About Coresite

At CoreSite, 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 CoreSite, 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.

At CoreSite not only are we Committed to Excellence, but we also Build Connections, Own It, Do the Right Thing, Have Fun, and Win as a Team. Join us and be part of a team that is shaping the future of digital infrastructure while nurturing your professional growth and success.

Critical Operations Engineer I Role:

The Data Center Technician III assists in the operational integrity, security, and regulatory compliance of the data center. The technician is to have a strong knowledge of telecommunications, mechanical, electrical, and life safety systems as well as data center operating procedures.

We are currently hiring for the Night Shift: Sunday-Thursday

A Tier III technician will be responsible for day to day operations of the data center including facilities and telecommunication infrastructure. The responsibilities are wide ranging and multi-disciplinary.

Mechanical responsibilities will include working on chilled water systems and components, HVAC systems such as roof top units, CRAC/CRAH units, humidification systems, and central plant operations.

Electrical responsibilities will include working on electrical/critical power distribution from the Utility/Generator main switchgear through the UPS systems out to the customer load including power circuit installations.

Fire Life Safety responsibilities will include monitoring wet sprinkler systems and pre-action sprinkler systems as well as their associated detection devices.

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

Responsibilities will include customer infrastructure build-outs (cage builds, overhead installations, rack and stack), cable termination and testing, maintenance work, monitoring and responding to mechanical, electrical, fire protection, telecom, and security systems. These systems include, transformers, PLC’s, generators, switchgear, UPS systems, STS’, ATS’ PDU’s, chilled water systems, CRAC/CRAH, wet sprinkler systems and pre-action sprinkler, network equipment, transmission media, cabling infrastructure, security hardware, and CCTV.

Duties:

Completion of CoreSite’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 the senior technicians to track and complete an aggressive preventive and predicative 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 CoreSite 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 the 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 is operating at its highest efficiency.
Trouble Ticket and Remote Hands Management
Fiber and Copper cabling terminations
Circuit path creation and verification
Coordinate and oversee power installations and upgrades
Work Order Completion Process
Infrastructure projects (Internal/Customer)

Cage and Cabinet Build-OutsOverhead InstallationsRack and Stack

Use developed procedures to solve problems
Assist in asset and consumable inventory management.
Responsible for the tracking and proper labeling of all equipment per established procedures.
Incident escalation, response, and follow-up report writing
Manage building service requests through resolution.
Perform and complete work orders and customer service tickets in a timely manner
Serve in a technical writing capacity in regard to the derivation of procedures for preventative or corrective maintenance activities.
Adhere to and promote CoreSite’s Principles of Operational Excellence
Provide applied mechanical and integrated control expertise for the entire data center.

This position is required to interact with CoreSite personnel, vendors, partners, contractors and clients.

Knowledge

Firm and proven understanding of the electrical and mechanical systems used in a data center environment.
Firm and proven understanding of fiber optics / cabling infrastructure and industry best practices.
Firm and proven understanding of Proficient knowledge of NEC, NFPA 70E, NFPA 72, NFPA 25, and compliance issues as well as building codes in regard to fire life safety
Proficient knowledge in industrial safety best practices (i.e. lockout/tag out, arc flash protection, OSHA and state regulations)
Proficient and experienced with data trending / tracking and analysis and ability to rapidly learn and use PC based, integrated critical monitoring systems

Skills

Minimum of 2 years experience installing, maintaining, and/or troubleshooting large commercial and industrial systems including:
- Chilled Water Systems
- Large Centrifugal Chillers
- Cooling Towers
- Heat Exchangers
- Water Treatment Systems
- VFD’s and Pumps
- HVAC equipment
- CRAC/CRAH’s
- Humidification Systems
- BMS and PLC Controls
- Emergency Standby Diesel Generator Systems
- Fuel/Oil systems,
- 480/277 and 208/120 electrical generation and distribution
- Static UPS Systems
- Double Interlock Pre-Action Systems
- Communications cabling
- Cabling infrastructure
- Network infrastructure and hardware
Experience laying out, pulling, dressing, and terminating fiber and copper communications cabling.
Experience diagnosing and repairing IT hardware, servers, network switches, structured cabling.
Proven leadership skills
Excellent communication skills, both written and oral
Suite (Word, Excel, PowerPoint, Project)

Abilities

Ability to communicate effectively with customers and internal staff.
Ability to coordinate, supervise and communicate with contractors who perform maintenance or upgrade work on these systems.
Ability to learn quickly and address issues as they arise during normal working hours or after hours.
Ability to operate in and promote a rigorous process-driven team environment
Ability to logically analyze and solve problems
Ability to effectively multi-task multiple projects
Operate Hand and Machine Tools (hammer, drill, saw, etc.)
Operate electrical tools such as a multi-meter or infrared camera

Education/Experience

High School Diploma or greater
2-5 years of experience in the data center industry
Be able to pass an extensive background check, including criminal history, personal references, employment and education verification, and Department of Motor Vehicle and credit check.

Physical Demands and Special Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Ability to stand 1/3 – 2/3 of the time
Ability to walk 1/3 – 2/3 of the time
Ability to sit 1/3 – 2/3 of the time
Ability to climb and balance 1/3 – 2/3 of the time
Ability to stoop, kneel, crouch and crawl 1/3 – 2/3 of the time
Ability to reach with hands & arms 1/3 – 2/3 of the time
Ability to smell, talk & hear
Ability to use hands to type, handle & feel
Ability to reach with hands and arms
Ability to see at close and distance ranges and the ability to see color
Must be comfortable working in a high stress, fast paced environment with shifting priorities
Must be willing to work outside normal business hours, including weekends, late nights, holidays, and on-call support
Ability to lift up to 50 pounds 1/3 of the time

Compensation:

Compensation for this role includes a base salary between $34.50/hr and $40.00/hr. This role is also eligible for an annual bonus and equity, based upon individual and company performance.

Posting Timeline:

This position is expected to be posted through April 4, 2026.

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

Wellness Reimbursement Program: Yearly stipend of $500 for employees and $300 for dependents, up to $800 total for the family
Wellness Incentive Program: Participate in various wellbeing activities to earn up to $450 per year in cash incentives
Technology Stipend: $100 monthly stipend.
Educational Reimbursement Program: Work-related learning and development with reimbursement on qualifying degree programs, up to $5,250 per year
Giving Back: Charitable donation matches up to $5,000 per year and nominate organizations for Company Foundation grants
Financial Management: Access to financial coaching, digital tools and services to manage and pay student loan debt quicker
Pet Insurance: Keep your furry friends healthy and happy
Family Planning: Benefits and services related to fertility, pregnancy, menopause, adoption and surrogacy
Employee Assistance Program: 24x7 service to support family, work, money, health, legal and life challenges
Counseling and Caregiving Programs: Including access to mental health services, licensed counselors, and caregiving tools including membership for finding care.
Referral Bonus: Receive a $3,000 cash bonus if referred candidate is hired and meets eligibility requirements
Discounts: Discounts, cash back offers and perks on thousands of brands
LinkedIn Learning Membership: Support your development when accessing LinkedIn’s online library of courses and videos

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.

CoreSite

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