Senior Mechanical Engineer – Federal Experience

AECOM

Senior Mechanical Engineer designing HVAC and plumbing systems for AECOM’s federal and mission-critical infrastructure projects. Supporting construction administration, client proposals, field evaluations, and junior staff mentorship.

Posted 8/4/2026full-timeRemote • Virginia • 🇺🇸 United StatesSenior💰 $150,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in HVAC and plumbing system design, project management, and client interaction, with a strong focus on quality control and budget adherence. Proficient in building load calculations, energy modeling, and mentoring junior staff within a multi-discipline team environment.

Highest-signal resume keywords

HVAC System DesignPlumbing System DesignAutoCADRevitProfessional Engineer (PE)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical DesignBuilding Load CalculationEnergy ModelingCost EstimatingInstrumentation and Controls Design

Soft Skills

Excellent Communication SkillsTime ManagementAttention to DetailStrong Work Ethic

Certifications & Qualifications

LEED APCxACEM

Industry Keywords

DoDNAVFACUSACEVAMCUSAFDesign-BuildConstruction AdministrationMulti-Discipline Team

About the role

Key responsibilities & impact

Lead or assist with HVAC and plumbing system design for DoD and mission-critical facility projects
Perform construction administration services, including shop drawing and RFI reviews and evaluation of contractor-proposed change orders
Evaluate alternative design approaches with senior team members
Perform site and field visits to assess existing conditions and evaluate equipment condition
Organize and plan projects to meet quality controls and project criteria within budget
Assist with preparing proposals and presenting to clients
Mentor junior staff within the Mechanical Department
Review and edit specifications
Interact and work with clients and subcontractors

Requirements

What you’ll need

Bachelor’s degree in Mechanical Engineering from an ABET-accredited Mechanical Engineering program
6+ years of experience in mechanical design of HVAC and plumbing systems or demonstrated equivalency of experience and/or education
U.S. citizenship required due to federal contract/security requirements
Professional Engineer (PE) preferred
Experience using AutoCAD and Revit preferred
Ability to interact with others on a multi-discipline team
Ability to work on multiple projects at once
Excellent communication skills and ability to present designs to clients
Good time management, strong work ethic, and attention to detail
Proficiency in building load calculation and energy modeling
Proficiency in plumbing system design, including sanitary, storm, and water distribution systems
Energy modeling experience a plus
Cost estimating experience a plus
Design-Build and alternate delivery practices experience a plus
Instrumentation and controls design experience a plus
Additional industry certifications such as LEED AP, CxA, or CEM
Federal experience with NAVFAC, USACE, VAMC, DoD, or USAF preferred

Benefits

Comp & perks

Medical, dental, and vision benefits
Life and AD&D benefits
Disability benefits
Paid time off
Leaves of absence
Voluntary benefits and perks
Flexible work options
Well-being resources
Employee assistance program
Business travel insurance
Service recognition awards
Retirement savings plan
Employee stock purchase plan
Award-winning training and development programs
In-person Day 1 onboarding at an AECOM office location