Description

Critical Operations Engineer II Role:

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 Swing Shift 3:00pm - 11:30pm Sunday - Thursday or Tuesday - Saturday

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:

C ompensation 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.

Posting Timeline:

This role is anticipated to be posted through 9/25/2026.

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!
• First-day medical insurance through Cigna with generous premium cost coverage.
• Dental insurance through Delta Dental.
• Vision insurance through VSP.
• Telemedicine through MDLive for Cigna.
• Healthcare and dependent care flexible spending account (FSA) plans.
• Health saving account (HSA) plans for employees participating in the High Deductible Health Plan.
• Life, AD&D, short-term disability, and long-term disability insurance fully paid by the company.
• Voluntary coverage benefits for supplemental life, critical illness, accident, and hospital insurance.
• First-day eligibility for 401(k) savings plan through Fidelity, which includes an attractive matching company contribution with a 5% company match.
• Discretionary annual bonus and equity incentive plan.
• Employee stock purchase plan (ESPP) with a 15% discount.
• 16 days of paid time off (PTO)11 paid company holidays and additional floating holidays.
• Additional paid time off for school events, elder care, volunteering, bereavement, jury duty, voting, parental leave and disability leave.
• Free parking or a company contribution toward a public transit pass.

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