Job description
Marqeta is seeking a Canada-based Senior Security Engineer to join our Security Operations & Response Team. In this senior-level role, you’ll serve as a key technical leader, driving complex incident response efforts, developing advanced detection capabilities, and mentoring junior team members. You’ll play a critical role in evolving our detection engineering program through proactive threat hunting, automation, and strategic collaboration across the business to strengthen our overall security posture. This position requires deep expertise in enterprise security tools, threat intelligence, and cloud technologies, along with the ability to lead initiatives and produce robust security documentation. The role includes participation in a 24x7 on-call rotation and spans both hands-on response and long-term program development. Reporting to the Manager of Security Operations & Response, this position follows our Flexible First approach and can be based remotely anywhere in Ontario or British Columbia.
The Impact You’ll Have
- Serve as a primary security responder, leading the triage and investigation of complex security alerts as part of the Security Operations & Response team
- Participate in 24x7x365 on-call rotations, providing senior-level expertise and escalation support for security events, alerts, and incidents
- Lead technical response efforts as a core member of the Cybersecurity Incident Response Team during security incidents
- Engineer and maintain sophisticated detection logic across multiple data sources to identify persistent threats and anomalous behavior patterns
- Design and implement comprehensive detection coverage mapping, documenting capabilities and identifying blind spots in the threat landscape
- Develop and track key performance indicators, including metrics pertaining to detection effectiveness, false positive rates, mean time to detect, respond, and recover in collaboration with leadership
- Develop and maintain comprehensive incident response runbooks, standard operating procedures, and technical documentation to ensure consistent and effective response operations
- Mentor junior team members in security operations best practices, detection engineering techniques, and incident response methodologies
- Build automation workflows and orchestration playbooks that enhance detection engineering processes, threat hunting operations, and incident response procedures
- Conduct proactive threat hunting campaigns using hypothesis-driven methodologies to uncover hidden threats in corporate and production environments
- Continuously evaluate and optimize existing detection rules through threat modeling, ensuring coverage evolves with the changing attack landscape
Who You Are
- 5+ years of hands-on experience in security operations with deep expertise in detection engineering, threat hunting, incident response, digital forensics, and/or threat intelligence
- 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, SIEM, and SOAR platforms
- 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
- Experience with infrastructure as code tools such as Terraform
Manager
- Charles Neitzel
Recruiter
- Kayla Osuna
Typical Process
- Application submission
- Recruiter phone or video call
- Hiring manager video call
- Virtual “Onsite” consisting of 4-5, 45 min interviews
- Offer!
Compensation and Benefits
Marqeta is a Flex First company which allows you to choose your best working environment, whether that be from home or at a company office. To support Flex First, we calibrate 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 position, reflected in CAD, is: 119,400 -149,300.
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 offers
- Multiple health insurance options
- Flexible time off – take what you need
- Retirement savings program with company contribution
- Equity in a publicly-traded company
- Monthly stipend to support our remote work model
- Annual “development dollars” to support our people growth and development
- Family-forming benefits and up to 20 weeks of Parental Leave
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.
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.
