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Job Title


Senior Platform Security Engineer


Company : Affirm


Location : Toronto, Ontario


Created : 2026-01-22


Job Type : Full Time


Job Description

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Security team posture increases security and reduces risk while securely enabling access to information for those who need it! We protect and secure affirms production infrastructure while balancing risk to enable business growth. We are looking for a Senior Security Engineer in the Security Engineering and Architecture team, primarily supporting the Infrastructure and Platform Security organization. The role focuses on vulnerability management, cloud security, perimeter and network security, and hardening of critical environments. You will partner with corporate/workforce security, incident response, security operations, identity and access systems, and infrastructure engineering teams that build, operate, and manage compute, storage, caching, and security systems at scale. You will solve complex security problems and help design solutions aligned with broader organizational goals. What youll do Drive infrastructure, network and perimeter security initiatives for hardening and segmentation. Work across multiple engineering functions and organizations to advocate for security practices. Influence, align and implement security features across engineering teams. Demonstrate expertise across various domains to design and develop scalable solutions. Configure and implement cloud security services, including identity and access management, detective controls, infrastructure protection, and data protection. Specify, standardize, configure, and validate access controls across a wide range of cloud services. Integrate security tooling into existing infrastructure. Develop security software configurations and improve tool functionality over time. Implement security controls across affirms data infrastructure, including S3, DynamoDB, RDS, and Snowflake. Decompose large, crossteam projects into individual tasks. Manage scope across teams and drive toward project closure. What we look for A proven track record of tackling difficult and ambiguous challenges and driving them to success. Capable of shifting focus in a complex, everchanging environment to balance between security risks and business agility. Strong in multiple domains including infrastructure operations (e.g., networking, systems, storage), corporate IT, and able to make technical tradeoffs between short and longterm security business decisions. Handson experience deploying infrastructure within a Kubernetes environment. Experience developing and deploying cloud services using Terraform. Understanding of methods and systems used for auditing usage and access to AWS cloud services. Experience managing security tooling, including Wiz, Auditbeat, Crowdstrike Falcon EDR, AWS System Manager Agent, or similar. BS degree in a related field or equivalent experience; MS degree in a related field or equivalent experience is a plus. Pay Grade N Equity Grade 6 Employees new to affirm typically come in at the start of the pay range. affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and jobrelated skills. Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by affirm Holdings, Inc. (parent company). CAN base pay range per year: $150,000 - $200,000 affirm is proud to be a remotefirst company! The majority of our roles are remote and you can work almost anywhere within the country of employment. affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned affirm office. A limited number of roles remain officebased due to the nature of their job responsibilities. Benefits Health care coverage affirm covers all premiums for all levels of coverage for you and your dependents. Flexible Spending Wallets generous stipends for spending on technology, food, various lifestyle needs, and family forming expenses. Time off competitive vacation and holiday schedules allowing you to take time off to rest and recharge. ESPP an employee stock purchase plan enabling you to buy shares of affirm at a discount. Equal Opportunity Employment and Accessibility We believe Its On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process. [For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, affirm will consider for employment qualified applicants with arrest and conviction records. By clicking ''''Submit Application,'''' you acknowledge that you have read affirm''''s Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein. #J-18808-Ljbffr