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Mantech Systems Engineering Corp, 12015 Lee Jackson Hwy. , Fairfax, VA 22033 US

UEI: SLED_E381A281652CFC5C

Mantech Systems Engineering Corp, 12015 Lee Jackson Hwy. , Fairfax, VA 22033 US is a federal contractor, registered under UEI SLED_E381A281652CFC5C. It has been awarded $39,179,412 in federal contracts. Primary work spans Engineering Services. Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_E381A281652CFC5C

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Mantech Systems Engineering Corp provides professional services under NAICS 541330, focusing on engineering activities. The company has experience supporting the Department of Defense. Their industry focus is centered on engineering services, positioning them as a technical provider for defense-re...

Key Performance Metrics

Awards Count

1

All time

Active

0

Currently performing

Completed

0

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department Of Defense$39.2M100%

Awards by NAICS

541330 - Engineering Services$39.2M100%

Awards by Agency Over Time

Awards by Place of Performance

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Pure Water Southern California Direct Potable Reuse Testing Facility

Solicitation # pure-water-southern-california-direct-potable-reuse-testing-facility

Kiewit Infrastructure West Co. is soliciting proposals for the Pure Water Southern California Direct Potable Reuse Testing Facility project located in California. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, falling under NAICS code 541330. The solicitation was posted on October 29, 2026, with a response deadline of November 3, 2026. Interested parties should coordinate with the primary point of contact, Sepideh Aria, for further details regarding the submission process and project requirements.

Kiewit Infrastructure West Co.

POSTED

about 2 hours ago

DEADLINE

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified DBE and SBE sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency across San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. This opportunity is targeted toward firms specializing in administrative management, engineering services, computer systems design, and public relations documentation. Interested parties must submit their responses by November 17, 2026. The project falls under several NAICS codes, including 541611, 541330, 541512, and 541820, emphasizing a need for a multidisciplinary approach to business impact analysis and disaster recovery. Primary coordination for this solicitation is managed by Liz Jordan-Wettstein.

Aanko Technologies Inc.

POSTED

about 2 hours ago

DEADLINE

Programmable Logic Controller (PLC) Parts

Solicitation # 26-SIMACQ-PD-51-0189

Nswc Philadelphia Division

POSTED

about 3 hours ago

DEADLINE

Yucca Trail Widening Project – Palomar Avenue To La Contenta Road

Solicitation # 7074

The Town of Yucca Valley is soliciting professional civil engineering design services for the Yucca Trail Widening Project, located between Palomar/Avalon Avenue and La Contenta Road in Yucca Valley, California. The selected contractor will be responsible for creating a comprehensive Plans, Specifications, and Engineer's Estimates package, which includes street improvement, signing, striping, and streetlight plans, as well as final cost estimates and record drawings. The scope requires the consultant to evaluate the project for safety, constructability, utility conflicts, right-of-way constraints, and ADA compliance, utilizing the latest version of AutoCAD and adhering to the Standard Specifications for Public Works Construction and Town driveway standards. The agreement is for an initial term of two years, with a possible two-year extension upon mutual consent. Proposals must be submitted in two separate sealed envelopes by December 3, 2026, with the technical proposal limited to ten pages. Evaluation criteria include the service approach, company qualifications, past performance, proximity of the contractor's office, and the ability to commence work immediately. Compensation will be negotiated after the contractor is selected, and the Town aims to process undisputed monthly invoices within forty-five days. While the contractor must provide worker's compensation and indemnity insurance, it is noted that California prevailing wage laws do not apply to this specific agreement.

Town of Yucca Valley

POSTED

about 4 hours ago

DEADLINE

in about 1 month

Civil Engineering Services Hart Street Development Site

Solicitation # 20261028035

The Housing Authority of the County of Kern is soliciting proposals from qualified civil engineering firms to provide professional services for the Hart Street Development Site in Bakersfield, California. The project focuses on planning for future multifamily residential development across two specific parcels. The scope of work is divided into three primary tasks: managing applications for a General Plan Amendment and zone change to R-2, evaluating parcel configurations to develop up to four development parcels including necessary map approvals, and creating a comprehensive Master Site Plan. This plan must identify building areas, circulation routes, access points, utility corridors, and open space opportunities. Proposals must be submitted via email to [email hidden] by 3:00 PM PT on November 18, 2026. The selection process will be based on a weighted evaluation criteria consisting of the fee proposal at 30 percent, relevant experience at 20 percent, qualifications of the project team at 20 percent, the proposed project approach at 20 percent, and the project schedule at 10 percent. All inquiries regarding this solicitation should be directed to Ashlee Ashby, the Administrative Coordinator.

Housing Authority of the County of Kern

POSTED

about 5 hours ago

DEADLINE

Orange County Managed Lanes Segment Advancement Study

Solicitation # C265256

Orange County Transportation Authority

POSTED

about 8 hours ago

DEADLINE

in about 1 month

Engineering And Traffic Surveys Supporting The Town's Speed Limits To Continue Radar Enforcement

Solicitation # 27-004

The Town of Los Gatos, through its Parks and Public Works agency, is soliciting proposals for solicitation number 27-004 to conduct engineering and traffic surveys across 65 designated roadway segments and all existing school zones. The primary objective is to renew the surveys supporting prima facie speed limits to ensure continued legal radar enforcement in compliance with the California Vehicle Code and AB 382. The selected consultant, who must be a California-licensed Professional Engineer qualified in traffic engineering, will perform speed data collection on 31 high-volume segments using radar and 34 low-volume segments using 24-hour mechanical counters. The scope also requires a review of three years of accident history, field checks of each segment, and the delivery of a final engineering report in searchable PDF format containing 85th-percentile speeds and a speed-limit recommendation matrix. The contract is for a one-year term beginning in January 2027 with no option for renewal. Proposers must submit electronic bids by November 27, 2026, and will be evaluated through a two-phase process consisting of a pass/fail responsiveness check followed by a 100-point scoring system based on qualifications, work plan, price, and references. Awardees must maintain significant insurance coverage, including 2 million dollars in general liability, 1 million dollars in automobile liability, and 1 million dollars in professional liability. The agreement includes strict non-discrimination requirements with potential liquidated damages of 100 dollars per day for non-compliance and allows for termination by either party with 15 days written notice. Payment is structured as monthly invoicing with net 30-day terms.

Parks and Public Works

POSTED

about 8 hours ago

DEADLINE

Surge & Transient System Detailed DesignThis subcontract opportunity with Garney Companies, Inc. involves providing detailed engineering and design services for a municipal wastewater effluent force main surge and transient system for projects within the Charles County Government. The scope of work includes the design of surge tanks, standpipes, and large diameter ductile iron and prestressed concrete cylinder pipe force mains exceeding 36 inches. Additionally, the contractor will perform engineering for bypass pumping, line stops, and pipe tapping, ultimately delivering final stamped design drawings and specifications through 60, 90, and 100 percent submission phases. The procurement is specifically set aside for SBA certified Women-Owned Small Businesses and Department of Transportation Disadvantaged Business Enterprises under NAICS code 541330. Interested parties must submit their responses by November 9, 2026.

Garney Companies, Inc.

POSTED

about 9 hours ago

DEADLINE

Structural Support and Roofing Integration

County of Mecklenburg

POSTED

about 10 hours ago

DEADLINE

City of Thornton 9500 Civic Center Drive Thornton, CO 80229-4326 The City of Thornton

Solicitation # 26-593

The City of Thornton is soliciting proposals for the design of the Quebec Street Widening project, specifically for the area north of 136th Avenue. Identified as Project No. 26-593 and CDOT Project No. SPFF M286-064, this solicitation seeks professional design services to facilitate the infrastructure expansion. Interested proposers can obtain the necessary solicitation documents through the Business section of the official City of Thornton website under Contracts and Purchasing. It is critical for bidders to acknowledge all addenda within their submittals to avoid being deemed non-responsive. The public notice for this opportunity was published in the Northglenn-Thornton Sentinel between October 15 and October 29, 2026.

City of Thornton - Support Services

POSTED

about 15 hours ago

DEADLINE

On-Call Structural and Seismic/Disaster Engineering Services

Solicitation # FAS 2026-037

The City of Seattle Finance and Administrative Services Capital Development division is seeking to establish two on-call contracts for professional structural and seismic/disaster engineering services under solicitation FAS 2026-037. The selected consultants will provide technical expertise on an as-needed basis for small to medium projects throughout the planning, design, procurement, and construction phases, utilizing delivery methods such as Design-Bid-Build, Job Order Contracting, and the Small Works Roster. The scope of work includes structural engineering studies, seismic evaluations, confidence testing, fall protection design, and the preparation of construction documents stamped by a licensed engineer. All deliverables must adhere to specific CAD standards, including software compatibility with AutoCAD 2025.1.3 and AIA/US National CAD Standard V5. Eligible firms must be licensed to practice in Washington State and the City of Seattle, demonstrate experience with current code compliance, and provide three relevant projects completed within the last seven years. The contract features an initial one-year term with up to four optional one-year renewals, for a maximum duration of five years. Evaluation of proposals is based on relevant technical experience (40 percent), approach and methodology (30 percent), and an inclusion plan (15 percent) focusing on women and minority-owned businesses. Responses are due by December 2, 2026, via the OpenGov portal, with a target contract execution date of December 15, 2026. Consultants are required to maintain Commercial General Liability insurance and comply with various local and federal regulations, including ADA and City of Seattle labor ordinances.

Finance and Administrative Services

POSTED

about 17 hours ago

DEADLINE

in about 1 month

Geotechnical Analysis and Stability ModelingThis subcontract for Geotechnical Analysis and Stability Modeling involves providing professional engineering analysis for prime contractors working on Upper Thames River Conservation Authority dam projects in Canada. The scope of work focuses on reviewing structural data and seepage at armour stone retaining walls, confirming embedment depths, and updating slope stability analyses utilizing the Slope/W model. The final deliverables for this engagement include comprehensive Geotechnical Reports and updated Slope/W models. To qualify for this contract, the service provider must hold a valid P.Eng license and ensure all work complies with the Ontario Accessibility Standards and the LRIA Technical Bulletin. Interested parties must submit their responses by November 18, 2026.

Upper Thames River Conservation Authority

POSTED

about 18 hours ago

DEADLINE

R.T. Orr Dam Geotechnical Investigations

Solicitation # 2026-05

The Upper Thames River Conservation Authority is soliciting proposals for geotechnical investigations and assessments of the R.T. Orr Dam located in Stratford, Ontario. The project, which initiates in 2026 and must be substantially completed by March 15, 2027, is based on recommendations from a 2023 Dam Safety Review by D.M. Wills Associates Limited. The scope of work includes reviewing existing structural data, conducting a detailed seepage investigation at the downstream left armour stone retaining wall, performing supplementary field investigations for embankment slope stability, installing two nested monitoring wells in both earth embankments, and updating stability analyses for armour stone structures. All work must adhere to the LRIA Technical Bulletin for Geotechnical Design and Factors of Safety and meet Ontario Accessibility Standards for electronic deliverables. Proposals must be submitted electronically via the bids and tenders platform by 3:00 PM Eastern Daylight Time on November 18, 2026. The selection process utilizes a two-envelope system where technical qualifications in Envelope A are evaluated before the cost proposal in Envelope B is opened. Award decisions are based on best value, considering experience, understanding of the work, proposed methodology, schedule, and cost reasonableness. Selected consultants must provide proof of professional licensing, WSIB standing, and required insurance policies, while maintaining strict confidentiality regarding project information.

Upper Thames River Conservation Authority

POSTED

about 18 hours ago

DEADLINE

Traffic Signal Installation Oversight and Quality AssuranceThe Traffic Signal Installation Oversight and Quality Assurance subcontract involves providing technical supervision and oversight for prime contractors working on regional signal synchronization projects for the City of Aliso Viejo. The selected provider will be responsible for conducting on-site field supervision to ensure that installation contractors adhere to approved plans, specifications, and estimates, as well as Caltrans signal installation standards. Key deliverables include the performance of post-construction walkthroughs and the submission of detailed installation compliance reports and walkthrough documentation. This project is located in Aliso Viejo, California, with a response deadline set for December 2, 2026.

City of Aliso Viejo

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Traffic Signal Infrastructure Design and PS&E PreparationThis subcontract opportunity involves providing professional engineering design services for regional signal synchronization projects within the City of Aliso Viejo, California. The selected contractor will support prime contractors by preparing comprehensive Plans, Specifications, and Estimates for traffic signal equipment and infrastructure improvements, while also developing technical responses and bid advertisements. A valid California Professional Engineer license is required to perform this work. The project culminates in the delivery of a complete PS&E package, with a response deadline set for December 2, 2026.

City of Aliso Viejo

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Traffic Data Collection and Field Study ServicesThis subcontract for Traffic Data Collection and Field Study Services supports prime contractors on regional signal synchronization projects for the City of Aliso Viejo. The scope of work involves comprehensive traffic analysis, including seven-day 24-hour machine counts, intersection turning movement counts, and floating car studies utilizing GPS and synchronized video analysis. All operations must be conducted within Caltrans right-of-way in strict accordance with 2026 CTFP Guidelines, with final deliverables consisting of field review memos and summarized count data provided in Excel format. The project is located in Aliso Viejo, California, under NAICS code 541330. Interested parties should note that the solicitation was posted on October 28, 2026, with a response deadline set for December 2, 2026.

City of Aliso Viejo

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Oso Parkway/Pacific Park Drive/Glenwood Drive Regional Traffic Signal Synchronization Project

Solicitation # 20261026016

The City of Aliso Viejo is soliciting proposals for a professional licensed consultant to provide regional traffic signal synchronization services for the Oso Parkway, Pacific Park Drive, and Glenwood Drive corridor. The project involves coordinating traffic signals across multiple jurisdictions, including the Cities of Aliso Viejo, Laguna Hills, Mission Viejo, Laguna Niguel, the County of Orange, and Caltrans, extending from Moulton Parkway to the SR-241 Northbound On-Ramp. The projected period of performance is from April 1, 2027, to September 30, 2030. The selected consultant will be responsible for providing all necessary labor, materials, and equipment to implement optimized signal timing in accordance with the Regional Traffic Signal Synchronization Master Plan and the City's Local Signal Synchronization Plan. Proposals are due by December 2, 2026, and must be submitted as one hard copy and one electronic PDF on a USB drive, with the cost proposal in a separate sealed envelope. Award decisions will be based on a weighted evaluation of the consultant's ability and skills, character and reputation, cost reasonableness, ability to meet time requirements, financial resources, and previous experience with the vendor. The contract is governed by the laws of the State of California with venue in Orange County. Key requirements include compliance with California prevailing wage laws, adherence to the City's Minority Business Enterprise program, and the submission of annual political contribution disclosures.

City of Aliso Viejo

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Travel Lift Infrastructure Structural DesignThis subcontract for Travel Lift Infrastructure Structural Design involves providing structural and civil engineering services for heavy-duty boat lift foundations at the Port of Brookings-Harbor in Brookings, Oregon. The selected contractor will be responsible for developing demolition plans for existing infrastructure and designing foundations, slabs, and ramps specifically rated for an 85-ton travel lift in accordance with manufacturer requirements. The project requires the contractor to hold a valid Oregon Professional Engineering license to deliver the necessary demolition plans and structural design drawings. Interested parties must submit their responses by December 2, 2026, under NAICS code 541330.

Port of Brookings-harbor

POSTED

about 20 hours ago

DEADLINE

in about 1 month