Senior Security Engineer

Primer
Summary
Join Primer, the world's first unified payment infrastructure, as a Senior Security Engineer. You will play a crucial role in shaping and scaling security across our fast-growing fintech platform. This hands-on role involves leading key security initiatives, collaborating with various teams, and working across cloud infrastructure, application security, detection and response, and GRC. You will lead and deliver end-to-end security initiatives, foster a strong internal security culture, and ensure security outcomes are measurable and aligned with risk. The ideal candidate is an experienced and pragmatic Senior Security Engineer with a generalist mindset and deep understanding of security in modern, cloud-native environments. Primer offers a remote-first work environment and a variety of benefits.
Requirements
- Strong experience in security engineering, ideally from a high-growth tech or product company
- The ability to work independently, lead cross-functional efforts, and deliver security outcomes end-to-end
- A passion for growing others – you actively drive knowledge sharing and foster a culture of security
- Demonstrable SecOps experience, including threat detection, response, and operational security in cloud environments
- Familiarity with tools like Elastic for threat detection and infrastructure-as-code tools like Terraform
- Proficiency in Python or a similar programming language for automation or tooling
- Knowledge of compliance frameworks and audit processes
Responsibilities
- Lead and deliver end-to-end security initiatives with minimal supervision
- Foster a strong internal security culture, sharing knowledge and driving improvements across teams
- Ensure security outcomes are measurable, visible, and tightly aligned with risk
- Collaborate with engineers and operations teams
- Build, maintain, and improve systems for threat detection and response (e.g. using AWS, Elastic)
- Work on application security and cloud infrastructure (AWS) – Terraform and Python development experience is highly valued
- Support and maintain compliance frameworks and some involvement in audit processes
- Participate in our on-call rotation for incident response and monitoring
Preferred Qualifications
Work on application security and cloud infrastructure (AWS) – Terraform and Python development experience is highly valued
Benefits
- We are fully remote
- Competitive share options
- Uncapped holiday, with 25 days minimum to be taken
- Co-working space access
- Workations & company retreat
- The best equipment for your role
- ��500 towards your home office setup
- Generous learning budget
- Medical insurance
- A broad set of additional perks and benefits ( depending on location)