Space Systems Integration LLC Tech Stack

Government spacecraft and air domain systems engineering services

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

Space Systems Integration is a government contractor focused on spacecraft and air-domain systems design, acquisition, and operations. The company's tech stack—Oracle Primavera, SAP, SysML, DoDAF, and Sparx Enterprise Architect—reflects deep integration with defense acquisition workflows. Active hiring is concentrated in senior engineering roles (28 of 36 open positions), suggesting scaling on major program integrations rather than foundational expansion, while project names ("rg-xx constellation integration," "tranche 3 development") point to complex multi-phase government satellite programs.

Tech Stack 16 technologies

Core StackJira Confluence SAP Microsoft Project Oracle Primavera PowerPoint Microsoft Office SATCOM Word Excel SharePoint Microsoft 365 Ethereum Virtual Machine Sparx Enterprise Architect SysML DoDAF

What Space Systems Integration LLC Is Building

◆Challenges

Address emerging threats
Enhance space resiliency
Identify technology gaps
Transitioning mission systems into production
Obsolescence issues
Employee engagement
Program transition to program executive officer
Critical mission capabilities
Time-critical program delivery
Configuration control

▲Active Projects

Major program acquisitions
Mission systems integration and deployment
Satellite system development and acquisitions
Transition and integration strategy development
Rg-xx constellation integration
Critical mission capabilities
System-level requirements verification
Tranche 3 development
Full acquisition lifecycle management
Strategic roadmap development

Hiring Activity

Accelerating35 roles · 20 in 30d

Department

Engineering

Security

Ops

Seniority

Senior

Mid

Lead

C-Level

Notable leadership hires: Program Acquisition Lead

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About Space Systems Integration LLC

Space Systems Integration provides engineering services to U.S. government customers in spacecraft and air-domain systems. The company supports the full acquisition lifecycle—from design and requirements verification through mission deployment and operations. Based in Chantilly, Virginia, SSI employs 51–200 people with a 20-year operational history. Core capabilities span spacecraft development, constellation integration, mission systems deployment, and strategic transition planning. The company is actively addressing challenges in space resilience, obsolescence management, and time-critical program delivery.

HeadquartersChantilly, Virginia

Company Size51–200 employees

Founded2005

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Space Systems Integration use?

SSI's core tools include Oracle Primavera and Microsoft Project for program management, SAP for enterprise planning, Jira and Confluence for collaboration, and specialized defense/aerospace tools: SysML, DoDAF (Department of Defense Architecture Framework), and Sparx Enterprise Architect for systems modeling.

What is Space Systems Integration working on?

Active projects include major government program acquisitions, satellite constellation integration ("rg-xx"), mission systems transition to production, system-level requirements verification, and full acquisition lifecycle management across multiple development tranches.