Senior Office Manager – Construction

Senior Office Manager – Construction

Location: Laurel, MD Position Type: Full-Time, On-Site Experience Required: Minimum 10 years

About Allied

Allied Well Drilling is one of the largest geothermal and water-well drilling contractors on the East Coast. As a growing $100M construction organization, we support commercial, residential, and drilling projects across multiple states with a substantial workforce, vehicle fleet, heavy equipment, and field operations.

Position Summary

We are seeking an experienced Senior Office Manager to oversee essential administrative, benefits, payroll-support, and compliance functions at our corporate headquarters.

The ideal candidate has significant construction-industry experience and hands-on knowledge of ADP, union administration, certified payroll, employee healthcare benefits, and 401(k) plans. This is a high-visibility position requiring excellent judgment, confidentiality, organization, and follow-through.

Key Responsibilities

• Manage daily corporate office operations and administrative processes.
• Administer employee healthcare benefits and 401(k) enrollments, changes, and communications.
• Maintain employee records and process updates through ADP.
• Support payroll processing, timekeeping, deductions, employee changes, and reporting.
• Prepare and submit certified payroll reports for prevailing-wage projects.
• Handle union administration, including classifications, wage rates, benefits, dues, and required reporting.
• Maintain familiarity with Davis-Bacon and applicable prevailing-wage requirements.
• Coordinate onboarding, leave administration, employee changes, and separation documentation.
• Work closely with accounting, payroll, project management, field operations, and executive leadership.
• Manage office vendors, supplies, facilities needs, records, and special projects.
• Improve administrative systems and procedures as the company continues to grow.

Qualifications

• Minimum 10 years of relevant office management, HR administration, payroll, or business operations experience.
• Construction-industry experience is strongly required.
• Hands-on proficiency with ADP.
• Demonstrated experience with union requirements and certified payroll.
• Experience administering healthcare benefits and 401(k) plans.
• Knowledge of payroll, prevailing wages, Davis-Bacon requirements, and employee classifications.
• Strong Microsoft Office skills, particularly Excel, Word, and Outlook.
• Exceptional organization, communication, discretion, and attention to detail.
• Ability to operate independently in a fast-paced, multi-department organization.

Allied offers competitive compensation, employee benefits, a 401(k), paid time off, and the opportunity to make a meaningful impact within a growing industry leader.

Allied Well Drilling is an equal opportunity employer.

Pay: From $130,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off

Experience:

• Human resources management: 10 years (Required)

Language:

• Spanish (Preferred)

License/Certification:

• Certified Payroll Professional (Required)

Work Location: In person

Salary : $130,000