45 senior mechanical engineer jobs found in Chicago

Biohub is the first large-scale initiative bringing frontier AI models, massive compute, and frontier experimental capabilities under one roof. We're building a general-purpose system to accelerate scientific discovery, integrating frontier AI models, biological foundation models, and lab capabilities, with the ultimate goal of curing disease. Our technology powers scientists around the world, translating AI capabilities into tools that accelerate research everywhere. The Team The Diagnostics team develops next-generation sensing technologies for real-time molecular monitoring in living systems. We bring together engineers, chemists, biologists, and translational scientists to create wearable and implantable platforms that enable high-impact applications in healthcare, therapeutics, and disease monitoring. The Opportunity We are seeking a Senior Mechanical Engineer to lead the design and development of miniaturized sensing systems for wearable and implantable medical devices....

About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects. About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction. The Role We Want You For The...

Senior Mechanical Engineer Location: Champaign, IL Employment Type: Full-Time Work Model: On-site preferred (Hybrid/Remote considered) Salary Range: $110,000 - $150,000 annually Local candidates only Job Summary An established, multidisciplinary engineering consulting firm is seeking an experienced Senior Mechanical Engineer to join its Illinois-based team. This role supports a diverse portfolio of projects across government, higher education, healthcare, and manufacturing sectors . The ideal candidate brings strong technical expertise, leadership capability, and the ability to manage complex mechanical systems from concept through construction. Key Responsibilities Serve as a senior mechanical engineer across all phases of project development, including client coordination, pre-design, final design, site visits, meetings, and project management Conduct existing conditions surveys and document findings using PFDs, P&IDs, layouts, sections, elevations,...

Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York City, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables, FL (Miami); Chicago, IL; St. Louis, MO; Tampa, FL; Charlotte, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, sustainability consulting, lighting design, and building commissioning services. BR+A is seeking an experienced Senior Mechanical Engineer in our Chicago, IL office. The candidate must be strongly motivated, well organized, and show professional initiative The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and their...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Senior Mechanical Design Engineer (MEP) - Chicago, IL (Hybrid) Interface Engineering Inc. 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 (at least 2 days/week in-office) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? 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. Our Culture Interface has the company culture and work environment you have been seeking! You'll find a workplace with a culture of fun, superior work/life balance...

Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables, FL (Miami); Chicago, IL; St. Louis, MO; Tampa, FL; Charlotte, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, lighting design, and building commissioning services. BR+A seeks an experienced Senior Electrical Engineer in our Chicago, IL office. Candidates must be strongly motivated, well organized, and show professional initiative. The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and their responsibilities will include:...

Overview Who We Are: Lippert is a leading, global manufacturer and supplier of highly engineered products and customized solutions, dedicated to shaping, growing and bettering the RV, marine, automotive, bus, railway, commercial vehicle and building products industries. We combine our strategic manufacturing capabilities with the power of our winning team culture to deliver unrivaled customer service, award-winning innovation and premium products to all of our customers. Why We are Different: At Lippert, Everyone Matters. This is not just a tagline or empty promise; it is who we are. We have intentionally created a culture that values and celebrates our team members' unique and varied backgrounds, perspectives, and experiences. We strive to give our team members a deeper sense of purpose at work, and we continue to build a better work environment by aligning our cultural and business strategies with the needs of our team members. What You will Get: A unique, inclusive...

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic approach to consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose skills and personalities drive them to excel, fostering a workplace that provides unparalleled growth and career opportunities. Position Overview CMTA, a Legence company, is seeking a Senior Electrical Engineer with 8+ years of experience in Consulting Engineering. The position is responsible for designing and overseeing the electrical systems, power distribution, lighting and lighting controls, emergency power, UPS, renewable energy systems, fire alarm system, low-voltage systems/coordination (IT, safety, security, access control), etc. all for the purpose of bidding and construction...

Job Description As an S&C Electric team member, you'll work on projects that have real-world impact. You'll help transform the grid for resilient and reliable power worldwide. S&C has more than a 100-year history of innovation and has been 100% employee-owned since 2012. We continue this legacy as a trusted, forward-thinking leader in the electrical industry. You will advance a safer, more reliable, and more resilient electrical grid. Our products help the grid adapt to severe weather and transition to clean energy. We're big enough to be a respected industry leader but small enough for you to impact our company directly. Our commitment gives you opportunities to impact on and off the job positively. Join S&C to make an impact on tomorrow's energy challenges and become an employee-owner Hours 8:00 am - 5:00 pm (Mon-Fri) On-Site Compensation At S&C, we are dedicated to providing competitive and equitable compensation for all our team members, and we...

Engineer Intern - Electrical (Spring 2026) Firm Overview Do more than just build! At dbHMS, we are a collection of doers and thinkers. We combine our passion for engineering with our client's vision to realize successful construction projects in our community and worldwide. Together with our clients, we are dedicated to leaving a legacy of stewardship and innovation through our impact on the built environment. Our staff of talented individuals and unique characters is united in their dedication to deliver high-performance, efficient, and sustainable buildings worldwide. Our Design Studio team, in our Chicago office is seeking an Engineer Intern . This role will support the engineering of systems for a variety of projects while working closely with clients, client reps, architects, and MEP engineers in creating designs for all kind of spaces. Our dynamic work environment provides the perfect opportunity to advance your career while developing and fine-tuning your skills...

Engineer Intern - Mechanical (Summer 2026) Firm Overview Do more than just build! At dbHMS, we are a collection of doers and thinkers. We combine our passion for engineering with our client's vision to realize successful construction projects in our community and worldwide. Together with our clients, we are dedicated to leaving a legacy of stewardship and innovation through our impact on the built environment. Our staff of talented individuals and unique characters is united in their dedication to deliver high-performance, efficient, and sustainable buildings worldwide. Our Design Studio team, in our Chicago office is seeking an Engineer Intern . This role will support the engineering of systems for a variety of projects while working closely with clients, client reps, architects, and MEP engineers in creating designs for all kind of spaces. Our dynamic work environment provides the perfect opportunity to advance your career while developing and fine-tuning your...

Do you want to be a part of the clean energy movement? Are you passionate about improving our environment for this generation and those to follow? Are you ready to take on new challenges and collaborate with a future-focused team leading the way into new markets? Join Nexamp! This is where you can learn from industry leaders and become one yourself. It's fast-paced, mission-based work that challenges the status quo. Be on the team that's changing the world. What we're looking for: Join Nexamp's mission to transform the energy landscape with your expertise as a Senior Interconnection Engineer. We are at the forefront of the renewable energy revolution, driving change and innovation in the renewable energy sector. If you're passionate about crafting a sustainable future and have a track record in the technical intricacies of interconnection, we want you on our team. We are seeking a detail-oriented Senior Interconnection Engineer with a robust technical background and proven...

Description At United, we have some of the best aircraft in the world. Our Technical Operations team is full of aircraft maintenance technicians, engineers, planners, ground equipment and facilities professionals, and supply chain teams that help make sure they're well taken care of and ready to get our customers to their desired destinations. If you're ready to work on our planes, join our Tech Ops experts and help keep our fleet in tip-top shape. Job overview and responsibilities Senior Line Engineers are part of a service engineering team that provide 24/7 engineering technical support for United Airlines Worldwide fleet of operational aircraft to ensure the timely return to service. Provide engineering support for a wide range of aircraft systems, maintenance programs, engines as well as operational engineering functions. Studies, analyzes, and seeks solutions to problems related to the design, operation, maintenance, performance, modification, or repair of aircraft,...

Position Summary We are seeking an experienced Electrical Engineer to support the design, analysis, and implementation of electrical systems for commercial and industrial building projects. The ideal candidate brings a strong background in building electrical systems and collaborates effectively with multidisciplinary teams to deliver safe, efficient, and code-compliant designs. A Professional Engineer (PE) license is highly preferred. Key Responsibilities Design and develop electrical systems for buildings, including power distribution, lighting, grounding, fire alarm, and low-voltage systems Prepare construction documents, specifications, and technical drawings Perform load calculations, short-circuit studies, and equipment sizing Ensure compliance with NEC, local codes, and applicable standards Coordinate with architects, mechanical engineers, and other project stakeholders Review shop drawings, submittals, and RFIs during construction Conduct...

Stanley Consultants is an award-winning and industry-leading global consulting engineering firm, with an unmatched commitment to culture, values, and ethics. We are dedicated to client experience and solve the most complex challenges to create a sustainable, connected, and enriched world for all. As the world changes, Stanley strategically evolves with it, integrating the latest technology, innovation, and resiliency practices. With over a century of experience serving the energy, federal government, transportation, and water sectors, we have helped improve lives and shape the infrastructure systems that connect us. As an employee-owned organization with a People First approach, we stand apart from other engineering consulting and services firms. At Stanley, your voice counts, your growth matters, and your success is our success. Stanley Consultants offers flexible work options, competitive pay and great benefits, a strong sense of community, and the chance to build a meaningful,...

The Marmon Group LLC As a part of the global industrial organization Marmon Holdings-which is backed by Berkshire Hathaway-you'll be doing things that matter, leading at every level, and winning a better way. We're committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone's empowered to be their best. Location: Preferred near Transportation Group facilities......Included below. Travel: Up to 50% (domestic) About the Role Join the fast-growing Marmon Transportation Products Group - a dynamic team of 30+ companies and 5,000+ employees focused on advancing industrial excellence. We are seeking a Continuous Improvement (CI) Engineer to lead transformational improvement efforts through a powerful combination of Lean, process engineering, and industrial automation. This is an individual contributor role with leadership influence, leading initiatives, and setting the bar for technical...

Transportation Project Engineer I/II Department: Civil/Municipal Employment Type: Full Time Location: Chicago, IL Reporting To: Patrick McCluskey Description Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. We are currently seeking a Transportation Engineer (I/II) to help serve our connection of clients and community. If you're hungry for knowledge, ready to make a difference and dedicated to providing personalized attention to our clients, we want you on our team. The projected range of compensation in Illinois for this job is $70,000 - $80,000. Your Primary Responsibilities will include Assist in the design and development of transportation projects including roadways, intersections, pedestrian facilities, and traffic improvements. Prepare engineering drawings, plans, and...

Senior Electrical Engineer (Medical Infrastructure) We are seeking a visionary Senior Electrical Engineer to spearhead the electrical design and distribution strategy for our upcoming world-class bio- medical facility located south west of Chicago. This role is not just about keeping the lights on; it's about engineering the life-sustaining backbone of a premier healthcare institution. You will be the primary technical authority responsible for the end-to-end electrical lifecycle-from high-voltage utility integration to the millisecond precision of isolated power systems in surgical suites. Core Responsibilities Lead Electrical Design: Oversee the comprehensive design of all electrical systems, ensuring they meet the stringent reliability and safety requirements of a Tier 1 medical facility. Power Distribution: Design and manage complex distribution networks, including substations, switchgear, and transformers, ensuring 100% uptime for critical care environments....

Structural Engineer, PE - Mid-Level Location: Chicago, IL; Atlanta, GA; or Washington D.C. (Chantilly, VA) Exp Federal delivers full-service Architecture & Engineering services, construction, and facility management services throughout the world. Exp Federal's mission is to provide superior technical solutions to the U.S. federal government utilizing skilled personnel familiar with working throughout the United States and overseas. The Challenge: We are seeking a Structural Engineer, PE to join our growing team in Chicago, IL; Atlanta, GA; or Washington D.C. (Chantilly, VA). Ideal candidates are independent thinkers, self-motivated, communicate proactively, manage tasks with minimal oversight, and enjoy collaborating with other disciplines throughout the design process. What we Offer: Clear career progression toward senior or technical specialist roles. Opportunities to work on high impact federal and mission critical facilities. Flexible work arrangements...

Electrical Engineer, PE - Mid-Level Location: Chicago, IL or Washington D.C. (Chantilly, VA) Exp Federal delivers full-service Architecture & Engineering services, construction, and facility management services throughout the world. Exp Federal's mission is to provide superior technical solutions to the U.S. federal government utilizing skilled personnel familiar with working throughout the United States and overseas. Th e Challenge: We are seeking a talented mid-level Electrical Engineer, PE to add to our full-service electrical design team in Chicago, IL or Washington D.C. (Chantilly, VA). Principle Areas of Responsibility: Prepares and/or reviews and evaluates design calculations. Prepares drawings, specifications, and procedures for the installation, integration, and maintenance of electrical equipment and systems. Provides Design/Quality control for ongoing construction projects. Reviews contractor submittals against specifications and responds to...