Company OverviewMilestone 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 OverviewThe Data Center Technician III (L3) is a senior technical role responsible for overseeing complex data center operations, advanced troubleshooting, infrastructure deployments, and critical incident response during overnight operations. This position serves as the highest on-shift technical escalation point, providing leadership, mentorship, and guidance to L1 and L2 technicians while ensuring the availability, reliability, and performance of critical data center infrastructure.
The L3 Technician is expected to independently manage complex hardware, networking, storage, and infrastructure issues, lead deployment projects, coordinate maintenance activities, and collaborate with engineering teams to implement operational improvements. This role requires exceptional technical expertise, strong leadership skills, and the ability to make sound decisions in a fast-paced production environment.
Schedule- Full-Time
- Graveyard Shift: 8:00 PM - 7:00 AM
- Assigned to one of the following schedules: Sunday - Wednesday or Wednesday - Saturday
- Shift assignment based on business needs
- Weekend, holiday, on-call, and overtime work may be required to support critical operations, incident response, maintenance windows, and project deployments
How You Will Make a Difference:Advanced Data Center Operations- Serve as the primary technical lead during overnight operations.
- Oversee daily data center activities to ensure operational continuity and SLA compliance.
- Coordinate and execute complex maintenance activities and infrastructure changes.
- Lead incident response efforts during service-impacting events.
- Ensure adherence to operational standards, procedures, and best practices.
Hardware Deployment & Infrastructure Projects- Lead large-scale server, storage, GPU, and network deployment projects.
- Design and oversee rack layouts, power distribution planning, and cabling strategies.
- Validate infrastructure readiness prior to production deployment.
- Coordinate server migrations, hardware refreshes, and data center expansion initiatives.
- Perform advanced hardware installations and configuration activities.
Advanced Troubleshooting & Escalation- Troubleshoot and resolve complex hardware, storage, networking, and infrastructure issues.
- Perform root cause analysis for recurring incidents and major outages.
- Provide Tier 3 escalation support for operational and technical issues.
- Coordinate vendor support engagements and hardware warranty replacements.
- Develop corrective and preventive action plans to improve reliability and reduce recurring failures.
GPU & High-Performance Computing Support- Support GPU-based systems, AI environments, and high-density compute infrastructure.
- Diagnose GPU, accelerator, and specialized compute hardware failures.
- Coordinate large-scale hardware replacement programs and platform upgrades.
- Assist engineering teams with performance validations and infrastructure testing.
Documentation & Process Improvement- Develop and maintain operational procedures, runbooks, and troubleshooting guides.
- Ensure accurate documentation of incidents, maintenance activities, and infrastructure changes.
- Review operational metrics and identify opportunities for efficiency improvements.
- Drive process standardization and continuous improvement initiatives.
Leadership & Mentorship- Provide technical leadership for L1 and L2 Data Center Technicians.
- Mentor junior technicians on troubleshooting methodologies and operational best practices.
- Assist in onboarding, training, and development of team members.
- Act as a point of contact between operations, engineering, project management, and vendor teams.
- Support workforce planning and shift handoffs to ensure operational continuity.
Data Center Infrastructure Management- Support power, cooling, environmental monitoring, and facility-related systems.
- Perform capacity planning reviews for racks, power utilization, and infrastructure growth.
- Validate compliance with safety, security, and operational requirements.
- Assist with disaster recovery, business continuity, and critical infrastructure planning.
What You Will Need to Succeed:- 5+ years of experience supporting enterprise data center operations or critical infrastructure environments.
- Advanced experience troubleshooting server, storage, GPU, and network hardware.
- Proven experience leading deployments, migrations, and infrastructure projects.
- Strong understanding of data center power, cooling, and operational best practices.
- Experience managing high-priority incidents and major outage responses.
- Ability to work independently and make critical decisions with minimal supervision.
- Strong verbal and written communication skills.
- Demonstrated leadership and mentoring experience.
Preferred Qualifications- Experience supporting enterprise-scale environments utilizing Dell, HPE, Cisco, Supermicro, Lenovo, or equivalent platforms.
- Experience supporting AI, machine learning, GPU, or HPC infrastructure.
- Working knowledge of networking concepts including switching, routing, VLANs, and fiber optics.
- Proficiency with Linux and Windows Server administration.
- Experience using iDRAC, iLO, IPMI, Redfish, and remote management platforms.
- Experience with data center infrastructure management (DCIM) tools.
- Associate's or Bachelor's degree in Information Technology, Computer Science, Engineering, or related field.
- Industry certifications such as: CompTIA Server+ Network+ Linux+ CCNA Dell, HPE, Cisco, or vendor-specific certifications
Technical Skills- Advanced Server Hardware Diagnostics
- Enterprise Storage Systems
- GPU Infrastructure Support
- High-Performance Computing Environments
- Network Hardware Troubleshooting
- Rack & Stack Architecture
- Structured Cabling Design
- Linux & Windows Administration
- Root Cause Analysis
- Incident Management
- Asset Lifecycle Management
- Remote Management Platforms
- DCIM Tools
- Change Management
- Project Leadership
Physical Requirements- Ability to lift, carry, and install equipment weighing up to 50 pounds.
- Ability to stand, bend, climb ladders, and work in confined spaces for extended periods.
- Ability to perform hardware installations and cabling activities in production environments.
- Comfortable working overnight shifts in a mission-critical data center environment.
Desired Attributes- Strong leadership and decision-making abilities.
- Advanced troubleshooting and analytical skills.
- Ability to remain calm and effective during critical incidents.
- Excellent organizational and documentation skills.
- Strong sense of ownership and accountability.
- Ability to balance operational support, project work, and team development.
- Continuous improvement mindset with a focus on operational excellence.
This position may require access to hardware, software, technology, or technical data subject to U.S. export control laws, including the Export Administration Regulations (EAR) and, where applicable, the International Traffic in Arms Regulations (ITAR). Any offer, assignment, or continued access to controlled items is contingent upon the company's determination that the individual is legally authorized to access such items or that any required government authorization can be obtained.
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CompensationEstimated Pay Range:
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 & InclusionAt 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 our employees but is 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.
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