediations.
Proven experience leveraging AI/LLM tools to automate security analyses, accelerate triage, and optimize developer security workflows.
Fluency in modern software development languages (e.g., Python, Go, JavaScript/TypeScript, Java).
Excellent cross-functional influence and communication skills to effectively lead the Security Champions program.

What’s in it for you:

Join a growing team and help us move to the next level
Amazing benefits & perks, including equity for all Lightspeeders
Constant development of both your skill-set and business acumen with limitless growth opportunities
Lots of autonomy, flexible work culture
Innovation time to explore and learn at work
Shaping the company by joining cultural & technical committees
Tons of growth opportunities into technical or people management roles
Opportunity to join a fast-paced, high-growth company
Opportunity to learn, expand your skill set, forge wonderful relationships and make your mark within the diverse and inclusive Lightspeed family, a true Canadian tech success story

…. And enjoy a range of benefits that will keep you happy, healthy and (not) hungry.

Lightspeed equity scheme (we are all owners).
Flexible paid time off and remote work policies.
Health insurance.
Contributions to your pension plan - RRSP.
Health and wellness benefit of $500 per year.
Paid leave and assistance for new parents.
Mental health online platform and counseling & coaching services.
Training opportunities to grow your skills and career
Volunteer day.
Fully stacked kitchen (hot and cold beverages, meals served)
Happy hours to build your relationships with colleagues after work

Fuel your growth. Find your people.

At Lightspeed, your growth is our priority. We invest in you with continuous learning opportunities, global mobility and benefits designed to support you - all within a driven, diverse and inclusive team that’s passionate about empowering our communities

Please note that we ask applicants to disclose any criminal convictions, and we conduct criminal record checks as part of our hiring process for this role.

To all recruitment agencies: Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier-free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Where to from here?

Obviously, this has to be mutually beneficial: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day. For a glimpse into our world check out our career page here.

Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Who we are:

Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the New York Stock Exchange (NYSE: LSPD) and Toronto Stock Exchange (TSX: LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

Lightspeed handles your information in accordance with our Applicant Privacy Statement.

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More about this job

Responsibilities

You will lead the strategic shift toward developer-embedded security and Secure by Design principles while architecting advanced threat modeling pipelines. Additionally, you will automate vulnerability triage and remediation workflows using AI-assisted tools and provide technical guidance to developers.

Requirements

The role requires deep hands-on experience in Application Security or Secure Software Engineering within high-growth cloud environments. Candidates must possess a bachelor's degree in a relevant field and demonstrate proficiency in modern programming languages and security scanning tools.

Skills

Application Security
Secure by Design
Threat Modeling
SAST
DAST
SCA
Secrets Management
LLM Scanner
Python
Go
JavaScript
TypeScript
Java
CI/CD
Vulnerability Management
Cloud Security

Benefits

Equity
Flexible paid time off
Remote work policies
Health insurance
Pension plan contributions
Health and wellness benefit
Paid parental leave
Mental health support
Training opportunities
Volunteer day
Fully stacked kitchen

Remote locations

Calgary, Alberta, Canada

Remote locations (standardized)

Calgary, Alberta, Canada

Visa sponsorship

Not detected in the job text

Keywords

Application Security
Product Security
Secure Software Engineering
Cloud Environments
OWASP Top 10
SAST
DAST
SCA
Secrets Management
LLM
Threat Modeling
Secure by Design
CI/CD
Python
Go
JavaScript
TypeScript
Java
Vulnerability Operations
Automation
Security Champions
Infrastructure Security
Platform Security
IaC
Web Application Vulnerabilities
Business Logic Flaws
Secure Coding
AI-assisted Workflows
Software Lifecycle
Threat Vectors

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