Lead System Specialist - Data Center

Ascent, now part of Wesco, is a leading provider of mission-critical facility solutions across North America. With deep expertise in data center development, engineering, and operations, Ascent supports thousands of sites for top-tier clients, delivering reliable performance and innovative technology. As part of the Wesco family, Ascent continues to set the standard for safety, service, and operational excellence in the critical infrastructure sector.

The Lead Systems Specialist is responsible for testing, commissioning, and diagnosing Building Automation Systems (BAS), Electrical Power Monitoring Systems (EPMS), and related technologies in data center environments. This role involves configuring network communications, analyzing system performance, and collaborating with internal teams and clients to ensure optimal system functionality. The specialist also leads documentation efforts, supports troubleshooting, and adherence to safety protocols are essential to success in this position.

Responsibilities:

• Test, commission, and diagnose BAS systems, EPMS systems, including but not limited to DCIM, Electrical, HVAC and other systems.

• Analyze and optimize communication issues with BMS, EPMS and DCIM systems.

• Assist in the design and configuration of BAS and EPMS systems as defined by the contract documentation.

• Lead configuration of TCP/IP networks and RS-485 communications on controls devices as needed.

• Complete and track project documentation, build trend logs, and perform data entry.

• Compile project as-builts including updated markups and closeout documentation.

• Work with facility technicians and building operators to implement changes in operating data center environments.

• Act as SME for client sites.

• Perform work on data center sites and follow required safety measures.

• Lead coordination efforts with vendors, clients, project managers, and internal and external teams.

• Work according to project timelines and required processes.

• Additional duties as assigned.

Qualifications :

• 4 or more years as a Data Center Technician, Controls Technician or related experience required.

• Knowledge of Building Management Systems (BMS) and of BACNET/LON/MODBUS protocols.

• Knowledge of TCP/IP network and RS-485 network configuration.

• Keep project management apprised of concerns and issues. Track and record job progress and keep project personnel informed on progress upon arrival and before leaving the worksite.

• Complete paperwork on-time including timesheets, posting of work orders, on-site documentation, and project status reports.

• Must have a disciplined approach to managing task assignments. People skills, good judgment, and flexibility are critical to this position.

• General knowledge of safe working practices (e.g., familiar with proper tool safety, eye protection, ladder safety, etc.)

• Proficiency with basic operations of Windows 10 and standard office environment software is necessary.

• Able to read installation drawings (Visio drawings/spreadsheets).

• Able to perform all essential job functions, including walking, standing, bending, stooping, climbing, lifting up to 50 lbs. throughout the day, and manual dexterity, with or without reasonable accommodation.

• Must be a self-starter and willing to learn new programs and applications

• Must possess strong communication skills.

• Ability to work in a team environment.

• Able to travel as needed up to 50% based on project needs.

• Knowledge of DDC, PLC, or similar Ladder-Logic is preferred.

• Proficient in MS Office, Outlook and Viso preferred.

The data center work environment is a highly secure, physically demanding, and structured operation, characterized by its loud, controlled temperature conditions and 24/7/365 uptime. The environment demands a high attention to detail and strong problem-solving skills to manage and troubleshoot critical equipment during regular operation and in emergency situations. Lifting up to 50 lbs, regular bending, stooping, climbing and long periods of walking / standing will be required

At Wesco, we build, connect, power and protect the world. As a leading provider of business-to-business distribution, logistics services and supply chain solutions, we create a world that you can depend on. ?

Our Company's greatest asset is our people. Wesco is committed to fostering a workplace where every individual is respected, valued, and empowered to succeed. We promote a culture that is grounded in teamwork and respect. With a workforce of over 20,000 people worldwide, we embrace the unique perspectives each person brings. Through comprehensive benefits ( and active community engagement, we create an environment where every team member has the opportunity to thrive. ?

Learn more about Working at Wesco here ( and apply online today!?

Founded in 1922 and headquartered in Pittsburgh, Wesco is a publicly traded (NYSE: WCC) FORTUNE 500® company.?

Wesco International, Inc., including its subsidiaries and affiliates ("Wesco") provides equal employment opportunities to all employees and applicants for employment. Employment decisions are made without regard to race, religion, color, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, or other characteristics protected by law. US applicants only, we are an Equal Opportunity Employer.?

Los Angeles Unincorporated County Candidates Only: Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act.

This posting is for a current, active vacancy intended for immediate hire.