Senior Mechanical Engineer – MEP

Submer

Senior Mechanical Engineer designing HVAC and mechanical systems for mission-critical facilities. Leading design and optimization of mechanical systems in high-performance infrastructure projects.

Posted 4/20/2026full-timeHouston • Texas • 🇺🇸 United StatesSeniorWebsite

About the role

Key responsibilities & impact

Lead MEP mechanical system design for HVAC, chilled water systems, air distribution, ventilation, and other mechanical building systems for mission-critical facilities.
Develop technical specifications, load calculations, mechanical layouts, 3D models, and construction drawings in accordance with project requirements and industry standards.
Perform thermal load calculations, fluid flow analysis, and equipment sizing (chillers, pumps, CRAHs/CRACs, heat exchangers, piping networks, etc.).
Ensure designs comply with relevant codes and standards (ASHRAE, IMC, IPC, NFPA, local building codes).
Collaborate closely with electrical, structural, controls, and architectural teams to integrate mechanical systems into coordinated facility designs.
Review and support submittals, shop drawings, procurement packages, and equipment selections.
Oversee field investigations, site surveys, construction support, and commissioning for mechanical systems.
Troubleshoot and optimize mechanical systems during start-up, testing, and operational phases.
Mentor junior mechanical engineers, conducting technical reviews and providing guidance on best practices.
Support continuous improvement of internal design standards, QA/QC procedures, and documentation.
Assess and evaluate emerging HVAC and mechanical technologies to improve efficiency, sustainability, and resiliency in facility designs.

Requirements

What you’ll need

Bachelor's degree in Mechanical Engineering or a related field.
8+ years of MEP mechanical engineering experience, preferably in data centers, industrial facilities, commercial buildings, or other mission-critical environments.
Strong knowledge of HVAC design, hydronic systems, air distribution, and mechanical utilities.
Proficiency in MEP design tools and CAD platforms (AutoCAD, Revit, SolidWorks, or similar) and engineering analysis software (e.g., Trace, HAP, CFD tools).
Solid understanding of ASHRAE standards, mechanical codes, and MEP best practices.
Experience with construction administration, field inspections, and commissioning.
Strong analytical, problem-solving, and communication skills.
Experience leading small teams or mentoring junior engineers.
Professional Engineer (P.E.) license in Texas is a strong plus (or ability to obtain).

Benefits

Comp & perks

Attractive compensation package refleting your expertise and experience.
Medical Insurance Plan.
401k Employee volunteer contribution Plan.
A great work environment characterised by friendliness, international diversity, flexibility, and a hybrid-friendly approach.
You´ll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

HVAC designchilled water systemsthermal load calculationsfluid flow analysisequipment sizingmechanical layouts3D modelingconstruction drawingsMEP designmechanical utilities

Soft Skills

analytical skillsproblem-solvingcommunication skillsmentoringteam leadership

Certifications

Bachelor's degree in Mechanical EngineeringProfessional Engineer (P.E.) license