Senior Infrastructure Engineer
Definitive HealthcareAbout the role
About Definitive Healthcare:
At Definitive Healthcare (NASDAQ: DH), we’re passionate about turning data, analytics, and expertise into meaningful intelligence that helps our customers achieve success and shape the future of healthcare. We empower them to uncover the right markets, opportunities, and people—paving the way for smarter decisions and greater impact.
Headquartered just outside of Boston, Massachusetts, Definitive Healthcare operates across North America, Europe, and India, supporting a growing global client base of more than 2,400 customers since our founding in 2011.
We’re also a great place to work. In 2024 and 2025, we earned multiple workplace honors, including Built In’s 100 Best Places to Work in Boston (both years), a Stevie Bronze Award for Great Employers, and recognition as a Great Place to Work in India.
We foster a collaborative, inclusive culture where diverse perspectives drive innovation. Through programs like DefinitiveCares and our employee-led affinity groups we strive to promote connection, education, and inclusion.
About the Role
We are looking for an experienced and versatile Infrastructure Engineer to join our team. This is a broad, hands-on role for someone who is comfortable operating across the modern infrastructure stack — spanning cloud platforms, virtualization, systems administration, automation, and network engineering.
This role replaces a traditional network-only function and reflects how we think about infrastructure today: as an interconnected discipline where networking, computing, security, and automation are inseparable. You will be a key contributor to the reliability, scalability, and security of our platforms, and a go-to escalation point for complex infrastructure challenges.
What You'll Do
Cloud & Hybrid Infrastructure
- Support the maintenance of both on prem and cloud infrastructure across AWS, Azure, or GCP including compute, storage, networking, and identity services
- Manage and optimize hybrid connectivity between on-premises environments and cloud platforms (VPN, ExpressRoute/Direct Connect, Transit Gateway)
- Govern infrastructure as code (IaC) using tools such as Terraform or Pulumi, ensuring environments are reproducible and version-controlled
Networking
- Participate in ongoing management of network infrastructure including routers, switches, firewalls, and load balancers
- Manage and troubleshoot LAN/WAN, SD-WAN, VPN, BGP/OSPF, and VLAN environments
- Administer DNS, DHCP, and IP address management (IPAM) across hybrid environments
- Review and enforce network security policies, firewall rules, and segmentation strategies in collaboration with the security team
Systems & Virtualization
- Administer virtualized environments (VMware vSphere, Hyper-V, or equivalent) and container platforms (Kubernetes, Docker)
- Manage server operating systems at scale across Linux (RHEL/Ubuntu) and Windows Server
Monitoring, Reliability & Security
- Maintain observability tooling including infrastructure monitoring, alerting, and log aggregation (e.g. Datadog, Prometheus/Grafana, Splunk, or similar)
- Participate in an on-call rotation for infrastructure-level incidents, driving timely resolution and thorough post-incident reviews
- Contribute to backup, disaster recovery, and business continuity planning and testing
- Partner with the security team on vulnerability management, patching cadences, and hardening standards
Automation & Continuous Improvement
- Identify and drive automation opportunities to reduce toil and improve consistency across the infrastructure estate
- Contribute to capacity planning and infrastructure roadmap discuss
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