Mechanical / Systems Integration Engineer

Location: Oshkosh, WI

Work Model: Onsite preferred with some hybrid flexibility

Duration: 6-month contract with strong contract-to-hire potential

Schedule: Regular business hours

Work Authorization: U.S. Citizenship required

Position Overview

We are seeking a Senior Mechanical / Systems Integration Engineer to support advanced heavy-duty defense vehicle platform development and weapons system integration programs . This role is ideal for an engineer who thrives at the intersection of mechanical design, system integration, troubleshooting, and test-site support .

The engineer will lead and support the mechanical integration of weapon and mission systems into vehicle platforms , working closely with internal engineering teams and external suppliers to ensure performance, reliability, safety, and manufacturability.

This opportunity offers exposure to mechanical structures, electrical/video interfaces, CAN communication systems, failure analysis, field troubleshooting, and advanced technologies such as robotics, electrification, and autonomous systems .

Key Responsibilities

• Lead mechanical integration of weapon and mission systems into heavy-duty vehicle platforms

• Support component and subsystem design, redesign, and packaging for existing and next-generation vehicle programs

• Collaborate directly with system suppliers and cross-functional engineering teams

• Perform root cause analysis, troubleshooting, and failure analysis procedures during development and test-site support phases

• Investigate and resolve mechanical, electrical, and video interface issues

• Support field and proving-ground validation activities , including issue resolution and engineering updates

• Develop and review 3D CAD models, layouts, drawings, specifications, and BOMs

• Use analytical methods to evaluate system performance, durability, safety, and reliability

• Support production, prototype builds, and integration events

• Maintain project documentation, technical reports, presentations, and historical engineering records

• Provide mentorship and technical guidance to junior engineers and designers

• Support integration efforts tied to robotics, electrification, autonomous driving, and advanced vehicle systems

Required Qualifications

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Systems Engineering, or related field

• 2+ years of engineering experience in vehicle systems, component design, or systems integration

• Strong mechanical troubleshooting and analytical problem-solving skills

• Experience working across mechanical and electrical interfaces

• Background in heavy vehicle, automotive, defense, aerospace, robotics, or advanced mobility systems

• Experience with Creo and Windchill

• Strong communication skills with the ability to interface with suppliers, test teams, and internal stakeholders

Preferred / Standout Qualifications

• Experience with weapon system integration, military vehicle systems, or mission equipment

• Knowledge of CAN / BUS protocols and vehicle communication architecture

• Exposure to video systems, sensor systems, or embedded electrical interfaces

• Experience supporting test-site, proving ground, or failure analysis investigations

• Familiarity with electrification, autonomous vehicles, robotics, or mechatronic systems

• Prior experience supporting supplier issue resolution and subsystem validation

• Defense industry or DoD vehicle platform experience strongly preferred