Senior Residential Mechanical Designer

• Lead the preparation, review, and validation of HVAC load calculations, duct sizing, ventilation strategies, and equipment sizing in accordance with ACCA Standards and applicable energy codes
• Serve as a senior technical resource for the analysis and design teams
• Perform advanced QA/QC reviews of residential mechanical designs and energy modeling deliverables
• Identify design, compliance, or workflow issues and communicate recommendations and resolution options to management
• Manage complex project scopes, deliverables, milestones, and priorities
• Establish and adjust project timelines based on project demands and changing conditions
• Develop technical solutions and process workarounds to maintain project progress and quality standards
• Coordinate and validate design relationships with internal departments, clients, builders, architects, and other stakeholders
• Interpret client requirements, jurisdictional constraints, and project-specific design considerations
• Use and adapt to Manual J Software, AutoCAD, Wright soft/Wrightdraw, RESCheck, REM/Rate, and emerging technologies
• Maintain project documentation, calculations, and reporting through Excel, SharePoint, and internal systems
• Interface with Operations, Owners, Builders, and Subcontractors to resolve technical issues and communicate project impacts
• Maintain knowledge of IECC requirements, state energy codes, and residential mechanical design standards
• Support internal best practices, templates, and process improvements
• Train and mentor junior and mid-level team members
• Assist with onboarding and technical development initiatives
• Participate in continuing education, certifications, and professional development related to residential HVAC design and green building practices

• B.S. Degree in Mechanical Engineering or related field is required
• Minimum 3+ years of relevant experience in Residential Mechanical (HVAC) Design required
• Advanced proficiency in AutoCAD required
• Advanced proficiency in HVAC load calculations required
• Advanced proficiency using Wright Soft or similar residential HVAC design software required
• Advanced understanding of ACCA Manual J, Manual D, and Manual S methodologies
• Strong working knowledge of IECC, ENERGY STAR®, and state residential energy code requirements
• Experience working with green building programs and high-performance residential construction preferred
• EIT is strongly encouraged, but not required
• Advanced proficiency in Excel and Share Point
• Strong attention to detail and accuracy
• Deadline-oriented with ability to manage multiple projects simultaneously
• Efficient time management and organizational skills
• Effective interpersonal and collaboration skills
• Excellent verbal and written communication skills
• Ability to read, write, and comprehend technical instructions and documentation
• Strong analytical and problem-solving abilities
• Ability to work independently with minimal oversight while supporting team development
• Must be able to work in a hybrid remote/office schedule based in Fairfax, VA
• New hires must complete identity and employment eligibility verification through E-Verify

Demonstrates advanced proficiency in HVAC load calculations, AutoCAD, and residential mechanical design, while effectively managing project timelines and deliverables. Possesses strong analytical skills and the ability to communicate technical solutions and compliance requirements to diverse stakeholders.

• HVAC Load Calculations
• AutoCAD Proficiency
• Wright Soft Software Expertise
• ACCA Manual J, D, S Methodologies
• IECC Compliance Knowledge

• HVAC Load Calculations
• AutoCAD Proficiency
• Wright Soft Software Expertise
• Excel Proficiency
• SharePoint Proficiency
• Energy Modeling
• Mechanical Design Standards
• Project Management
• Technical Documentation
• Quality Assurance/Quality Control

• Attention to Detail
• Time Management
• Organizational Skills
• Interpersonal Skills
• Analytical Problem-Solving

• EIT (Encouraged)

• Residential Mechanical Design
• Energy Codes
• Green Building Practices
• High-Performance Construction
• ACCA Standards

• Manual J Software
• Wright soft/Wrightdraw
• RESCheck
• REM/Rate
• Excel
• Share Point