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Company profile

Space Systems Integration LLC Tech Stack

Systems engineering and acquisition support for government space and air programs

Engineering Services Chantilly, Virginia 51–200 employees Founded 2005 Privately Held

Space Systems Integration provides engineering and acquisition support to government space and aircraft programs. Its stack is dominated by model-based systems engineering tooling (SysML, MagicDraw, Enterprise Architect, DOORS, Jama Connect, DoDAF) alongside orbital analysis tools like STK and FreeFlyer, pointing to digital engineering transformation work. Accelerating hiring is almost entirely senior engineering talent, built around digital threads and legacy content conversion.

Tech Stack 36 technologies

Core StackAWS Docker Jira Confluence SAP MATLAB Python Java C# C++ SysML Enterprise Architect DoDAF IBM DOORS Jama Connect MagicDraw Azure Oracle Primavera SATCOM Ethereum Virtual Machine STK FreeFlyer Simulink DISS Visual Basic Thermal Desktop VxWorks UML MBSE Ansys ModelCenter+5 more

What Space Systems Integration LLC Is BuildingChallenges and projects from their job posts

◆Challenges

Scaling prototypes into enterprise modernization efforts
Timely classified system delivery under budget constraints
Managing and refining complex acquisition strategies
Closing risks, gaps, and vulnerabilities
Coordinating multiple program stakeholders

▲Active Projects

Digital engineering thread development
Converting legacy systems engineering content to digital
ESS program office space vehicle delivery
Mission thread development for space control
Joint domain data fusion
Data model for program financial-technical integration

Hiring Activity

Accelerating25 roles · 9 in 30d

Department

Engineering

Product

Security

Seniority

Senior

Manager

Mid

Principal

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About Space Systems Integration LLC

Space Systems Integration is a privately held engineering services firm founded in 2005 and headquartered in Chantilly, Virginia. It supports government customers across aircraft and space systems design, acquisition, and operations, with focus areas in spacecraft, the air domain, and defense. The company employs 51–200 people and hires within the United States. Its work spans systems engineering, trade studies, technical assessments, and program office support for space vehicle delivery.

HeadquartersChantilly, Virginia

Company Size51–200 employees

Founded2005

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Space Systems Integration use?

SSI uses MBSE tools such as SysML, MagicDraw, Enterprise Architect, IBM DOORS, and Jama Connect, plus STK, FreeFlyer, MATLAB, Simulink, Python, C++, AWS, Azure, Jira, and Confluence.

Is Space Systems Integration hiring engineers?

Yes. Hiring is accelerating and concentrated in engineering, with a strong tilt toward senior-level roles, all based in the United States.

Where is Space Systems Integration headquartered?

SSI is headquartered in Chantilly, Virginia, and has 51–200 employees. It was founded in 2005.

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How this profile is built

Space Systems Integration LLC's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.