Lead Manufacturing Engineer, Vehicle Assembly Huntington Beach, California, United States

Lead Manufacturing Engineer, Vehicle Assembly

Huntington Beach, California, United States

About Mach Industries

Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition.

Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.

The Role

Mach Industries is seeking a Lead Manufacturing Engineer to own the Vehicle Assembly system and production launch for our autonomous defense vehicles. You will deliver the factory designs, stations, tooling, conveyance, and automation needed to go from late-stage prototype builds to full-rate production at Mach's Forge factories, at world-class first-pass yield and production rates.

As a technical lead for vehicle assembly, you'll work closely with Build Engineering, Design Engineering, Manufacturing Operations, Quality, Automation Engineering, Supply Chain, Material Flow, and outside equipment vendors. This is a hands-on technical role with direct reports. You'll shape product designs early, lead builds and production ramps, and mentor a growing team of manufacturing engineers. This role suits an engineer who takes full ownership, solves problems from first principles, and moves quickly without compromising safety or quality.

Key Responsibilities

Launch Ownership and Cross-Functional Readiness

• Serve as an extreme owner of the production launch, from late-stage prototype builds through full-rate production. Own the integrated launch schedule, the readiness criteria for each build phase, and the go/no-go recommendation for each build.
• Run regular launch-readiness reviews using a shared schedule and risk register that covers every team. Make sure each open item has an owner, due date, and recovery plan.
• Find risks to the ramp early, such as late design changes, part shortages, or equipment delays. Put mitigation or containment in place before they affect production, using options such as interim tooling, manual processes, or changes to build sequence.
• Give leadership clear, data-based updates on launch status. Escalate unresolved risks with their impact, the options, and a recommendation.
• Own the launch outcome. Make sure the line reaches its rate, quality, and cost targets on schedule, and lead the recovery when it falls short.

Design for Assembly and Virtual Builds

• Lead design for manufacturing and assembly (DFM/A) reviews at the part, assembly, and system level. Drive part-count reduction, simpler assembly, error-proofing (poka-yoke), built-in quality, and lower cost into vehicle designs.
• Run virtual builds with cross-functional teams to check assembly sequence, hand and tool clearance, GD&T, tolerance stack-ups, and part presentation. Support these reviews with static and kinematic assembly simulations.

Assembly System and Equipment

• Define the Vehicle Assembly system, including sequence, station content, line balance, cycle time, and headcount and equipment capacity. Record in a linked manufacturing bill of materials (MBoM), bill of process (BoP), and bill of equipment (BoE).
• Lead make-vs-buy studies with Supply Chain to secure suppliers that can deliver at rate and keep parts arriving on time.
• Estimate cycle times with predetermined motion time systems (MODAPTS, MOST, or MTM), and design stations that meet NIOSH ergonomic guidelines.
• Develop Vehicle Assembly line layouts with Factory Design, Facilities, and EHS, making the best use of floor space, material flow, and safety, and leaving room for future growth.
• Build capital and operating cost estimates and return-on-investment cases for assembly equipment, and provide process input to requests for quote (RFQs). Take part in vendor design reviews, factory acceptance testing (FAT), and site acceptance testing (SAT) to confirm equipment meets process requirements before production handoff.

Build Execution, Ramp, and Production

• Plan and lead prototype builds and manufacturing trials across Mach’s Huntington Beach and Texas mass-production factories. Design and deliver prototype tooling, and apply lessons learned to the production line design.
• Validate processes and equipment through capability studies (Cp/Cpk), gage repeatability and reproducibility (GR&R), error-proofing checks, and acceptance criteria.
• Release controlled work instructions and quality gates in the manufacturing execution system (MES). Lead the line through ramp to full rate and quality. Provide daily floor support, track first-pass yield, OEE, and cycle time, and remove constraints quickly.

Technical Leadership

• Set technical direction and engineering standards for Vehicle Assembly, and review other engineers' work for quality and consistency.
• Mentor manufacturing engineers, share knowledge across teams, and help hire as the team grows.

Required Qualifications

• Bachelor's degree in Mechanical, Manufacturing, Industrial and Systems, Aerospace, or Electrical Engineering, or equivalent experience.
• 7+ years of manufacturing engineering experience, including leading complex assembly lines from concept through full-rate production.
• Experience running integrated launch schedules, build-phase readiness reviews, and risk registers from start to finish.
• Hands‑on experience specifying, installing, and commissioning assembly equipment, conveyance, tooling, and fixtures, including vendor FAT and SAT.
• Strong knowledge of line design, line balancing, cycle-time analysis, capacity planning, OEE, ergonomics, and error‑proofing.
• Proven use of first‑principles DFM/A on complex products.
• Experience with PFMEA, control plans, SPC,, and structured problem‑solving.
• Proficiency in 3D CAD (Siemens NX, CATIA, or SolidWorks) and AutoCAD factory layouts.
• Proven ability to lead technical projects, mentor engineers, and make sound decisions with incomplete information in a fast‑moving environment.
• Exceptional written and verbal communication skills, including presenting risks and recommendations to leadership.

Preferred Qualifications

• Experience in high‑rate automotive Vehicle Assembly, aerospace, or defense manufacturing.
• Experience with structured launch frameworks such as APQP or AS9145.
• Experience with manufacturing process planning tools (such as Heliux, DELMIA, or EasyPlan) and MES platforms.
• Working knowledge of PMTS methods and NIOSH ergonomic standards.
• Experience launching a new factory or building up a startup's manufacturing operations.
• Experience working in an ITAR‑controlled environment.

Additional Requirements

• Available to work extended hours and weekends as needed.

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here .

$140,000 - $180,000 USD

At Mach, we believe that compensation is more than just a paycheck. It's a comprehensive package designed to reward the time, skills, and expertise you bring to our team. We are committed to offering competitive compensation that is equitable, transparent, and aligned with market trends.

Key Elements of Our Compensation Philosophy:

• Competitive Salaries : We continuously research market rates to ensure our salaries are competitive with those in our industry and geographic location.
• Performance‑Based Incentives : Our bonus structure is tied to both individual and company performance, creating a win‑win scenario that motivates our team members to excel.
• Equity Participation : We offer stock options or equity to employees, ensuring that you share in the success and growth of the company.
• Benefit Packages : Our benefits include healthcare, dental and vision plans, retirement savings, and paid time off, because we understand that your well‑being extends beyond the office.
• Professional Development : We allocate funds for continuing education, training, and career growth.
• Transparency : We are committed to openness about our compensation tiers and how decisions are made, ensuring trust and mutual respect.

By joining Mach, you’re not just accepting a job—you’re becoming a key part of a team that values your contributions and invests in your growth. Together, we aim to create a rewarding environment that sets the stage for long‑term success.

This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

Mach participates in E‑Verify and will provide the federal government with your Form I‑9 information to confirm that you are authorized to work in the U.S.

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on (but not limited to) work experience, education and training, critical skills, and business considerations. Highly competitive equity grants are included in most offers and are considered part of Mach’s total compensation package. Mach offers benefits such as health insurance, retirement plans, and opportunities for professional development.

Mach is an equal opportunity employer committed to creating a diverse and inclusive workplace. All qualified applicants will be treated with respect and receive equal consideration for employment without regard to race, color, creed, religion, sex, gender identity, sexual orientation, national origin, disability, uniform service, Veteran status, age, or any other protected characteristic per federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws. If you’d like to defend the American way of life, please reach out!

Voluntary Self‑Identification

For government reporting purposes, we ask candidates to respond to the below self‑identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Mach Industries’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three‑year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.