Office Administrator

Job Description

Job Description

Are you highly organized, detail-oriented, and someone who takes pride in keeping an office running smoothly? Do you enjoy wearing multiple hats across HR, benefits, executive support, and office administration? This Office Administrator / HR & Executive Assistant opportunity is perfect for someone who thrives in a fast-paced environment and enjoys being a trusted resource for both employees and leadership!

APEX Placement and Consulting has partnered with an established manufacturing company in Warren, Michigan to add an Office Administrator / HR & Executive Assistant to their growing team. This position will support employee benefits, HR administration, executive leadership, office operations, and administrative finance functions while reporting directly to the President / General Manager. Keep reading for more details!

What’s in it for you:

• Monday-Friday, 9:00am-5:00pm
• Full-time, salaried position
• Fully onsite position in Michigan
• $60,000-$75,000 annual salary based on experience
• Health insurance
• 401K
• Opportunity to take ownership of HR, office administration, and executive support functions within a growing organization
• Work directly with company leadership in a highly visible role

What your day will look like:

• Administer employee benefits, including health insurance and 401K enrollment, eligibility changes, employee questions, and coordination with vendors and carriers
• Maintain accurate and confidential employee records and HR files while ensuring documentation remains organized and audit-ready
• Support onboarding and offboarding processes, including new-hire paperwork, orientation logistics, and account/equipment setup coordination
• Provide executive support to the President / General Manager, including calendar management, correspondence, travel arrangements, and meeting preparation
• Oversee daily office operations, including vendor relationships, office supplies, facilities coordination, mail, and front-office responsibilities
• Handle administrative finance responsibilities, including invoice processing, expense tracking, and payroll-related support using QuickBooks and ADP
• Coordinate internal communications, meetings, and company events

What we are looking for:

• 3+ years of experience in office administration, HR, executive assistant work, or a combination of these areas
• Hands-on experience administering employee benefits, including health insurance and 401K plans
• Excellent organizational skills with strong attention to detail
• Ability to handle confidential employee and company information with sound judgment and discretion
• Strong written and verbal communication skills
• Ability to work independently, manage multiple priorities, and stay organized in a fast-paced environment
• Experience with ADP and QuickBooks is preferred
• Previous experience working in a manufacturing or industrial environment is preferred
• Dependable attendance and ability to work onsite Monday-Friday, 9:00am-5:00pm

At Apex, we actively encourage applications from underrepresented groups. Your unique experiences and perspectives are valuable to us, and we’re excited to see how you might contribute to our team. While we have outlined a set of qualifications for this role, we recognize that experience and skills can come from a variety of backgrounds. If you meet most of these qualifications and are eager to learn and grow with us, we invite you to apply.