Demo

Assistant Construction Project Manager - Interiors

Onni Group of Companies
Seattle, WA Full Time
POSTED ON 7/31/2026
AVAILABLE BEFORE 8/29/2026
Job Description

The Assistant Project Manager – Interior Design supports the planning, design coordination, execution, and closeout of high-rise residential projects, with a primary focus on interior design implementation. This role ensures design intent is executed accurately and aligned with budget, schedule, and company standards.

Perks And Benefits

When you feel good, you do good. At Onni we put your health at the forefront and give you the choice to select a benefits package that best represents you. From no cost to $18, $44, or $112 per pay our PPO, HSA, and HMO have you covered. In addition, we offer:

  • 3 weeks PTO
  • 401(k) employer match
  • Annual education allowance of up to $1,000
  • Referral program
  • Free Onsite Parking or Commuting Support
  • Residential housing discount after 1 year of continuous employment
  • Friends and family rates for our Hotel Properties throughout the company

What Will You Do?

  • Assist in initiation, planning, execution, and closeout of high-rise residential projects.
  • Coordinate designers, consultants, engineers, subcontractors, and vendors.
  • Develop and maintain interior project schedules and monitor critical path items.
  • Assist with budgeting, cost estimating, and value engineering for interior scopes.
  • Manage RFIs, submittals, change orders, and subcontractor invoices.
  • Lead finish palettes, material selections, and FF&E specifications.
  • Review reflected ceiling plans, lighting plans, elevations, and interior details.
  • Oversee FF&E procurement and installation.
  • Conduct field verifications and maintain punch lists.
  • Ensure compliance with ADA and building codes.
  • Support quality control and resolve field design issues.
  • Participate in post-project reviews.

Interior Design & Technical Oversight

  • Lead and coordinate finish palettes, materials selections, and FFE&F specification for residential units amenities, and common areas
  • Review and manager construction drawings including reflected ceilings plans, lighting plans, electrical plans, and interior elevations.
  • Ensure interior design documentation aligns with architectural drawings and construction requirements.
  • Oversee procurement, bidding, and installation of FF&E packages
  • Review shop drawings and submittals for compliance with design intent
  • Conduct field verifications to ensure finishes and installations meet design specifications
  • Ensure compliance with building codes, ADA requirements, and applicable regulations
  • Stay current with residential market trends, materials, and high-rise design standards

Pre-Construction & Budget Management

  • Assist with quantity take-offs and bid packages for interior scopes
  • Perform cost analysis of material selections and recommend value-engineering solutions
  • Maintain project cost databases and track interior budget performance
  • Prequalify vendors and subcontractors for finish trades
  • Draft and administer subcontracts related to interior scopes

Field Engineering & Quality Control

  • Support overall quality control for interior finishes and detailing
  • Conduct site walks to verify installations align with drawings and specifications

What You Bring

  • Minimum 3 years of Project Engineer experience
  • Experience in ground up high rise construction.
  • Associate’s degree or higher in Interior Design, Interior Architecture, Construction Management, or related field preferred
  • Strong knowledge of construction methods, detailing, and building codes
  • Proficiency in MS Project, MS Outlook, MS Word, MS Excel, and MS Windows
  • Ability to guide, direct, and coordinate a department with five or more employees
  • Demonstrated ability to effectively run a department in an efficient manner
  • Ability to read, analyze, and interpret prints, architectural drawings, financial and job cost reports
  • Excellent knowledge of the industry and trends impacting the business
  • Excellent customer service orientation and excellent interpersonal skills
  • Excellent oral and written communication skills
  • Develop and maintain punch lists for residential units and amenity spaces
  • Assist in preparing project-specific safety plans and conducting site safety reviews
  • Troubleshoot field conditions and coordinate design solutions with consultants

Salary Range

$120,000-$140,000

About The Company

Onni

For over half a century, Onni has been building communities for people to live, work, and play. Our success reflects our commitment to our employees and partners, and our dedication to quality construction, innovation, sustainability, and customer satisfaction. Our expertise expands across North America, with offices in Vancouver, Toronto, Los Angeles, Seattle, Phoenix, and Chicago.

AI Use

This role may involve the use of artificial intelligence (AI) tools to support research, analysis, content development, design, reporting, or operational efficiency. Employees are expected to use AI responsibly and in compliance with company policies, data privacy requirements, confidentiality obligations, and applicable laws.

All AI-generated or AI-assisted outputs must be reviewed for accuracy, quality, and appropriateness before use. Employees are also expected to disclose when AI tools have been used in the creation of work and must not present AI-generated content as solely their own original work.

How To Apply

Please apply through the link on the job posting and attach your resume and any other required documents.

We thank all applicants for your interest in the Onni Group. Note that only those applicants under consideration will be contacted.

Salary : $120,000 - $140,000

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 Assistant Construction Project Manager - Interiors?

Sign up to receive alerts about other jobs on the Assistant Construction Project Manager - Interiors career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$110,166 - $150,275
Income Estimation: 
$152,161 - $215,697
Income Estimation: 
$104,795 - $138,936
Income Estimation: 
$130,999 - $179,391
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

Job openings at Onni Group of Companies

  • Onni Group of Companies Seattle, WA
  • Job Description The Technical Interior Designer is responsible for producing drawings, not just directing others. This role is fluent in industry-standard ... more
  • 3 Days Ago

  • Onni Group of Companies Los Angeles, CA
  • Job Description The Custodian’s primary responsibilities is the upkeep of the assigned property and performs general, routine custodial duties, to include ... more
  • 4 Days Ago

  • Onni Group of Companies Chicago, IL
  • Job Description: The Marketing Coordinator is responsible for the full coordination and execution of several projects. The Marketing Coordinator is also in... more
  • 5 Days Ago

  • Onni Group of Companies Los Angeles, CA
  • Job Description Onni Mission Critical is building a new kind of digital infrastructure platform — urban, connected, edge-located, and purpose-repositioned ... more
  • 5 Days Ago


Not the job you're looking for? Here are some other Assistant Construction Project Manager - Interiors jobs in the Seattle, WA area that may be a better fit.

  • Skyline Construction Seattle, WA
  • Skyline is Building Better Together Come join us at Skyline Construction, a leader in commercial interior construction founded in 1996. Today, Skyline oper... more
  • 17 Days Ago

  • Skyline Construction Seattle, WA
  • Skyline is Building Better Together Come join us at Skyline Construction, a leader in commercial interior construction founded in 1996. Today, Skyline oper... more
  • 29 Days Ago

AI Assistant is available now!

Feel free to start your new journey!