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Built In Colorado
Test Engineer III
Career Insights for Mechanical Testing Engineer
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What they do
A Mechanical Testing Engineer designs and runs verification methods, test reports, and assists with troubleshooting for mechanical engineering projects.
$114,778 / year median in Colorado
+5% projected growth
Job Description
Designs and executes reliability, validation, and accelerated life testing for advanced materials, components, and electrochemical systems. Operates and improves pilot-scale hydrometallurgical systems, troubleshoots process equipment and instrumentation, analyzes complex performance data, and recommends design or process improvements. Develops test methods, monitoring strategies, procedures, and technical documentation while supporting root-cause investigations, corrective actions, safety compliance, and cross-functional technology commercialization. The summary above was generated by AI Who we are: Electra is reinventing ironmaking from the ground up with a breakthrough electrochemical technology that produces high purity clean iron and critical co
- minerals.
What you will do:
Electra is seeking an experienced Test Engineer III to support the development, validation, and continuous improvement of advanced materials, components, and systems. This role is responsible for independently designing and executing reliability testing, evaluating product performance, and applying advanced analytical techniques to improve durability, safety, and reliability across research, development, and pilot operations. Working closely with Engineering, R D, Process Engineering, Operations, and Quality, this position applies deep technical expertise to solve complex engineering challenges, recommend practical solutions, and contribute to the successful development and commercialization of Electra's technology.Responsibilities include:
Own the execution, operation, and continuous improvement of pilot-scale hydrometallurgical and electrochemical systems Lead troubleshooting for process equipment, instrumentation, and hydrometallurgical operations, implementing corrective actions to improve performance and reliability Design, execute, and evaluate reliability and validation test plans for materials, components, and systems across a range of environmental and operating conditions Develop and perform accelerated life testing, failure mode and effects analysis (FMEA), and other reliability assessments to evaluate product performance and identify improvement opportunities Analyze complex testing and performance data to identify trends, determine root causes, and recommend design or process improvements Collaborate with Engineering, R D, Process Engineering, Operations, and Quality to define measurement requirements, ensure data quality, develop monitoring strategies, interlocks, alarms, and safe operating procedures. Develop test methods, procedures, and documentation that improve consistency, repeatability, and technical quality Support root cause investigations and corrective actions by applying sound engineering judgment and advanced analytical techniques Communicate technical findings and recommendations to cross-functional stakeholders and adapt communication to a variety of technical audiences Ensure laboratory activities comply with company safety expectations, engineering standards, and applicable quality requirements Perform other duties as assigned What we need you to bring to the team: Bachelor's degree in Chemical Engineering, Mechanical Engineering, Materials Science, Electrical Engineering, or a related field 5+ years of professional experience in reliability engineering, testing, product validation, or a related engineering discipline; or 3+ years with a master's degree Complete knowledge and understanding of reliability engineering principles, statistical analysis, failure mechanisms, and engineering best practices Experience with hydrometallurgical processes including leaching, filtration, or solution purification Demonstrated understanding of chemical process systems, fluid handling, reactors, electrochemical systems, or hydrometallurgical unit operations Experience designing and executing reliability testing, accelerated life testing, and product validation activities Demonstrated ability to analyze complex engineering data, evaluate multiple factors, and develop practical, data-driven recommendations Experience applying structured problem-solving methodologies, root cause analysis, and engineering judgment to resolve complex technical issues Proficiency with engineering and statistical analysis tools such as JMP, Minitab, LabVIEW, or similar platforms Familiarity with applicable testing standards such as ASTM, IEC, MIL-STD, or similar Strong technical writing, documentation, and presentation skills Demonstrated ability to work independently while managing multiple priorities and adapting to changing project needs Ability to build collaborative relationships across multidisciplinary teams and effectively communicate technical concepts to diverse audiences Comfortable working in a fast-paced research, development, pilot plant, or manufacturing environment What we want you to bring to the team: Experience supporting electrochemical systems, hydrometallurgical processes, battery materials, critical minerals, or advanced manufacturing Experience with pilot plant operations, technology scale-up, or industrial process systems Experience working with industrial or manufacturing data systems including the ability to query, extract, transform, and analyze large datasets from process data repositories Experience with predictive maintenance, digital twin technologies, or advanced reliability monitoring methodsCompensation:
The anticipated starting pay range for this position is $105,000- 125,000.
We are proud to offer:
100% Employer-Paid Medical, Dental & Vision Insurance- Full premium coverage for full-time employees, spouses/domestic partners, and dependents at no cost to you Equity
- Share in Electra's success through company equity 401(k) with 5% Employer Match
- Immediately 100% vested, so every employer contribution is yours once you're eligible Health Savings Account (HSA)
- Employer contributions of $1,800 for individuals and $3,600 for families Paid Time Off & Paid Holidays
- Time to rest, recharge, and focus on what matters most 12 Weeks of 100% Paid Parental Leave
- Supporting your family during life's biggest moments 100% Employer-Paid Life Insurance & AD&D
- Coverage equal to 2x your annual salary 100% Employer-Paid Disability Insurance
- Income protection when you need it most Flexible Spending Accounts (FSA)
- Pre-tax savings for eligible healthcare and dependent care expenses Supplemental Accident & Critical Illness Insurance
- Additional financial protection for unexpected events Employee Assistance Programs (EAPs)
- Confidential mental health, financial, and wellness resources available to you and your family If you need an accommodation during the application or interview process, reach out to us at [email protected] We're here to help.
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Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures Research Centers and Universities:
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- Paid Time Off (PTO)
- 401(k) Plans
- Other Retirement and Savings
- Health and Wellness Programs