Administrative Assistant

About Us

We are a full-service mechanical, electrical, HVAC, building automation, and critical power contractor. From medical complexes and educational institutions to office parks and multi-site governmental agencies, we are committed to delivering a variety of clients outstanding service that helps them optimize efficiency and productivity.

Job Summary

EMCOR Services Combustioneer has an immediate opening for an Administrative Assistant in Lanham, Maryland. This position will be responsible for assisting operations and functional leadership in compliance with company policies, procedures and documentation. Administrative Assistant will report directly to the Division Manager.

Essential Duties & Responsibilities

• Manage daily incoming calls for the construction & controls divisions

• Issue purchase orders and sub agreements to suppliers and subcontractors as requested by managers and technicians

• Match vendor invoices to POs and submit for manager’s approval

• Process procurement card purchases and maintain accurate records for division’s cardholders

• Set up and maintain files for projects, service contracts, and work orders

• Process customer billings for service and project work on a weekly and monthly basis

• Process weekly payroll and maintain accurate payroll records for the construction & controls divisions

• Assist with preparing monthly reports and meeting materials

• Assist with customer bids

• Submit T&M projects billing

• Set up Warranty projects in computer system

• Set up Projects in computer system

• Provide Weekly Labor Reports from COINS

• Maintain & set up Purchase Orders (COINS)

• Monthly Jobs Closing listings

• Assist with projects submittal process

• Filing, scanning and copying

• Assist with coordination of safety, compliance, and other training

• Assist accounting department with annual audit requests and other compliance and research projects

• Assist with onboarding new technicians

• Prepare standard and ad hoc reports for management, as required

• Provide administrative support to division’s managers and technicians

• Handle mailing, filing, scanning, and other office duties for the division

• Other duties as assigned

Qualifications

#combust

• Associates Degree, or equivalent combination of education and experience.

• Three (3) years in an administrative assistant’s function; Microsoft Office, Adobe and ERP system experience required.

• Outstanding communication and multitasking skills as well as handling high number of phone calls and emails from both external customers and internal stakeholders required.

• Demonstrated proficiency with Microsoft Word and Excel

• Experience with mean pivot tables, charts, data manipulation, light data modeling and formulas preferred

• Previous experience with Industry Trade Services / Construction or similar industry desired.

• AIA Contract Document familiaritya plus

• Strong written and verbal communication, self-motivated and interpersonal skills.

• Must have extreme attention to detail, experience handling sensitive and confidential data, superior organizational skills and multitasking ability to meet overlapping deadlines.

• Highly motivated with ability to adjust to changing priorities in a fast-paced environment.

• Must have professional and welcoming attitude and experience managing a processional office.

• Experience in an Electrical Services / Construction environment is preferred.

Equal Opportunity Employer

As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Affirmative Action Policy

Please review ourAffirmative Action Policy ( .

Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here ( . Please check our available positions to confirm that a post or email is genuine.

EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent.

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Job Locations US-MD-Lanham

ID 2026-51652

Company Combustioneer Corporation

Category Operations Services

Position Type Full-Time

Location Type Onsite

Posted Date 2 weeks ago (8/10/2026 1:26 PM)