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Job Title


Senior Platform Security Engineer


Company : Affirm


Location : Hamilton, Ontario


Created : 2026-01-22


Job Type : Full Time


Job Description

Overview Join the Senior Platform Security Engineer team at Affirm . The Security team strengthens risk posture while enabling secure access for the organization. Ideal candidates possess extensive experience building tooling and infrastructure for securing technical resources across a large team. Responsibilities 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. Design and develop scalable solutions across multiple domains. Configure and implement cloud security services including identity, access, detective controls, infrastructure protection and data protection. Specify, standardize, configure and validate access controls across cloud services and integrate security tooling into existing infrastructure. Develop security software configurations and improve tool functionality over time. Implement security controls across data infrastructure (S3, DynamoDB, RDS, Snowflake). Decompose large crossteam projects into individual tasks, manage scope and drive project closure. Qualifications Track record of tackling difficult, ambiguous challenges and driving to success. Adaptability in a complex, everchanging environment balancing security risks and business agility. Strong knowledge in infrastructure operations (networking, systems, storage), Corporate IT and technical tradeoffs between short and longterm security decisions. Handson experience deploying infrastructure in a Kubernetes environment. Experience developing and deploying cloud services using Terraform. Understanding of auditing usage and access to AWS cloud services. Experience managing security tooling such as Wiz, Auditbeat, CrowdStrike Falcon EDR, AWS System Manager Agent. BS degree in a related field; MS degree is a plus. Pay & Equity Pay grade: N. Equity grade: 6. Base pay range: $150,000 $200,000 per year. Total compensation may include monthly stipends for health, wellness and tech spending, and potential equity rewards. 100% subsidized medical coverage and other benefits are available. Remote Work Affirm is a remotefirst company. Most roles are fully remote; some may require occasional onsite work at an assigned office. Benefits Full medical coverage for employees and dependents. Flexible Spending Wallets for technology, food, lifestyle and family expenses. Competitive vacation and holiday schedules. Employee Stock Purchase Plan (ESP P) enabling discounted share purchases. EEO & Accommodations Affirm is proud to provide an inclusive interview experience for all, including people with disabilities. Reasonable accommodations are available during the hiring process. For U.S. positions that could be performed in Los Angeles or San Francisco, affirmative applicants with arrest and conviction records will be considered in accordance with the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance. References & Contact Get notified about new Senior Security Engineer jobs in Hamilton, Ontario, Canada . Referrals increase your chances of interviewing at Affirm by 2x. #J-18808-Ljbffr