Critical Operations Engineer ; Swing; LA

About Core Site

At Core Site, we empower a more connected future through high‑performance data centers and interconnection solutions. Recognized as a trusted partner in digital transformation, our strategically located facilities and innovative services enable businesses to connect, collaborate, and grow in an ever‑evolving technological landscape.

Our culture is defined by operational excellence and a relentless drive for innovation. We foster a collaborative environment where every team member is valued, wins are celebrated as a team, and ownership is part of our DNA. At Core Site we’re not just building state‑of‑the‑art infrastructure—we’re creating a community of forward‑thinkers committed to solving complex challenges and delivering exceptional customer experiences.

We are committed to excellence, building connections, owning it, doing the right thing, having fun, and winning as a team. Join us and be part of a team that is shaping the future of digital infrastructure while fostering professional growth.

This role assists in the operational integrity, security, and regulatory compliance of the data center. The engineer will have strong knowledge of telecommunications, mechanical, electrical, and life safety systems, as well as data center operating procedures.

Shift: Second Shift 2:00 pm - 10:30 pm, Sunday – Thursday.

As a Tier III technician, you will be responsible for day‑to‑day operations of the data center, including facilities and telecommunication infrastructure. Responsibilities are wide‑ranging and multidisciplinary.

Mechanical responsibilities – working on chilled water systems and components, HVAC systems such as rooftop units, CRAC/CRAH units, humidification systems, and central plant operations.

Electrical responsibilities – working on electrical/critical power distribution from the Utility/Generator main switch gear through the UPS systems out to the customer load, including power circuit installations.

Fire Life Safety responsibilities – monitoring wet sprinkler systems and pre‑action sprinkler systems and their associated detection devices.

Telecommunications responsibilities – cross‑connect installations, cabling infrastructure management, advanced remote hands support, and customer cage and cabinet build‑outs.

Additional responsibilities include customer infrastructure build‑outs (cage builds, overhead installations, rack and stack), cable termination and testing, maintenance work, and monitoring and responding to mechanical, electrical, fire protection, telecom, and security systems.

• Completion of Core Site’s Data Center Operations Qualification Program to the tier level at which you are hired within the first nine (9) months of employment.
• Operate, monitor, maintain, and respond to abnormal conditions in facilities systems. Areas include:
  Electrical, Mechanical, Communications, Building Monitoring and Control.
• Tracking and trending operational characteristics.
• Provide feedback to management on the effectiveness of existing standards and processes.
• Works with contractors and consultants for all system expansions, corrections and upgrades.
• Work with senior technicians to track and complete an aggressive preventive and predictive maintenance schedule.
• Ensure data center operates at maximum operational efficiency, including analyzing existing operating conditions, recommending new technologies, and improving overall efficiency and cost reduction as per Core Site guidelines. Ideal candidate will have a demonstrated technical ability and innovative thinking cross‑functionally, including integrated systems and IT.
• Manage systems to avoid unplanned, customer‑impacting outages.
• Navigate and utilize a CMMS system.
• Provide day‑to‑day exceptional customer service and support.
• Maintain and complete regular facility and security tours documenting and responding to found issues.
• Assist with database management of maintenance discrepancies and work with to resolve site issues based on agreed upon priorities.
• Follow direction from data center management regarding the data floor and back of house mechanical loading capacity thereby ensuring that the cooling system…