Assistant Gas Engine Performance Engineer Jobs in Chicago, IL

• Lead the full lifecycle of complex gas infrastructure projects, including concept development, feasibility, design, permitting, procurement, and construction support.
• Manage large-scale or multiple concurrent projects, ensuring delivery within scope, schedule, and budget while maintaining high quality and safety standards.
• Serve as the primary technical authority and client point of contact, ensuring strong communication, coordination, and responsiveness throughout project execution.
• Provide advanced technical expertise in gas distribution and transmission system design, material selection, pressure regulation, and pipeline integrity management.
• Develop and review detailed design drawings, calculations, specifications, and construction packages for accuracy, completeness, and compliance.
• Oversee and coordinate multidisciplinary teams, including engineering, design, permitting, and field personnel.
• Perform and review complex engineering analyses related to stress, flow, pressure drop, and pipeline sizing.
• Ensure compliance with federal, state, and local regulations (e.g., DOT 49 CFR Part 192, ASME B31.8, ASTM, API, and utility standards).
• Review and approve contract documents, change orders, and project amendments.
• Provide mentorship, technical direction, and peer review for junior and mid-level engineers to develop team capability and maintain quality standards.
• Support business development efforts, including proposal development, project scoping, and client presentations.
• Lead quality control reviews, enforce quality assurance procedures, and contribute to technical standard updates.
• Participate in risk assessments, constructability reviews, and value engineering initiatives.
• Support project closeout activities, including as-built verification, lessons learned, and performance reporting.

• Bachelor’s degree in Civil, Mechanical or related Engineering discipline required.
• Professional Engineer (PE) license required.
• 9–12 years of progressive experience in natural gas distribution or transmission engineering, with at least 3 years in project leadership or supervisory roles.
• Proven track record managing multidisciplinary teams and large-scale gas utility projects.
• Experience working with clients such as Peoples Gas, Nicor or similar utilities preferred.
• Expert knowledge of natural gas distribution and/or transmission design principles, materials, and construction methods.
• Deep understanding of relevant codes, standards, and regulatory frameworks.
• Strong leadership and project management skills with proven ability to manage large, complex projects.
• Excellent analytical, problem-solving, and decision-making abilities.
• Proficiency in engineering software such as MicroStation, AutoCAD, and GIS tools.
• Advanced proficiency in Microsoft Office Suite (Excel, Word, PowerPoint) and project management software (Primavera P6, MS Project).
• Strong communication and presentation skills with the ability to represent the company in client and regulatory meetings.
• Demonstrated ability to mentor, lead, and develop engineering staff.
• Exceptional attention to detail and commitment to quality and safety.
• Ability to manage competing priorities in a fast-paced environment while maintaining technical excellence.

•  Medical, Dental & Vision Coverage – Reach out to learn how your deductible could be covered 100% through Garner Health! 
•  Company Sponsored Life Insurance and Short-Term Disability – We’ve got your back when life takes unexpected turns. 
•  Voluntary Coverages – Take control of your well-being with added coverage options. 
•  Discounted Gym Membership – Stay active with wellness options that support your fitness goals. 
•  Competitive Base Salary – Earn what you're worth in a performance-driven culture. 
•  401(k) Retirement Plan – Build your future with confidence. 
•  Professional Development Incentives – Get rewarded for growing your skills — including bonuses for earning your P.E. License. 
•  Milhouse University (Cross-Functional Training) – Expand your expertise with internal training built to elevate your career and receive PDH credits for applicable training towards professional engineering licenses, etc.. 
•  Employee Education & Development Program – Tuition assistance and learning opportunities to keep you moving forward. 
•  Generous PTO + Paid Holidays – Rest, recharge, and enjoy the moments that matter most. 
•  Paid Parental Leave – Bond with your new arrival — and yes, we’ll even cover a year of diapers! 
•  Extracurricular Sports Teams – Join our summer Volleyball and Softball squads for fun off the clock. 
•  Employee Recognition Program – Be celebrated for the impact you make. 
•  Employee Referral Bonus – Bring great people on board and get paid for it. 
•  Transit Benefits Program – Save on your daily commute. 
•  Charitable Events and Activities offered through non-profit affiliate – Milhouse Charities.  

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.