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Mechanical Engineer

Batavia, Illinois

Would you like to oversee the mechanical engineering of a system through its entire life-cycle, from design through operation? Would you like an engineering job where no two days are alike? Are you looking for a job where you work daily with strategic risk takers, innovators, and collaborators? Are you seeking a job where your work advances knowledge for the benefit of humankind?

Come join one of the crown jewels of the United States’ research and innovation ecosystems: Our client is America’s premier national laboratory for particle physics and accelerator research, funded by the U.S. Department of Energy. We support discovery science experiments in Illinois and South Dakota and at locations around the world, including Canada, mountaintops in Arizona and Chile, and the South Pole. We are 1,800 employees, made up of engineers, scientists, technicians, designers/drafters and administrative professionals. Fermilab has been at the forefront of particle physics for more than 50 years. We build world-leading accelerators and detectors to conduct some of the most advanced particle physics experiments possible. We collect and analyze the data from those experiments with some of the most powerful computers in the world.

Come join a diverse team of talented and dedicated mechanical engineers, CAD designers, and technicians who make up the Accelerator Division’s Mechanical Support Department. We are seeking a Mechanical Engineer who is a collaborator by nature and who seeks out the latest technology and tools to design, fabricate, test, install and operate components and systems for our particle accelerators. We use the latest technology such as ANSYS, NASTRAN, Siemens NX, and additive manufacturing (3D printing) to model, simulate, prototype, and test our designs. We work with vendors who stretch their technical abilities to fabricate the next generation of components and systems. We expand our engineering skills, and sometimes write the textbooks, in order to operate the existing accelerators. We work with collaborators throughout the lab and the world to plan future accelerators for projects such as the Long Baseline Neutrino Facility (LBNF) and Proton Improvement Plan II (PIP-II).

You Will 

  • Utilize fundamental mechanical engineering concepts and principles to complete assignments and develop familiarization with the Laboratory’s method of project engineering, from the design stage through review, procurement, fabrication, installation, test and operation.

  • Be involved in the planning, implementation, and documentation of the installation of upgrades and repairs to the mechanical and vacuum systems that support the accelerator by working with machine stakeholders, scientists, engineers, drafter/designers and technicians.  

  • Be involved in the mechanical design, analysis, fabrication/construction, and installation of devices and equipment for the accelerator complex including beamline elements (such as, collimators and beam instrumentation), remote positioning devices, support structures, and vacuum systems.

  • Participate in and lead efforts involving general mechanical-system design, mechanical stress analysis, and thermal analysis.

  • Design and plan the lifting/rigging of heavy components which will involve material handling equipment and techniques

  • Be responsible for directing the activities of drafters/designers, and technicians on his/her projects

  • Direct the activities of co-op engineering students and interns on his/her projects.

  • Abide by and be responsible for performing all duties in accordance with all environmental, health and safety regulations and practices pertinent to this position. 


We Are Looking For


  • Bachelor’s or Master’s of Science Degree in Mechanical or Aerospace Engineering from an ABET accredited institution. Should include successful completion of coursework in mechanics of materials, machine design, heat transfer, fluids and thermodynamics.

  • Minimum 3.0 GPA

  • 0-5 years of professional engineering experience. Additional experience from an engineering co-op or internship is a plus.

  • Demonstrated ability to communicate expectations clearly using verbal and written practices with customers / stakeholders and with team members

  • Demonstrated ability to work effectively under the requirements of schedules and shifting priorities

  • Demonstrated ability to design, fabricate and install structural systems to support loads greater than 100-pounds

  • Demonstrated ability to perform engineering mechanics calculations including statics, stress, and deflection

  • Demonstrated ability to create and read mechanical drawings 

  • Demonstrated knowledge of machine shop practices and techniques for fabricating complex and intricate hardware

  • Must have strong computing skills including preparing and documenting engineering calculations, creating 3D models and 2D drawings using CAD software, FEA analyses, data presentation, and project management activities (cost estimates, schedules)

  • Demonstrated ability to creatively solve engineering problems and troubleshoot operational issues

  • Experience with design, assembly and operation of high and ultra-high vacuum systems is desirable

  • Knowledge of welding and brazing practices (e.g. TIG, MIG and electron beam welding process, oven brazing) as related to manufacturing and fabrication of structures is desirable

  • Knowledge of materials, metallurgy and radiation damage of materials is desirable

  • Knowledge in the design and planning of lifting/rigging of heavy components which involve material handling of equipment and techniques is desirable

  • Use of geometric dimensioning and tolerancing on drawings is desirable 

  • Skills in Siemens Teamcenter and NX is desirable

  • Skills in ANSYS or NASTRAN is desirable

  • Experience in specifying, designing, fabrication, and operations of robotics systems is desirable 

  • Experience in applying Additive Manufacturing (3D Printing) technology to design is desirable



Physical Activity and Work Conditions


HUMAN FACTORS: Heights, mental concentration, sitting, standing, tight work schedule, visually demanding.

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