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Senior Mechanical Engineer

​* Simple Staffing is hiring for this position on behalf of GILLIG, LLC *

The Senior Mechanical Engineer is focused on the design and industrialization of content for GILLIG’s continuously evolving product line. The Senior Mechanical Engineer will have influence over complex vehicles, systems, and component level designs. Duties involve engineering assistance, problem resolution, mechanical design, BOM development, application research & other engineering duties in support of the manufacturing of heavy-duty transit buses. This person will have direct influence in the design of components and assemblies as well as mentoring other engineers within the engineering teams. This is a direct, full-time position with GILLIG.

This is a hands-on, on-site role at our Livermore, CA plant and reports to the Manager – Powertrain & Structures but may also receive direction and guidance from senior engineers.

IN THIS ROLE YOU WILL

  • Create and maintain Bills of Materials (BOM), defining appropriate application of parts & assembly; providing input on modular BOM structure to maintain and improve configuration efficiency
  • Gather information regarding supplier components, existing GILLIG designs and technological advancements to rationalize and optimize design concepts
  • Perform design trade-offs and optimization to devise robust, manufacturable, and maintainable design concepts
  • Use 2D and 3D CAD tools to create, review & release vehicle components and assemblies
  • Use analytical tools to assess your designs and others, including but not limited to stress, vibration, thermal performance, and durability
  • Gain a mastery of both Customer & Design REI releases, including significant involvement in BOM structuring, Change Control, Production Change Order (PCO), and Engineered Production Change
  • Support designs throughout the entire lifecycle, including development, production launch, variant designs & customization, and field support
  • Provide expert input working with the test engineer(s) to create DVP&R, execute the defined test plan and review the test results/reports
  • Provide technical input to technical publications
  • Collaborate and iterate designs with cross-functional partners such as electrical, controls, manufacturing engineers, as well as production personnel
  • Operate in a primary role, proposing solutions to more senior engineers or management for evaluation

SCOPE OF THE ROLE

  • Autonomy: Ability to work independently with review at critical points
  • Technically Minded: Apply industry practices and standards (NFPA, NEC, APTA, etc.) and provide input and advice to other staff members on industry practices and standards. Exhibit advanced wide-ranging experience, using in-depth professional knowledge, acumen, concepts and company objectives to develop, resolve complex models and procedures
  • Time Management: Work productively to deliver projects on schedule and on budge
  • Communication: Collaborate and teach up, down and across the organization to help raise the skills and knowledge of the GILLIG team. Adapt style to differing audiences and adept at persuasion on complex subjects
  • Complexity: Responsible for a certain set of commodities or design elements within the team. Work on problems of diverse scope where analysis of information requires evaluation of multiple factors. Devise solutions based on limited information and precedent and adapt existing approaches to resolve issues. Use engineering principles, judgment, and interpretation to select the right course of action
  • Quality & Standards: Model, drawing, and other technical documentation is accurate and complete. Released designs are cost effective, manufacturable, serviceable, meet all performance objectives, & meet customer requirements

BASIC QUALIFICATIONS

  • Bachelor or advanced degree in Mechanical Engineering
  • Minimum 5 years of experience within the Engineering industry
  • Automotive, commercial and/or heavy-duty vehicle design familiarity. Direct experience a plus
  • Fluent with BOM, documentation control, and revision/version management. Experience with a configure-to-order product and modular BOM management a plus
  • Fluency in CAD software such as NX, CREO, or SolidWorks
  • Demonstrated working knowledge of GD&T and drawing creation
  • Experience working with major component suppliers, engineering service suppliers, testing suppliers and product validation engineers
  • Fluent in the direct design of components including Design for Manufacturing (DFM), Design for Service (DFS), and cost-efficiency (Value Engineering)
  • Highly-skilled in “hands-on” troubleshooting, product assembly, prototyping, testing, and validation activities (on site and at remote locations)
  • Demonstrated experience in design, development, and optimization of vehicle structures, focusing on weight reduction, stiffness enhancement, and crash safety
  • Ability to perform moderate to complex finite element analysis (FEA) to predict structural performance under various loading conditions (static and dynamic). Understanding of fatigue analysis a plus
  • Prior experience developing suspension kinematics and compliance models
  • Exposure to utilization of simulations to predict ride and handling performance
  • Working knowledge of suspension geometry and component parameters selections to meet target performance requirements

WORK ENVIRONMENT

  • Ability to lift 25 lbs.
  • Prolonged periods of sitting/standing at a desk and working on a computer
  • Regularly required to sit, stand, and walk and occasionally kneel or squat
  • The ideal candidate must be able to complete all physical requirements of the job with or without a reasonable accommodation.
  • Must be able to navigate manufacturing environment, comfortable around heavy machinery, tools, etc.
  • Must be able to wear Personal Protective Equipment, (i.e. safety glasses, bump caps, hearing protection, etc.)
  • Less than 10% travel required
  • Standard start time: 6:00 am (negotiable)

 

 

Average salary estimate

$130000 / YEARLY (est.)
min
max
$110000K
$150000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
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HQ LOCATION
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EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
November 6, 2025
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