At MiniMed, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living with diabetes around the globe. You'll lead with purpose, breaking down barriers to innovation for a more connected, compassionate world.
We are seeking a DNS & PKI Engineer responsible for the design, implementation, automation, and operational support of enterprise DNS and certificate services. This role is critical to ensure secure, highly available name resolution and certificate lifecycle management across hybrid environments
Design, implement, and maintain enterprise DNS infrastructure, including:
Administer and optimize Infoblox DDI (DNS, DHCP, IPAM) platforms
Manage DNS zones, records, delegation, and resolution performance
Implement DNS security controls:
Integrate DNS services with Cloudflare for:
Troubleshoot complex resolution issues across hybrid (on-prem/cloud) environments
Design and manage enterprise PKI solutions, including:
Oversee full certificate lifecycle:
Request, issuance, renewal, revocation, and retirement
Implement and maintain automation for certificate lifecycle management (e.g., ACME, APIs)
Deploy and manage:
SSL/TLS certificates for web apps, APIs, and infrastructure
Mutual TLS (mTLS) where applicable
Ensure compliance with organizational security policies and industry standards
Administer and optimize Cloudflare services, including:
DNS hosting and record management
SSL/TLS configuration (Full/Strict modes, edge certificates)
CDN and performance tuning
Configure and maintain:
Support hybrid DNS architectures across on-prem and Cloudflare edge
Develop automation for DNS and certificate management:
Infrastructure as Code (IaC) (e.g., Terraform, ARM, etc.)
API-based integrations (Infoblox, Cloudflare, DigiCert)
Build monitoring and alerting for:
DNS resolution health
Certificate expiration
Security anomalies
Standardize deployment patterns and operational runbooks
Provide L3 support and escalation for DNS and certificate-related incidents from MSP
Help MSP conduct root cause analysis and implement corrective actions
Maintain system availability and performance aligned with SLAs
Participate in on-call rotation as needed
5+ years of hands-on experience in:
Strong experience with:
Infoblox (DDI platform administration, NIOS-X)
DigiCert (certificate issuance, automation, APIs)
Cloudflare (DNS, CDN, SSL/TLS, WAF)
Domain registrar management experience
Deep understanding of:
DNS protocols and architecture
TCP/IP networking fundamentals
SSL/TLS handshake and certificate chains
Experience troubleshooting:
Scripting/automation experience (PowerShell, Python, or similar)
Experience with:
Familiarity with:
Experience implementing DNS security controls (DNSSEC, RPZ)
Infrastructure-as-Code experience (Terraform preferred)
The above statements are intended to describe the general nature and level of work being performed by employees assigned to this position, but they are not an exhaustive list of all the required responsibilities and skills of this position.
MiniMed offers a competitive salary and flexible benefits package
At MiniMed, we put people first. A commitment to our employees lives at the core of our values: We recognize their contributions. They share in the success they help create. We offer a wide range of benefits, resources, and competitive compensation plans designed to support you at every stage of your career and life.
We want to make every day a better day for people living with diabetes. Our team of creative innovators around the globe share a passion for finding the simplest solutions to the problems that people with diabetes face on a daily basis. For more than 40 years, we've been redefining what's possible, from intelligent dosing systems designed for real life to predictive insights that stay a step ahead, and we're dedicated to continuing to support our customers through every step of their journey — meeting them where and how they need it.
