Mechanical Engineering Technician

DN; El Cajon (CA); On-site; USD 70,000 - 90,000; Full time

Job summary

DN, based in El Cajon, California, is seeking a Mechanical Engineering Technician. This role involves designing and testing mechanical systems, collaborating across teams, and providing field support. The ideal candidate should hold a Bachelor's degree in Mechanical or Industrial Engineering and have a minimum of 2 years of experience in a related position. Applicants must be proficient in hydraulic systems and have the ability to troubleshoot various equipment. DN values a commitment to diversity and equal opportunity in hiring.

Qualifications

• Bachelor's degree in Mechanical or Industrial Engineering.
• Familiarity with hydraulic control systems, PLC, and electrical controls.
• 2+ years experience in Mechanical Engineering or related fields.

Responsibilities

• Design and develop mechanical, electrical, and hydraulic systems using CAD tools.
• Prototype, test, validate, and troubleshoot mechanical systems.
• Support field equipment troubleshooting and maintenance.

Job description

Our culture is rooted in a shared vision — to help keep the world’s most precious resource safe — and in the core values that guide us in pursuing this vision and delivering on our mission to clients.

We provide the highest quality liquid storage design and construction services at the best long‑term value with an unrivaled customer experience. We have built over 3,500 pre‑stressed concrete liquid storage tanks over the past 90 years around the country and world, as a result we have become the leader in the industry when it comes to quality and innovation.

DN is seeking a skilled and innovative Mechanical Engineering Technician to design, develop, diagnose, and test equipment, including tools, engines, and machines. Working cross‑functionally across multiple teams to maintain and improve the performance of current equipment; bring new products from concept to production, optimize mechanical systems, and work hands‑on to solve engineering problems. If you have a desire and passion to work with machines, work through complex issues, and own machine engineering for all equipment across the organization, we invite you to apply!

Equipment Performance & Enhancements

• Design and develop mechanical, electrical and hydraulic systems and components using CAD tools (SolidWorks, AutoCAD), including engineering calculations, FEA simulations, and creation of technical drawings, specifications, sketches, and purchase requests
• Prototype, test, validate, and troubleshoot mechanical, electrical, and hydraulic systems, including pumps, motors, valves, cylinders, and control systems, ensuring performance, safety, reliability, and manufacturability
• Collaborate cross‑functionally to integrate systems and support development of equipment, machinery, and measurement instruments
• Apply deep technical knowledge in hydraulics, electronics, mechanics, engines, motors, prestressing, mechanics of materials, PLCs, and basic coding
• Oversee documentation and cost evaluation, including operations manuals, maintenance schedules, fabrication/assembly planning, and estimation of labor, materials, and installation/testing costs

Field Operations Support

• Support field equipment troubleshooting
• Collaborate with equipment Operators to support operations
• Provide hands‑on support and assistance of field staff on the job as needed
• Analyze performance results, make recommendations for improvements, troubleshoot issues
• Coordinate field equipment set up and calibration for optimal operation

Equipment Maintenance Support

• Assist the maintenance department in coordination with equipment/parts suppliers
• Specify maintenance schedule for machines and equipment
• Conduct regular inspections and maintenance of machinery and equipment to ensure optimal operation
• Troubleshoot mechanical issues and diagnose problems in machinery and related systems
• Recommend the repair or replace worn or malfunctioning parts and equipment
• Run performance tests and interpret the results to make effective recommendations to fix faulty or broken equipment
• Set up and conduct tests of complete units and components under operational conditions to investigate proposals for improving equipment performance
• Travel to project sites as needed to assist in observation and troubleshooting of specialty equipment

Requirements & Qualifications

• Bachelors degree in Mechanical or Industrial Engineering
• Familiarity with hydraulic control systems, PLC, and electrical controls and operation
• 2+ years experience in a Mechanical Engineering, Mechanical Technician, or similar
• Ability to troubleshoot hydraulic pumps, motors, valves, cylinders, and control systems
• Ability to read and interpret electrical wiring diagrams
• Knowledge of PLC systems and electrical charging systems, ability to diagnose problems
• Ability to travel as needed

DN is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class. All employment is decided on the basis of qualifications, merit, and business need.

This is our good faith estimate of the base salary compensation range for this opportunity. Individual pay decisions will vary based upon the experience and qualifications of the applicant. This range is based on market rates and determined by considering many factors such as external market salary survey data, internal data for comparable roles, and the operational and budgetary objectives of the company.