Mechanical Design Engineer Jobs in Reston, VA (NOW HIRING)

Job Title: Mechanical Design Engineer

Job Description

This hybrid Mechanical Design Engineer role focuses on designing mechanical systems for a wide range of building projects, including commercial, infrastructure, government, K-12, higher education, healthcare, and laboratory facilities. You will use Revit and other design tools to develop high-quality mechanical designs, perform load calculations, and conduct regular site visits to assess existing conditions. This position offers a flexible hybrid schedule and strong opportunities for professional growth and advancement.

Responsibilities

• Design mechanical systems for building projects across sectors such as commercial, infrastructure, government, K-12, higher education, healthcare, and laboratories.
• Develop and model mechanical designs using Revit to produce accurate and coordinated construction documents.
• Perform mechanical load calculations using tools such as Trane Trace or Carrier HAP to size and select appropriate equipment.
• Conduct weekly site visits to assess existing building conditions and gather field data to inform design decisions.
• Collaborate with project teams to integrate mechanical designs with other disciplines and ensure constructability.
• Use AutoCAD as needed to support design, documentation, and coordination efforts.
• Apply mechanical engineering principles to create efficient, reliable, and code-compliant building systems.
• Review and update designs based on site findings, project requirements, and stakeholder feedback.
• Maintain accurate project documentation and design records in accordance with company standards.

Essential Skills

• 5-10 years of experience in mechanical engineering or mechanical design for building projects.
• Proficiency in Revit for mechanical system design and documentation.
• Experience performing load calculations using Trane Trace or Carrier HAP.
• Strong expereince in mechanical design for building systems across multiple project types.
• Ability to conduct site visits and assess existing mechanical and building conditions.
• Capability to work effectively in a hybrid environment, balancing in-office, remote, and field responsibilities.

Additional Skills & Qualifications

• Degree in Mechanical Engineering or experience as a Mechanical Designer is highly valued, though a degree is not strictly required.
• Experience using AutoCAD for mechanical design and drafting.
• Familiarity with a variety of building types, including commercial, infrastructure, government, K-12, higher education, healthcare, and laboratories.
• Strong communication and collaboration skills to work effectively with multidisciplinary project teams.
• Desire for career growth and willingness to take on increasing responsibility in a growing organization.

Work Environment

This position offers a hybrid work environment with three days per week in the office and two days working remotely. The role includes an average of one site visit per week to active or existing facilities to evaluate mechanical systems and building conditions. You will work with modern design tools such as Revit, Trane Trace or Carrier HAP for load calculations, and AutoCAD to support design and documentation. The organization promotes upward mobility and professional development, providing opportunities to advance your career while contributing to diverse and impactful building projects. Dress expectations align with a professional office setting and may be adjusted as appropriate for site visits.

Job Type & Location

This is a Contract to Hire position based out of Rockville, MD.

Pay and Benefits

The pay range for this position is $38.46 - $55.28/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Rockville,MD.

Application Deadline

This position is anticipated to close on Jun 4, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.