Data Center Technician L3

Milestone Technologies, Inc.; Sunnyvale (CA); On-site; USD 71,000 - 102,000; Full time

Job summary

Milestone Technologies, Inc. in Sunnyvale, CA is seeking a Data Center Technician L3 to join our high‑performance data center team.

This hands‑on role covers deployment and steady‑state operations, including hardware installation, cabling, provisioning, and escalation of complex issues across server, network and infrastructure domains. You will work with engineers and site leadership, communicate clearly in English, and participate in change management while documenting procedures.

Qualifications

• Strong English communication skills (written and verbal) are required for coordination with cross‑functional teams
• Advanced hands‑on experience with data center hardware, cabling, and infrastructure environments
• Proficiency with Linux systems for troubleshooting and basic scripting tasks
• Ability to configure and troubleshoot network hardware using CLI tools
• Strong understanding of hardware lifecycle management (installation, maintenance, decommissioning)
• Experience working within structured operational processes (SOPs, change management, ticketing systems)
• Familiarity with ITSM/DCIM platforms (ServiceNow, Jira, or similar)
• Strong cable management and structured cabling skills (fiber and copper)
• Ability to read and follow technical documentation, diagrams, and procedures
• Strong problem‑solving skills and attention to detail
• Ability to multitask and adapt in a fast‑paced environment
• Strong teamwork and collaboration skills, with the ability to work independently when needed

Responsibilities

• Perform rack & stack, hardware installation, and structured cabling during deployment phase
• Support system provisioning, configuration, and validation activities
• Troubleshoot infrastructure issues across Layer 1–3 (hardware, cabling, and network)
• Serve as a primary technical escalation point for complex operational issues
• Interface with network devices via CLI (Cisco, Arista, Juniper, Dell)
• Utilize Linux systems for troubleshooting and operational support
• Maintain accurate asset and inventory records using ITSM/DCIM tools
• Participate in change management, including maintenance windows and production changes
• Support transition from deployment to steady‑state operations, including documentation and process adherence
• Ensure compliance with safety, security, and operational standards
• Contribute to continuous improvement efforts, including process optimization and operational efficiency initiatives
• Participate in on‑call rotation supporting 24x7 operations

Skills

Data center hardware

Structured cabling

Linux troubleshooting

Network CLI

Rack & stack

Change management

ITSM tools

Tools

ServiceNow

Jira

DCIM tooling

Job description

Company Overview

Milestone Technologies is a global IT managed services firm that partners with organizations to scale their technology, infrastructure and services to drive specific business outcomes such as digital transformation, innovation, and operational agility. Milestone is focused on building an employee-first, performance-based culture and for over 25 years, we have a demonstrated history of supporting category-defining enterprise clients that are growing ahead of the market. The company specializes in providing solutions across Application Services and Consulting, Digital Product Engineering, Digital Workplace Services, Private Cloud Services, AI/Automation, and ServiceNow. Milestone culture is built to provide a collaborative, inclusive environment that supports employees and empowers them to reach their full potential. Our seasoned professionals deliver services based on Milestone’s best practices and service delivery framework. By leveraging our vast knowledge base to execute initiatives, we deliver both short-term and long-term value to our clients and apply continuous service improvement to deliver transformational benefits to IT. With Intelligent Automation, Milestone helps businesses further accelerate their IT transformation. The result is a sharper focus on business objectives and a dramatic improvement in employee productivity. Through our key technology partnerships and our people-first approach, Milestone continues to deliver industry-leading innovation to our clients. With more than 3,000 employees serving over 200 companies worldwide, we are following our mission of revolutionizing the way IT is deployed.

Job Overview

Data Center Technician L3

The Data Center Technician L3 is an advanced, hands‑on role supporting the build‑out and ongoing operation of a high-performance, enterprise-scale data center environment supporting advanced compute and large-scale infrastructure deployments.

This position is designed for experienced technicians who are comfortable owning complex tasks and serving as a primary technical escalation point within the site. You will play a key role during the initial deployment phase, contributing to hardware installation, structured cabling, and infrastructure bring‑up. As the data center transitions into steady-state operations, you will take on increased responsibility for troubleshooting, incident response, and operational execution.

You will work across server, network, and infrastructure domains, collaborating closely with engineers and site leadership to maintain uptime and performance. This role requires strong technical capability, attention to detail, and the ability to operate effectively in a fast‑paced production environment.

You will collaborate with cross‑functional teams, making clear and professional communication in English (written and verbal) essential for success in this role.

This role offers continuity across both deployment and operational phases, providing exposure to large-scale infrastructure environments and a clear path for progression into advanced technical or engineering roles.

Key Responsibilities

• Perform rack & stack, hardware installation, and structured cabling during deployment phase
• Support system provisioning, configuration, and validation activities
• Troubleshoot infrastructure issues across Layer 1–3 (hardware, cabling, and network)
• Serve as a primary technical escalation point for complex operational issues
• Interface with network devices via CLI (Cisco, Arista, Juniper, Dell)
• Utilize Linux systems for troubleshooting and operational support
• Maintain accurate asset and inventory records using ITSM/DCIM tools
• Participate in change management, including maintenance windows and production changes
• Support transition from deployment to steady‑state operations, including documentation and process adherence
• Ensure compliance with safety, security, and operational standards
• Contribute to continuous improvement efforts, including process optimization and operational efficiency initiatives
• Participate in on‑call rotation supporting 24x7 operations

Required Skills

• Strong English communication skills (written and verbal) are required for coordination with cross‑functional teams
• Advanced hands‑on experience with data center hardware, cabling, and infrastructure environments
• Proficiency with Linux systems for troubleshooting and basic scripting tasks
• Ability to configure and troubleshoot network hardware using CLI tools
• Strong understanding of hardware lifecycle management (installation, maintenance, decommissioning)
• Experience working within structured operational processes (SOPs, change management, ticketing systems)
• Familiarity with ITSM/DCIM platforms (ServiceNow, Jira, or similar)
• Strong cable management and structured cabling skills (fiber and copper)
• Ability to read and follow technical documentation, diagrams, and procedures
• Strong problem‑solving skills and attention to detail
• Ability to multitask and adapt in a fast‑paced environment
• Strong teamwork and collaboration skills, with the ability to work independently when needed

Physical & Operational Requirements

• Ability to lift and move up to 50 lbs
• Comfortable working on feet for extended periods
• Ability to respond to on‑call incidents within defined timelines
• Ability to reliably commute to the work location
• Ability to operate material handling equipment (certification preferred)

Required Experience

• 4+ years of experience in data center operations or similar technical environments
• Proven experience with rack & stack, hardware installation, and structured cabling
• Experience provisioning and re-provisioning systems (USB, PXE, or network-based methods)
• Experience bootstrapping network devices and configuring IP addressing
• Working knowledge of Linux systems and basic scripting (e.g., Bash, Ansible)
• Experience supporting enterprise server hardware (Dell, HPE, Supermicro, or similar)
• Strong understanding of networking fundamentals (DNS, DHCP, Layer 2/3 concepts)
• Experience working within ticketing systems (Jira preferred)
• Knowledge of data center best practices (redundancy, fault tolerance, cabling standards)
• Basic understanding of electrical, HVAC, and infrastructure systems

Preferred Certifications

• CompTIA Server+, Network+, or equivalent
• ITIL Foundation
• CCNA or similar networking certification

Compensation

Estimated Pay Range: $34.03 - $49.00 USD. Exact compensation and offers of employment are dependent on circumstances of each case and will be determined based on job-related knowledge, skills, experience, licenses or certifications, and location.

Our Commitment to Diversity & Inclusion

At Milestone we strive to create a workplace that reflects the communities we serve and work with, where we all feel empowered to bring our full, authentic selves to work. We know creating a diverse and inclusive culture that champions equity and belonging is not only the right thing to do for ouremployees butis also critical to our continued success.

Milestone Technologies provides equal employment opportunity for all applicants and employees. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, gender, gender identity, marital status, age, disability, veteran status, sexual orientation, national origin, or any other category protected by applicable federal and state law, or local ordinance. Milestone also makes reasonable accommodations for disabled applicants and employees.

We welcome the unique background, culture, experiences, knowledge, innovation, self‑expression and perspectives you can bring to our global community. Our recruitment team is looking forward to meeting you.