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Critical Infrastructure Engineer

Zayo Group
life insurance, vision insurance, parental leave, paid time off, 401(k)
United States, Colorado, Denver
1401 Wynkoop Street (Show on map)
Nov 25, 2025

Company Description

Zayo provides mission-critical bandwidth to the world's most impactful companies, fueling the innovations that are transforming our society. Zayo's 141,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. Zayo's communications infrastructure solutions include dark fiber, private data networks, wavelengths, Ethernet, and dedicated Internet access. Zayo serves wireless and wireline carriers, media, tech, content, finance, healthcare and other large enterprises.

This position requires significant experience in common systems engineering standards (RBOC,
AT&T, or major telecommunications provider). The applicant will design and specify material for
AC and DC power equipment including commercial AC power building entries, switchboards,
transformers, generators, UPS backup systems, rectifiers, power distribution, batteries,
grounding systems, fire control systems, HVAC, and additional materials required to support
installation. Position also requires maintenance of central office records, including updates to
floor plans and front equipment drawings to reflect installations and completing capacity
management reports for all AC and DC power equipment.

Responsibilities
* Manage Contracted Maintenance vendors for callout repairs, and quoted service repairs
on CI systems to include invoicing and quoted PR submittals.
* Develop of best operating practices and standards.
* Write Method of Procedures (MOPs) for all CI equipment repairs and augments.
* Ensure all maintenance activities are performed in accordance with approved MOPs.
* Evaluate vendor/contractor field service reports describing all activities (preventive
maintenance, repairs, etc.) performed on the CI equipment.
* Resolve operational deficiencies discovered on Preventive Maintenance Inspections
(PMI) and on Contractor PMs.
* Assist Field Operations and NCC/NOC technicians with Operation Support issues, that
may require vendor or manufacturer support.
* Develop reliability reports to assist in identifying areas of concern that could develop
into future problems.
* Subject Matter Expert on CI equipment issues for all PG's and advises them on solutions
for technical problems or barriers.
* Manage all CI augment projects (CapEx/OpEx) to affect break/fix repairs.
* Environmental Compliance and to ensure all permitting is completed annually.
* CI Equipment inventory accuracy and Data Integrity in SF and M6.

Education & Experience
* Bachelor's Degree in Electrical, Mechanical, and or Civil Engineering or equivalent
experience.
* Minimum of five (5) years in a telecommunications of all Critical Infrastructure (CI) equipment: AC power distribution, buildings, grounding, fire systems, generators, ATS/MTS, Uninterruptible Power Systems (UPS), DC Power Plant Systems, and Cooling systems to ensure operational integrity, improve efficiency and reduce operational costs
* Experience in Microsoft Office, SalesForce, and Database applications
* Project Management experience required

Nothing in this job description restricts management's right to assign or reassign duties and
responsibilities to this job at any time

Estimated base salary range: $77,100 - $118,600 USD/annually.

The base pay range shown is a guideline and reasonable estimate for this role. It takes into account the wide variety of factors that are considered in making compensation decisions. Actual compensation offered may vary from the posted range based upon geographic location, work experience, skill level, certifications, and other business and organizational needs. Non- sales roles may be eligible to participate in a discretionary annual incentive plan. Sales roles may be eligible to participate in a sales incentive plan.

Additionally, this position may be eligible for certain benefits, such as health insurance, life insurance, disability retirement plans, paid time off.

The posting will be active for a minimum of 3 days. The active posting will continue to extend by 3 days until the position is filled.

Benefits, Rewards & Wellness

  • Excellent Health, Dental & Vision Insurance

  • Retirement 401(k) Savings Plan

  • Generous paid time off policy including paid parental leave

Zayo provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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