D
Dnllc4mo ago
USD 80000–110000/yr

Mechanical Engineer

United StatesEl CajonFull-Timemid
EngineeringMechanical EngineerTrades & Skilled Labor
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Quick Summary

Overview

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.

Technical Tools
EngineeringMechanical EngineerTrades & Skilled Labor
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 Engineer to design, develop, 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! 
  • 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.
  • 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.
    •  
  • 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. 
  • 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.

    • Listing Details

    Posted
    December 1, 2025
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    34%
    Scored at
    April 22, 2026

    Signal breakdown

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    Mechanical EngineerUSD 80000–110000
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