---
title: 'Solutions Engineer at Flox'
canonical: 'https://feeny.ai/job/solutions-engineer-flox-new-york-bqp3z4k2s1wq'
type: 'job'
last_seen: '2026-10-17'
---

# Solutions Engineer at Flox

- **Company:** Flox
- **Location:** New York, NY
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-04-27
- **Last confirmed live:** 2026-10-17
- **Apply:** https://jobs.ashbyhq.com/flox/70d9f106-7c50-4834-b56d-370c31957237

## Job description

Location: NYC Employment Type: Full-Time Reports To: Head of Business Travel: up to 30%

## About Flox

Flox is a Series B startup rethinking how developers build, ship, and reproduce software environments. We're backed by top US VCs and running in production at Fortune 100 companies. Under the hood we're built on Nix, one of the largest open source projects in the world, and our job is to turn that power into something every engineering team can pick up and use on day one. We ship fast, work in the open, and believe the best technical arguments are the ones you can demo.

## The Role

We're hiring a Solutions Engineer to support the full-stack of sales from discovery to close. You're the person who can sit across from a staff engineer at a Fortune 5 company, open a terminal, and earn trust in the first ten minutes. Flox has strong inbound, so you'll run multiple evaluations in parallel and need to hold quality across all of them. Execution without judgment produces noise. Narrative without a working demo produces slideware. We want both.

## What you'll do

- Technical sales from discovery to close. Partner with sales to run discovery, shape solutions, and serve as the technical counterpart in every evaluation.
- Win deals through technical credibility. Build trust with engineers and decision-makers through deep understanding and value creation. Scope, execute, and drive proofs of concept to clear technical wins, with defined success criteria and a path to purchase.
- Build and maintain demo environments. Stand up and adapt demos against real stacks — cloud infra, CI/CD, containers, Kubernetes, and Nix-based workflows — and keep a library of environments ready to meet customers where they are.
- Tell the story and produce durable collateral. Craft the narratives, analogies, and reference architectures that make Flox click for different audiences (platform, security, leadership). Demo repos, integration guides, reference architectures, and runbooks — the artifacts that make the next deal easier than the last one.
- Represent Flox in public. Conference talks, meetups, customer workshops, booth duty.

## What we're looking for

- 8+ years in Sales Engineering, Solutions Engineering, or a hands-on technical customer-facing role at a developer tools, infrastructure, or devex company.
- Technical depth, terminal-native. You read and write code, debug a stack trace on a shared screen, and build prototypes to customer spec without calling in an engineer. Working proficiency in at least two of: Python, Node/TypeScript, Go, Ruby, Rust.
- Strong communication skills. Clear, direct writing and speaking. You can explain a gnarly technical concept to a staff engineer and a VP in the same meeting, and adjust on the fly.
- Comfort across varied demo environments. You can stand up, adapt, and troubleshoot demos against whatever stack a customer puts in front of you, and you have opinions about what makes a demo land.
- A repertoire of stories and POCs you can point to. Specific demos you've built, evaluations you've run, and technical wins you've closed.
- Deep fluency in the surrounding ecosystem. Containers, Kubernetes, Docker internals, CI/CD pipelines, and cloud infrastructure. You can credibly place Flox alongside the tools customers already use and explain where it fits.
- Ability to run multiple evaluations in parallel without dropping threads.
- Strong bias to action and execution.

## Nice to have

- Prior experience at an early-stage startup (Seed–Series B).
- Experience with virtual environments and dev containers
- Familiarity with Nix, or a genuine curiosity to go deep on it.
- Background in financial services, cybersecurity, supply chain security, or SBOM tooling.

## About Flox

## Company Overview
- **One-liner**: Flox provides a software environment platform that delivers cryptographically pinned, reproducible environments across the entire software lifecycle, from developer laptops to production.
- **Entity Type**: Private (Funding Stage: Series A)
- **Headquarters**: New York, New York, USA; with a secondary office in Godalming, England, UK
- **Founded**: 2020
- **Founders**: Ron Efroni (CEO) and Michael Brantley (CTO)

## Core Business
- Primary industry: Developer Tools / DevOps / Software Supply Chain Security
- Target customers: B2B, serving Platform Engineering teams, DevX teams, Security/AppSec teams, and individual Developers in enterprises of all sizes.
- Mission or purpose statement: To help teams focus on building fast by providing reproducible environments that span the entire software lifecycle, making Nix accessible and adoptable for professional organizations.

## Products & Services
- **[Flox CLI & FloxHub]**: The core open-source CLI (licensed under GPLv2) that allows developers to create, share, and manage declarative, reproducible software environments. FloxHub is a hosted environment registry for sharing and discovering environments. The platform is built on Nix, managing the lifecycle of packages and environments across an entire organization. It supports macOS, Linux, and Windows (via WSL2).

## Market Standing
- **Valuation/Market Cap**: Not disclosed.
- **Key Metric**: Total Funding of $27 million.
- **Notable Investors/Partners**: Backed by DESCOvery (the D. E. Shaw group's venture studio), NEA, Hetz Ventures, Addition Ventures, and angel investors including Thomas Dohmke (former GitHub CEO), Guy Podjarny (Snyk founder), and James Turnbull (former VP Docker, CTO Sotheby's).
- **Growth Signals**: Originated from one of the largest enterprise Nix deployments in the world at the D.E. Shaw group. Has a growing list of open positions including Developer Relations Lead, Security Engineer, and Solutions Engineer, indicating expansion.

## Competitive Advantages
- **Built on Nix with Zero Learning Curve**: Provides all the power of Nix for reproducibility and supply chain security without requiring engineers to learn Nix. The environment is defined in a simple TOML file.
- **Reproducibility by Construction**: Every environment is defined declaratively with cryptographically pinned, content-hashed inputs, eliminating "works on my machine" errors across laptops, CI, and production.
- **Full Lifecycle Management**: Uniquely covers the entire software lifecycle from development through CI to production, with features like `flox containerize` to ship environments as OCI images.
- **AI-Ready**: Offers deterministic environments for AI coding agents (Claude Code, Cursor, Copilot, Codex), allowing generated code to build and run consistently on every run.
- **Strong Security Posture**: SBOMs, automated CVE patching, software composition analysis (SCA), and dependency provenance are inherent features of the platform.

## Strategic Focus
- **Enterprise Adoption of Nix**: Dedicated to making Nix accessible and scalable for professional engineering teams, solving the fundamental challenge of software determinism and repeatability.
- **Software Supply Chain Security**: Prioritizing security and compliance features (SBOMs, provenance, traceability) as core differentiators for enterprise customers.
- **AI Integration**: Actively building capabilities for AI coding agents to run in deterministic environments, as highlighted by their "Build with AI, Ship with Flox" messaging and MCP (Model Context Protocol) support.
- **Open Source Community**: Maintaining a strong open-source core (GPLv2) while building commercial SaaS products on top. Actively engaging the community via GitHub, Discourse, Slack, and a VS Code extension.

## Why Work Here
- **High-Impact Mission**: Opportunity to work on fundamentally reimagining how software is built and managed, tackling the critical industry problems of reproducibility and software supply chain security.
- **Strong Founding Team & Backing**: Led by experienced founders with deep ties to the D.E. Shaw group and backed by top-tier venture capital (NEA, Addition). The company has a strong product-market fit within the Nix ecosystem.
- **Remote-Hybrid Friendly**: They have a geographically distributed team with offices in NYC and the UK, suggesting a flexible work environment. The careers page lists fully remote-friendly roles like Developer Relations Lead and Security Engineer.
- **Engineering-Centric Culture**: The company is deeply technical, built by engineers for engineers. The team includes experts from Docker, Snyk, and other major DevOps companies. The open-source nature of the platform means engineers contribute to a project that's widely used.
- **Growth Stage Opportunity**: As a Series A company, it offers the chance to join a growing team early, shape the product, and have significant ownership over their work. Current open positions include Engineering, Product, Marketing, and Operations roles.

## Sources
1. [flox.dev](https://flox.dev/)
2. [flox.dev/about](https://flox.dev/about/)
3. [flox.dev/careers](https://flox.dev/careers/)
4. [github.com/flox/flox](https://github.com/flox/flox)
5. [craft.co](https://craft.co/flox-dev)

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