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Posted August 20, 2026

Senior Welding Engineer

Hermeus
Los Angeles, CA, US Full Time
140000USD - 200000USD per year

Job Description

Job Description
Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.

About The Role:
We are open to Senior or Principal leveling for this role. This position will support manufacturing and development of Hermeus vehicles and will help stand up welding processes, develop, qualify, and optimize welding designs and processes including but not limited to laser beam welding, gas tungsten arc welding, resistance welding, gas metal arc welding, and plasma arc welding. The welding engineer in this role will interface daily with design and manufacturing engineers to make welding judgment calls and improvements and will enforce standardized practices and procedures on multiple welded assemblies.
Responsibilities:
  • Support weld shop development to support full scale welded assemblies
  • Develop, optimize, and qualify weld processes and parameters for multiple welding processes including but not limited to laser beam welding, gas tungsten arc welding, resistance welding, gas metal arc welding, and plasma arc welding
  • Support design, manufacturing, and materials engineering with root cause analysis
  • Work closely with design, tooling, automation, and development engineers to improve welded designs for manufacturing
  • Set up welding qualification test campaigns and interpret mechanical testing and NDE results
  • Support manufacturing engineers and welders on correct techniques in a fast paced manufacturing environment
  • Develop and implement improved process control where possible using test and NDE results as feedback loop
  • Scope out new welding technologies that may be employed to improve rate/quality/efficiency
Requirements:
  • Bachelor’s degree in an engineering discipline
  • Hands-on fabrication, manufacturing, or testing experience of welded assemblies
Preferred Skills and Experience:
  • Master’s degree in welding engineering or related technical program
  • Hands on welding experience of stainless steel, nickel-based, titanium, copper, and aluminum alloys
  • Experience with brazing, joining, and metallographic interpretation
  • Fundamental understanding of welding processes including, but not limited to laser beam, plasma arc, gas tungsten arc, and gas metal arc
  • Tooling design experience for welded assemblies to reduce part distortion and improve part consistency
  • Understanding of weld strength testing methodologies, standards, and data acquisition systems used to make informed welding decisions (ASTM E8, E399, E740, ISO 15653, AWS D17.X, AWS C7.X, thermos-couples, strain gages, etc.)
  • Experience with root cause analysis and corrective actions including, but not limited to, optical and SEM fractography/metallography, hardness, chemical analysis, and mechanical testing
  • Self-motivated engineer with keen attention to detail
Physical Requirements:
  • Must be willing to work long hours and weekends as needed to support and maintain build schedules
  • Ability to perform job duties that require standing, kneeling, crouching, twisting upper body, working in cramped positions in small openings and climbing hand over hand
  • Strong ability to multi-task and communicate status and results with broad spectrum of internal and external departments

The salary range listed for this role is intended as a general guideline. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.

At Hermeus, compensation is only one part of our total rewards package. We offer competitive pay, equity, and a range of benefits designed to support our team.

Benefits:
  • Health & Wellness: 100% employer-paid healthcare and pet insurance
  • Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
  • Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
  • Office Perks: Weekly paid office lunches and fully stocked breakrooms
U.S. EXPORT CONTROL COMPLIANCE STATUS
The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.
EQUAL OPPORTUNITY
Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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