This position is no longer accepting applications
Closed on September 4, 2026.
This role is filled — get an email when new Senior roles open on EngineerJobs.io:
Sr. Security Engineer
Senior
Certificate Lifecycle
Certificate Management
Cyber Security
Cybersecurity
Cybersecurity Tools
Data Security
Facilities Management
Information Security
InfoSec
Pki
Risk Management
Security
Security Automation
Security Compliance
Venafi
View similar jobs
Get alerted when similar jobs are posted — set up a New Senior jobs on EngineerJobs.io alert.
See other roles at Horizontal Talent.
Job Description
Senior-level security engineering role focused on enterprise certificate and cryptographic services, with an emphasis on PKI reliability, automation, and standards.
Responsibilities
- Support daily operations for PKI infrastructure, including availability, resiliency, and patching
- Own certificate lifecycle activities: issuance, renewal, and revocation processes
- Maintain and improve certificate inventories across applications and infrastructure to reduce expiration and trust-related risk
- Develop and enhance automation for certificate management using APIs, pipelines, scripting, and related tooling
- Integrate PKI capabilities with enterprise environments, including CI/CD workflows, cloud services, and application platforms
- Help define and enforce standards for certificate usage, cryptography, and associated security policies
- Collaborate cross-functionally to support PKI onboarding, tooling adoption, and clear ownership practices
- Assist with incident response and remediation involving certificates, encryption, and trust chain issues
- Contribute to reporting, visibility, and compliance efforts tied to certificate health and security controls
- Participate in modernization work, including evaluation of emerging cryptographic approaches and tools
Requirements
- Bachelor’s degree in Computer Science, Cybersecurity, or related field (or equivalent experience)
- 3–7+ years experience in PKI, cybersecurity engineering, or infrastructure security
- Hands-on experience with certificate lifecycle management
- Working knowledge of PKI platforms and tools, including Venafi, DigiCert, Microsoft CA, or AWS ACM
- Strong understanding of TLS/SSL, cryptographic principles, and key management practices
- Ability to collaborate and communicate technical concepts clearly across teams
- High attention to detail with a focus on secure, reliable operations
Technologies
- Venafi, DigiCert, Microsoft CA, AWS ACM
- TLS/SSL
- CI/CD
- HSMs
- AWS, Azure
- NIST
- PCI-DSS
- CMMC
Preferred Skills
- Experience with HSMs and key custody operations
- Background in PKI automation using scripting, APIs, or pipeline-based workflows
- Experience supporting cloud certificate services (AWS or Azure)
- Knowledge of compliance frameworks such as NIST, PCI-DSS, or CMMC
- Experience supporting PKI at scale in large enterprise environments
- Familiarity with trust store management across distributed systems
Location: Atlanta, GA (onsite)