How to bid on Worldwide Environmental Engineering Services for the Department of State

What the Department of State is buying

The U.S. Department of State is seeking one qualified environmental engineering firm or joint venture to provide comprehensive environmental engineering services. These services will be performed at U.S. diplomatic facilities located worldwide. This contract will be structured as an indefinite-delivery, indefinite-quantity (IDIQ) agreement.

This is an opportunity for firms with licensed professionals in environmental engineering to secure a significant contract with a federal agency, providing services globally.

Key dates and what happens at the deadline

This solicitation was published on August 07, 2026. The deadline for submissions is September 01, 2026, at 2:00 PM ET. All proposals must be received by this time.

Late submissions are generally not accepted for federal contracts, so it is crucial to submit your response well in advance of the deadline.

Who this opportunity suits

This opportunity is best suited for established environmental engineering firms or joint ventures. The requirement for licensed professionals indicates a need for highly qualified and experienced teams.

Firms with a track record of providing comprehensive environmental engineering services, especially those with international experience or the capacity to operate globally, will be strong candidates. This falls under the professional services category.

How to respond

To access the solicitation documents, you will need to click the “View original source” link. If the first click takes you to the portal's homepage, click the link again to go directly to the bid.

You may need to create a free account on the portal to view all the attached documents, including the submission requirements and Amendment A01. Amendment A01 contains important changes highlighted in red font, which you must review carefully.

Tips for preparing a competitive response

Carefully read all attached documents, including the main solicitation and Amendment A01. Pay close attention to the submission requirements and any changes noted in the amendment. Ensure your proposal directly addresses all specified criteria.

Highlight your firm's experience with similar projects, especially those involving international locations or complex environmental engineering challenges. Emphasize the qualifications and licenses of your key personnel. For an IDIQ contract, demonstrating broad capabilities and a robust team is often beneficial.

Organize your proposal clearly and concisely. Use plain language and avoid jargon where possible. Proofread thoroughly to eliminate any errors or inconsistencies.