Mechanical Engineer jobs in Fairfax

Overview M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company's capabilities include electrical, electroni

Nationwide IT Services

Electrical/Mechanical Engineer - Senior Clearance requirement: Must possess or be able to obtain a Secret security clearance. Nationwide IT Services (NIS) is seeking a Senior Electrical/Mechanical Engineer to support a large-scale federal facilities engineering and infrastructure effort. This positi

Job Summary:CMTA, a Legence company, is looking for an entry-level Mechanical Engineer to help in our Energy Solutions offices in the following regions: Baltimore MD Fairfax VA Richmond VA Boston MA California Illinois The Energy Solutions division of CMTA is the fastest growing division of our larg

CACI International, Inc.

$61,100 - $122,200 /year

Job Title: Mechanical Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: We are seeking a highly motivated Mechanical Engineer to join our dynam

Join the team that keeps aircraft flying smart and safe. At LMS we don’t just design aerospace fuel management systems, we engineer precision, reliability, and innovation into every drop. As a Mechanical Engineer, you’ll help us fuel system components for some of the world’s leading aerospace progra

Position Title: Principal Mechanical Engineer Requisition ID: 1833 Position Location: Sterling, VA Position Reports To: Manager, Mechanical Engineering Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to

The core business of our Energy Solutions division is the delivery of Guaranteed Energy Savings Performance Contracts (ESPCs). Simply put, our ESPCs are a viable way to upgrade and renovate facilities in a budget-neutral or even budget-positive way. The process diverts money already being spent on u

The core business of our Energy Solutions division is the delivery of Guaranteed Energy Savings Performance Contracts (ESPCs). Simply put, our ESPCs are a viable way to upgrade and renovate facilities in a budget-neutral or even budget-positive way. The process diverts money already being spent on u

Position Title: Principal Mechanical Engineer Requisition ID: 1790 Position Location: Sterling, VA Position Reports To: Manager, Mechanical Engineering Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to

Job Description Dewberry has an opportunity for an Entry Level Mechanical Engineer to join a growing group of professional engineers in our Fairfax, VA office. Dewberry is a leading, market-facing professional services firm with more than 60 locations and 2,500 professionals nationwide. What sets us

CMTA, a Legence company, is looking for an experienced Engineer to help expand our reach in new markets. The Energy Solutions division of CMTA is the fastest growing division of our large and growing company. The successful candidate is typically a self-motivated individual that thrives on helping c

Job Description Join Dewberry as a Mechanical Engineer: Innovate Sustainable Solutions in a High-Performing, Flexible, and Collaborative Environment at our Fairfax, VA headquarters! In this vital role, you will thrive in a dynamic, multi-discipline team environment, taking charge of designing and pr

The core business of our Energy Solutions division is the delivery of Guaranteed Energy Savings Performance Contracts (ESPCs). Simply put, our ESPCs are a viable way to upgrade and renovate facilities in a budget-neutral or even budget-positive way. The process diverts money already being spent on u

Mechanical Engineering New Graduate | Fairfax, VA 100% Employee-Owned · Big-firm resources, local-team relationships, ONE IMEG culture This posting is for Summer 2027 New Graduate opportunities. IMEG is hiring a Mechanical Engineering New Graduate in Fairfax, VA. This entry-level role offers hands-o

The core business of our Energy Solutions division is the delivery of Guaranteed Energy Savings Performance Contracts (ESPCs). Simply put, our ESPCs are a viable way to upgrade and renovate facilities in a budget-neutral or even budget-positive way. The process diverts money already being spent on u

Dewberry Engineers Incorporated

Mechanical Engineer Job ID 15822 # of Openings 1 Job Location US-VA-Fairfax Category Mechanical Relocation Assistance No Job Description Join Dewberry as a Mechanical Engineer: Innovate Sustainable Solutions in a High-Performing, Flexible, and Collaborative Environment at our Fairfax, VA headquarter

Description GPI seeks a Project Manager - Senior Mechanical HVAC Engineer for our Metro DC branch in Rockville, MD, or the Fairfax, VA office. In this role, you will have the opportunity to grow and direct a project team. Do you value a company that puts employee satisfaction and diversity at the fo

CMTA, a Legence company CMTA (https://www.cmta.com/) is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic

Dewberry

Job Description Dewberry has an opportunity for an Entry Level Mechanical Engineer to join a growing group of professional engineers in our Fairfax, VA office. Dewberry is a leading, market-facing professional services firm with more than 60 locations and 2,500 professionals nationwide. What sets us

Salary : $88,765.46 - $155,339.60 Annually Location : HERRITY BUILDING (B-2), 12055 GOVERNMENT CENTER PKWY, FAIRFAX (EJ26), VA Job Type: FT Salary W BN Job Number: 26-01444 Department: Park Authority Opening Date: 09/26/2026 Closing Date: 10/30/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open