Principal Infrastructure Engineer

Here at Ooma we empower people to connect in smarter ways. We do this by creating powerful communication experiences through our cloud-based platform to bring people together at work and at home. Our solutions help small business owners stay connected with their customers and manage their businesses from anywhere. For larger companies we provide customized unified communications solutions to meet their unique needs. At home, we help our customers connect with their loved ones by providing the #1 rated VoIP phone service available. We also provide them with peace of mind through our innovative smart home security solution. At Ooma, all our products and services are priced competitively, because we believe advanced technology should be accessible to all. About the Role: Our Infrastructure Services team is responsible for ensuring that the infrastructure backing all production services is highly available, scalable, and operating optimally. The Principal Infrastructure Engineer is a senior technical leader who operates across both network and systems engineering, driving architecture, reliability, and automation. This role requires someone who can lead at a strategic level, collaborate across teams, and dive deep technically to solve complex problems in production environments. What You'll Do: Design, build, and evolve infrastructure supporting production services across network and systems domains, ensuring high availability, performance, and scalability Drive improvements to reliability, redundancy, and overall service delivery across infrastructure environments Serve as a senior escalation point for complex production issues, troubleshooting and resolving critical incidents impacting service availability Lead by example through hands-on technical contribution and ownership of challenging infrastructure problems Oversee and optimize on-premises network infrastructure, including switching, routing, firewalls, and load balancing, while ensuring security and resilience Architect and manage Linux systems, virtualization platforms, and server infrastructure to support stable, high-performing environments Lead the development and adoption of automation across network and systems environments, implementing Infrastructure as Code (IaC) to standardize operations Reduce manual processes and improve consistency across deployments and operational workflows Partner with Engineering, Development, QA, and Application teams to support services and align infrastructure with business and application requirements Act as a technical bridge to drive successful delivery of cross-functional initiatives Establish and enforce infrastructure best practices and standards while mentoring team members and elevating overall technical capability Drive continuous improvement across infrastructure design, operations, and documentation Evaluate, design, and implement AI-assisted tooling to improve reliability, performance, and operational efficiency Foster the development, implementation, and progression of AI-based tools and software to streamline infrastructural tasks and expedite completion of projects and initiatives. Experience We're Looking For: 12+ years of experience in infrastructure engineering, including deep expertise in network engineering (routing, switching, firewalls, load balancing) and systems engineering (Linux, virtualization, server hardware), along with a Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience may be considered) Proven experience supporting production environments in on-premises datacenters, with a strong focus on reliability and operational stability Strong hands-on expertise in Linux administration and performance optimization across complex environments Solid understanding of core networking protocols, including BGP, OSPF, and TCP/IP, is essential Demonstrated ability to troubleshoot issues across the full infrastructure stack, from hardware through network and systems layers Experience implementing automation and Infrastructure as Code using tools such as Terraform, Ansible, or similar is required Proficiency in scripting (Python, Bash, or equivalent) to support automation and operational efficiency Familiarity with network and systems automation frameworks and modern infrastructure practices Ability to operate both strategically and tactically, with a track record of owning and delivering large-scale infrastructure initiatives in fast-paced environments Strong collaboration skills, with the ability to work effectively across cross-functional teams and communicate complex technical concepts Experience with containerization a