Senior Mechanical Engineer

At CNG Engineering, PLLC , our commitment to Engineer Exceptional & Equitable Environments for Everyone starts with the people who bring our purpose to life. We believe that opportunity, fairness, and inclusion are fundamental to fostering a workplace where every individual thrives.

We proudly provide equal employment opportunities to all employees and applicants, regardless of race, color, religion, gender, identity, ability, age, veteran status, or any other protected characteristic. Our hiring and employment practices align with federal, state, and local laws—ensuring that diversity is not just welcomed but valued.

At CNG, equity isn’t just a policy—it’s a principle. Because exceptional environments begin with empowered people.

At CNG Engineering, we’re more than MEP designers—we’re collaborators, problem-solvers, and advocates for better environments. Our purpose, Engineer Exceptional & Equitable Environments for Everyone , drives everything we do—from the systems we design to the people we hire.

Whether you're early in your career or a seasoned professional, you'll find a workplace that values creativity, integrity, and community impact. We take pride in building a culture that’s supportive, inclusive, and always evolving.

• Competitive salaries and benefits
• 100% employer-paid medical plans
• Hybrid work environment with remote half-day Fridays
• $10% signing bonuses for senior-level roles
• Generous PTO and paid holidays
• Commitment to professional development and mentorship
• Be a part of Projects that serve communities across Texas—from state-of-the-art campuses to healthcare facilities and civic landmarks

Here, your work matters. Your growth is supported. And your ideas help shape spaces where people learn, heal, work and thrive.

Ready to engineer what’s next?

We’re always looking for passionate individuals who want to make a difference through design.

Position:Senior Mechanical Engineer

Location: San Antonio, TX

Job :139

# of Openings:1

Senior Mechanical Engineer

Type:
Full-Time

At CNG Engineering, PLLC , we believe engineering is about people first. As a values-driven MEP design firm, we are committed to creating sustainable, equitable environments that support how communities learn, work, and thrive. Our projects span municipal, healthcare, education, aviation, and commercial facilities—and our culture is rooted in collaboration, integrity, and excellence.

We are seeking a Senior Mechanical Engineer who leads with purpose, supports their team like family, and takes pride in delivering thoughtful, high-quality mechanical and plumbing designs. This role is ideal for a steady, optimistic leader who values continuous growth and thrives in a collaborative environment.

At CNG, our culture is built on six core values:

• Family: We believe in showing up for each other—with honesty, care, and support. Whether at work, at home, or in the community, we build relationships that feel like family.
• Integrity: We do the right thing, even when it’s not easy. We act with respect, take ownership, and keep our word.
• Personal Growth: We are always learning—about our craft, our industry, and ourselves. Growth isn’t just a goal; it’s how we live.
• Perseverance: Challenges don’t shake us. We stay focused, optimistic, and keep moving forward—with confidence and drive.
• Excellence: We take pride in our work and hold ourselves to a higher standard, delivering exceptional results.
• Teamwork: We share ideas, genuinely listen, and work in sync. We are better together – achieving more.

As a Senior Mechanical Engineer , you will serve as a technical leader, mentor, and collaborator. You’ll guide HVAC and plumbing projects from concept through construction, support the growth of your team, and help deliver environments that are efficient, sustainable, and equitable for the people who use them.

• Serve as Engineer of Record for mechanical and plumbing disciplines.
• Design and develop HVAC and plumbing systems that prioritize performance, sustainability, and occupant comfort.
• Perform and verify load calculations to support sound…