Senior Mechanical Engineer - Design, Bid & Field Oversight

M.C. Dean, Inc.; Alexandria (VA); On-site; USD 125,000 - 188,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Paid time off

Tuition reimbursement

401k Retirement Plan

Military Reserve pay offset

Paid maternity leave

Job summary

M.C. Dean, a leader in building intelligence, seeks a Mechanical Engineer to lead design, bid, and execution of mechanical systems for mission-critical facilities.

This role requires technical expertise, field coordination, and project ownership from concept through completion. Ideal candidates have a BS in mechanical engineering, 7+ years of design or facilities experience, and the ability to obtain an Active Top Secret clearance with polygraph.

Qualifications

• Bachelor’s degree in mechanical engineering, or a related engineering discipline.
• 7+ years of progressive experience in mechanical design, project execution, or facilities engineering.
• Active Top Secret clearance required to start; must be willing to obtain a polygraph.
• Must have passed the NCEES FE exam.
• Proficiency in HVAC, plumbing, mechanical systems, and construction management.
• Experience with AutoCAD, Revit, MS Project, and engineering software (Carrier HAP, Trane Trace).
• Familiarity with ASHRAE standards, IBC, and local building codes.
• Strong communication, coordination, and documentation skills.

Responsibilities

• Design and review mechanical system designs (HVAC, piping, plumbing, and related infrastructure).
• Perform load calculations, equipment sizing, and system layouts using AutoCAD/Revit and relevant software.
• Ensure all designs comply with applicable codes, standards, and sustainability goals.
• Create scopes of work, technical specifications, and detailed bid packages.
• Evaluate contractor proposals and assist with bid selection and procurement strategy.
• Provide technical oversight during construction, repair, or retrofit projects.
• Coordinate closely with contractors, field technicians, and stakeholders.
• Perform site inspections, submittal reviews, punch lists, and ensure project quality and compliance.
• Monitor schedules and budgets, resolving issues to maintain project delivery standards.
• Provide engineering support for ongoing operations, preventive maintenance planning, and system troubleshooting.
• Collaborate with facilities managers and maintenance teams to identify system upgrades or lifecycle replacements.
• Maintain as-built documentation and contribute to asset management systems.

Skills

Project coordination

Technical oversight

Construction management

Documentation skills

Communication

Education

Bachelor's degree in mechanical engineering

Tools

AutoCAD

Revit

MS Project

Carrier HAP

Trane Trace

Job description

M.C. Dean, a leader in building intelligence, seeks a Mechanical Engineer to lead design, bid, and execution of mechanical systems for mission-critical facilities.

This role requires technical expertise, field coordination, and project ownership from concept through completion. Ideal candidates have a BS in mechanical engineering, 7+ years of design or facilities experience, and the ability to obtain an Active Top Secret clearance with polygraph.