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Manufacturing Engineer

TriMas Corporation
medical insurance, dental insurance, life insurance, vision insurance, paid time off, sick time
United States, California, El Cajon
Apr 27, 2026

Manufacturing Engineer

Company: RSA Engineered Products LLC

Primary Location: 1451 N Johnson Ave, El Cajon, CA 92020 USA

Workplace Type: On-site

Employment Type: Salaried | Full-Time

Function: Engineering

Equal Opportunity Employer Minorities/Women/Veterans/Disabled

Main Duties & Responsibilities

Summary:
PennAero is hiring a Manufacturing Engineer at our Weldmac Manufacturing location in El Cajon, CA. Weldmac Manufacturing delivers complex formed and welded metal assemblies for aerospace, defense, space launch, and power-generation applications. Since 1968, Weldmac has combined heavy forming, CNC machining, advanced welding, and laser processing to solve large-scale fabrication challenges with repeatable precision.
About PennAero:
PennAero is a leading manufacturer of highly engineered fasteners and specialized components for critical aerospace, defense, space, and advanced energy applications. We partner with customers to solve their most complex challenges, bringing technical depth and disciplined, agile execution when it matters most. Experience guides our growth-strengthening capabilities and expanding our global platform as markets evolve. To learn more about PennAero's capabilities and commitment to aerospace excellence, visit https://pennaero.com

Job Description:
Plan, direct, control, and manage the activities involved with manufacturing
processes to meet production requirements of a contract or program between the
company and customer to ensure that fulfillment of all contractual and program
requirements is met. Help plan and drive tooling requirements and improvements
to increase output, improve quality and reduce cost.

Principal Duties & Responsibilities:
Develop, evaluate, improve, and document manufacturing processes.
Improve quality and efficiency within Operations and Manufacturing processes
through Continuous Improvement Initiatives
Design and implement production assembly fixtures and tooling.
Analyze manufacturing process flows to enhance quality, cost reduction, and
productivity.
Collaborating with all departments regarding product design to ensure effective
production methods.
Ability to clearly write or edit technical documentation and assembly or
process instructions.
Help trouble-shoot and drive root cause analysis.
Conform to company safety policies and procedures.
Work in both standalone and team environments to discover and implement
solutions.
Analytical problem solving on manufacturing floor.
Working across our teams to ensure alignment of schedules and activities.
Conduct regular review meetings to ensure team and schedule alignment.
Lead efforts from product and process development though transition to
production manufacturing.
Engage suppliers to ensure a smooth interface between our development teams.
Assist operations teams to research and resolve customer problems.
Lead and support implementation of Lean Manufacturing principles.
Facilitate communication between management team and customers.
Conform to company safety policies and procedures.
Other duties as needed

This role is required to be
on-site 5 days at the El Cajon, CA location.


Qualifications

Minimum Education and Experience:

Bachelor's or master's degree
in Mechanical, Manufacturing, Industrial, or Aerospace or can demonstrate
exceptional talent, experience and results in lieu of a degree.
5 -10 years' experience in related field with 2-5 years' experience in
manufacturing complex aerospace components
Experience in metal processes (forming, cutting, welding, etc.) - metallic
structure manufacturing preferred.
Experience with creating and evaluating 3D models using SolidWorks (preferred)
or other 3D CAD software
Must be able to read and interpret blueprints and specifications.
Must be able to initiate, work through and close short- and long-term projects
according to project schedule.
Must have ability to perform with ambiguous and incomplete information in a
fast-paced environment.
Strong knowledge of Lean Manufacturing and CI, experience in using CI tools
such as Value Stream Maps, SPC, PFMEA, 5S.
Analytical problem solving, critical thinking, and being hands on are a must.

Essential Physical/ Mental Abilities Required:

Employee is regularly required to sit for long periods of time, occasionally
required to walk, climb stairs, stoop, use hands to finger (keyboard), stand
for extended periods of time on a shop floor, talk and hear. The employee will
occasionally lift and/or move up to 10 pounds.
Reasonable accommodations may be made to enable individual with disabilities to
perform the essential functions of the job.

Other Skills:

Analytical problem solving, critical thinking, and being hands on are a must.
Microsoft Office & Project

This role involves access to technical data and/or hardware subject to U.S. export control laws and regulations, including the International Traffic in Arms Regulations (ITAR) and the Export Administration Regulations (EAR). In order to comply with these laws, employment is contingent upon verifying your status as a "U.S. Person" as defined by 22 C.F.R. * 120.15, or obtaining any required government authorization.

Compensation

In compliance with all states and cities requiring transparency of pay, the expected pay range for this position is $100,000 - $120,000.

Compensation can vary depending on several factors, including a candidate's qualifications, skills, experience, competencies, and geographic location. Some roles may qualify for extra incentives like equity, commissions, or other variable performance-related bonuses. Further details will be provided by our recruiting team during the interview process.


Benefits

Benefit offerings include Medical Insurance and Prescription Drugs, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Life Insurance, Short-Term Disability, Long-Term Disability Insurance (for eligible employees), Employee Assistance Plan (EAP), Paid Time Off (may include vacation and sick time), Retirement Program, and Other Voluntary Benefits.

Click here for more information: www.trimasbenefits.com

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