Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →
CLEATUS
Get CLEATUS

This Government Contract opportunity from Department Of The Interior was posted on September 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Aquarius Software Support and Maintenance Services

Closed
Federal

Contract Overview

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

Active Opportunities Like This One

NAICS: 541511
New
SLED
Usability and Accessibility (ADA) TestingThis subcontract opportunity involves providing specialized usability, accessibility, and privacy testing for prime contractors working on voting system projects for the California Secretary of State. The selected vendor will be responsible for evaluating system interfaces to ensure strict compliance with Section 508 and WCAG accessibility standards, while also verifying that voter privacy protections are maintained. The primary deliverables for this engagement are comprehensive Usability, Accessibility, and Privacy Test Reports. The project falls under NAICS code 541511 and requires the vendor to sign a Non-Disclosure Agreement. Interested parties must submit their responses by November 18, 2026, following the posting date of November 3, 2026. Further details regarding the solicitation can be accessed through the Cal eProcure portal.
Secretary of State

POSTED

about 11 hours ago

DEADLINE

in 15 days
NAICS: 541511
New
SLED
Prior Authorization & Utilization Management SoftwareThis subcontract involves the supply and implementation of an electronic prior authorization system for prime contractors working on California Department of State Hospitals network projects. The selected provider will develop and deploy a comprehensive system designed to validate authorizations during claims submission, facilitate automated routing, support clinical reviews, and maintain detailed audit trails. A critical component of the project is the seamless integration of this software with existing Department of State Hospitals Electronic Health Record systems. The scope of work encompasses the delivery of a fully operational system, including all necessary configuration and training. This project falls under NAICS code 541511 and is managed by the state of California. Interested parties should note the response deadline of December 8, 2026, to provide their proposals for this technical implementation.
California Department of State Hospitals

POSTED

about 12 hours ago

DEADLINE

in about 1 month
NAICS: 541511
New
SLED
Data Analytics and Dashboard Development

POSTED

about 12 hours ago

DEADLINE

in 6 days
NAICS: 541511
New
Grant
Graduate Tracking System DevelopmentThis subcontract opportunity involves the development and implementation of a specialized software system for the Iowa Department of Health and Human Services to support medical residency projects. The selected provider will design an operational graduate tracking and reporting system equipped with database management capabilities and strict data maintenance protocols. A primary requirement of the project is the ability to track the first cohort of graduates for a minimum period of five years. The project falls under NAICS code 541511 and is managed by the Rural, Community Health and Primary Care division of the agency. Interested parties must submit their responses by December 28, 2026. The ultimate goal of the contract is the delivery of a fully functional system that enables prime contractors to efficiently manage graduate data and generate necessary reports.
HHS - PH (HPP) - Rural, Community Health and Primary Care

POSTED

about 13 hours ago

DEADLINE

in about 2 months
NAICS: 541511
New
SLED
Criminal Justice Registry Interface DeveloperThe Oregon Department of Transportation is seeking a subcontractor for the Criminal Justice Registry Interface Developer project to establish secure, real-time query connections for prime contractors. The scope of work involves building native, concurrent, and bi-directional query capabilities for the National Crime Information Center and the Oregon Law Enforcement Data System to deliver a fully operational query interface. Due to the sensitive nature of the data, the developer must maintain mandatory CJIS certification and strictly adhere to all NCIC and LEDS security policies. This opportunity is based in Salem, Oregon, with responses due by December 15, 2026.
Department of Transportation

POSTED

about 13 hours ago

DEADLINE

in about 1 month
NAICS: 541511
New
SLED
Web Developer (H2 Public Portal)This subcontract opportunity is for a Web Developer to maintain and modify the H2 Public Portal and associated web interfaces used by prime contractors on Hawaii Department of Transportation projects. The selected provider will be responsible for general website maintenance, updating the public-facing data reporting portal, and ensuring all interfaces remain compliant with GUI and web accessibility standards to deliver a fully functional portal. The solicitation was posted on November 2, 2026, with a response deadline of November 24, 2026. Falling under NAICS code 541511, this project is managed by the Hawaii Department of Transportation. Interested parties can find further details through the provided HiePro solicitation link.
Department of Transportation

POSTED

about 14 hours ago

DEADLINE

in 21 days
NAICS: 541511
New
SLED
Oracle APEX Software Developer (RIMS Modules)This subcontract opportunity is for an Oracle APEX Software Developer to support the Hawaii Department of Transportation by developing and modifying software modules for the RIMS platform. The selected developer will be responsible for updating the DVM, DAM, DPM, and LMS modules, as well as implementing updates for the HPMS module. All work must be performed using Oracle Application Express while adhering to strict UML coding and GUI standards to ensure the delivery of fully functional software modules. The scope of work includes performing comprehensive unit, integrated, and system verification testing to maintain platform integrity. This project falls under NAICS code 541511 and is associated with prime contractors managing HDOT projects. Interested parties should note the response deadline of November 24, 2026.
Department of Transportation

POSTED

about 14 hours ago

DEADLINE

in 21 days
NAICS: 541511
New
SLED
CRM Analysis, Design & Planning ServicesThis subcontract for CRM Analysis, Design and Planning Services supports prime contractors on projects for the Montana Department of Public Health and Human Services. The selected provider will perform high-level analysis and design to optimize CRM functionality, which includes gathering requirements, designing data schemas and workflows, and planning system enhancements. Key deliverables include comprehensive design documents and system architecture maps created using professional business analysis tools and architectural mapping software. The role requires adherence to IIBA or similar professional standards to ensure quality in system optimization. This opportunity is categorized under NAICS code 541511 and was posted on November 2, 2026, with a response deadline of November 9, 2026. Interested parties can find further details through the State of Montana procurement portal.
Montana

POSTED

about 15 hours ago

DEADLINE

in 6 days
NAICS: 541511
New
SLED
Custom Mobile App Development & Power Apps IntegrationThis subcontract for Custom Mobile App Development and Power Apps Integration involves providing specialized coding and development services for prime contractors working on Lincoln Electric System projects. The scope of work focuses on creating custom modules tailored to specific business requirements and integrating mobile solutions with Microsoft 365 Power Apps to facilitate form submissions. The development must be compatible across iOS, Android, and Windows mobile operating systems while adhering to professional software development standards. The primary deliverables include the custom code, the developed modules, and fully functional Power App links. This opportunity falls under NAICS code 541511 and is associated with the Lincoln Electric System in Nebraska. Interested parties should note the response deadline of January 12, 2027.
Lincoln Electric System

POSTED

about 15 hours ago

DEADLINE

in 2 months
NAICS: 541511
New
SLED
PMIS Software and Implementation Services
Department of Management Services

POSTED

about 15 hours ago

DEADLINE

in 4 months
NAICS: 541511
New
SLED
Software Installation and Training Services

POSTED

about 16 hours ago

DEADLINE

in 2 days
NAICS: 541511
New
International
Unified Control Software (UCS) & IntegrationThis subcontract for the Government of Canada involves the development and configuration of Unified Control Software (UCS) intended for prime contractors on DND projects. The scope of work focuses on implementing remote control capabilities using IP and TCP/UDP controls to manage transmit and monitoring functions. A critical component of the project is ensuring strict adherence to DND security concepts, specifically regarding data integrity, authentication, and non-repudiation. Additionally, the contractor is responsible for developing firmware and software updates designed to prevent configuration loss during power failures. The ultimate goal of the engagement is the delivery of a fully functional UCS and a corresponding remote interface. The response deadline for this opportunity is December 10, 2026.
Government of Canada / Gouvernement du Canada

POSTED

about 16 hours ago

DEADLINE

in about 1 month

AI Contract Overview

Show more

The Aquarius Software Support and Maintenance Services subcontract, posted on September 15, 2026, provides essential technical assistance and maintenance for the Aquarius software environment used by prime contractors on National Park Service projects. Managed under the Department of the Interior for Ser South Mabo, the contract focuses on ensuring the continuous operation of hydrologic and environmental data systems through software updates, configuration management, and technical support resolution. The scope of work requires specialized expertise in Aquarius software workflows and configurations to deliver consistent maintenance reports and system updates. This opportunity falls under NAICS code 541511 and has a response deadline of September 18, 2026.

General Info

Aquarius software support and maintenance subcontract for National Park Service projects, deadline September 18.

Agency

Department Of The Interior → Ser South Mabo (54000)

NAICS

541511 - Custom Computer Programming Services

Place of Performance

FL

Set-Aside

NONE

Documents

This scope was carved out of 140P5426Q0045.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

D--Acquire Aquarius Time-Series software, Web Portal access, and associated suppor

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

Show more
AgencyDepartment Of The Interior → Ser South Mabo (54000)
ContactsNo contacts available
OfficeN/A
Organization / AgencyDepartment Of The Interior → Ser South Mabo (54000)
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Performs ongoing technical support and maintenance for the Aquarius software environment for prime contractors on National Park Service projects. Provides technical assistance, software updates, and maintenance to ensure the continued operation of hydrologic and environmental data systems. Requires technical expertise in Aquarius software configurations and workflows. Delivers maintenance reports, software updates, and technical support resolution.

More opportunities from Department Of The Interior → Ser South Mabo (54000)

Same awarding agency

NAICS: 541620
Federal
Environmental Compliance and Erosion Control SupportThe contract requires comprehensive environmental monitoring and erosion control measures during striping activities within Great Smoky Mountains National Park to ensure protection of its sensitive ecosystems. All work must adhere strictly to federal regulations and National Park Service standards, emphasizing minimal disruption to natural habitats, water quality, and wildlife. The contractor is responsible for implementing preventive and corrective practices that mitigate soil disturbance, sediment runoff, and other potential impacts associated with pavement marking operations. This is a total small business set-aside subcontract under NAICS code 541620, awarded through the Department of the Interior via Ser South Mabo. The solicitation was posted on June 25, 2026, and performance is expected to occur within the boundaries of the national park, though exact location details are not specified. Compliance with environmental protocols is non-negotiable, and the contractor must maintain continuous oversight to meet regulatory benchmarks while supporting the park’s conservation goals.
Environmental Consulting Services

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 541370
Federal
Surveying and Layout for Striping AlignmentThe contract involves precision surveying and layout for striping alignment, requiring the use of GPS and laser-guided tools to accurately mark centerlines, lane breaks, and crosswalks in full compliance with applicable codes and standards. The work demands high accuracy and technical expertise to ensure the striping is correctly positioned for safety and regulatory adherence. This is a subcontract classified as a Total Small Business Set-Aside under SBA regulations, exclusively available to small businesses as defined by the SBA. The North American Industry Classification System code is 541370, indicating it falls under surveying and mapping services. The contracting entity is Ser South Mabo (54000), operating under the Department of the Interior, with the opportunity publicly posted on June 25, 2026. The place of performance and specific organizational address details are not provided, and no point of contact information is listed in the data. The opportunity can be accessed through the SAM.gov platform via the provided link.
Surveying and Mapping (except Geophysical) Services

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 325510
Federal
Reflective Pavement Marking Materials SupplyThe contract is for the supply of reflective pavement marking materials that meet MUTCD standards and are engineered for 1 to 3 years of durability in high-traffic, environmentally sensitive roadway environments. The materials eligible for procurement include thermoplastic, paint, glass beads, or preformed tape, all of which must provide high reflectivity to ensure visibility and safety under varying weather and lighting conditions. The work is classified under NAICS code 325510, indicating it pertains to the manufacturing of paints and related products, and is designated as a Total Small Business Set-Aside under SBA guidelines, limiting eligibility to small businesses as defined by federal regulations. The contracting office is Ser South Mabo under the Department of the Interior, though specific location and point of contact details are not provided. The solicitation was posted on June 25, 2026, and is structured as a subcontract, suggesting it may be part of a larger project managed by a prime contractor. All materials must comply with performance requirements suitable for demanding conditions while minimizing environmental impact.
Paint and Coating Manufacturing

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 238990
Federal
Traffic Control and Signage Support During Striping OperationsThe contract calls for the provision of temporary traffic control services during road striping operations within high-traffic areas of a national park, with the primary goal of ensuring the safety of both the public and construction personnel. Services include the deployment of cones, regulatory and warning signage, and the assignment of certified flaggers to direct vehicle flow and maintain safe work zones. All activities must comply with federal safety standards and be performed in coordination with park operations to minimize disruption. The work is classified under NAICS code 238990 and is structured as a subcontract with a Total Small Business Set-Aside designation, meaning only small businesses certified by the Small Business Administration are eligible to bid. The contract was posted on June 25, 2026, and is being administered by Ser South Mabo under the Department of the Interior, with performance required within the boundaries of the national park though specific locations are not detailed in the available data.
All Other Specialty Trade Contractors

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 238990
Federal
Pavement Striping Application – Thermoplastic or PaintThe contract entails the application of durable, reflective pavement markings using either thermoplastic or paint on roadways within Great Smoky Mountains National Park to improve safety and visibility for visitors and park staff. The work focuses on enhancing roadway delineation through high-performance materials that maintain reflectivity under various weather and lighting conditions, ensuring compliance with federal safety standards for national park infrastructure. This effort supports the park’s mission to provide a secure and accessible environment for public use while minimizing accident risks on its extensive network of roads. Issued as a subcontract under a Total Small Business Set-Aside as defined by FAR 19.5, the contract is assigned the NAICS code 238990, which covers other specialty trade contractors. It was posted on June 25, 2026, and is managed by Ser South Mabo (54000), an entity operating under the U.S. Department of the Interior. The project is located entirely within the boundaries of Great Smoky Mountains National Park, although specific city or state details for performance or contact are not provided. The solicitation number is not listed, and no point of contact information is included, indicating that all communications and submissions must be handled through the designated SAM.gov portal linked in the notice.
All Other Specialty Trade Contractors

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 321113
Federal
56--MISP SPLIT RAIL FENCING
Solicitation # 140P5326Q0029
The National Park Service intends to award a sole-source, firm-fixed-price contract to Christine Haney dba Little Bit for the supply of Eastern Red Cedar Split Rails to replace approximately 2,100 linear feet of deteriorated fencing at Mill Springs Battlefield National Monument in Nancy, KY. The replacement is critical to restoring and preserving the historic character of the Civil War battlefield landscape, as the existing fencing has exceeded its useful life and no other vendor can replicate the exact materials, dimensions, finish, hardware, and appearance of the original installation. Maintaining continuity with the incumbent contractor is deemed essential to ensure visual and structural compatibility with the already installed fencing, and eliminating the risk of discrepancies that would arise from using an alternative supplier. The contract falls under NAICS code 321113 for sawmills and is designated as a total small business set-aside, with the vendor meeting the Small Business Administration size standard of 550 employees. No formal solicitation will be issued; the action is a notice of intent to award based on sole-source justification, and all information, including amendments, will be disseminated exclusively through SAM.gov. Interested parties must monitor SAM.gov for updates, as the government does not maintain a bidder list and all communications must be directed to Marilia Mateo at the provided email or phone number.
Sawmills

POSTED

4 months ago

DEADLINE

N/A
View Details
NAICS: 325510
Federal
Industrial Coatings SupplyThis contract involves the procurement of corrosion-resistant coatings specifically designed for wastewater applications, intended to cover 12,000 square feet of surface area at a treatment plant. The coatings must meet stringent durability and chemical resistance standards suitable for industrial environments where exposure to wastewater and corrosive elements is common. The purpose is to enhance the lifespan and performance of the treatment plant's infrastructure by preventing corrosion-related damage. Issued by the Department of the Interior under the Ser South Mabo office, this subcontract falls within the industrial coatings sector, identified by NAICS code 325510. While specific details such as location, point of contact, and solicitation number are not provided, the contract is publicly posted with a start date in May 2026. The focus on corrosion-resistant and wastewater-compatible materials indicates the project's role in maintaining critical environmental infrastructure, ensuring operational reliability and compliance with relevant industrial standards.
Paint and Coating Manufacturing

POSTED

5 months ago

DEADLINE

N/A
View Details
NAICS: 238210
Federal
Motor Soft-Start Device InstallationThis contract involves the installation of soft-start devices on eight aeration motors with the objective of reducing mechanical stress and enhancing energy efficiency. The project is classified under NAICS code 238210, which pertains to electrical contractors and other wiring installation contractors. The contract is a subcontract issued by the Department of the Interior through the Ser South Mabo office, although specific location details for the place of performance and the office address were not provided. The main goal is to upgrade the existing aeration motors by integrating soft-start technology, which helps in minimizing the initial electrical surge and mechanical strain during motor startup. This not only prolongs the lifespan of the equipment but also contributes to energy savings, reflecting a commitment to sustainable operational practices. The solicitation was posted on May 27, 2026, and while no specific set-aside or preference was indicated, the contract supports improved operational efficiency for the agency overseeing water or wastewater management systems.
Electrical Contractors and Other Wiring Installation Contractors

POSTED

5 months ago

DEADLINE

N/A
View Details
NAICS: 238210
Federal
Electrical Control Systems UpgradeThe contract involves replacing the existing pump control panel with a new, code-compliant unit aimed at enhancing system reliability and monitoring capabilities. This upgrade focuses on electrical control systems, ensuring that the new installation meets current safety and operational standards. The project is categorized under subcontracting opportunities and is identified within the NAICS code 238210, which pertains to electrical contractors and other wiring installation. Issued by the Department of the Interior's Ser South Mabo office, the contract does not specify a solicitation number or set-aside type. Although the place of performance and point of contact details are not provided, the contract was posted on May 27, 2026. This work aligns with efforts to modernize and improve the infrastructure supporting critical pump operations, supporting overall system efficiency and compliance with regulatory requirements.
Electrical Contractors and Other Wiring Installation Contractors

POSTED

5 months ago

DEADLINE

N/A
View Details
NAICS: 238190
Federal
Awnings and Shade Structures InstallationThe contract involves the supply and installation of a 600 square foot awning designed to provide weather protection at a treatment plant. This project falls under the NAICS code 238190, which covers specialized construction services, and is categorized as a subcontract issued by the Department of the Interior, specifically through the Ser South Mabo agency. The purpose of the awning is to shield the treatment plant from environmental elements, enhancing the facility's operational durability and protection. The solicitation was posted on May 27, 2026, and while certain details such as the solicitation number, specific location, and point of contact are not provided, the contract focuses on the installation of awnings and shade structures. The contract supports infrastructure improvements and aligns with agency goals to maintain and upgrade critical facilities through subcontracting opportunities. Further information about the contract and its progress can be accessed via the provided online workspace link.
Other Foundation, Structure, and Building Exterior Contractors

POSTED

5 months ago

DEADLINE

N/A
View Details
NAICS: 238320
Federal
Industrial Coating and Painting ServicesThe contract involves providing industrial coating and painting services focused on cleaning, preparing, repairing, and painting approximately 12,000 square feet of interior and exterior walls. The coating materials specified must be wastewater-approved, ensuring environmental compliance during application. This work is designated as a subcontract under NAICS code 238320, which pertains to painting and wall covering contractors. The contract is managed by the Department of the Interior, specifically under the Ser South Mabo office. Although specific location details and points of contact are not provided, the scope of work suggests a comprehensive surface treatment and finishing project aimed at maintaining or improving the facility's structural and aesthetic integrity while adhering to environmental standards.
Painting and Wall Covering Contractors

POSTED

5 months ago

DEADLINE

N/A
View Details
NAICS: 221320
Federal
Wastewater Treatment Plant RehabilitationThis contract involves the rehabilitation of an existing package sewer plant, focusing on both mechanical and structural upgrades to ensure reliable, long-term operation. The objective is to enhance the facility's performance and durability by addressing necessary repairs and improvements. It is categorized under the wastewater treatment sector, with the NAICS code 221320. The contract is a subcontract opportunity issued by the Department of the Interior under the Ser South Mabo agency. Although specific location details for performance are not provided, the solicitation was posted on May 27, 2026. The project aims to support sustainable wastewater treatment infrastructure, emphasizing the modernization and maintenance of critical municipal utilities.
Sewage Treatment Facilities

POSTED

5 months ago

DEADLINE

N/A
View Details

Earlier notices in this NAICS code

Posted before this notice, open and closed

NAICS: 541511
Closed
Federal
Olfactometry and Chromatographic Data Software Integration
USDA Ars Afm Apd

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Web-Based Appointment Scheduling System
Naval Air Warfare Center Air Division

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Section 508 Accessibility Testing & Remediation
Omas Strategic Buying Center - HHS Mission

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Agile Software Development (HS/PRS Applications)
Omas Strategic Buying Center - HHS Mission

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Bioinformatics and Data Processing Services
Region 3 Southwestern Regional Office

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Software Licensing & Lifecycle Management
W6QM Micc-Ft Gordon

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 541511
Closed
Federal
Longitudinal Health Data Processing and Harmonization
Sac Frederick (36C10X)

POSTED

about 2 months ago

CLOSED

about 2 months ago
View Details
NAICS: 541511
Awarded
Federal
D--IMT RiverWare Software Support IDIQ
Solicitation # 140R4026Q0099
Upper Colorado Regional Office

POSTED

about 2 months ago

DEADLINE

N/A
View Details
NAICS: 541511
Awarded
Federal
START - AI Use Case Inventory
Solicitation # 7571TE26Q00202
Omas Strategic Buying Center - Information Technology

POSTED

about 2 months ago

DEADLINE

N/A
View Details
NAICS: 541511
Awarded
Federal
Hydrologic Engineering Software Development for the Hydrologic Engineering Center (CEIWR-HEC), Davis, California, Multiple Award Task Order Contract (MATOC)
Solicitation # W912HQ26DA007
W4LD USA Hecsa

POSTED

about 2 months ago

DEADLINE

N/A
View Details
NAICS: 541511
Awarded
Federal
Hydrologic Engineering Software Development for the Hydrologic Engineering Center (CEIWR-HEC), Davis, California, Multiple Award Task Order Contract (MATOC)
Solicitation # W912HQ26DA006
W4LD USA Hecsa

POSTED

about 2 months ago

DEADLINE

N/A
View Details
NAICS: 541511
Awarded
Federal
DA01--Sole Source Miami VA Wayfinding Patient Navigation System
Solicitation # 36C10B26C0075
Technology Acquisition Center Nj (36C10B)

POSTED

about 2 months ago

DEADLINE

N/A
View Details

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS