Systems Engineer III

Apex Systems; Redmond (WA); On-site; USD 88,166 - 101,942; Full time

Job summary

Everforth Apex in Redmond, WA is seeking a Systems Engineer III to execute battery validation activities for satellite development. You will perform functional, environmental, electrical, and reliability tests on battery packs, and develop automated test sequences using Python and lab hardware.

You will analyze large telemetry datasets, document findings, communicate results to stakeholders, and contribute to test procedures, validation plans, and lab efficiency improvements.

Qualifications

• Bachelor's degree in an engineering discipline is required.
• 3+ years of engineering experience in test, validation, manufacturing, or product development.
• Experience executing test plans, documenting results, and analyzing data with Python/JMP or similar tools.

Responsibilities

• Execute battery pack validation testing: functional, environmental, electrical, and reliability tests.
• Develop automated test sequences for routine/overnight testing using Python and test hardware.
• Perform root cause analysis on hardware, test systems, and failures using structured methods.
• Troubleshoot battery test equipment, instrumentation, and automated test systems.
• Analyze large volumes of battery data to identify trends and failure mechanisms.
• Document technical findings and provide clear recommendations and corrective actions.
• Present findings to stakeholders and support design reviews.
• Identify opportunities to improve test methods, automation, and lab efficiency.
• Help develop test procedures, work instructions, and validation plans.

Skills

Python

Test automation

Data analysis

Electrical engineering

Education

Bachelor's degree in Electrical Engineering or related field

Tools

Oscilloscopes

Digital multimeters

Electronic loads

Power supplies

DAQ systems

CAN Bus tools

Job description

# Systems Engineer IIIApply**Job#: 3043628****Job Description:**Systems Engineer III**Location:** Redmond, Washington (Onsite)COMPENSATION: $64 - $74 HOURLYRole OverviewWe are seeking a motivated Systems Engineer to execute battery validation activities supporting satellite development and production. This position focuses on battery power testing with an emphasis on test automation, hardware, and Python programming skills. The role is responsible for executing battery tests, performing root cause analysis on test failures, analyzing large datasets, documenting technical findings, and communicating results to engineering stakeholders. The ideal candidate is hands-on in the lab, comfortable with complex electro-mechanical systems, and adept at using data to solve engineering problems.Key Responsibilities* Execute battery pack validation testing, including functional, environmental, electrical, and reliability tests.* Develop automated test sequences for routine or overnight testing using Python and modern test hardware such as power supplies and DC loads.* Perform systematic Root Cause Analysis (RCA) on hardware, test systems, and failures using structured engineering methodologies.* Support troubleshooting of battery test equipment, instrumentation, and automated test systems.* Analyze large volumes of battery performance and telemetry data to identify trends, anomalies, and failure mechanisms.* Develop clear technical reports summarizing test results, engineering findings, recommendations, and corrective actions.* Present technical findings to cross-functional stakeholders and support engineering design reviews.* Identify opportunities to improve test methods, automation, data analysis workflows, and laboratory efficiency.* Assist in developing test procedures, work instructions, and validation plans.* Ensure all testing activities comply with laboratory safety requirements and standard operating procedures.Required Qualifications**Education:** A bachelor’s degree in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or a related engineering discipline is required.**Experience:** 3+ years of engineering experience in test, validation, manufacturing, or product development is required.**Technical Skills:** Candidates must have experience executing engineering test plans, documenting technical results, and performing data analysis using Python, JMP, or similar tools. Functional competency in coding, hardware selection, and troubleshooting is necessary.Preferred Qualifications* Experience testing lithium-ion battery systems or battery management systems (BMS).* Experience performing Root Cause Analysis using methodologies such as 5 Why, Fishbone Diagram, Fault Tree Analysis (FTA), or Failure Mode and Effects Analysis (FMEA).* Experience with laboratory instrumentation, including oscilloscopes, digital multimeters, electronic loads, power supplies, DAQ systems, and CAN Bus tools.* Hardware-in-the-loop experience.* Familiarity with Python scripting for test automation or data processing.* Experience working in the aerospace, automotive, or consumer electronics industries.* Experience using issue tracking and documentation tools such as Jira.Work EnvironmentThis role is designated as 100% onsite to facilitate hands-on lab work and collaboration. The successful candidate will demonstrate Ownership, Bias for Action, and the ability to Deliver Results while working independently across different parts of the team.Export Control RequirementDue to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Redmond, WA, US**Job Type:** Engineering and Technicians**Date Posted:** July 23, 2026**Pay Range:** $64 - $74 per hour