Senior Infrastructure Engineer

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 discussions Mentor P1/P2 engineers and share knowledge through internal documentation and team sessions What You'll BringExperience & Skills 4–7 years of experience in infrastructure, network engineering, or a related discipline Strong networking fundamentals and hands-on experience with enterprise network platforms (Cisco, Juniper, Palo Alto, Fortinet, or similar) Proven experience with at least one major cloud platform (AWS, Azure, or GCP) — ideally with a cloud associate-level certification or equivalent practical experience Experience managing Linux and Windows Server environments in production Familiarity with containerization concepts and platforms (Docker, Kubernetes) Experience with monitoring and observability tooling in a production environment Strong troubleshooting skills across network, compute, and storage layers Comfortable working in an on-call capacity for infrastructure incidents Nice to Have Working knowledge of infrastructure as code and configuration management tools (Terraform, Ansible, or similar) Experience with SD-WAN platforms (e.g. Meraki, Viptela/Cisco SDWAN, VMware VeloCloud) Scripting proficiency in Python, Bash, or PowerShell for automation Exposure to DevOps practices and CI/CD pipelines Experience in a zero-trust network architecture project Relevant certifications: CCNA/CCNP, AWS Solutions Architect, Azure Administrator (AZ-104), CKA, or equivalent Compensation and BenefitsThe salary range for this position is $115,000 – $173,000 per year, which represents the base pay the company reasonably and in good faith expects to pay for this role. Actual pay within this range will be determined based on factors such as relevant experience, skills, and qualifications. Depending on the position, employees may also be eligible to participate in a company bonus or commission plan. All employees are eligible for a comprehensive benefits package, including medical, dental, and vision coverage, unlimited paid time off, and participation in the company’s 401(k) plan with employer contribution.Why we love Definitive, and why you will too!Industry leading productsWork hard, and have fun doing itIncredibly fast growth means limitless opportunityFlexible and dynamic cultureWork alongside some of the most talented and dedicated teammatesDefinitive Cares, our community service group, gives all of us a chance to give backCompetitive benefits package including great healthcare benefits and a 401(k) matchWhat our Employees are saying about us on Glassdoor: “Great Work atmosphere, great work life balance, excellent company to work for, amazing top notch product, incredible customer service, lots of tools to help you succeed.”-Business Development Manager“Great team. Amazing growth. Employees are treated very well.”-Research Analyst“I have waited 36 years to work at a dream job for a dream company and I am so happy to have finally got there.”-Profile AnalystIf you don’t fit all of these qualifications, but believe you’re still a great fit, feel free to apply and tell us why in your cover letter.If you are a California, Colorado, New York City or Washington resident and this role is a remote role, you can receive additional information about the compensation and benefits for this role, which we will provide upon request.Definitive Hiring PhilosophyDefinitive Healthcare is an equal opportunity employer that celebrates diversity and is committed to creating an inclusive workplace with equal opportunity for all applicants and teammates. Our goal is to recruit the most talented people from a diverse candidate pool regardless of race, color, religion, age, gender, gender identity, sexual orientation or any other status. If you’re interested in working in a fast growing, exciting working environment – we encourage you to apply!Privacy Your privacy is important to us. Please review our Candidate Privacy Notice which tells you how we use and process your personal information.Please note: All communications regarding the hiring process at Definitive Healthcare will come directly from one of our corporate recruiters or coordinators using an @definitivehc.com email address. We do not advertise open roles on Facebook and will never request money transfers or ask candidates to purchase equipment with a promise of reimbursement. If you receive any suspicious communication, please contact View email address on click.appcast.io to verify your status in the application process.