Space Systems Integration LLC Tech Stack

Engineering services for U.S. space and defense acquisition

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

SSI provides systems engineering and technical services to government customers in spacecraft and defense programs. The stack reveals a hybrid portfolio: established aerospace tools (MATLAB, STK, FreeFlyer, Simulink) alongside modern DevOps infrastructure (Docker, AWS, Azure, Jira), and active adoption of Ansys ModelCenter signals movement toward automated trade-study and simulation workflows. Accelerating senior-level hiring (19 of 21 open roles) focused entirely on engineering indicates scaling technical depth for concurrent government contracts.

Tech Stack 26 technologies

Core StackDocker AWS MATLAB Python Java C# C++ Jira Confluence SAP Azure STK FreeFlyer Simulink Microsoft Project SparX Enterprise Architect SysML DoDAF Oracle Primavera SATCOM Ethereum Virtual Machine Sparx Enterprise Architect

AdoptingJira Enterprise Architect Ansys ModelCenter

What Space Systems Integration LLC Is Building

◆Challenges

Enhancing space resiliency
Rapid capability delivery
Multiple simultaneous projects
Alignment with organizational goals
Identifying delivery risks
Aligning cloud architectures
Identifying integration and test risks
Ensuring realistic integration schedules
Managing risk throughout satellite lifecycle
Identifying technology gaps

▲Active Projects

Supporting ussf system development and acquisitions
Agile release train coordination
Developing conops and icds
Satellite integration and test activities
Test readiness reviews
Automated system-level trade study execution architecture
Space mission operations analysis simulations and trade studies
Satellite communications system integration
Ground terminal system development
Integrating cybersecurity into space system design

Hiring Activity

Accelerating20 roles · 15 in 30d

Department

Engineering

Seniority

Senior

Mid

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About Space Systems Integration LLC

Space Systems Integration is an engineering services firm based in Chantilly, Virginia, founded in 2005. The company supports U.S. government customers—primarily defense and space agencies—in spacecraft design, system acquisition strategy, and mission operations. Current work spans satellite integration and test activities, conops and interface control document development, space mission trade studies, and ground system development. The organization operates across multiple concurrent programs, with active pain points centered on schedule realism, integration risk management, rapid capability delivery, and cloud architecture alignment. All 51–200 employees are engineering-focused, with no separate sales or support functions visible in the hiring profile.

HeadquartersChantilly, Virginia

Company Size51–200 employees

Founded2005

Hiring MarketsUnited States

Frequently Asked Questions

What is Space Systems Integration's tech stack?

SSI uses aerospace-grade simulation tools (MATLAB, STK, FreeFlyer, Simulink), cloud platforms (AWS, Azure), containerization (Docker), systems engineering software (SysML, DoDAF, SparX Enterprise Architect), and government standards tools (SAP, Oracle Primavera, Jira). Currently adopting Ansys ModelCenter.

What projects is Space Systems Integration working on?

Active work includes U.S. Space Force system development and acquisitions support, satellite integration and test activities, space mission trade studies, ground terminal system development, automated trade-study architectures, and cybersecurity integration into space system design.

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.