Senior Platform Security Engineer

Senior Platform Security Engineer at Affirm

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’s role is to increase security posture, reduce risk, and enable access to information securely. The ideal employee will have extensive experience developing tooling and infrastructure for securing technical resources, quickly learning current systems, identifying improvements, and implementing solutions used by experienced software and infrastructure engineers across the organization.

What you’ll 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 data infrastructure, including S3, DynamoDB, RDS, and Snowflake.
• Decompose large, cross-team 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, ever changing 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 trade-offs between short versus long term security business decisions.
• Hands‑on 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 related field or equivalent experience. MS degree in a related field or equivalent experience is a plus.

Compensation and Benefits

Pay Grade – N
Equity Grade –6
Base pay range per year: $150,000 – $200,000
Employees may be eligible for equity rewards offered by Affim Holdings, Inc. and receive 100% subsidized medical coverage, dental and vision for you and your dependents. Benefits include health care coverage, flexible spending wallets, time off, and an employee stock purchase plan.

Affirm is proud to be a remote‑first company. Roles are remote and you can work almost anywhere within the country of employment, with occasional office presence.