Sr. Software Engineer, Public Key Infrastructure (PKI)

Salesforce•San Francisco, CA

23d

About The Position

We are seeking a Senior Software Engineer with hands-on experience in Enterprise grade Public Key Infrastructure (PKI) technologies. In this role, you will contribute to the development, automation, and support of PKI and certificate lifecycle management capabilities across the enterprise environment. The role involves strong collaboration with security, infrastructure, and application teams to ensure secure authentication, encryption, and digital trust within our systems.

Requirements

5+ years of hands-on experience in PKI systems, including EJBCA or similar CA/RA platforms.
Strong understanding of X.509 certificates, CRLs, OCSP, certificate templates, trust chains and key usage extensions.
Experience with enrollment protocols such as SCEP, EST, ACME, or CMP.
Familiarity with certificate lifecycle automation, workflows or CLM platforms and APIs
Experience with scripting or programming languages (e.g., Python, Golang, Java)
Familiarity with HSM integration, key escrow, and secure enclaves.
Understanding of PKI use cases for TLS/mTLS, device identity, Wi-Fi/EAP, VPN, code signing, workload identity, etc.
Proficiency with Linux environments and version control systems (e.g., Git).
Familiarity with cloud environments (AWS) and how PKI integrates with cloud services.
Solid understanding of DevOps practices, CI/CD, monitoring, and ownership of production systems.

Nice To Haves

Experience with hardware-backed security mechanisms such as TPM, HSM, or secure enclaves.
Experience with PKI in Kubernetes or service mesh environments (e.g., Istio, SPIRE, cert-manager).
Exposure to device attestation, platform security, or Secure Boot concepts.
Familiarity with relevant security frameworks or compliance standards (e.g., NIST, ISO, SOC 2).
Awareness of common security weaknesses (OWASP Top 10, CWE Top 25).
General understanding of core security concepts such as MFA, Zero Trust, and secrets management.

Responsibilities

Contribute to the implementation, development, deployment, configuration, and enhancement of EJBCA-based PKI infrastructure, including CA hierarchies, RA functions, OCSP responders, and CRL distribution.
Develop and maintain certificate lifecycle automation, including provisioning, renewal, revocation, monitoring, and audit logging.
Support internal stakeholders with certificate enrollment workflows (SCEP, EST, ACME, CMP) and usage patterns.
Help integrate certificate-based authentication into enterprise platforms, services, and workloads.
Support certificate lifecycle management processes for internal clients, applications, and devices.
Collaborate with security architects, infrastructure, and application teams to align PKI solutions with organizational policies and compliance requirements.
Participate in incident response and troubleshooting for PKI-related issues such as certificate validation failures or service outages.
Contribute to documentation, operational runbooks, and standards for PKI operations.