Part Time Administrative Assistant​/Office Manager

Part Time Administrative Assistant/Office Manager Address 2016 Straits Turnpike, Middlebury, CT, 06762, US Compensation $25.00/hour

Job Description

🚀 Join a Growing Trades Team:
Part-Time Administrative Assistant / Office Manager Needed at DDM Mechanical LLC!

Job Title: Part-Time Administrative Assistant / Office Manager
Company Name: DDM Mechanical LLC
Salary: $25.00 /hr depending on experience

DDM Mechanical LLC is seeking a detail-oriented and dependable Administrative Assistant / Office Manager to support our daily operations. This part-time role is ideal for someone who thrives in a fast-paced, hands-on environment and brings strong organizational and communication skills to the table. You will be responsible for overseeing administrative tasks including payroll, certified payroll reporting, scheduling, and general office management.

Familiarity with Service Titan software is a plus.

DDM Mechanical LLC is a trusted provider of high-quality plumbing and HVAC solutions for both residential and commercial clients. Known for precision, professionalism, and customer satisfaction, our team is committed to excellence on every project. At DDM Mechanical, our people are our greatest asset—we value integrity, hard work, and the drive to grow alongside a company that’s building a lasting reputation in the trades.

• Process and manage weekly payroll and certified payroll reports.
• Oversee daily office operations, including inventory, supplies, and administrative systems.
• Manage scheduling for service technicians, project work, and client appointments.
• Maintain records and documentation for compliance and billing purposes.
• Support day-to-day communication with team members, clients, and vendors.
• Assist with general bookkeeping and invoicing tasks as needed.
• Coordinate with management to ensure smooth internal workflows.
• Utilize Service Titan software for scheduling, invoicing, and job tracking (preferred).
• Perform other administrative duties as assigned to support the efficiency of the office.

• Previous experience in an administrative or office management role (required).
• Proficiency in payroll processing and certified payroll documentation.
• Strong organizational and time-management skills.
• Excellent communication and interpersonal skills.
• Proficiency in Microsoft Office (Word, Excel, Outlook).
• Experience with Service Titan or similar field service management software (preferred).
• Ability to handle confidential information with professionalism and discretion.
• Must be reliable, punctual, and able to work independently.

• Flexible Part-Time Hours
• Paid Time Off
• Retirement Plan Options
• 401(k)
• Performance Bonuses
• Supportive, team-focused environment

Part-Time

Flexible hours (approx. 20–25 hours per week)

Monday to Friday

Middlebury, CT Office

On-site required

We are proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other legally protected status.