Python Mechanical Engineer Jobs in Plano, TX (NOW HIRING)

Build the future, spark innovation and align your career with purpose.

McKinstry is innovating the waste and climate harm out of the built environment and creating lasting impact. Together, we're building a thriving planet.

Buildings are a leading contributor to the climate crisis, generating nearly 40% of total global energy-related carbon emissions. We're making a lasting impact on our industry and within our communities by addressing the climate, affordability and equity crises through:

• renewables and energy services
• engineering and design
• construction and facility services

To get where we're going, we need big thinkers, problem solvers and collaborative mindsets. Does that sound like you?

The Opportunity with McKinstry
Our team is growing! We are currently seeking a Senior Associate Mechanical Engineer to join our ESPC (Energy Savings Performance Contracting) Engineering team in Dallas, TX. In this role, you'll lead the engineering, design, and delivery of complex energy conservation and infrastructure improvement projects while partnering closely with project managers, energy engineers, construction teams, and clients to deliver innovative, high-performance building solutions. If you're looking for an opportunity to lead projects, mentor engineers, and make a lasting impact on building performance, this role is your next step.

Engineers at McKinstry are unsurpassed in their ability to combine innovative problem solving with practical design solutions. Because of our Design-Build-Operate-Maintain (DBOM) approach, our engineers think beyond construction to how buildings will perform throughout their entire lifecycle. Every design decision is made with one goal in mind-delivering high-performance buildings that improve occupant comfort, reduce energy and operating costs, maximize client value, and support a more sustainable future.

Key Responsibilities

Team Leadership

• Provide technical leadership and mentorship to project engineers, supporting their growth and development.
• Lead engineering efforts across multiple ESPC projects while coordinating with cross-functional design and construction teams.
• Help balance workloads and identify resource needs to ensure successful project delivery.

Project Management

• Lead the engineering scope for complex energy savings and infrastructure projects from concept through construction.
• Coordinate with project managers to deliver projects on schedule, within budget, and aligned with client expectations.
• Support project planning, proposal development, and engineering efforts during project pursuits.
• Proactively identify and resolve technical challenges while managing scope, schedule, and design changes.

Engineering & Design

• Lead the design of mechanical HVAC systems, equipment selections, piping systems, controls integration, and energy conservation measures.
• Perform and review engineering calculations, design documents, specifications, and construction drawings.
• Coordinate designs across multiple engineering disciplines and with external partners.
• Evaluate existing building systems and develop practical, cost-effective solutions that improve performance, reliability, and efficiency.
• Support continuous improvement of engineering standards, tools, and design processes.

Client Partnership

• Serve as a trusted technical advisor and primary engineering contact for clients throughout project delivery.
• Build strong relationships with clients, partners, and internal stakeholders.
• Present engineering solutions and recommendations to clients and project teams.
• Support business development efforts by assisting with proposals, technical presentations, and project pursuits.

What We Would Like to See From You

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.
• 10+ years of mechanical engineering design experience, preferably supporting complex commercial building or energy infrastructure projects.
• Active Professional Engineer (PE) license required; NCEES Multi-State License preferred.
• Demonstrated experience leading engineering efforts on complex, multi-discipline projects.
• Strong knowledge of HVAC systems, central plants, energy conservation measures, and mechanical system design.
• Experience with Revit (5+ years preferred); familiarity with additional CAD/BIM platforms is a plus.
• Experience with energy modeling software such as IES VE, Carrier HAP, Trane Trace, Elite CHVAC, or similar tools preferred.
• Familiarity with software such as MATLAB, VBA, Python, InDesign, or similar engineering tools is a plus.
• Onsite construction experience is highly valued.
• LEED, WELL, or other sustainability accreditation is preferred.

PeopleFirst Benefits

When it comes to the basics, we have you covered:

• Competitive pay
• 401(k) with employer match and profit-sharing plan
• Paid time off and holidays
• Comprehensive medical, prescription, dental, and vision with low or zero deductible options and low out of pocket maximums

People come first at McKinstry, and we go beyond the basic benefits with:

• Family formation benefits, including adoption and IVF assistance.
• Up to 16 weeks paid parental leave.
• Transgender inclusive benefits
• Commuter benefits
• Pet insurance
• "Building Good" paid community service time.
• Learning and advancement opportunities via McKinstry University.
• McKinstry Moves onsite gyms or reimbursement for remote workers

See benefit plan documents for complete details.

If you're driven by our vision to build a thriving planet together, McKinstry is the place to build your career.

The pay range for this position is $120,510 - $204,900 per year; however, base pay offered may vary depending on job-related knowledge, skills, and experience. A bonus may be provided as part of the compensation package, in addition to a full range of medical, financial, and/or other benefits, dependent on the position offered. Base pay information is based on market location.

The McKinstry group of companies are equal opportunity employers. We are committed to providing equal employment opportunities to all employees and qualified applicants without regard to sex, gender identity, sexual orientation, age, race, color, creed, marital status, national origin, disability, veteran status, genetic information, or any other basis protected by law. This policy applies to all terms and conditions of employment including, but not limited to employment, advancement, assignment, and training. This commitment to Equal Employment Opportunity is made equally as a social responsibility and as an economic and business necessity.

McKinstry is a drug-free workplace. Employment iscontingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.

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