Assistant Design Engineer Jobs in Romeoville, IL

As a 100% employee-owned firm, Interface Engineering gives every team member a stake in our shared success. Here, your contributions fuel innovation, strengthen our company, and build long-term value for everyone.

Join us and start building your future—apply now.

Position: Senior Mechanical Design Engineer I (MEP)

Location: Honolulu, HI

Job Id: 597

# of Openings: 1

(Relocation assistance will be considered for this opportunity.)

At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule (2 days in-office per week minimum) while staying connected to a team that values innovation, inclusion, and impact.

We’re not just engineers—we’re collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most.

Interface has the company culture and work environment you have been seeking! You’ll find a workplace with a culture of fun, and superior work/life balance benefits, expansive personal development opportunities, cutting-edge technology, and great relationships. You’ll work alongside MEP industry leaders who will help you develop your own thriving career path. Our work takes us around the globe and on a steady growth curve. Our success and innovation are powered by people like you!

• Empowered.
• Respectful.
• Resilient.
• Transformative.

1. Project planning and design:

• Collaborate with architects, owners, and other engineers to develop project plans, including scope, budget, and timeline.
• Conduct feasibility studies and site assessments to identify potential risks and limitations.
• Assist in the design of our projects, ensuring compliance with industry standards and best practices.

2. Project Implementation and Management:

• Coordinate with internal and external stakeholders to ensure timely completion of project milestones.
• Monitor and track project progress, identify and mitigate any issues or risks that may arise.
• Conduct regular site inspections to ensure construction activities comply with project plans and quality standards.

3. Quality Assurance and Documentation:

• Develop and implement quality assurance processes to ensure project specifications are met.
• Conduct regular inspections and audits to verify compliance with industry standards and best practices.
• Prepare and maintain project documents, including progress reports and meeting notes.
• Collaborate with the project team to complete post-construction reviews and lessons learned.

4. Team Leadership and Collaboration:

• Provide guidance and technical support to multi-discipline project teams.
• Foster a collaborative and inclusive work environment by promoting effective communication and knowledge sharing.
• Mentor and develop junior engineers, promoting their career growth and success.
• Serve as a subject matter expert, providing technical expertise and guidance during project meetings and presentations.

• Bachelor’s degree in engineering or related field, preferably mechanical engineering or building services.
• 8+ years of proven experience in MEP design consulting in Hawaii.
• Advanced knowledge of building industry codes and standards.
• Good problem solving and decision-making skills.
• Attention to detail and the ability to manage multiple projects simultaneously.

• Licensed Professional Engineer.

• Competitive Pay: $93,548 to $119,280 annual salary and conditional bonus
• Employee Ownership: Build equity through our Employee Stock Ownership Plan (ESOP)
• Robust Benefits: 401(k), medical, dental, vision, life & disability insurance, transportation benefits and more!
• Generous Time Off: PTO, paid holidays, and company closure to clients from Christmas to New Year’s
• Purpose-Driven Culture: Paid volunteer time and a commitment to social equity
• Career Development: Work alongside industry leaders and access continuous learning opportunities

Ready to grow with us? If you’re looking for a role where your voice matters, your growth is supported, and your work makes a difference—apply todayand become part of the Interface Engineering family.

Interface is committed to social equity within our walls and in our communities. We are a diverse, inclusive, and responsible firm. Interface provides equal employment opportunities (EEO) to employees and applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or any other applicable federal or state-protected classifications. We support local business and seek to partner with small and minority-owned firms on our projects. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) – using paid volunteer time.

Note: H1-B visa sponsorship or transfer is not approved for this position.