# Senior Platform Security Engineer

**Company:** [Spade](https://hotfix.jobs/companies/spade)
**Location:** Remote
**Role:** Security Engineering
**Salary:** $210k – $240k/yr
**Experience:** 6+ years
**Skills:** Pki, Certificate Lifecycle Management, Tls, Mtls, AWS, Aws Networking, Aws Security, Oauth 2.0, Jwt, Aws Cdk, Vulnerability Management, Pci Dss, SOC 2, Network Security
**Posted:** 2026-08-14

> Owns production-edge security for enterprise financial-institution connectivity, including PKI, mTLS, AWS networking, webhook security, and vulnerability remediation. Requires 6+ years of hands-on platform, infrastructure, or network security engineering experience.

## Job Description

## Responsibilities
- Own and operate mutual-TLS certificate infrastructure for enterprise bank onboarding and product operations.
- Build and maintain security workflows for private network connectivity, including endpoint tenancy mapping and connection monitoring.
- Operate webhook delivery security, including signing-secret rotation, client-certificate management, and delivery-failure response for outbound integrations.
- Drive vulnerability remediation end-to-end, from application and infrastructure scanning through verified closure.
- Set and codify secure-build standards for the engineering team.
- Continuously improve the security posture by collaborating across engineering, product, and go-to-market teams.

## Requirements
- 6+ years of experience in platform, infrastructure, or network security engineering, with hands-on ownership of production systems.
- Deep experience with PKI and certificate lifecycle management.
- Strong understanding of TLS and mTLS.
- Hands-on AWS networking and security experience.
- Working knowledge of OAuth 2.0, including client-credentials flow and JWT validation.
- Familiarity with certificate-bound token patterns.
- Experience setting security standards and working with engineering teams to adopt them.

## Nice-to-haves
- Fintech or payments background, including experience integrating with bank or financial institution network edges.
- Experience with cloud infrastructure and tools such as AWS CDK.
- PCI DSS or SOC 2 technical control implementation experience.
- Prior experience on a small or early-stage security team.

## Compensation and Benefits
- Anticipated base salary range: $210,000–$240,000 USD.
- Equity and benefits are included in total compensation.
- 100% paid medical, mental, dental, and vision premium option, plus One Medical membership for US-based employees.
- 401(k).
- 12 weeks of fully paid parental leave.
- Unlimited PTO.
- Work-from-home stipend.
- Company-paid lunches and Citibike membership.
- Flexible in-person culture at the NYC headquarters, with remote opportunities for certain roles in the US/Canada.

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