Public Key Infrastructure (PKI) Operations Engineer

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you. Position Summary (Purpose of job): Public Key Infrastructure (PKI) Operations Engineer We are seeking a skilled Public Key Infrastructure Operations Engineer to join our Enterprise Digital Certificate Management team. This role is critical to maintaining the security and reliability of our certificate lifecycle management systems. You will be responsible for days to day PKI operations handling certificates requests, revocations, resolving incidents and participating in on-call rotations to ensure 24/7 availability of our PKI Services. Key Responsibilities: Operational Support & Request Fulfillment: Execute certificate issuance, renewal, revocations, and key recovery operations according to establish procedures. Manage certificate lifecycle activities including monitoring expirations dates and coordinating renewals Perform routine health checks and monitoring of PKI infrastructure components Incident Management & Problem Resolutions: Respond to and resolve PKI-related incidents within defined SLA timeframes Troubleshoot certificate validations failures trust chain issues, and enrollment problems Investigate and resolve alerts from PKI monitoring systems Coordinate with applications teams to resolve certificate-related service disruptions Document incident root cases and implement preventive measures On-call & Shift Operations (Shift allowance applies) Participate in rotating on-call schedule to provide 24/7 support coverage Work assigned shifts to ensure continues operational support Respond to critical incidents during off-hours with appropriate urgency Compliance & Documentation: Ensure PKI operations comply with internal policies, Certificate practices statements and industry standards Maintain accurate operational documentation, runbooks and standard operation procedures Support internal and external audit activities related to PKI operations Track and report on Operational metrics and KPIs Technical Skills: 3 -5 years of hands-on experience with PKI technologies and certificate management Strong understanding of X.509 Certificates certificate authorities and trust hierarchies Proficiency with PKI platforms (Microsoft ADCS, DigiCert, GlobalSign..etc) Experience with certificate enrollment protocols (SCEP,CMPv2, ACME) Familiarity with HSMs and their operational management Understanding of certificate revocation mechanisms (CRL, OCSP) Basic scripting skills (PowerShell, Python or bash) for automation task Experience with monitoring and logging tools (Splunk, Logic Monitor, Grafana) Professional Experience: Demonstrated experience in IT Operations or security operations environments Track record of working in shift-based or on-call rotations models Experience with ITSM tools (ServiceNow, Remedy, Jira Service Management, etc) Proven ability to handle multiple priorities and work under pressure At McKesson, we care about the well-being of the patients and communities we serve, and that starts with caring for our people. That’s why we have a Total Rewards package that includes comprehensive benefits to support physical, mental, and financial well-being. Our Total Rewards offerings serve the different needs of our diverse employee population and ensure they are the healthiest versions of themselves. As part of Total Rewards, we are proud to offer a competitive compensation package at McKesson. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. Our Base Pay Range for this position €52,500 - €87,500 McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind: McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application. McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates. McKesson job postings are posted on our career site: careers.mckesson.com .