MiniMed
Prin IT Technologist - DNS, PKI, Certification Services
India · On-site · Full time
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About the role
Description from the employer’s posting. Check the employer’s page for the current version.
- EmployerMiniMed
- LocationIndia
- Work styleOn-site
- Employment typeFull time
- Employer posted
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.
About the Role
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
#BetterDayStartNow
Key Responsibilities
DNS Engineering & Operations
Design, implement, and maintain enterprise DNS infrastructure, including:
Authoritative and recursive DNS services
Internal and external DNS architectures
Administer and optimize Infoblox DDI (DNS, DHCP, IPAM) platforms
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Manage DNS zones, records, delegation, and resolution performance
Implement DNS security controls:
DNSSEC
Response policy zones (RPZ)
DDoS protection strategies
Integrate DNS services with Cloudflare for:
Public DNS hosting
CDN and traffic routing
Security (WAF, bot protection, rate limiting)
Troubleshoot complex resolution issues across hybrid (on-prem/cloud) environments
PKI & Certificate Management
Design and manage enterprise PKI solutions, including:
Internal Certificate Authorities (CAs)
Integration with public CAs
Oversee full certificate lifecycle:
Request, issuance, renewal, revocation, and retirement
Implement and maintain automation for certificate lifecycle management (e.g., ACME, APIs)
Integrate catalog items within ITSM platforms
Understand certificate renewal process/auto renewal
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
Cloudflare Integration
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:
Web Application Firewall (WAF)
Zero Trust / access controls (where applicable)
Support hybrid DNS architectures across on-prem and Cloudflare edge
Automation & Engineering
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
Operations & Support
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
Required Qualifications
5+ years of hands-on experience in:
DNS engineering (enterprise-scale)
PKI / certificate lifecycle management
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:
DNS resolution failures
Certificate trust and validation issues
Scripting/automation experience (PowerShell, Python, or similar)
Preferred Qualifications
Experience with:
Hybrid cloud environments (Azure/AWS)
Microsoft Entra ID / Active Directory integration
Familiarity with:
Certificate automation tooling
Zero Trust architecture
Experience implementing DNS security controls (DNSSEC, RPZ)
Infrastructure-as-Code experience (Terraform preferred)
Physical Job Requirements
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.
Benefits & Compensation
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.
About MiniMed
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.
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At a glance
- Work styleOn-site
- Employment typeFull time
- Employer posted
- Added to ROLIVA
- Last checked
Skills in this posting
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