Part Time Administrative Assistant/ Office Manager

Part Time Administrative Assistant/ Office Manager DDM Mechanical LLC Middlebury, CT Job Details Part-time $24.83 - $29.90 an hour 1 day ago Benefits 401(k) Paid time off 401(k) matching Opportunities for advancement Flexible schedule Qualifications Record keeping Customer communication Microsoft Excel Microsoft Outlook Inventory management Workflow management (operations management method) Mid-level Administrative experience Client invoicing Financial record maintenance Office management Appointment scheduling Bookkeeping Communication skills Payroll processing Time management Full 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 ManagerCompany Name:

DDM Mechanical LLCSalary:

$25.00 /hr depending on experience Job Overview 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 ServiceTitan software is a plus. Who We Are 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. Key Responsibilities 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 ServiceTitan software for scheduling, invoicing, and job tracking (preferred). Perform other administrative duties as assigned to support the efficiency of the office. Qualifications 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 ServiceTitan 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. Benefits Flexible Part-Time Hours Paid Time Off Retirement Plan Options 401(k) Career Growth Opportunities Performance Bonuses Supportive, team-focused environment Schedule Part-Time Flexible hours (approx. 20-25 hours per week) Monday to Friday Work Location Middlebury, CT Office On-site required

Pay:

$24.83 - $29.90 per hour

Benefits:

401(k) 401(k) matching Flexible schedule Paid time off

Work Location:

In person