Engineering Freedom
through Digital Transformation

Our Services


CSEngineering is trusted by agencies and missions for their digital transformation needs. On top of open-source tooling, we offer services and products to meet mission-critical demands across services and use cases.


Through our partnerships and experience, harness the expertise of world-class cryptographers, engineers, and developers to help your agency or mission develop customized blockchain solutions and tackle emerging regulatory, strategic, and operational risks.


CSEngineering is helps agencies across the U.S. Government transform the way complex systems are engineered. Agencies look to CSE for new ways to do more with less, to raise quality while lowering costs, and to help government and industry achieve mission success.

and it services

CSE establishes, maintains, and enforces a continuous loop of ever-evolving best practices for secure development and operations. We integrate security experts into the development process to better understand the steps being taken to safeguard applications and participate directly in tradeoff decisions.

Civil engineering

CSEngineering provides engineering support for Facilities Sustainment Restoration & Modernization , Unspecified Minor Military Construction, and Military Construction Project Planning & Program Development to multiple US Air Force and US Coast Guard Installations. 

Who We Are

Our people are driven by a fierce commitment to pivotal outcomes. They forge the future with advanced DevSecOps, engineering, and digital transformations. Explore more to see what our experts are doing to make our world safe. We understand your requirements, technology environment, operating structure, and adoption readiness to address modernization with purpose. We’re trusted to advance the nation’s most sensitive missions and are committed to delivering open, yet secure architectures so you can quickly and easily adopt new technologies.

Our Customers

Contract Vehicles

DoD DevSecOps

This Basic Ordering Agreement (BOA) has the purpose of supporting the United States Air Force LevelUP Code Works (LevelUP) mission and its components. We provide support to LevelUP and LevelUP pathfinder product development

NOAA ProTech

The mission and objectives of the primary users of the NOAA PROTECH Satellite Domain are related to satellite and observation activities and the collection, preservation, and dissemination of information and services derived therefrom.


One Acquisition Solution for Integrated Services (OASIS) Small Business (SB) is a multiple award, Indefinite Delivery Indefinite Quantity (IDIQ) contract that provides flexible and innovative solutions for complex professional services.


eFAST is a multi-year MOA program offering broad technical scope, many contract and award types, and a wide array of labor categories with fixed ceiling rates. eFAST is the FAA’s preferred acquisition vehicle for fulfilling Agency Small Business goals.

SeaPort NxG

The SeaPort Next Generation Contract (SeaPort NxG) provides for Engineering and Program Management Services that span the entire spectrum of mission areas and technical capabilities supported by the Department of the Navy (DON).


Through our General Service Administration (GSA) Multiple Award Schedule and our agency-wide contract vehicles, federal agencies have direct access to our wide range of program management, acquisition management, financial management, and IT and engineering management services. ​

Latest News

Constellation Software Engineering, LLC (CSEngineering) Awarded a $900M Air Force Life Cycle Management Center Architectures and Integration Directorate (AFLCMC/XA), Directorate-Wide Multiple Award Indefinite-Delivery/ Indefinite-Quantity (IDIQ) Contract

Annapolis, MD – Date: August 2023 – CSEngineering announced it has been awarded the multiple awards IDIQ for Air Force Life Cycle Management Center, Architecture & Integration Directorate’s (AFLCMC/XA) that develops innovative approaches that bring multi-domain systems capabilities, characterization of new …

Constellation Software Engineering, LLC (CSEngineering) Expands Leadership Team by Bringing on Mr. Chandra Sekar as Director.

Annapolis, MD – Sept 18th, 2023 – CSEngineering, a fast-growing, leading Government contractor that provides Mission Enablement, Digital Transformation, Systems Engineering, and Web3.0 services expands its Leadership Team by bringing on Mr. Chandra Sekar as Director of Microsoft Cloud & Data …

Constellation Software Engineering Joins the Linux Foundation to Reinforce Commitment to Open Source

Annapolis,  July 24th, 2023 — Constellation Software Engineering, a leading government contracting technology firm specializing in innovative solutions for the federal government, is proud to announce its membership with the Linux Foundation. This strategic partnership underscores Constellation Software Engineering’s dedication …

Constellation Software Engineering (CSE) Changes Ownership

Constellation Software Engineering (CSE) Changes Ownership ANNAPOLIS, Maryland June 2022 – Constellation Software Engineering (CSE) is pleased to announce that Chris Stone, Founder has accepted a purchase of his company. Mr. Stone remains a minority shareholder. CSE has successfully transferred …

Agile Support Alliance Joint Venture, LLC (ASA JV) Wins NGA Emerald

CSEngineering is a teammate of the ASA JV for the EMERALD Program. ASA JV recently announced that it was awarded an indefinite-delivery/indefinite-quantity (IDIQ) contract for the EMERALD Program. EMERALD is a procurement vehicle for life-cycle acquisition management, strategic financial, and business …

USCG MH-60 Engineering Support Award

On April 28th, CSEngineering was awarded a four-year prime contract with the U.S. Coast Guard to provide engineering support for the MH-60 Maintenance and Navy Conversion Project. ​The United States Coast Guard (USCG), Aviation Logistics Center (ALC), Medium Range Recovery …

Engineering Freedom
through Digital

Around the world, organizations are changing the way they operate in business, meet their missions, and address emerging threats. As technology solutions converge and connect in new ways, there are advanced opportunities to better serve and protect citizens and national interests. But with these opportunities come technical challenges. Enterprise systems must be able to quickly and easily adapt to new threats, while making sense of data pouring in from around the world. We can help.