Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 29, 2024 relating to the 2023 financial statements of IEA Energy Services, LLC appearing in the Annual Report on Form 10-K of MasTec, Inc. for the year ended December 31, 2024. We also consent to the reference to us under the caption “Experts” in the Prospectus.
/s/ Deloitte & Touche LLP
Indianapolis, Indiana
February 28, 2025
