Administrative Team Leader (Accounts Receivable)

Engineering Consulting Service; Chantilly (VA); On-site; USD 37,000 - 43,000; Full time

Job summary

ECS Group of Companies (ECS) is seeking an Administrative Team Lead in Chantilly, VA to provide advanced administrative support and coordinate daily office duties. You will balance individual tasks with team-oriented responsibilities to ensure high-quality service delivery and efficient operations.

The role requires a minimum of 1 year of admin experience, strong MS Office skills, and a focus on accuracy. Salary range is competitive and aligned with location and experience.

Qualifications

• 1 year of related administrative experience.
• High school diploma or GED required.
• Knowledge of general office administration practices.

Responsibilities

• Lead and coordinate daily administrative activities.
• Assist with scheduling and workload distribution.
• Support employees with deadlines and prioritization.
• Monitor productivity and service quality in the office.
• Provide input on performance, training, and development needs.
• Onboard and train new administrative personnel.
• Process and manage project and business documents in a timely manner.
• Perform word processing, data entry, and filing tasks.
• Maintain project, client, and admin files and records.

Skills

Microsoft Office

Organizational skills

Communication

Team coordination

Education

High school diploma or GED

Tools

Microsoft Office Suite

Job description

Responsibilities

The Administrative Team Lead provides advanced administrative support while serving as a day-to-day resource for administrative personnel within an office or business unit. This position assists with coordinating workloads, monitoring productivity, supporting employee development, and ensuring administrative processes are performed accurately and efficiently. The Administrative Team Lead balances individual contributor responsibilities with team coordination duties to support effective office operations and high-quality service delivery.

• Leads and coordinates the daily activities of administrative personnel to support efficient office operations
• Assists with scheduling administrative staff and coordinating workload distribution
• Supports employees with prioritizing assignments, managing deadlines, and resolving routine workflow challenges
• Assists with monitoring administrative productivity and service quality
• Provides input regarding employee performance, training needs, and development opportunities
• Assists with onboarding and training new administrative personnel
• Processes, formats, transmits, and distributes project and business documents in a timely manner
• Performs word processing, data entry, and document management activities
• Registers projects, proposals, and related business records within company systems
• Creates, organizes, and maintains project, client, and administrative files and records
• Assists with the preparation, assembly, binding, and distribution of reports and project deliverables
• Formats, scans, uploads, and archives project and business documentation
• Assists with answering telephone calls, directing inquiries, and supporting customer service needs
• Supports incoming and outgoing mail distribution and routine office operations
  Coordinates scheduling activities and administrative logistics as needed
• Provides backup support to other administrative personnel during absences, training, meetings, and periods of high workload
• Maintains confidentiality of company, employee, client, and project information
• Identifies opportunities to improve administrative workflows and office efficiency
• Performs other duties as assigned
• This position involves representing ECS in collection efforts via phone, face to face, and e-mail.
• Responsibilities include assisting in maintaining the collections database and relationships with clients.
• You will work with office staff to achieve collection goals, prepare certificates of insurance, scan and link invoices or other related documents to billing files, and assist in revisions to invoices.
• Other duties may include performing general clerical duties such as sorting and distributing mail, filing, word processing, or other clerical task.

Qualifications

Required Qualifications

• 1 year of related experience
• High school diploma or GED required
• If driving for, or on behalf of, any ECS subsidiary, a valid driver’s license is required
• Knowledge of general office administration practices and administrative support functions
• Proficiency with Microsoft Office Suite, including Word, Excel, PowerPoint, and Outlook
• Strong organizational skills and attention to detail
• Ability to manage multiple priorities and meet established deadlines
• Effective written and verbal communication skills
• Strong interpersonal and relationship-building skills
• Ability to provide guidance, training, and support to team members
• Ability to resolve routine issues and elevate complex matters appropriately
• Ability to accurately process and maintain documentation and records
• Ability to work independently while collaborating effectively with others
• Strong customer service skills and professional business demeanor
• Ability to maintain confidentiality and handle sensitive information appropriately
• Dependable work habits and commitment to quality and accuracy
• Ability to identify process improvement opportunities and support implementation efforts

Military Qualifications

• The following US Military ranks would qualify for this position:
• E-4

The expected pay range for this role and location is $27-$31/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

About Us

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer. To learn more, click here.