Sr Systems Administrator - Radiation​/Imaging

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.

McKesson is seeking a Sr Systems Administrator - Radiation/Imaging to lead the strategy, delivery, support, and continuous improvement of critical clinical technology platforms supporting Radiation Oncology operations. This leadership role is responsible for ensuring the reliability, security, scalability, and performance of oncology applications, including MOSAIQ, ARIA, and Eclipse, while partnering with clinical, operational, and technology stakeholders to deliver business value and exceptional user experiences.

The ideal candidate combines healthcare technology expertise, application leadership experience, and strong stakeholder management skills to support mission-critical clinical environments.

• Lead the strategy, roadmap, support, and optimization of Radiation Oncology applications, including MOSAIQ, ARIA, and Eclipse.
• Manage application lifecycle activities including implementation, upgrades, configuration, maintenance, and performance improvement.
• Partner with clinical, operational, and technology teams to translate business requirements into scalable application solutions.
• Ensure application availability, reliability, security, and compliance within a regulated healthcare environment.
• Oversee production support, incident management, problem resolution, and service improvement initiatives.
• Provide leadership for application delivery teams, vendors, and external partners.
• Drive continuous improvement through operational metrics, governance standards, and best practices.
• Communicate platform performance, risks, and strategic recommendations to senior leadership and stakeholders.

• 7+ years of experience supporting, administering, implementing, or managing enterprise healthcare applications, clinical systems, or healthcare technology platforms.
• Hands‑on experience with Radiation Oncology applications including MOSAIQ, ARIA, and/or Eclipse.
• Experience configuring, building, maintaining, and supporting application environments in a healthcare setting.
• Knowledge of Windows Server, Microsoft SQL Server, and Citrix infrastructure.
• Experience leading application support, implementation, upgrade, or operational delivery initiatives.
• Experience working with business stakeholders, clinical users, vendors, and technology teams.
• Bachelor's degree in Information Technology, Computer Science, Healthcare Informatics, Engineering, or a related field, or equivalent experience.

• Experience supporting Radiation Oncology clinical workflows and oncology care delivery operations.
• Knowledge of healthcare application integration, interfaces, and interoperability standards.
• Experience with IT Service Management (ITSM), change management, and governance processes.
• Familiarity with cloud technologies, automation, observability, and platform modernization initiatives.
• Experience managing third‑party vendors and technology partners.
• Strong analytical, problem‑solving, and strategic planning capabilities.
• Experience leading distributed or cross‑functional technology teams.
• Healthcare industry certifications or relevant application certifications.