Data Center Engineer (in Santa Clara, CA)
Five9 · San Ramon, CA (Onsite) · Posted Jul 8, 2026
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Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.
We are actively seeking an experienced Data Center Engineer for our Infrastructure Reliability team. This person will be responsible for building and installing multiple hardware components that make up the company’s infrastructure, focusing on long-term planning, design, and optimization of the data center environment. This position will be working at our data center in Santa Clara, CA, five days per week, along with being on call.
This role includes managing hardware, software, and network connections to ensure the reliability, security, and efficiency of the data center's operations. They handle tasks like installing and configuring equipment, troubleshooting issues, performing maintenance, and contributing to disaster recovery planning. He/she exhibits a deep understanding of data center technologies, strong analytical and troubleshooting skills, and excellent communication skills.
Key Responsibilities:
Designing and implementing new data center infrastructure, optimizing for performance and scalability, ensuring security, and planning for future growth
Build, manage and maintain company’s infrastructure in global data centers
Perform equipment installs – compute, network, storage, racks, PDUs, cabling, etc.
Closely monitor infrastructure to prevent failures and service degradation
Monitor and calculate power usage, power balancing and power availability in each cabinet
Ability to collaborate with other engineers and IT professionals to achieve common goals, troubleshooting and resolving issues
Communicate and coordinate with remote hands in remote data centers, providing technical direction when needed
Maintain asset inventory in DCIM – for both production and lab environments
Perform all shipping and receiving duties including RMA activities
Maintain impeccable documentation around our datacenter configuration
Set standards of excellence for all datacenter operations
Performing regular maintenance tasks, such as cleaning, inspecting, and replacing components, to prevent problems and ensure the longevity of the equipment
Update and work on tickets and tasks assigned in a timely manner
Follow change management process and participate in off hours change windows
Provide 24x7 support as needed
Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues.
Comfortable using command line interfaces
Familiarity with Linux and other cli operating systems
Familiar with server, storage, internet technologies
Ability to lift up to 75 lb.
Requirements:
Strong technical knowledge of networking, servers, storage, and virtualization, experience with data center design and implementation, ability to analyze and optimize performance, and project management skills
Minimum of 4 years hands on experience with Data Centre technologies – compute, network, storage, cabling, racks, PDUs, etc.
Great knowledge and experience with planning cooling, power and space resources Linux/Unix system administration, networking and SAN connectivity skills strongly desired
Experience working with vendors (quote-purchase process, RMA processes, support interactions)
Coding skills to automate repetitive tasks and gather reporting information
Experience supporting 24x7 customer facing production environment
Ability to troubleshoot and solve hardware problems independently
Bachelor of Science degree in Computer Science or equivalent experience
Work Location: This role is fully onsite. 5 days a week in office is required.
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short Long-Term Disability, Basic Life…