Senior Mechanical Engineer

EOE Statement

Our culture of innovation and collaboration fosters creativity and encourages employees to do their best work.

MJ is an Equal Opportunity Employer - all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristics protected by law.

Applicants who wish to apply for an open position with MJ who require reasonable accommodation in order to complete the application process may contact MJ's Human Resources Department at to request assistance.

Facilities

Description

At McFarland Johnson (MJ), you'll own your future. We're a 100% employee-owned firm with 80 years of experience delivering innovative engineering, planning, environmental, technology, and construction solutions that make a lasting impact on the clients and communities we serve.

Certified as a Great Place to Work, our employee-owners describe MJ's culture as collaborative, people-focused, and supportive. Join us, and help shape the future of infrastructure together.

We're looking for a Senior Mechanical Engineer to join our growing Facilities division in Philadelphia, PA. This is more than just a job - it's a chance to shape your career, grow alongside a collaborative team, and help design the future of infrastructure solutions across the country.

Position Summary

Additionally, you will serve as the primary client contact and provide technical mentorship to junior staff.

• Lead the design and analysis of HVAC, plumbing, mechanical, and building systems for complex infrastructure and facilities projects.
• Serve as the primary point of contact for clients, managing relationships and ensuring project goals are met on time and within budget.
• Oversee all project phases, including planning, design, specifications, construction documents, bidding, and construction administration.
• Mentor and provide technical guidance to junior engineers and project staff.
• Coordinate across multidisciplinary teams, including electrical, architectural, and civil disciplines.
• Conduct code analysis and ensure compliance with applicable standards and regulations.

• Bachelor's Degree in Mechanical Engineering or related field required.
• PE licensure preferred; EIT considered for candidates actively pursuing licensure.
• 6 to 12 years of mechanical design experience in commercial, industrial, and institutional building facilities.
• Strong working knowledge of Revit MEP, AutoCAD, and MS Office.
• Demonstrated ability to manage project budgets, schedules, and client relationships.
• Superior organizational and interpersonal skills with the ability to work effectively across multidisciplinary teams.
• Sustainable design experience with LEED accreditation a plus.

• Career Growth: Accelerate your professional career with opportunities to lead, learn, and expand your expertise.
• Collaborative Culture: Work alongside multidisciplinary teams that thrive on creativity, support, and teamwork. Collaborative is the most frequent word used to describe MJ's culture in the annual employee survey.
• Employee Ownership: As a 100% ESOP, your contributions directly shape our shared success - you own your future.
• Innovation & Impact: Work on projects that push boundaries, drive sustainability, and create real-world solutions.
• Professional Development: From mentorship, ongoing technical training, and conferences we invest in your growth every step of the way.
• Work-Life Balance: Enjoy flexible schedules, generous PTO, and a culture that values balance so you can thrive both professionally and personally.
• Shape the next generation: For experienced professionals, MJ offers the chance to mentor emerging talent, share your expertise, and leave a lasting legacy in the industry.

• Competitive base salary with a performance-based incentive payment plan/bonus structure.
• Comprehensive benefits package, including medical, dental, and vision coverage.
• Generous Paid Time Off, including Parental Leave.
• Company-funded ESOP + 401(k) employer match.
• Ongoing technical training and professional development opportunities.

Join Us and Make a Difference

Join a team where your work has purpose, your ideas are valued, and your growth is personal. Apply today and become a part of a company where you can #ownyourfuture.

Position Requirements

Full-Time

Days

City

State

Keywords

Pay Range

Non-Exempt

3/26/2026

This position is currently accepting applications.