Senior Mechanical Design Engineer

ATC Automation is seeking a hands-on and innovative Senior Mechanical Design Engineer to lead the mechanical development of custom automation machinery and tooling systems at our Simi Valley, CA location. Remote opportunities may be considered for highly qualified candidates, with occasional travel required to the Simi Valley facility. Projects will range in size and complexity, from rapid R&D initiatives to fully integrated, high-speed production systems. In this role, you will collaborate directly with customers to define project requirements and work alongside a multidisciplinary engineering team to deliver reliable, high-performance automation solutions.This position offers a competitive annual salary range of $120,000 to $140,000, along with opportunities for continued professional development and career advancement.Benefits include Medical, Dental, Vision, 401(k), Life Insurance, Health Savings Account, Flexible Spending Account, and Paid Time Off. If you are driven by innovation and motivated to make a measurable impact in automation, this opportunity offers an exciting environment to grow your career and showcase your expertise.Meet ATC Automation:Since 1977, ATC Automation has been redefining what's possible in custom automation. From concept to commissioning, we partner with leading brands across the globe to design and deliver custom machinery that drives efficiency, precision, and long-term performance. Our automation expertise spans critical industries that shape the way we live and move-Life Science, Transportation, Consumer Products, and General Industry.How You Will Make a Difference:• Lead the mechanical design and development of custom automation systems, mechanisms, and components• Establish and maintain best practices, design standards, and continuous improvement initiatives for mechanical engineering processes• Integrate both standard and custom automation components, including robotics, actuators, sensors, and vision systems• Ensure projects are completed on schedule and within budget while coordinating progress with Project Managers and cross-functional teams• Create detailed 3D CAD models and manufacturing-ready 2D drawings for fabrication and assembly• Mentor junior engineers through technical guidance, design reviews, and quality oversight• Provide hands-on support during equipment build, testing, and commissioning activities• Design, build, and evaluate mechanical prototypes to validate concepts prior to production deployment• Collaborate closely with controls and software engineers to ensure seamless system integration• Coordinate with suppliers and vendors to maintain component quality, compatibility, and delivery schedules• Partner directly with customers to refine project requirements and ensure successful system performance• Support onsite equipment installation, startup, troubleshooting, and optimization activities as neededJob Requirements:• Proven success in custom automation and machine design environments• Strong ability to size, specify, and integrate automation peripherals such as actuators, sensors, and vision systems• Advanced proficiency with SolidWorks or equivalent 3D CAD software• Extensive knowledge of engineering drawings, GD&T, and tolerancing standards (Y14.5M-2009)• Strong understanding of mechanical components, materials, and manufacturing processes including machining, welding, and sheet metal fabrication• Working knowledge of controls and automation system fundamentals• Excellent analytical, troubleshooting, and problem-solving abilities• Strong written and verbal communication skills• Minimum of 6 years of hands-on experience designing custom automated machinery• Experience specifying and troubleshooting pneumatic systems and related components• Expertise in designing fixtures, jigs, and custom tooling for precision automation and assembly applicationsPreferred Experience:• Bachelor's degree or higher in Mechanical Engineering or a related technical field• 10+ years of experience in mechanical design within custom automation, machine building, or related industries• Familiarity with compliance standards including CE, NFPA 79, and SEMI S8• Hands-on experience troubleshooting and improving automated machinery performance• Experience specifying and integrating machine vision equipment, including cameras, lenses, lighting, filters, and mounting systemsPhysical Requirements:• Ability to work continuously in both standing and seated positions• Frequent standing, walking, pushing, pulling, overhead reaching, and bending• Ability to work underneath machinery and in overhead work environments• Ability to occasionally lift or exert force up to 50 pounds• Ability to frequently exert force between 10 and 25 pounds• Ability to consistently exert up to 10 pounds of force to move objects• Visual acuity for close-detail work, with or without accommodation• Ability to monitor and interpret machine sounds for troubleshooting and diagnostics, with or without accommodationDisclaimer:This job description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not intended to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this position. This job description is subject to change but will remain in effect until superseded or canceled in writing by Human Resources.ATC Automation is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.ATC Automation is the Automation segment of TASI Group. The TASI Group of Companies is comprised of four technologically advanced Strategic Business Segments commonly linked by a disciplined focus on Product Integrity, Package Integrity, and Automation. Each TASI company delivers world-class products and services, focusing on our global customer needs in diverse market segments. TASI has served several thousand global customers over the years and enjoys a very high rate of repeat customers, many of which are Blue Chip Global Companies. Major Markets include: Automotive, Medical Devices, Life Science, Pharmaceutical, Packaging, Oil & Gas, Food & Beverage, Consumer Goods and General Industrial Equipment.

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