Build Engineer

Mach-Industries; Los Angeles (CA); On-site; USD 105,000 - 180,000; Full time

Job summary

Mach Industries is seeking a Build Engineer in Huntington Beach, California to own the transformation of products from new designs to reality. You will collaborate with Product Engineering and Manufacturing to build first articles, enable rapid design iteration, and capture lessons that shape production readiness.

This hands-on role demands resourcefulness, speed, and technical rigor as you bridge design and manufacturing, ensuring manufacturability, cost-efficiency, and reliability in

Qualifications

• Bachelor’s degree in mechanical, aerospace, manufacturing engineering, or equivalent.
• 1+ years in production manufacturing, process engineering, or industrialization.
• Strong troubleshooting, problem‑solving, and communication skills.
• Familiarity with GD&T, tolerance analysis, and process capability.
• Hands‑on experience with shop floor processes (machining, welding, composites, additive manufacturing, assembly, test).
• Willingness to be on the floor daily, working shoulder‑to‑shoulder with technicians.

Responsibilities

• Act as the engineering owner for prototype builds across multiple products.
• Translate design intent into practical build steps, processes, and checklists for technicians.
• Debug and resolve design/manufacturability issues directly with design engineers.
• Actively participate in design reviews to ensure manufacturability of design concepts.
• Capture lessons learned and feed them back into the design and production system.
• Source and coordinate quick‑turn parts and prototype tooling.
• Partner with technicians to train, enforce standard work, and improve safety/ergonomics.

Skills

Troubleshooting

Communication

Education

Bachelor’s degree in mechanical, aerospace, manufacturing engineering, or equivalent experience

Tools

GD&T

Tolerance analysis

Process capability

Job description

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 Build Engineer to own the transformation of our products from new designs to reality. In this role, you will work closely with the Product Engineering and Manufacturing teams to build first articles, enable rapid design iteration, and capture critical lessons that shape how products mature into production. This is a hands‑on role that demands resourcefulness, speed, and technical rigor.

At Mach Industries, we are building decentralized, autonomous systems to maintain an allied American edge in modern warfare. As a Build Engineer, you will play a pivotal role in proving out design concepts through the initial manufacturing phase. Working with a world‑class engineering team, you will bridge the gap between design and manufacturing, delivering solutions that ensure manufacturability, cost‑efficiency, and mission‑critical reliability.

Key Responsibilities

Act as the engineering owner for prototype builds across multiple products.

Translate design intent into practical build steps, processes, and checklists for technicians.

Debug and resolve design/manufacturability issues directly with design engineers.

Actively participate in design reviews to ensure manufacturability of design concepts.

Capture lessons learned and feed them back into the design and production system.

Source and coordinate quick‑turn parts and prototype tooling.

Partner with technicians to train, enforce standard work, and improve safety/ergonomics.

Required Qualifications

Bachelor’s degree in mechanical, aerospace, manufacturing engineering, or equivalent experience.

1+ years in production manufacturing, process engineering, or industrialization (internship and school projects experience qualifies).

Strong troubleshooting, problem‑solving, and communication skills.

Familiarity with GD&T, tolerance analysis, and process capability.

Hands‑on experience with shop floor processes (machining, welding, composites, additive manufacturing, assembly, test).

Willingness to be on the floor daily, working shoulder‑to‑shoulder with technicians.

Preferred Qualifications

Experience in aerospace, defense, automotive, or other high‑rate production environments.

Ability to operate autonomously in ambiguity with minimal documentation.

“Get it built” mindset with a bias for speed.

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 ITARhere .

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about ITARhere.

$105,000 - $140,000 USD

$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!