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Added 5 mins ago
ST
Dispatcher
Stock Transportation
Kirkland Lake, ON
- Full-time
…Transportation has a strong record of success and decades of experience in pupil transportation. With the support of Summit School Services, we are continually focused on delivering our…
Added 5 mins ago
TI
Account Manager (Influencer Marketing & Social Media)
The Influence Agency
Toronto, ON
- Full-time
Excellent communication skills to be the glue between clients and our operations team. Strives to do good for their clients and provide them a stellar customer experience
Added 5 mins ago
PI
Courier Utility 280
Purolator Inc.
Moose Jaw, SK
- Full-time
The Utility Courier picks up and delivers customer packages to meet daily pick-up and delivery schedules and resolves problems as they arise. Job covers other absent couriers that may be on…
Added 5 mins ago
SP
Marketing Communications Manager
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Toronto, ON · Greater Toronto and Hamilton Area, ON
- Full-time
…Commercial team including Marketing & Inside sales, Retention, Customer Experience and Commercial…
Added 5 mins ago
A
Product Owner
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Toronto, ON
- Contract
An experienced Software Development Manager/Product Owner to lead the development and delivery of scalable, customer-centric solutions in an Agile environment. The role involves defining…
Added 5 mins ago
L
5745 - 3rd Key
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- $18.1 USD / hour
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Mechanic Diesel 520
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Communicates concerns or escalates unusually complex or persistent problems to the Foreman or other manager
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Territory Manager - Healthcare
Linde
Fredericton, NB
- Full-time
Territory Manager - Healthcare (14 Monthcontrat)
Added 5 mins ago
P&
Coordinator, Membership
Prospectors & Developers Association of Canada (PDAC)
Toronto, ON
- Contract
Minimum of 2–3 years of recent, relevant experience in administrative roles, with a focus on customer service and membership/database management.
Added 5 mins ago
QM
Office Manager
Quantum Management Services Ltd.
Vaughan, ON
- $60,000 CAD / year
- Contract
…seeking a personable, organized and detail-oriented Office Manager to oversee daily administrative operations and provide support to its management team on a 12-month…
Added 5 mins ago
MA
Application Engineer - Link & Suspension
Musashi Americas
Waterloo, ON
- Full-time
Proven experience in the design and analysis of differential and gear systems, preferably in the automotive industry.
Added 5 mins ago
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Senior Manager, Inspections South
AGLC
Calgary, AB
- $147,395 to $202,668 CAD / year
- Full-time
…minimum and midpoint of the range, depending on qualifications, experience, competencies, and internal equity…
Added 5 mins ago
P
Senior Product Manager (Platform & AI)
PakFactory
Toronto, ON
- Full-time
…technology-powered platform. That means rebuilding our website, launching customer and vendor portals, and shipping AI products that change how packaging gets quoted, designed, and…
Added 5 mins ago
EC
Bilingual Team Lead, Recovery
ESC Corporate Services
Toronto, ON · Etobicoke, ON
- Full-time
…services on behalf of ESC's customers. Reporting to the Recovery Manager, you will serve as a subject matter expert, helping resolve complex issues, support team development, and ensure…
Added 8 mins ago
M
Barman or Barmaid
Marriott
Montreal, QC
- Full-time
…procedures; report accidents, injuries, and unsafe work conditions to manager; and complete safety training and certifications. Ensure uniform and personal appearance are clean and…
Added 8 mins ago
NT
Sr. Proposals Development Manager
Neptune Technology Group
ON · Mississauga, ON
- Full-time
…revenue optimization, operational efficiencies, and improved customer service. With our portfolio of smart water meters, data collection systems and software, we make data actionable for…
Added 8 mins ago
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2 PT Clerk Cashier (Centre Food Store RW#23) Saskatoon, SK - Saskatoon Co-oP
Co-op
Saskatoon, SK
- Part-time
Reporting to the Food Store Manager, responsibilities for this position include the following:
Added 8 mins ago
C
PT Seasonal Liquor Clerk (Warman Liquor #411) Warman, SK - Saskatoon Co-op
Co-op
Warman, SK
- Part-time
Reporting to the Store Manager, Responsibilities for this position include the following:
Added 8 mins ago
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PT General Clerk (Watrous Food #409) Watrous, SK - Saskatoon Co-op
Co-op
Watrous, SK
- Part-time
Reporting to the Gas Bar Manager, responsibilities for this position include the following:
Added 8 mins ago
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PT General Clerk (Rosthern Hybrid #410) Rosthern, SK - Saskatoon Co-op
Co-op
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- Part-time
Reporting to the Store Manager, responsibilities for this position include the following:
Added 8 mins ago
Advanced Technical Support Specialist CA MDT
Patterson-UTI
AB · Edmonton, AB
…coverage, Salesforce case ownership, remote troubleshooting, customer communication, P1 & P2 case response, and participation in the 24/7/365 Support…
Added 8 mins ago
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Credit Analyst II
TD
Toronto, ON
- Full-time
Support the Relationship Manager in booking new business by preparing competitive credit packages within established timeframes to meet customer needs.
Added 8 mins ago
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Executive Assistant I
TD
Toronto, ON · Mississauga, ON
- Full-time
…and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary…
Added 8 mins ago
T
Canadian Commercial Banking Associate
TD
Barrie, ON
- Full-time
…and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary…
Added 8 mins ago
TG
Planet Fitness - General Manager - London Oxbury Mall
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The Club Manager will be responsible for the oversight of gym operations to ensure an exceptional “Judgement Free” member experience as well as a financially successful club. This position…

Marqeta

Senior Security Engineer, Detection and Response

Remote, Canada

Remote

The new-hire base salary range for this full-time position, reflected in CAD, is: 136,800 - 171,000 · Full-time

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Job details

Pay: The new-hire base salary range for this full-time position, reflected in CAD, is: 136,800 - 171,000
Job type: Full-time
Workplace: Remote
Experience: 5+ years of hands-on experience in security operations with emphasis on Incident Response and Detection Engineering.
Posting language: English
Posted: Oct 6, 2026

Original job description

As Marqeta's Senior Security Engineer on the Security Operations and Response team, you will lead incident response for North America and shape how we detect and respond to threats using AI-driven automation in a Next-Gen Agentic SOAR. You'll join a Security Operations & Response team that builds its own AI tools to speed up investigations and strengthen Marqeta's security posture. In this role, you'll serve as the lead technical responder during security events, engineer automated detections and response workflows, run advanced threat hunts, help to build a resilient and comprehensive security operations program, and mentor junior teammates on incident response best practices, while participating in a 24x7 on-call rotation.

We work Flexible First. This role can be performed remotely anywhere within the province where you reside, whether that’s Ontario, Canada or British Columbia, Canada. We’d love for you to join us!

This position is for an existing vacancy.

The Impact You’ll Have

Serve as the lead security responder in North American timezones, triaging and investigating complex alerts and acting as a core member of the Cybersecurity Incident Response Team
Participate in 24x7x365 on-call rotations, providing senior-level expertise and escalation support for security events and incidents
Engineer, maintain, and continuously optimize detection logic across multiple data sources, using threat modeling to keep coverage current with the evolving attack landscape
Design detection coverage mapping that documents capabilities and identifies blind spots in the threat landscape
Develop and track KPIs with leadership, including detection effectiveness, false positive rates, and mean time to detect, respond, and recover
Create and maintain incident response runbooks, SOPs, and technical documentation to ensure consistent response operations
Mentor junior team members in security operations best practices, detection engineering, and incident response methodologies
Build automation workflows and orchestration playbooks that improve detection engineering, threat hunting, and incident response
Develop and use AI-driven tools for Security Operations and Incident Response
Conduct proactive, hypothesis-driven threat hunts across corporate and production environments, and support the logging and monitoring infrastructure that enables them

Who You Are

5+ years of hands-on experience in security operations with emphasis on Incident Response and Detection Engineering. Additional expertise in threat hunting, cyber threat intelligence, and digital forensics is preferred.
Industry certifications in Incident Response or related fields are strongly preferred, such as GCIH, GCFA, GIME, OSIR, or GEIR.
Intellectual curiosity with a passion for understanding emerging threats, analyzing attack patterns, and continuously learning about evolving security landscapes and adversary tactics.
Strong investigative instincts that compel you to dig deeper into anomalies, follow evidence trails, and reconstruct complex security incidents from fragmented data.
Commitment to proactive learning and staying ahead of evolving threats by researching emerging attack techniques and sharing insights with the security team.
Solid technical foundation in security concepts and technologies, with hands-on experience using enterprise security tools including EDR, NDR, CSPM, EASM, SIEM, SOAR, and Cloud Security platforms such as GuardDuty.
Proficiency with threat intelligence frameworks such as MITRE ATT&CK and their application in assessing detection capabilities and coverage gaps.
Expertise in developing new threat detection use cases based on security telemetry analysis, environment baselining, actionable threat intelligence, and incident response findings.
Ability to identify detection coverage gaps across global infrastructure and collaborate with stakeholders to enhance visibility through improved logging and detection content.
Strong understanding of AWS cloud services and containerization technologies.

Nice-To-Haves

Experience with programming languages such as Python, JavaScript, or Go
Experience with infrastructure as code tools such as Terraform.
Experience with forensic tools such as KAPE, EnCase, FTK, or Volatility.
Experience with Detections-as-Code infrastructure like Sigma, or YARA.
Experience conducting Purple Team exercises and writing reports.
Experience validating vulnerabilities or reported bugs.
Experience with Observability or SRE tools and processes.

Manager:

Gunnar Poling

Recruiter:

Kayla Osuna

Typical Process:

Application submission

Recruiter phone or video call
Hiring manager video call
Virtual “Onsite” consisting of 3-5, 45 min interviews
Offer!

Compensation and Benefits

Marqeta calibrates pay to a competitive value according to working location. When determining salaries, we consider several factors including, but not limited to, skills, prior experience, and work location. The new-hire base salary range for this full-time position, reflected in CAD, is: 136,800 - 171,000

We also believe in recognizing the contributions of our people. That's why we award annual bonuses to eligible employees, rewarding both individual performance and the success of the entire company.

Along with monetary compensation, Marqeta currently offers:

Multiple health insurance options
Flexible vacation time with additional floating holidays
Retirement savings program with company contribution
Equity in a publicly-traded company
Monthly stipend to support our remote work model
Annual development stipend to support our people growth and development
Family-forming benefits and generous parental leave base salary top-up

About Marqeta

Marqeta is on a mission to change the way money moves. We’re one of the earliest enablers of embedded finance, a market opportunity sized up in the trillions. Our card issuing platform provides unprecedented flexibility and control for companies to issue cards, authorize transactions, and manage payment operations in real time. Marqeta is powering the most well known brands in the new economy (Block, Cash App, Affirm, Instacart, Doordash, Uber, Walmart, etc). You don’t need to be a Payments expert to join the Marqeta Team, let us help you with that. This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all.

Marqeta’s Values

– Solve for the Customer: With a deep understanding of our customers' business and empathy for their needs, we deliver products and services that drive their success. Earning and keeping their trust guides everything we do.

– Do What's Right: Knowing businesses and livelihoods depend on us, we pursue solutions that disrupt responsibly and deliver high-quality results that our customers count on. We own our work from start to finish.

– Simplify and Innovate: We approach challenges with curiosity and take smart risks. Innovation comes from finding better, simpler ways to achieve extraordinary outcomes.

– Win as a Team: We succeed together by embracing diverse perspectives and pushing each other to raise the bar. We lead with humility and set aside hierarchy to work as a team.

– Make it Count: We drive forward with focus and agility. With a sense of urgency and purpose, we get the job done, and done right.

Equal Employment Opportunity, Accommodations and Privacy

Marqeta is an equal opportunity employer committed to an inclusive workplace that fosters belonging. We do not discriminate based on race, color, religion, sex (including pregnancy, lactation, childbirth, or related medical conditions), veteran status or uniformed service member status, age, national origin or ancestry, citizenship or immigration status, physical or mental disability, gender identity, gender expression, sexual orientation, genetic information (including testing or characteristics) or any other characteristic protected by applicable law. We also consider qualified applicants with criminal histories, consistent with legal requirements.

Marqeta endeavors to make reasonable accommodations for applicants with disabilities. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please submit this form with your specific accommodation request.

Marqeta cares about your privacy. Personal data that is provided as part of the application and recruitment process is processed in accordance with the Applicant Privacy Notice. Additional information for California residents can be found here.

To keep our interview process fair and consistent, we ask that all candidates join video interviews with their camera on.

Notice on Use of AI in Recruitment
We may use artificial intelligence (AI) tools in our recruitment processing consistent with the requirements of applicable laws. For more information, review our AI notice here.

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More about this job

Responsibilities

You will lead incident response efforts in North America and design automated detection workflows using AI-driven tools. Additionally, you will conduct proactive threat hunts and mentor junior team members to strengthen the overall security operations program.

Requirements

Candidates must have at least 5 years of hands-on experience in security operations, specifically in incident response and detection engineering. Proficiency with enterprise security tools, cloud platforms, and threat intelligence frameworks is essential for this role.

Skills

Incident response
Detection engineering
Threat hunting
SOAR
SIEM
EDR
NDR
Cloud security
AWS
Python
Automation
Cybersecurity
Digital forensics
Threat intelligence
MITRE ATT&CK

Benefits

Health insurance
Flexible vacation
Retirement savings program
Equity
Monthly remote work stipend
Annual development stipend
Family-forming benefits
Parental leave

Remote locations

Ontario, Canada
British Columbia, Canada

Remote locations (standardized)

British Columbia, Canada
Ontario, Canada

Visa sponsorship

Not detected in the job text

Hiring contact

Gunnar Poling

Keywords

Security Operations
Incident Response
Detection Engineering
Threat Hunting
SOAR
SIEM
EDR
NDR
CSPM
EASM
AWS
Python
JavaScript
Go
Terraform
MITRE ATT&CK
GCIH
GCFA
GIME
OSIR
GEIR
Automation
Cloud Security
Cyber Threat Intelligence
Digital Forensics
Purple Team
Observability
SRE
Sigma
YARA

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