Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference of our firm under the caption “Experts” in the Registration Statement (Post-Effective Amendment No. 1 to Form S-1 on Form S-3 No. 333-236468) and related Prospectus of PAE Incorporated for the registration of 66,246,359 Shares of its Class A Common Stock and to the incorporation by reference therein of our reports dated March 16, 2021, with respect to the consolidated financial statements of PAE Incorporated, and to the effectiveness of internal control over financial reporting of PAE Incorporated, included in its Annual Report (Form 10-K) for the year ended December 31, 2020, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Tysons, VA
March 16, 2021
