Design Engineer

Overview

Join Liberty Systems in Waukesha, WI as a full-time Design Engineer and help create dry air and nitrogen generation systems that are engineered for reliability. If you're ready to ship real value, apply today!

Let's Talk Benefits Right Away:

• $65,000–$75,000/year
• Health
• Dental
• Vision
• HSA/FSA
• Paid time off (PTO)
• Life insurance
• Short- and long-term disability
• 401(k) with Company Match
• Company Parties
• Growth opportunities

As our Design Engineer, you ll also gain training and career development opportunities and be supported by a team-first environment that values clarity, documentation, and continuous improvement.

This role has a full-time Monday through Friday schedule. As our Design Engineer, you become a key contributor in bringing engineered systems to life. You ll design and model mechanical assemblies and system layouts using CAD, applying engineering calculations to ensure each design performs as intended. You ll carefully select and integrate components—such as compressors, filters, dryers, regulators, valves, and sensors—to create reliable and efficient systems.

Your work includes preparing P&IDs, BOMs, drawings, and specifications that keep projects aligned and build-ready. You ll also collaborate with the engineering team to shape basic control logic and interface layouts, then move into hands-on involvement with prototype builds, functional testing, and system validation. Throughout each project, you ll support troubleshooting, root‑cause analysis, and continuous improvement while ensuring compliance with ASME, CSA, and ISO standards.

Since 2004, we have transformed how industries access and utilize air and nitrogen systems—going beyond simply selling nitrogen generators to engineering reliable, efficient solutions tailored to each customer s unique needs. Our ISO 9001:2015 certification reflects our unwavering commitment to quality and innovation, while our collaborative, team-oriented environment ensures every employee has the opportunity to contribute, grow, and succeed. Join us to enjoy generous benefits, tackle real-world challenges, and be part of a company that is dedicated to achieving lasting success for both our clients and our team members.

APPLY NOW!

We ve made it simple, fast, and mobile-ready with our initial application.

• Bachelor s degree in Mechanical, Electrical, or Mechatronics Engineering (or equivalent field)
• 3+ years of relevant engineering experience (internships, co-ops, or capstone projects acceptable)
• Experience with 3D CAD modeling and drafting (Fusion, Solid Works, or similar)
• Understanding of core engineering principles, including thermodynamics and fluid flow
• Comfortable working in a fast-paced, hands-on environment with cross-functional teams
• Strong communication, organization, and problem-solving skills

Preferred Qualifications:

• Experience with system prototyping, field installations, or test procedures
• Knowledge of compressed air, gas systems, or fluid mechanics
• Exposure to PSA or membrane nitrogen generation technology
• Familiarity with Modbus communication, PLC programming, or HMI design
• Understanding of compliance standards such as CSA B51, NFPA 70/79, or UL/CE marking

This role is also a great opportunity for recent graduates or early-career engineers with drive and curiosity—your internships, co-ops, and capstones count here. Become our Design Engineer today!

Must have the ability to pass a background check and drug screening test.