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Infographic showing various Operations Engineer job openings at Coresite in the United States as of August 2026, with employment types broken down into 6% Internship, 81% Full Time, and 13% Nights. Highlights an 91% Physical, and 9% Hybrid job distribution.

Critical Operations Engineer II (SV7) (Day)

Coresite

Santa Clara, CA • On-site

$50 - $55/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

Job description

Description
About CoreSite:
CoreSite is a leading colocation data center company providing the space, power, cooling and connectivity that businesses rely on to operate and grow. Our data centers bring dozens of organizations together under one roof, supporting the technology and services that keep our world connected. Our people are at the heart of everything we do, bringing the expertise, ideas and commitment that power our business and help our customers succeed. With a culture built on collaboration, ownership, and operational excellence, CoreSite is a place to make an impact.
Critical Operations Engineer II:
As a member of the Data Center Operations team, the Critical Operations Engineer II (COE II) is responsible for operating, maintaining, and troubleshooting critical data center electrical, mechanical, cooling, and fire/life safety systems to ensure the highest levels of reliability and uptime. The COE II applies advanced knowledge of critical facility systems, including understanding system interdependencies and the operational impact changes to one system may have on others. COE II supports customer infrastructure projects and collaborates with technicians, vendors, and customers to drive operational excellence, resolve issues efficiently, and continuously improve processes and performance. In addition, the COE II provides technical guidance, mentorship, and on-the-job training to team members while promoting adherence to established operational procedures, safety standards, and best practices. The position also performs other duties and responsibilities as assigned.
  • We are currently hiring for the Day Shift 7:00am - 3:30pm Monday - Friday.

What You'll Do:
Critical Facilities Operations:
  • Operate, monitor, maintain, and troubleshoot mission-critical electrical, mechanical, and life safety systems to ensure uptime and reliability
  • Perform facility inspections, respond to abnormal conditions, and document findings
  • Track, trend, and analyze system performance; utilize CMMS to manage work orders and maintenance

Electrical Systems:
  • Support electrical distribution from utility and generator switchgear through UPS and customer load
  • Maintain and coordinate work on generators, switchgear, UPS, STS, ATS, PDUs, transformers, and power circuits

Mechanical Systems:
  • Operate and maintain chilled water, HVAC, CRAC/CRAH, humidification, and central plant systems
  • Support cooling optimization, pumps, VFDs, cooling towers, heat exchangers, and water treatment

Fire Life Safety & Infrastructure:
  • Monitor wet sprinkler and double-interlock pre-action systems and associated detection devices
  • Support customer infrastructure projects including cage builds, rack and stack, overhead installs, power, and cabling

Collaboration & Customer Support:
  • Partner with senior technicians, contractors, and vendors on maintenance, upgrades, and expansions
  • Provide advanced remote hands, manage trouble tickets, incidents, and customer requests
  • Lead administrative activities across CMMS, ticketing, monitoring, and other operational platforms; maintain accurate documentation, provide timely updates, and coordinate with internal teams, vendors, and customers
  • Provide technical guidance and operational leadership to less experienced team members during routine operations, maintenance activities, and incident response
  • Contribute to procedures, documentation, and continuous improvement while promoting Operational Excellence

Knowledge, Skills and Abilities:
Required:
  • Strong troubleshooting and problem-solving skills with the ability to apply technical knowledge effectively
  • Self-motivated, dependable, and accountable with a strong work ethic
  • Team-oriented mindset with the ability to collaborate across operations, engineering, and customer teams
  • Commitment to safety, quality, and operational excellence
  • Ability to work in a fast-paced, high-availability environment
  • Clear written and verbal communication skills
  • Strong understanding of data center electrical and mechanical infrastructure
  • Advanced understanding of the interaction between electrical, mechanical, UPS, generator, and BAS/BMS systems and the ability to assess operational impacts across interconnected systems
  • Working knowledge of NEC, NFPA 70E, NFPA 72, NFPA 25, OSHA, and fire life safety requirements
  • Comfortable using hand tools, electrical test equipment, and standard computer applications

Preferred Experience:
  • Electrical distribution systems including generators, switchgear, UPS, STS, ATS, PDUs, and transformers
  • Mechanical systems including chilled water, HVAC, CRAC/CRAH, humidification, pumps, VFDs, cooling towers, and heat exchangers
  • Fire protection systems including wet sprinkler and double-interlock pre-action systems
  • BMS, PLC controls, and integrated monitoring systems
  • Fiber and copper cabling installation, termination, and testing
  • Proficiency with fiber optics, structured cabling, and telecommunications infrastructure.
  • Working knowledge of basic security systems, including access control, CCTV, and facility monitoring systems

Education/Experience:
  • High School Diploma or greater
  • 2-5 years of experience in the data center industry
  • Proven hands-on experience with large commercial or industrial electrical and mechanical systems
  • Strong fit for candidates with experience in the military with HVAC or Electrical training

Physical Demands:
The physical demands described here are representative of those that must be met by an employee to successfully perform the job's essential functions. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the job's duties, the employee is required to stand; walk, sit, use hands to handle or feel objects, reach with hands and arms, climb stairs, balance, stoop or kneel, talk, and hear. The employee must occasionally lift and/or move up to 50 pounds. The position also demands flexibility to work in a fast-paced, high-stress environment with changing priorities, including evenings, weekends, holidays, and on-call hours as needed. Must pass background check, employment verification, and other pre-employment requirements.
Compensation: Compensation for this role includes a base salary between $50.00/hr and $55.00/hr. This role is also eligible for an annual bonus and equity, based upon individual and company performance.
Job Post Timeline: This position is expected to be open for applications for 30 days.
Benefits: Not only does CoreSite have a fun, team-focused work environment, but we also offer great benefits to all employees regularly scheduled to work more than 20 hours a week!
  • Medical coverage starting day one, plus dental, vision, telemedicine, HSA/FSA options.
  • 401(k) with a 5% company match, plus bonus and equity opportunities.
  • Employee Stock Purchase Plan (ESPP).
  • Starting 16 days of PTO, 11 paid company holidays, floating holidays and additional paid time for volunteering, family care, parental leave and other life events.
  • Free parking or public transportation support.

Additional Perks:
  • Up to $800 annually in wellness reimbursements and up to $450 in wellness incentives.
  • $100 monthly technology stipend.
  • Up to $5,250 annually in educational reimbursement plus LinkedIn Learning.
  • Up to $5,000 annually in charitable donation matching.
  • Financial coaching and student loan support.
  • Family planning, mental health, and caregiving support.
  • Pet insurance, employee discounts and cash back offers.

General Statements:
  • Applicants must be currently authorized to work in the United States on a full-time basis. The employer will not sponsor applicants for work visas.
  • Please note that all offers of employment are contingent upon the successful completion of a background check and, where permitted by law, a 5-panel drug test conducted after the offer letter is signed, which will screen for THC, opiates, PCP, cocaine, and amphetamines. Thank you for your understanding and cooperation.

Applicant Privacy Notice:
  • CoreSite is committed to protecting the privacy and security of personal information submitted by applicants. The California Consumer Privacy Act (CCPA) requires us to provide you information about our personal information handling practices. As a result, we're providing this Privacy Notice that describes how we collect, use, share, and update personal information from individuals who wish to be considered for employment with CoreSite. To read the Applicant Privacy Notice, please go to https://www.coresite.com/applicant-privacy-notice .
  • Unauthorized reproduction or distribution of this job posting on external sites is prohibited without prior written consent from CoreSite. We are not responsible for any postings or offers not originating from our official channels or approved partners.

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