Data Center Technician L3 - Hands-On Infra & Escalations

Milestone Technologies, Inc.; Sunnyvale (CA); Hybrid; USD 85,000 - 110,000; Full time

Job summary

Covestic Inc is seeking a Data Center Technician L3 in Sunnyvale, CA to support deployment and ongoing operations in a high-performance enterprise data center. You will own complex tasks, serve as the primary technical escalation point, and contribute to hardware installation, cabling, and infrastructure bring-up across deployment and steady-state phases.

You will collaborate with engineers and site leadership, utilize Linux for troubleshooting, and operate in a fast-paced environment with

Qualifications

• 4+ years of experience in data center operations or similar technical environments.
• 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.
• Linux knowledge and basic scripting (Bash, Ansible).
• Experience with enterprise server hardware (Dell, HPE, Supermicro).
• Strong networking fundamentals (DNS, DHCP, Layer 2/3).
• Experience with ticketing systems (Jira preferred).
• Knowledge of data center best practices (redundancy, fault tolerance, cabling standards).
• Basic understanding of electrical, HVAC, and infrastructure systems.

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
• Serve as 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 asset and inventory records using ITSM/DCIM tools
• Participate in change management and production changes
• Support transition from deployment to steady-state operations
• Ensure compliance with safety, security, and operational standards
• Contribute to continuous improvement and process optimization
• Participate in on-call rotation supporting 24x7 operations

Skills

Data center hardware

Linux troubleshooting

Network CLI

Documentation reading

Structured processes

ITSM/DCIM familiarity

Cable management

Teamwork

On-call readiness

Tools

Jira

ServiceNow

Ansible

CLI tooling

Job description

Covestic Inc is seeking a Data Center Technician L3 in Sunnyvale, CA to support deployment and ongoing operations in a high-performance enterprise data center. You will own complex tasks, serve as the primary technical escalation point, and contribute to hardware installation, cabling, and infrastructure bring-up across deployment and steady-state phases.

You will collaborate with engineers and site leadership, utilize Linux for troubleshooting, and operate in a fast-paced environment with