Senior Mechanical Engineer

Extreme Engineering Solutions (X-ES) is looking for a Senior Mechanical Engineer to support the development of rugged single board computers and systems. This role focuses on mechanical design and verification, including 3D modeling, drawing creation, analysis, and electromechanical integration. The engineer will collaborate with PCB design, manufacturing, and other cross-functional teams to develop robust, manufacturable designs.

Duties and Responsibilities

• Perform mechanical engineering work necessary to ensure X-ES products conform to provided specifications
• Support development of new products through analysis-driven decision making
• Communicate design status across departments and document engineering decisions clearly
• Create and review complex 3D models, assemblies, and detailed drawings using Creo
• Review PCB layouts for mechanical fit, constraints, and integration within assemblies
• Evaluate mechanical FEA results, including modal, shock, vibration, and fatigue analyses, and provide design recommendations
• Analyze test data, identify root causes of failures, and recommend design changes to improve product performance and reliability
• Document engineering analyses, test results, and technical recommendations, and effectively communicate findings and conclusions to cross-functional teams
• Mentor less experienced engineers, provide technical guidance, and review engineering work for quality and accuracy

Required Qualifications

• Bachelor’s degree in Mechanical Engineering or a related field
• Minimum of seven (7+) years of related engineering experience
• Strong proficiency in solid modeling and mechanical drawing creation (Creo preferred)
• Strong verbal, written, and interpersonal communication skills, with the ability to effectively communicate with internal and external stakeholders
• Working knowledge of GD&T and Design for Manufacturability (DFM) principles
• Ability to work efficiently and independently
• Ability to work onsite from our facility located at 9901 Silicon Prairie Parkway in Verona, WI

Desired Qualifications

• Ten (10+) years of related engineering experience
• Proficient in GD&T and tolerance analysis
• Experience with simulation tools (ANSYS, Creo Simulate, etc.)
• Experience with PCB-mechanical integration
• Experience with vibration/shock testing, solder joint durability, or rugged electronics packaging
• Experience with programming or scripting languages (Python, MATLAB, etc.)

Compensation and Benefits

Extreme Engineering Solutions offers a competitive compensation package with excellent benefits, including:

• No-deductible, low-copay group health and dental insurance (90% employer paid)
• Life insurance, short and long-term disability insurance (100% employer paid)
• Eligibility for health, dental, vision, life/AD&D, and disability insurance benefits on the first day of the month following date of hire
• Paid time off, plus eight paid holidays a year
• 401(k) employer match up to 4%. Roth option is available
• Participation in the employee stock ownership plan (ESOP) at no cost to employees

X-ES also takes a casual, small-business approach to company culture. At our state-of-the-art office and manufacturing facility located in Madison’s growing tech corridor, there’s no formal dress code, flexible day shift scheduling, and dedicated personal workspaces. Our employees kick back at regular company events and enjoy lunches from local pizza places and food carts. At X-ES, we strive to offer a comfortable, relaxed environment for our employees to do their best work.

About X-ES

When “rugged enough” isn’t rugged enough for embedded computing systems, industry leaders in the military, aerospace, industrial, and commercial sectors turn to Extreme Engineering Solutions (X-ES). Because we strive to be the premier provider of mission-critical embedded products while delivering exceptional levels of customer and employee satisfaction, we hire strong contributors and give them space to thrive. As a 100% employee-owned company, our employees both drive and directly benefit from our success. Together, we meticulously design and build products that stand up to some of the most extreme conditions on the planet.

X-ES is located on the far west side of Madison, WI. The company designs and manufactures rugged embedded computing solutions for a variety of applications. For more information, visit

X-ES is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or any other category protected by law.

All X-ES job postings and application procedures are posted in compliance with Section 39.08 of the Madison General Ordinances.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.