O'Brien Interiors Group is the integrated interior solutions division of O'Brien Construction, a Michigan construction company with more than 60 years of experience and an award-winning safety record. Headquartered in Bloomfield, Michigan, with additional offices in Detroit, Grand Rapids, and North Canton, Ohio, O'Brien provides construction management and interiors services.
The Interiors Group delivers interior design and space planning, finish carpentry, in-house procurement and warehousing, unit renovations, and common area and amenity upgrades, with a strong focus on multifamily and senior housing. The team specializes in work within occupied buildings, and O'Brien has been named Detroit Free Press Michigan Top Workplace for seven consecutive years.
The Administrative Assistant Position
The Administrative Assistant supports the Executive Vice President in reaching successful project milestones and managing key business functions. This position organizes, communicates, and completes initiatives that keep projects on track, serving as a bridge between leadership, project teams, field staff, and Business Administration to ensure administrative and financial workflows run smoothly.
What You’ll Own
- Keep priorities moving. Track company, project, and team initiatives for the Executive Vice President. Organize all project activity and work with team to ensure budget information needed for review and approval.
- Create a strong start for new hires. Help coordinate orientation plans, leader communication, technology and workspace setup, welcome lunches and gifts, and training progress through the learning management system.
- Keep the office working well. Manage supplies, kitchen items, team lunches, office equipment, technology needs, maintenance, cleaning vendors, and service requests.
- Turn information into useful tools. Create polished PowerPoint presentations, Excel files, reports, and other materials that help leaders and teams make decisions and stay organized. Assist in agenda and meeting prep, meeting and initiative follow up, scheduling meetings, etc.
- Step in and solve problems. Respond to changing needs with sound judgment, a sense of urgency, and a willingness to help wherever coordination is needed.
What Will Help You Succeed
- You take ownership, manage deadlines, and follow through without needing constant direction.
- You are organized, detail-oriented, and comfortable balancing several priorities at once.
- You communicate professionally and proactively, and can work effectively with leaders, project teams, vendors, and new employees.
- You spot gaps, ask the right questions, and work toward practical solutions.
- You adapt when priorities change while keeping important details from falling through the cracks.
- You use discretion and represent the Company’s core values, integrity, and Code of Ethics.
What You’ll Bring
- 3-5 years of experience in executive support, administrative coordination, office management, or a similar role.
- Strong organizational and problem-solving skills, with close attention to detail.
- Proficiency with Microsoft Word, Excel, PowerPoint, SharePoint, and Teams.
- A valid driver’s license and the ability to travel to project sites as needed.
- A flexible, results-oriented approach and a strong sense of urgency.
Compensation, Benefits and Structure
The Administrative Assistant position offers a competitive salary based on experience, skills, and abilities, along with a competitive benefits package, paid time off, and opportunities for career advancement. A full-time presence split between the Bloomfield Township, MI office and client project sites is required.
Recruitment Process for the Administrative Assistant Position
The recruitment process includes a combination of preliminary phone screens and interviews, and a pre-employment background check. The process, which is being facilitated through EctoHR, Inc., is designed to ensure that candidates are aligned with our client's mission and vision.
O'Brien Interiors Group is an Equal Opportunity Employer!
#OBCJ
Skills Required
- 3-5 years of experience in executive support, administrative coordination, office management, or a similar role
- Strong organizational and problem-solving skills
- Close attention to detail
- Proficiency with Microsoft Word, Excel, PowerPoint, SharePoint, and Teams
- Valid driver's license
- Ability to travel to project sites as needed
- Flexible, results-oriented approach and strong sense of urgency
- Ability to manage deadlines, multiple priorities, and changing needs with limited direction
- Professional communication and ability to work with leaders, project teams, vendors, and new employees
- Discretion and adherence to company values and Code of Ethics
What We Do
Common Sail Investment Group (CSIG) is a privately owned and operated holding company based in Brighton, Michigan. Our philosophy of making the most out of every minute of every day, is infused throughout our operations. In fact, our passion for what we do is noticeable in everything we do. We serve and support our businesses with a unique shared services model that allows them to focus on their core business by centralizing all other necessary business functions including: Employee Experience, Financial, Implementation, Legal, Marketing, Operations, Performance, Project Management, Research, Strategy and Technology. Not Just Making Every Day Great. Making Every Minute Great. There are 1,440 minutes in every single day. We aspire to make each one of them an exceptional moment. This philosophy is supported by our 6 powerful, yet simple pillars: Dream Big, Have Courage, Take Initiative, Be Accountable, Give Back & Enjoy it. We strive to fulfill the aspirational yet unattainable goal of creating the absolute best experience with every person, in every interaction, every minute of every day. It begins with empowering our employees. Every employee, at every level of the company, is expected to perform like a leader. Everyone is encouraged and expected to put the needs of each other above everything else. No one here just “does their job” The mission is to create the absolute best experiences. This emphasis on putting people first has helped us successfully grow for the right reasons. Our environment attracts dreamers, adventurers, creators, givers and believers to seek career opportunities with us. We find people who believe that true happiness is only found in the service of others. We want high-performers with diverse skill sets and big hearts.









