Design Engineer

About Liberty Systems

Liberty Systems specializes in the design, development, and integration of advanced dry air and nitrogen generation systems for industrial, laboratory, and commercial applications. Our team delivers innovative, high-performance solutions with a focus on reliability, efficiency, and compliance.

We are exclusively seeking candidates local to Milwaukee/Waukesha, WI area who are available to work on-site. No relocation is offered for this position.

This is a direct hire opportunity. Third-party and agency resumes will not be considered.

Position Summary

We are seeking a Design Engineer to join our growing engineering team and support the development of dry air and nitrogen generation systems. This entry-level role is ideal for a recent graduate or early-career engineer with 0–2 years of experience. You will work closely with senior engineers and technicians to assist in system design, layout, component selection, and testing, while gaining hands-on experience in product development and industrial gas technology. This position is an On-site position, in Waukesha, WI.

Key Responsibilities

·        Design and model mechanical assemblies and system layouts using CAD software (Fusion, SolidWorks, or equivalent).

·        Perform basic engineering calculations for pressure drop, flow capacity, and thermal performance.

·        Support the selection and integration of system components such as compressors, filters, dryers, regulators, valves, and sensors.

·        Prepare and maintain detailed technical documentation including P&IDs, BOMs, assembly drawings, and specifications.

·        Collaborate with the engineering team to develop basic control logic, interface layouts, and system monitoring.

·        Participate in prototype assembly, functional testing, and validation of production systems.

·        Support root-cause analysis, troubleshooting, and continuous product improvements.

·        Ensure designs adhere to applicable industry standards and safety regulations (e.g., ASME, CSA, ISO).

Qualifications

·        Bachelor’s Degree in Mechanical, Electrical, or Mechatronics Engineering (or equivalent field).

·        0–2 years of relevant engineering experience (internships, co-ops, or capstone projects acceptable).

·        Working knowledge of compressed air, gas systems, or fluid mechanics preferred.

·        Experience with 3D CAD modeling and drafting (Fusion, SolidWorks, or similar).

·        Understanding of core engineering principles including thermodynamics and fluid flow.

·        Strong communication, organization, and problem-solving skills.

·        Comfortable working in a fast-paced, hands-on environment with cross-functional teams.

Preferred Skills (Nice to Have)

·        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.

·        Experience with system prototyping, field installations, or test procedures.

Benefits

·        Competitive salary

·        Health, dental, and vision insurance

·        401(k) with company match

·        Training and career development opportunities

·        Supportive, team-based work culture

How to Apply

Please submit your resume and a brief cover letter explaining your interest in this role and in dry air/nitrogen generation systems to: HR@lsn2.com.