Test Engineer

Test Engineer

Engine Development | Test Cell Operations | Dual Fuel Technology

Full-Time  |  On-Site  |  2–4 Years Experience

Diversified Services Network, Inc. (DSN) is seeking a full-time Test Engineer to join our team in Mossville, IL! We offer full benefits, PTO, 401k, and more! If you enjoy hands-on engineering work and are looking to grow your career on cutting-edge engine technology within an extremely reputable, stable Fortune 500 company — let’s talk!

We are seeking a Test Engineer to play a key role in engine development, fully on-site in Mossville, IL. This is a backfill of an important position responsible for the successful execution of the test plan. You will work alongside an experienced facility team and global engineers within a team of approximately 15 engineers spanning entry level to 20+ years of experience — supporting test operations, engine hardware validation, and performance/emission data analysis.

This role offers a unique opportunity to work on growing dual fuel development technology. Engineers who enjoy analytical problem-solving and hands-on work will find this position engaging and rewarding on a daily basis. A structured training process is in place to ease onboarding, and there is opportunity for schedule flexibility depending on test activities.

• Support, direct, and mentor test cell operators running engine tests; regularly review the test plan look-ahead with senior engineers and prepare for engine and test cell setup.
• Troubleshoot engine and test cell issues effectively to minimize downtime and improve productivity.
• Coordinate with support function teams — including facilities, instrumentation, and mechanics — for timely issue resolution.
• Document test cell and engine hardware issues thoroughly and accurately.
• Attend daily standup and handoff meetings with the core team; provide updates, participate in troubleshooting discussions, help reach consensus on action plans, and communicate results to the technical team.

• You will work within a team of approximately 15 engineers ranging from entry level to 20+ years of experience, covering test operations, engine hardware validation, and performance/emission data analysis.
• Daily interaction includes standups, handoff meetings for continuous operations, and ongoing collaboration with experienced facility and global engineering teams.
• A structured onboarding and training process is in place to support a smooth transition into the role. Schedule flexibility may be available depending on test activity cycles.
• This is a fully on-site role in Mossville, IL operating in a fast-paced test environment.

• 2–4 years of relevant engineering experience required.
• Bachelor’s degree in Mechanical Engineering required.
• Internship experience may be counted toward the required years of experience.
• Comparable backgrounds include roles in testing, data analysis, or hands-on experience with large diesel engines.

• Strong technical troubleshooting skills across complex engine and test cell systems.
• Analytical thinking with the ability to synthesize data and drive actionable conclusions.
• Accuracy and attention to detail in test documentation, data review, and hardware assessment.

• Hands-on experience with mechanical and/or electrical test setup and data acquisition equipment.
• Proficiency with Microsoft Office tools.

• Understanding of diesel engine operation and systems.
• Experience with data analysis and visualization tools such as MATLAB, CANape, or DIAdem.
• Familiarity with emissions and measurement equipment such as Horiba, AVL, or Allen Bradley.

• Self-starter with strong verbal and written communication skills.
• Enjoys a fast-paced, hands-on work environment; quick learner with sharp attention to detail.
• Strong analytical and problem-solving ability.

• Innovative and creative approach to technical problem-solving.
• Experience leading projects or extended team members.

• 401(k)

• Dental insurance
• Vision Insurance
• Disability insurance
• Employee assistance program
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Paid Holidays

Please follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com

Salary expectations: 68,000-72,000 per annual