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SimIS Inc. Tech Stack

Defense modeling and simulation platform for naval warfare systems

Information Technology & Services Portsmouth, Virginia 51–200 employees Founded 2007 Privately Held

SimIS is a defense contractor specializing in operational test and evaluation (OT&E) and high-fidelity simulation for undersea warfare and combat systems. The tech stack—MATLAB, LabVIEW, SPICE for modeling; Cisco, Wireshark for network analysis; C++, Java, Python for systems; Jira, Azure DevOps for delivery—reflects a hybrid engineering culture built for both simulation rigor and government compliance. Hiring is senior-heavy (41 of 63 roles) with engineering dominating (42 roles), signaling focus on deep technical expertise over scaling sales or operations.

Tech Stack 74 technologies

Core StackCisco MATLAB Jira C++ Java Python C# .NET Angular JavaScript Salesforce SQL Server Puppet Ansible Docker OpenShift Jenkins Wireshark SPICE LabVIEW Microsoft Project Lua SOAP Appian Nintex Azure DevOps Server Chef Salt LVM LXC+44 more

What SimIS Inc. Is Building

Challenges

  • Complex test and evaluation projects
  • Modernizing military force
  • Complex simulation training systems
  • Compliance with government requirements
  • Lack of sme support for ot&e
  • Operational test and evaluation of undersea warfare systems
  • Adapting to future threats
  • Integrating emerging technologies
  • Exploring long-term military strategy
  • Interoperability between platforms

Active Projects

  • Ot&e of us navy undersea warfare systems
  • Capability requirements development
  • Supporting warfare analysis and digital modeling branch
  • Combat system simulation support for m33 branch
  • Shore-based training systems
  • Scenario development tools
  • High fidelity simulation systems for combat systems verification
  • Simulation system integration
  • Integration of emerging technologies for nato
  • Operational analysis for future threats

Hiring Activity

Decelerating65 roles · 3 in 30d

Department

Engineering
42
Ops
6
Data
4
Research
3
Security
3
Finance
2
Design
1
Logistics
1

Seniority

Senior
41
Mid
12
Manager
4
Junior
3
C-Level
1
Director
1
Lead
1

Notable leadership hires: Project Lead, Chief Systems Analyst, Emerging Technology Assessment Lead

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About SimIS Inc.

SimIS Inc., founded in 2007 and based in Portsmouth, Virginia, is a Veteran Owned Small Business providing modeling, simulation, and cybersecurity solutions to the U.S. Department of Defense. The company focuses on operational test and evaluation of naval systems, combat system simulation, scenario development, and integration of emerging technologies for NATO and DoD clients. Work spans undersea warfare systems, shore-based training platforms, and interoperability analysis. As a government contractor, SimIS operates under federal and industry compliance requirements and serves a client base of defense and intelligence agencies.

HeadquartersPortsmouth, Virginia
Company Size51–200 employees
Founded2007
Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does SimIS use?

Core modeling: MATLAB, LabVIEW, SPICE. Programming: C++, Java, Python, C#, .NET. DevOps: Jira, Azure DevOps Server, Jenkins, Puppet, Chef, Ansible. Deployment: Docker, OpenShift. Network/security: Cisco, Wireshark. Enterprise tools: Salesforce, Appian.

What is SimIS working on?

OT&E of Navy undersea warfare systems, combat system simulation for the M33 branch, high-fidelity simulation for verification, NATO emerging technology integration, scenario development tools, and shore-based training systems.

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How this profile is built

SimIS Inc.'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.