Senior MEP Engineer – Transit & Public Infrastructure

EXP; Towson (MD); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Vacation time

401(k) retirement benefits

Job summary

EXP is seeking a Senior Mechanical Engineer to lead the design and delivery of HVAC, plumbing, and mechanical systems for Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects across the Mid-Atlantic region.

You will mentor junior engineers, coordinate with multidisciplinary teams, and ensure compliance with NFPA standards and building codes while delivering high-quality, on-time projects.

Qualifications

• Bachelor's degree in Mechanical Engineering from an accredited institution.
• Professional Engineer (PE) license required; registration in Washington, DC, Maryland, and Virginia preferred.
• Minimum 10 years of progressive experience in mechanical engineering design and project delivery.
• Strong expertise in HVAC systems design, load calculations, equipment selection, and mechanical system analysis.
• Experience preparing engineering calculations, specifications, technical reports, and construction documents.
• Knowledge of plumbing and fire protection system design and coordination.
• Experience with public infrastructure projects including transit, transportation, rail, aviation.
• Familiarity with NFPA standards and building codes; NFPA 130 is desirable.
• Proficiency with Revit MEP, AutoCAD, and HVAC design software.
• Strong project management, communication, leadership, and client-facing skills.
• Mentoring junior staff and leading multidisciplinary design teams.

Responsibilities

• Lead the design and delivery of HVAC, plumbing, and mechanical systems from planning through construction.
• Prepare and review engineering calculations, load analyses, one-line diagrams, studies, reports, and technical specifications.
• Perform equipment sizing, selection, and scheduling for airside and hydronic systems.
• Develop equipment room layouts and system concepts during planning and design phases.
• Design and coordinate mechanical systems for transit stations, facilities, tunnels, and public infrastructure.
• Coordinate with architectural, structural, electrical, civil, and fire protection disciplines.
• Review codes, standards, and client requirements to ensure compliance (NFPA, building codes).
• Conduct QA/QC reviews of calculations, drawings, specifications, and deliverables.
• Support PMs with scope, budgeting, planning, scheduling, and client communications.
• Review submittals, respond to RFIs, perform field investigations, and support construction administration.
• Develop sequences of operation and system performance analyses.

Skills

HVAC design

Load calculations

Equipment selection

Project management

Mentoring

Revit MEP

AutoCAD

Communication

Leadership

Education

Bachelor's degree in Mechanical Engineering

Professional Engineer (PE) license

Maryland/DC/VA license preferred

Tools

Revit MEP

AutoCAD

HVAC design software

Job description

EXP is seeking a Senior Mechanical Engineer to lead the design and delivery of HVAC, plumbing, and mechanical systems for Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects across the Mid-Atlantic region.

You will mentor junior engineers, coordinate with multidisciplinary teams, and ensure compliance with NFPA standards and building codes while delivering high-quality, on-time projects.