Senior Certificate Engineer (PKI / Active Directory)
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.
Summary
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
Drive adoption of modern certificate management solutions and practices
What we're looking for
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
What you should expect in this role
Remote position (US continental only)
Opportunities to travel through your work (0-10%)
Video cameras must be used during all interviews, as well as during the initial week of orientation
The deadline to submit applications for this posting is 6/30/2026
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.
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.
Gainwell Technologies is committed to a diverse, equitable, and inclusive workplace. We are proud to be an Equal Opportunity Employer, where all qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We celebrate diversity and are dedicated to creating an inclusive environment for all employees.