Defense Business Development Manager, Commercial Programs

What we're building The marine industry spans weekend recreation, global commerce, and national defense. And yet it runs on technology that hasn't meaningfully changed in fifty years. Until now. Arc is on a mission to electrify the marine industry. We're rethinking propulsion, powertrain, software, and the ownership model from first principles. And we're already executing. On the consumer side we've gone from our first boat to scaled production with new models launching. On the commercial side we're moving across tugs, ferries, and defense with a $160M contract delivering this year and a pipeline that spans every vessel type on the water. The technology is proven, the momentum is real, and the opportunity is enormous. The marine industry is going electric and Arc is building the platform that powers it. Who we're looking for We're looking for someone who's fired up by our mission and ready to build. You'll thrive here if you adapt quickly, take ownership, and care about the details. This is a full-time, on-site role at our Los Angeles headquarters with up to 75% travel. You'll report to Commercial Build Engineer and work closely with a lean, high-trust team where everyone's work matters. Core responsibilities Assembling and integrating electrical and mechanical systems Building and routing wire harnesses, including fiber optic cable assemblies where applicable Installing and terminating electrical components and communication interfaces (CAN, Ethernet, Modbus, etc.) Diagnosing electrical issues in 1000V DC and 480V AC systems Assembling pneumatic and hydraulic systems Assembling cooling systems Supporting development builds and prototype systems Supporting sea trials, deployments, and customer-facing technical operations Performing root-cause troubleshooting with the ability to provide efficient resolutions Basic qualifications 4+ years of experience working with high-voltage systems (EV, industrial, marine, or similar) Familiarity with electrical communication systems (CAN, Modbus, Ethernet, or similar) Experience reading and interpreting electrical schematics, system diagrams, and mechanical drawings Experience using standard electrical diagnostic tools (multimeters, etc.) to verify system functionality Experience building processes from the inception to execution to include work instruction documentation Up to 75% travel (local + occasional remote), including dockside and on-water work environments Able to stand 6-10 hours per day and lift up to 50 lbs Able to board and work in, around and on water vessels This position may require access to export-controlled information. To comply with U.S. export control laws, applicants must be a U.S. Person as defined by the International Traffic in Arms Regulations (ITAR) (22 CFR §120.15). Bonus qualifications Experience with commercial marine vessels a plus Experience in a fast-paced product development or startup environment Comfortable pushing at a fast but sustainable pace Enthusiasm for boating and the water At Arc, we encourage diversity and consider all qualified applicants equally for employment, regardless of background, identity, or status. You're always welcome to reach out even if you don't meet many of these qualifications. Passion and aptitude make up for a lot. Our values We move with urgency and build with care. We value these five things above all else: Ownership over both your work and the company's success Empathy for colleagues and for customers Humility in problem solving and collaboration Pragmatism for navigating ambiguity quickly and sensibly Inclusion of different backgrounds, opinions, cultures, and perspectives. We want people who share and embody these values. It is vital that our values align - we'd be happy to elaborate on any or all of these during the interview process. What we offer We don't think great work happens by accident. We invest in the people building Arc - because when you're supported, you do your best work. Hourly wage: S3: $46/hr S4: $50/hr Ownership - Equity in Arc 99% employer-paid health coverage - Medical, dental, and vision Arc Water Fund - Annual stipend to get out on the water, however you choose Captain Training - Get certified to take the boat out with friends and family 401(k) access - Plan your future Semi-annual bonuses - Tied to your impact, not just your tenure Daily team lunches, snacks, and good coffee while onsite Parental leave - Because family comes first Boat days - Yes, we actually go out on the water. A lot. A chance to define the future of boating The ability to drive positive environmental change through your work Hope to hear from you soon! The Crew at Arc "])