Helper Autodesk Inventor Designer Jobs in Picayune, MS

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There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a skilled  Mechanical Engineer to join our Water business line, specializing in large scale mechanical engineering projects to be based anywhere in the United States. In this role, you will design, develop, and oversee the design of large-scale mechanical systems that are critical to water infrastructure.

You will work on a variety of complex projects involving water control structures such as vertical lift gates, radial gates, sluice gates, Tainter gates, sector gates, bulkheads, and stoplogs.  Additionally, you will be involved with sizing and specifying winches, wire rope and chain hoisting systems, hydraulic, pneumatic and electric actuators, gear systems, and other precision mechanisms associated with these gates, delivering solutions that meet the highest standards of performance and reliability.  Familiarity with various types of cranes, including Overhead Gantry Cranes and Rail Mounted Gantry Cranes that are associated with these structures is a plus.  The ideal candidate will also have experience with large pumps and pumping stations and be experienced with Autodesk CAD software.

Key Responsibilities

• Design and develop large-scale mechanical systems for water infrastructure projects.
• Create 3D models using Autodesk Inventor, Autodesk Revit or other mechanical design software for use in design drawings.
• Size and select hoists, actuators and associated waterworks mechanical systems.
• Conduct engineering calculations and analysis to ensure structural integrity and mechanical performance according to industry standards and specifications.
• Review and approve engineering drawings and vendor submittals.
• Collaborate with multidisciplinary teams including Civil, Structural, and Electrical Engineers.
• Ensure designs comply with applicable codes, standards, and client requirements.
• Prepare technical reports, specifications, and documentation.
• Support proposal development by providing technical input.
• The ability to travel a few times a year for site visits and meetings with clients.

Minimum Requirements

• Bachelor’s Degree from an ABET accredited Mechanical Engineering university program and 6+ years of relevant experience or demonstrated equivalency of experience and/or education.
• Professional Engineering licensure in the United States or abilty to obtain licensure within two years

Preferred Experience

• 10+ years of mechanical engineering design related to water, infrastructure, or similar industrial mechanical equipment.
• Experience with locks, dams and other large water works structures.
• Ability to work independently with guidance.
• The ability to travel a few times a year for site visits and meetings with clients.
• Mechanical design experience of gates, hoisting mechanisms, actuators or large-scale mechanical systems.
• Experience with cranes or other lifting devices.
• Experience with hydraulic systems and hydraulic schematics.
• Experience with large pumps, pump stations or pumping systems.
• Experience with heavy steel fabrication, welding, construction and/or large-scale mechanical engineering projects.
• Proficiency in Autodesk Inventor, Autodesk Revit or other 3D design tools.
• Proficiency in Microsoft Excel.
• Proficiency with Finite Element Analysis (FEA) software and analysis methods.
• Experience working in hybrid environments with multidisciplinary teams.

• Relocation is not available for this role 
• Sponsorship is not available for ths role.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.