This Government Contract opportunity from Government of Canada was posted on May 26, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Sub-Consultant Technical Specialists

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International

Submission Closed06/18/2026, 07:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 541330

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DIBBS

Quality Assurance and Inspection ServicesThe Department of Defense Electrical Devices Division is seeking a subcontractor to provide quality assurance and inspection services for switch assembly lots. The primary objective of this contract is to ensure zero non-conformances through the implementation of independent quality inspections utilizing MIL-STD-1916 or ASQ H1331 zero-based sampling plans. This opportunity is categorized under NAICS code 541330 and will be performed at Robins Air Force Base. The solicitation was posted on August 25, 2026, with a response deadline of September 8, 2026.

ELECTRICAL DEVICES DIV

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Quality Assurance & Inspection Services (Third-Party)This subcontract opportunity with the Department of Defense ASC Commodities Division is for third-party quality assurance and inspection services. The selected provider will perform independent quality inspections utilizing zero-based sampling plans, specifically following MIL-STD-1916 or ASQ H1331, to ensure all items conform to technical drawings, material specifications, and established defect classifications. The requirement is designated as a total small business set-aside under FAR 19.5 and falls under NAICS code 541330. Interested parties must submit their responses by September 1, 2026, following the posting date of August 25, 2026.

ASC COMMODITIES DIVISION

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Quality Assurance and Government Compliance SupportThe Quality Assurance and Government Compliance Support subcontract, issued by the Department of Defense for the Maritime Supply Chain, focuses on providing comprehensive quality assurance, documentation, and compliance oversight. Key responsibilities include ESA coordination, hazardous material labeling, and ensuring strict adherence to CMMC Level 2 standards. This opportunity is categorized under NAICS code 541330 and will be performed at Robins Air Force Base. Interested parties must respond by September 8, 2026, following the posting date of August 25, 2026.

MARITIME SUPPLY CHAIN

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CCTV Pipe Inspection and AssessmentThis subcontract opportunity with Kiewit Infrastructure West Co. involves the closed-circuit television inspection of installed pipelines to ensure quality assurance, identify defects, and provide compliance reporting. The project falls under NAICS code 541330 and is specifically designated as a set-aside for various small business categories, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, and Veteran-Owned Small Businesses. The solicitation was posted on August 25, 2026, with a response deadline of September 15, 2026. Interested parties must meet the specified small business requirements to be eligible for this subcontracting role in pipeline assessment and inspection.

Kiewit Infrastructure West Co.

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SEEKING QUALIFIED SUBCONSULTANTS IN RIVERSIDE COUNTY/SOCAL TO SUPPORT WELL REPLACEMENT PROJECT WITH WATER DISTRICT

Solicitation # seeking-qualified-subconsultants-riverside-countysocal-support-well-replacement-project-water

GHD Inc. is soliciting qualified subconsultants to support the Corydon Well Replacement Design Project for the Elsinore Valley Municipal Water District in Riverside County, California. The project encompasses a variety of professional services, including engineering, environmental assessments, surveying, geotechnical analysis, permitting, public outreach, and utility location. This opportunity is specifically targeted toward Disadvantaged Business Enterprises, Small Business Enterprises, Women-Owned Business Enterprises, and Minority-Owned Business Enterprises. Interested firms must contact Charlie Brown at charles.brown@ghd.com to submit a qualifications package and request solicitation documents. While initial contact is requested by August 7, 2026, the final deadline to receive solicitation documents is 5pm PST on Friday, August 14, 2026, with a general response deadline of September 15, 2026. Relevant NAICS codes for this engagement include 541330, 237110, and 541490, among others.

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Corydon Well Replacement (C2305)

Solicitation # C2305

Ardurra Group, Inc. is soliciting proposals for the Corydon Well Replacement Project (Work Order C2305) on behalf of the Elsinore Valley Municipal Water District in California. This professional services agreement seeks qualified DBE firms to provide comprehensive design, bidding support, and engineering services during construction. The scope is divided into two phases: Phase 1 focuses on civil site design, technical specifications, and construction management for the drilling of a new well and the abandonment of the existing one; Phase 2 covers architectural, civil, mechanical, structural, electrical, and I&C design drawings, as well as equipping, testing, and commissioning. Technical requirements specify the use of 24-inch diameter stainless steel Ful-Flo louvered well screens and compliance with AWWA potable water well construction standards, Riverside County, and California State Water Resources Control Board regulations. The contract is set aside for small and disadvantaged businesses, including DBE, WOSB, and SDVOSB entities. Award selection is based on the most advantageous proposal, considering both price and other factors. Key requirements include the provision of performance and payment bonds for 100 percent of the contract price, a bid guarantee of five percent, and adherence to California prevailing wage laws. Consultants must maintain active SAM registration and provide a project manager as the primary point of contact. Payment is processed via monthly itemized statements, with a 45-day review and payment cycle. Proposals must be submitted via PlanetBids by September 1, 2026, and must include a cover letter, a detailed project approach, staff resumes, a five-year representative project list, and three professional references.

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Corydon Well Replacement Project - Professional Design, Bidding Support, Engineering Services During Construction

Solicitation # corydon-well-replacement-project-professional-design-bidding-support-engineering-services-during-0

The Corydon Well Replacement Project, identified by contract number C2305, involves professional design, bidding support, and engineering services during construction for the Elsinore Valley Municipal Water District. Located in Lake Elsinore, Riverside, California, the project is managed by AKM Consulting Engineers. The solicitation was posted on August 17, 2026, with a response deadline of September 1, 2026. This opportunity falls under NAICS code 541330 and is open to Disadvantaged Business Enterprises through the Department of Transportation. Primary contact for the project is Katie Neubauer.

AKM Consulting Engineers

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Building Electrification & Decarbonization DesignSeattle Public Utilities is seeking a subcontractor for the Building Electrification and Decarbonization Design project. The primary objective of this contract is to design all-electric retrofits for municipal buildings to completely eliminate the use of fossil fuels. Key technical requirements include performing load calculations, determining heat pump specifications, planning electrical upgrades, and integrating renewable energy sources. The opportunity was posted on August 25, 2026, with a response deadline of September 15, 2026. This subcontract falls under NAICS code 541330, which pertains to engineering services. Interested parties can find further details through the Seattle procurement portal.

Seattle Public Utilities

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On-Call Electrical Engineering Support Services RE-BID

Solicitation # 26-114-S Re-bid

Seattle Public Utilities is seeking a single qualified consultant for a five-year on-call contract to provide comprehensive electrical engineering support services. The contract is estimated to be valued between 10 million and 12 million dollars. The primary objective is to ensure electrical safety and operational resilience through arc flash and electrical system assessments, short-circuit and coordination studies, thermographic inspections, and the creation of updated one-line diagrams and ETAP models. Additionally, the consultant will provide technical expertise to support building electrification, decarbonization efforts to eliminate fossil-fuel reliance, and the development of electric fleet infrastructure. The procurement process requires a detailed submission including a mandatory consultant questionnaire, a WMBE Inclusion Plan to meet social equity goals, and adherence to the Seattle Ethics Code. Selected consultants must meet stringent insurance requirements covering professional liability, pollution, cyber, and general liability. The contract will be managed through a structured process of work assignments and deliverables, aligning with the Seattle Public Utilities 2025 to 2030 Strategic Business Plan to improve facility performance and environmental stewardship.

Seattle Public Utilities

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Wastewater Treatment Plants Influent Improvements Alternative Analyses

Solicitation # 20260825060

The City of Roseville in California is seeking proposals for the Wastewater Treatment Plants Influent Improvements Alternative Analyses project. This solicitation, identified as RFP 08-183, falls under NAICS code 541330 and is focused on engineering services to analyze alternative improvements for wastewater influent systems. Interested parties must submit their responses by the deadline of October 6, 2026. The project will be performed in Roseville, California, and further details regarding the submission process can be accessed through the BidAmerica portal.

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Clay County Pavement Assessment

Solicitation # 25/26-108

The Clay County Board of County Commissioners is soliciting proposals under solicitation number 25/26-108 for qualified firms to perform a comprehensive Pavement Condition Survey and develop a Pavement Management Program for approximately 831 centerline miles of paved roadways. The objective is to utilize industry-standard data collection and engineering practices to assess current road conditions, prioritize maintenance and rehabilitation projects, and optimize funding to extend the service life of county assets. The response deadline for this solicitation is September 17, 2026. The procurement process is governed by strict guidelines, including a no-contact rule that prohibits bidders from communicating with board members, county employees, or the evaluation committee during the bid period, except through the designated Purchasing Department or official pre-bid conferences. Bidders must adhere to the county's local preference and Buy American policies and are required to provide a proper bid bond if specified to avoid rejection. Awarding firms will be subject to a two-year warranty on labor and materials and must complete standard administrative requirements, including EFT authorization and IRS Form W-9 submission. Final payment is contingent upon the certification that all subcontractors and suppliers have been paid in full.

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RFP For Asphalt Rehabilitation Engineering Support Services

Solicitation # 20260825003

The Orange County Water District in California is seeking proposals for Asphalt Rehabilitation Engineering Support Services under solicitation number 20260825003. This project, categorized under NAICS code 541330, will be performed in Fountain Valley, California. Interested parties must submit their responses by the deadline of September 22, 2026, at 5:00 PM. The primary point of contact for this procurement is Marcus Villalobos in the procurement department.

ORANGE COUNTY WATER DISTRICT

POSTED

about 17 hours ago

DEADLINE

in 27 days

AI Contract Overview

The contract seeks specialized engineering expertise in structural, mechanical, and electrical disciplines to support the overall Architecture and Engineering effort for marine infrastructure projects under the Government of Canada’s Department of Fisheries and Oceans. As a subcontract, this engagement requires technical professionals to deliver high-quality, integrated engineering services aligned with the overarching goals of marine infrastructure development, maintenance, or rehabilitation. The work is performance-based and will be carried out in London and Sarnia, with no set-aside provisions designated, meaning any qualified firm may respond regardless of business size or ownership characteristics. Proposals must be submitted by June 18, 2026, with solicitation opening on May 26, 2026, allowing potential subcontractors approximately five weeks to prepare detailed responses. The North American Industry Classification System code 541330 identifies this as Engineering Services, confirming the focus on technical consultancy rather than construction or fabrication. This subcontract role is critical to ensuring the integrity, safety, and functionality of marine infrastructure assets, requiring a deep understanding of marine environments, regulatory standards, and interdisciplinary coordination. All qualified firms are invited to submit proposals through the official CanadaBuys portal.