Senra, a startup building software and automation tools for wire harness manufacturing, has closed a $65 million Series B round announced July 15, 2026. The round was co-led by Lowercarbon and Interlagos, with participation from General Catalyst, Sequoia Capital, Andreessen Horowitz, and Founders Fund TechCrunch.

The company was founded in 2023 by CEO Jordan Black, a former SpaceX engineer, alongside co-founder Benjamin Shanahan. Its name derives from "harness" spelled backwards, minus the "h" and "s" TechCrunch.

Wire harnesses — the bundled cable assemblies that route power and signal through aircraft, spacecraft, vehicles, and defense hardware — remain one of the more stubbornly manual corners of hardware manufacturing. Production still leans heavily on paper schematics and technicians hand-routing and hand-lacing wires against pin-board templates, a process largely unchanged since the mid-20th century. Senra's pitch is to digitize that workflow rather than replace the underlying handwork outright.

At the center of that pitch is Amp, Senra's proprietary software platform. Amp standardizes design inputs — CAD files, wiring diagrams, bills of materials — into a common format and generates a digital twin of the harness that guides technicians through assembly on the shop floor, according to TechCrunch. The approach mirrors a pattern familiar from other hardware verticals over the past decade: rather than fully automating a process too variable and low-volume to justify hard automation, software captures institutional knowledge and pushes step-by-step guidance to human operators, narrowing the gap between novice and veteran technician output.

Senra currently produces roughly 1,000 wire harnesses per month across two factories. The company has told investors it intends to scale that to 10,000 units per month in 2027, a tenfold increase inside roughly eighteen months TechCrunch. Hitting that target will depend on both throughput gains from the Amp platform and the availability of trained labor, a persistent bottleneck in a trade that has seen little formal workforce investment.

On that front, Black has described Senra as operating what he calls the only federally certified wire harness training program in the country TechCrunch. That claim, if it holds, positions workforce development as a genuine moat alongside the software layer — a defense and aerospace supply chain that has long complained about a shortage of qualified harness technicians would have reason to route work toward whichever vendor can guarantee trained labor at scale, independent of whether that vendor's tooling is objectively superior.

The investor list is worth reading for what it signals about where this bet sits strategically. Lowercarbon's involvement points toward applications in electrified transport and clean-energy hardware, where harness complexity is rising alongside battery and motor counts. Interlagos, General Catalyst, Sequoia, a16z, and Founders Fund collectively span climate, enterprise, and defense-tech theses, suggesting Senra's addressable market spans commercial aerospace, defense primes, and electric vehicle or energy-storage manufacturers rather than a single vertical.

The broader context here is a wave of venture capital moving into what used to be unglamorous physical manufacturing niches — castings, PCB assembly, harness production, sheet metal — on the thesis that decades of underinvestment in domestic hardware supply chains left significant software and automation opportunity on the table. Defense reshoring and EV supply chain onshoring have sharpened that thesis considerably over the past few years, and a founder with direct SpaceX manufacturing experience carries obvious credibility with investors chasing that pattern.

Worth flagging: TechCrunch's reporting on Senra relies substantially on claims from CEO Jordan Black himself, including the "only federally certified" training program assertion and the production targets for 2027. None of these figures appear independently verified in the source, and manufacturing scale-up timelines in hardware — as opposed to software — have a well-documented history of slipping. A tenfold production increase inside eighteen months is an aggressive target for any physical manufacturing operation, harness assembly included.

What Senra's raise makes clear is that investors are willing to underwrite a bet on modernizing genuinely unglamorous manufacturing infrastructure, provided the founding team's operational pedigree and the addressable defense/aerospace/EV market are credible enough. Whether Amp's digital-twin approach meaningfully compresses harness lead times at the promised scale, and whether the certification program actually resolves the labor bottleneck, will be visible in whether Senra's factory count and monthly output climb toward that 10,000-unit target on schedule.