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 and orchestration technologies such as Kubernetes and Docker is strongly preferred  
• Familiarity with hybrid or cloud environments (AWS, GCP, Azure) would be valuable  
• Exposure to monitoring, observability, and capacity planning tools and practices is a plus  
• Background in high availability, disaster recovery, and failover design is considered an advantage #LI-CC1

About the Role: 

Our Network Engineers are forward-thinking problem solvers who stay ahead of modern technologies and industry trends. At Ooma, we use a diverse set of tools and platforms to build a highly available, resilient network that delivers a seamless experience to our customers.

As a Senior Network Engineer on the Infrastructure Services team, you’ll play a key role in managing and evolving our production network. You’ll contribute across all layers of network infrastructure—helping to ensure performance, scalability, and reliability while partnering with teams across the organization. 

What You’ll Do: 

• Ensure the stability, security, and performance of the production network through proactive monitoring and maintenance  
• Troubleshoot and resolve network issues efficiently, minimizing impact to business-critical services  
• Manage and maintain on-premises infrastructure, including switches, routers, firewalls, and load balancers  
• Design, implement, and evolve scalable network architectures to support new initiatives and growth  
• Monitor network performance, availability, and capacity, identifying and driving improvements  
• Develop and implement automation to enhance operational efficiency, reliability, and scalability  
• Design, test, and manage network security strategies (e.g., DDoS mitigation, failover, disaster recovery)  
• Collaborate cross-functionally and mentor team members, sharing best practices and technical expertise  
• Maintain accurate technical documentation and recommend improvements to optimize network performance and capacity
• Integrate AI capabilities into network operations to enhance monitoring, anomaly detection, and predictive maintenance, improving overall network reliability and performance
• Incorporate AI tools to assist with forecasting, scaling, traffic analysis and additional future proofing 

Experience We’re Looking For: 

• 8+ years of networking experience is required, along with relevant certifications (e.g., CCNP, CCDP), including at least 5 years supporting enterprise-scale networks; a BS in Computer Science, Engineering, or a related field is preferred (equivalent experience may be considered). 
• Strong expertise in routing and switching protocols (e.g., BGP, OSPF) and Layer 2 technologies (VLANs, STP, VRRP; VXLAN a plus) is essential. 
• Hands-on experience configuring, deploying, and troubleshooting network infrastructure—including switches, routers, firewalls, and load balancers (e.g., F5, FortiADC)—is expected. 
• Proficiency with network platforms such as Junos, Arista EOS, ScreenOS, or similar systems is critical to success in this role. 
• Experience supporting production environments, including 24/7 operations and high-availability systems, is critical, along with the ability to remain calm and effective under pressure.
• Proven ability to design, implement, and optimize network solutions from concept through production  
• Strong troubleshooting skills, including the use of Linux-based tools, monitoring systems, and performance analysis techniques  
• Experience working in data center environments, with exposure to network monitoring, security, and DevOps/automation tools  
• Collaborative, self-driven leader with strong communication skills and ownership mindset; able to mentor junior team members and thrive in fast-paced environments with a focus on customer impact #LI-CC1

What We Offer: 

We may utilize AI-enabled tools during the hiring process, including for resume review, scheduling, and interview note-taking or transcription. These tools are used solely to support our hiring team; all employment decisions are made by human reviewers. Where interviews are recorded or transcribed, candidates will be notified in advance and their consent will be obtained.