Demo

Custom Builder Design Manager

Marnie Custom Homes
Bethany, DE Full Time
POSTED ON 7/18/2026
AVAILABLE BEFORE 9/17/2026

Job Overview

The Custom Home Design Manager is responsible for leading the design, specification, purchasing, and execution of several of the most architecturally significant components of Marnie Custom Homes' luxury custom residences.

This role requires a highly organized professional with an exceptional eye for detail and a deep understanding of residential construction, architectural millwork, premium exterior building products, and custom detailing. The Design Manager transforms architectural plans and client vision into detailed material specifications, purchase orders, and installation scopes that ensure every home is built exactly as designed.

The ideal candidate possesses extensive knowledge of luxury residential construction, outstanding communication skills, and the ability to manage multiple high-end custom homes simultaneously while maintaining Marnie Custom Homes' uncompromising quality standards.

This position reports to the Senior Design Manager.

Primary Responsibilities:

Construction Document Analysis

  • Analyze architectural plans, interior elevations, specifications, engineering drawings, and design intent.
  • Identify missing information and coordinate with architects, designers, vendors, and field teams.
  • Develop detailed material takeoffs and scopes of work.
  • Ensure selections are coordinated across all disciplines before purchasing.

Client Design Management

  • Guide homeowners through assigned design selections.
  • Present product options that align with the architectural vision and project budget.
  • Prepare pricing and obtain written approvals.
  • Document all selections within Buildertrend and company systems.
  • Manage design revisions throughout construction.

Purchasing & Vendor Management

  • Prepare and issue purchase orders.
  • Negotiate pricing with suppliers and subcontractors.
  • Verify quantities, specifications, and lead times.
  • Monitor production schedules and proactively manage backorders.
  • Research alternative products when necessary while maintaining design intent.

Technical Product Expertise

The Design Manager serves as the company's subject matter expert for assigned product categories and provides technical guidance to clients, architects, superintendents, and subcontractors.

The ideal candidate demonstrates advanced knowledge of:

Millwork

  • Interior trim packages
  • Crown mouldings
  • Baseboard systems
  • Casing profiles
  • Coffered ceilings
  • Feature walls
  • Custom built-ins
  • Stair systems
  • Handrails
  • Newels
  • Balusters
  • Cabinet trim details
  • Wood species
  • Finish carpentry techniques
  • Installation sequencing

Exterior Building Products

  • Windows
  • Exterior doors
  • Entry systems
  • Garage doors
  • Siding systems
  • Exterior trim
  • Roofing
  • Decking
  • Rail systems
  • Decorative shutters
  • Porch systems
  • Screen systems
  • Waterproofing interfaces
  • Coastal product performance
  • Manufacturer installation requirements

Coordination During Construction

  • Coordinate with Project Managers and Superintendents to ensure materials arrive before installation.
  • Resolve field conflicts before they impact construction.
  • Conduct quality reviews of shop drawings and submittals.
  • Review change orders.
  • Assist with problem solving throughout construction.

Vendor Relationships

  • Develop long-term partnerships with manufacturers and suppliers.
  • Evaluate new products and technologies.
  • Assist with onboarding new vendors.
  • Ensure vendors maintain insurance and contract requirements.

Pay: $75,000.00 - $115,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Paid time off
  • Professional development assistance
  • Vision insurance

Work Location: In person

Salary : $75,000 - $115,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Custom Builder Design Manager?

Sign up to receive alerts about other jobs on the Custom Builder Design Manager career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$127,453 - $176,525
Income Estimation: 
$140,739 - $196,237
Income Estimation: 
$167,230 - $231,692
Income Estimation: 
$145,106 - $205,475
Income Estimation: 
$126,605 - $188,211
Income Estimation: 
$136,154 - $183,823
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Custom Builder Design Manager jobs in the Bethany, DE area that may be a better fit.

  • Ashton Pools By Design Rehoboth Beach, DE
  • THE OPPORTUNITY Ashton Pools by Design is seeking a high-level Marketing & Growth Manager to own the entire lead-to-revenue ecosystem. You will lead our br... more
  • 15 Days Ago

  • Oakland Manager LLC Waretown, NJ
  • General Manager – Retail Dispensary Lead People. Drive Performance. Shape the Future of Cannabis Retail. At Justice Grown, we're looking for a dynamic reta... more
  • 12 Days Ago

AI Assistant is available now!

Feel free to start your new journey!