Senior Certificate Engineer (PKI / Active Directory)

We are seeking a highly skilled Senior Certificate Engineer to design, implement, and manage enterprise Public Key Infrastructure (PKI) solutions. This role will focus on Active Directory Certificate Services (AD CS), public certificate authority integrations, and end-to-end certificate lifecycle management across hybrid environments. The ideal candidate has deep expertise in Microsoft PKI architecture, certificate automation, and identity/security integration, along with experience working with public CAs (e.g., DigiCert, Entrust, Sectigo) in a large-scale enterprise environment. Your role in our mission PKI Architecture & Engineering

• Design and maintain enterprise PKI solutions, including offline root CAs, issuing CAs, and certificate policies
• Lead PKI modernization efforts, including hybrid and cloud-integrated certificate services
• Architect solutions that support high availability, scalability, and security compliance

Active Directory Integration

• Implement and manage Active Directory Certificate Services (AD CS)

• Configure and maintain:

• Certificate templates
• Group Policy-based auto-enrollment
• CRL distribution points (CDPs) and AIA locations

Integrate PKI with Active Directory, Azure AD, and hybrid identity environments Public Certificate Authority Management

• Manage enterprise relationships and integrations with external/public CAs
• Oversee procurement, issuance, renewal, and revocation of public SSL/TLS certificates
• Integrate public CA services into automation workflows and enterprise platforms

Certificate Lifecycle Management

• Manage certificate lifecycle processes including:

• Issuance
• Renewal
• Revocation
• Expiration monitoring

Implement automation using tools such as:

• PowerShell
• ACME / EST / SCEP protocols
• Certificate management platforms

Security & Compliance

• Ensure PKI solutions meet enterprise security policies and regulatory requirements (e.g., NIST, CIS, HIPAA, PCI)
• Conduct risk assessments related to certificate usage and cryptographic standards
• Maintain secure key management practices, including HSM integration where applicable

Operations & Troubleshooting

• Provide Tier 3 escalation support for PKI and certificate-related issues

• Troubleshoot:

• Authentication failures (TLS, smart card, etc.)
• Certificate chain issues
• Revocation and CRL distribution problems

Develop monitoring, alerting, and reporting for certificate health and usage Automation & Innovation

• Develop and maintain automation scripts and workflows for certificate deployment and management

• Integrate PKI processes with:

• ServiceNow
• Azure services
• DevOps pipelines

Do you have experience in Windows?, Do you have a Bachelor’s degree?, * Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)

• 7+ years of experience in:

• Enterprise PKI engineering
• Active Directory administration

Strong experience with:

• Active Directory Certificate Services (AD CS)
• Windows Server environments
• Public certificate authorities (DigiCert, Entrust, Sectigo, etc.)

Proficiency in scripting and automation (PowerShell preferred)

Deep understanding of:

• X.509 certificates
• TLS/SSL protocols
• Cryptographic algorithms and standards

2.62.6 out of 5 stars Florida Remote $85,000 - $121,400 a year - Full-time, Pulled from the full job description

• Tuition reimbursement
• Health insurance
• 401(k) matching, The pay range for this position is $85,000.00 - $121,400.00 per year, however, the base pay offered may vary depending on geographic region, internal equity, job-related knowledge, skills, and experience among other factors. Put your passion to work at Gainwell. You’ll have the opportunity to grow your career in a company that values work flexibility, learning, and career development. All salaried, full-time candidates are eligible for our generous, flexible vacation policy, a 401(k) employer match, comprehensive health benefits, and educational assistance. We also have a variety of leadership and technical development academies to help build your skills and capabilities.

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You’ll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You’ll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have comprehensive leadership and technical development academies to help build your skills and capabilities., We believe nothing is impossible when you bring together people who care deeply about making healthcare work better for everyone. Build your career with Gainwell, an industry leader. You’ll be joining a company where collaboration, innovation, and inclusion fuel our growth. Learn more about Gainwell at our company website and visit our Careers site for all available job role openings.