In aerospace engineering, the most expensive kilogram is the one you can't find. A satellite's design is a sprawling document, a binder of spreadsheets, CAD files, and analysis scripts that must all agree. When one parameter changes, the ripple effects are tracked by hand, a process that can eat weeks and introduce errors. Vis Viva Space, a two-person startup in Ventura, California, thinks the answer is to treat the entire spacecraft as a piece of software that can be compiled and tested [sbir.gov, Unknown].
They are building an open-source, model-based systems engineering (MBSE) tool. The idea is to apply data-oriented programming architectures to aerospace design, integrating disparate analysis models into a continuous-integration pipeline [sbir.gov, Unknown]. In practice, this means a designer could tweak a propulsion parameter and instantly see the cascading impacts on power, thermal, and structural models, all version-controlled and automatically validated. It is a bet on turning the design binder into a living, executable specification.
The Federal Wedge
For a brand-new company, the most concrete traction is a check. In 2025, Vis Viva Space received a Small Business Innovation Research (SBIR) award from NASA, totaling $166,582 [sweetspot.so, 2026]. This is not venture capital, but it is a specific, non-dilutive vote of confidence in the technical approach. The SBIR program is a classic wedge for deep tech startups targeting government-adjacent industries, providing early capital to de-risk a core technical milestone without requiring immediate commercial sales.
The company is tiny, operating with just the two co-founders [sbir.gov, Unknown]. The public record does not name them, but a LinkedIn profile suggests one may be Nathan Strange, previously a mission design engineer at NASA's Jet Propulsion Laboratory [LinkedIn, Unknown]. This background fits the problem space perfectly. The initial market is the aerospace engineering software stack, with an eye on broader complex engineering applications later [sbir.gov, Unknown].
An Honest Counterfactual
The ambition is clear, but the path is narrow. The market for engineering design software is dominated by entrenched, billion-dollar incumbents like Siemens with its Teamcenter software or Dassault Systèmes. These are monolithic platforms sold through enterprise deals to giant contractors. An open-source, niche tool must find a wedge they ignore.
- The adoption cliff. Engineers are conservative, and their tools are deeply integrated into legacy workflows. Convincing a team to adopt a new MBSE paradigm is a cultural sell as much as a technical one.
- The monetization puzzle. An open-source core is a great adoption strategy, but the commercial model for supporting complex, mission-critical aerospace work is unproven for the company. Will it be enterprise support, hosted SaaS, or proprietary modules?
- The scaling gate. With two people, the company is in pure R&D mode. Translating the SBIR work into a usable, supported product that can attract its first commercial pilot will require more hands and more capital.
The company's most plausible answer is to start small and specific. By focusing on the acute pain of design iteration within smaller satellite startups or research labs, they can prove the unit economics of saved engineering hours before taking on the Lockheeds of the world.
On paper, the efficiency argument is compelling. If a typical design iteration cycle for a subsystem is shortened from two weeks to two days, that's 10 engineering days saved per change. At a blended rate of $1,500 per engineering day, a team making just ten major design revisions in a project saves $150,000 in labor,nearly the value of their entire SBIR grant. That is the kind of math that gets a procurement officer's attention.
For Vis Viva Space to matter, it must eventually beat the inertia of the three-ring binder and the shared spreadsheet. Its real competition isn't another startup; it's the status quo of manual reconciliation, where the cost of a mistake is measured in years and billions. The SBIR grant is a first step to proving there's a better way.
Sources
- [sbir.gov, Unknown] SBIR Award for VIS VIVA SPACE LLC | https://www.sbir.gov/awards/220392
- [sweetspot.so, 2026] VIS VIVA SPACE LLC Contractor Profile | https://www.sweetspot.so/markets/federal/contractors/vis-viva-space-llc-e8PEZAW6U267/
- [LinkedIn, Unknown] Nathan Strange Profile | https://www.linkedin.com/in/nathanjstrange/