Hydraulic Systems Engineer – Hydraulic Cylinder Resourcing and Redesign

About JLG an Oshkosh company

JLG began in 1969 when our founder John L. Grove set out to resolve growing safety concerns in the construction industry. Since then we have been committed to understanding the challenges and delivering innovative solutions to the access market. We partner with customers to provide quality equipment training opportunities and trusted support within the access industry. We are a global company and our productsincluding mobile elevating work platforms telehandlers utility vehicles and accessoriescan be found all over the world.

We are seeking a Hydraulic Systems Engineer to lead hydraulic cylinder resourcing redesign validation and production release activities for mobile equipment and other hydraulic systems.

The engineer will be responsible for managing cylinder-related projects from initial scope definition through design approval testing documentation and engineering change release. This position requires close collaboration with internal engineering teams supply chain manufacturing quality test organizations and hydraulic cylinder suppliers.

The ideal candidate has a strong understanding of hydraulic cylinder design mobile hydraulic systems engineering validation supplier development and configuration control.

YOUR IMPACT

• Lead hydraulic cylinder resourcing and redesign projects from project initiation through production implementation.
• Develop project plans schedules milestones deliverables resource requirements and risk-mitigation actions.
• Define technical functional performance durability packaging interface environmental and regulatory requirements for hydraulic cylinders.
• Review existing cylinder designs field performance failure history warranty data manufacturing concerns and cost-reduction opportunities.
• Develop engineering specifications statements of work technical requirements and supplier request-for-quotation documentation.
• Collaborate with hydraulic cylinder suppliers to evaluate design concepts manufacturing capabilities quality controls cost capacity and technical feasibility.
• Provide suppliers with technical direction related to cylinder geometry mounting interfaces stroke bore and rod sizing operating pressure structural loads sealing systems materials surface treatments porting cushioning position sensing and environmental protection.
• Review and approve supplier design proposals drawings calculations tolerance studies material selections sealing arrangements and design-analysis results.
• Perform or review hydraulic mechanical structural fatigue buckling pressure and load calculations as required.
• Ensure proposed cylinder designs meet machine-level performance safety reliability serviceability manufacturability and cost objectives.
• Lead design reviews with cross-functional stakeholders and document decisions risks open issues and required actions.
• Define cylinder design-validation plans and acceptance criteria based on application requirements duty cycles failure modes and applicable standards.
• Establish validation requirements for proof pressure burst pressure internal and external leakage drift friction breakaway pressure durability fatigue side loading buckling corrosion resistance temperature exposure contamination tolerance cushioning and position-sensor performance.
• Coordinate prototype builds test-cylinder procurement laboratory testing machine testing field validation and supplier testing.
• Work with test engineers and suppliers to develop test procedures instrumentation plans duty cycles data-acquisition requirements and test reports.
• Review test results identify failure mechanisms lead root-cause investigations and coordinate corrective design actions.
• Apply engineering tools such as Design Failure Mode and Effects Analysis tolerance analysis design reviews and structured problem-solving methods.
• Confirm that corrective actions and design changes are validated before production release.
• Create review and maintain engineering documentation including specifications drawings interface-control documents bills of material calculations validation plans test reports and design-review records.
• Prepare and release Engineering Change Notices or Change Notices in accordance with the companys product-development and configuration-management processes.
• Coordinate implementation of approved changes with supply chain manufacturing quality service and production teams.
• Support production launch supplier part approval first-article inspection pilot builds and resolution of manufacturing or assembly issues.
• Provide technical support for supplier quality concerns production deviations warranty issues and field failures involving hydraulic cylinders.
• Identify opportunities to improve cylinder reliability performance commonality manufacturability serviceability lead time and cost.
• Maintain awareness of hydraulic cylinder technologies sealing systems coatings manufacturing processes sensing technologies and industry best practices.

Required Qualifications

• Bachelors degree in Mechanical Engineering Agricultural Engineering Mechatronics Engineering or a related engineering discipline with five (5) or more years of relevant experience in hydraulic systems hydraulic cylinders fluid power components or mobile-equipment engineering.

Preferred Qualifications

• Working knowledge of hydraulic cylinder design principles including:
  • Bore rod stroke and force calculations
  • Column strength and rod-buckling analysis
  • Pressure containment and structural loading
  • Sealing systems and leakage control
  • Bearing and wear-band design
  • Materials heat treatment coatings and surface finishes
  • Welding machining and cylinder manufacturing processes
  • Mounting alignment side loading and pin-joint interfaces
• Experience reviewing engineering drawings geometric dimensioning and tolerancing tolerance stacks and bills of material.
• Experience developing engineering requirements validation plans test procedures and acceptance criteria.
• Experience working directly with component suppliers on technical development or product-resourcing projects.
• Experience coordinating prototype builds laboratory testing machine testing and design-validation activities.
• Understanding of engineering change-control and product-release processes.
• Strong analytical problem-solving project-management and technical communication skills.
• Ability to manage multiple projects and priorities while working effectively across functional and organizational boundaries.
• Proficiency with Microsoft Office applications and engineering documentation systems.

• Experience with hydraulic systems used in aerial work platforms telehandlers construction equipment agricultural equipment material-handling equipment or other off-highway machinery.
• Experience leading hydraulic cylinder resourcing supplier transition localization cost-reduction or redesign programs.
• Familiarity with hydraulic system simulation finite element analysis fatigue analysis or cylinder-sizing software.
• Experience with three-dimensional CAD and product lifecycle management systems.
• Knowledge of Design Failure Mode and Effects Analysis Design for Manufacturability and Assembly Advanced Product Quality Planning Production Part Approval Process and supplier-quality processes.
• Familiarity with applicable hydraulic cylinder fluid-power structural welding material and testing standards.
• Experience investigating cylinder failures such as seal leakage rod scoring corrosion tube damage weld cracking rod buckling bearing wear excessive drift sensor failure or mounting-joint damage.
• Professional Engineer certification or fluid-power certification is beneficial but not required.

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Pay Range:

The above pay range reflects the minimum and maximum target pay for the position across all U.S. locations. Within this range individual pay is determined by various factors including the scope and responsibilities of the role the candidates experience education and skills as well as the equity of pay among team members in similar positions. Beyond offering a competitive total rewards package we prioritize a people-first culture and offer various opportunities to support team member growth and success.

Oshkosh is committed to working with and offering reasonable accommodation to job applicants with disabilities. If you need assistance or an accommodation due to disability for any part of the employment process please contact us at

Oshkosh Corporation is a merit-based Equal Opportunity opportunities are open for application to all qualified individuals and selection decisions are made without regard to race color religion sex national origin age disability veteran status or other protected characteristic. To the extent that information is provided or collected regarding categories as provided by law it will in no way affect the decision regarding an employment application.

Oshkosh Corporation will not discharge or in any manner discriminate against employees or applicants because they have inquired about discussed or disclosed their own pay or the pay of another employee or applicant. However employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information unless the disclosure is (a) in response to a formal complaint or charge (b) in furtherance of an investigation proceeding hearing or action including an investigation conducted by the employer or (c) consistent with Oshkosh Corporations legal duty to furnish information.

Certain positions with Oshkosh Corporation require access to controlled goods and technologies subject to the International Traffic in Arms Regulations or the Export Administration Regulations. Applicants for these positions may need to be U.S. Persons as defined in these regulations. Generally a U.S. Person is a U.S. citizen lawful permanent resident or an individual who has been admitted as a refugee or granted asylum.