Part-Time Administrative Assistant: Client-Facing & Office Support

Civil & Environmental Consultants, Inc.; Naperville (IL); On-site; USD 45,000 - 58,000; Part time

Benefits offered by this job

matching 401(k)

profit sharing

performance bonus

company stock

medical dental and vision insurance

short and long-term disability

tuition assistance

professional development

work-life balance

Job summary

Civil & Environmental Consultants, Inc. is seeking a Part-Time Administrative Assistant in our Naperville, IL office.

You will be the first point of contact, delivering exceptional customer service and supporting daily operations with the Office Operations Lead and Administrative Manager. Responsibilities include greeting visitors, handling phones, document prep, meeting coordination, and coordinating internal communications across teams.

Qualifications

• High school diploma or equivalent is required.
• Experience in an office environment is required.
• Excellent communication skills are essential.
• Attention to detail is essential.
• Proficiency with Microsoft Office (Word, Excel, Outlook) is required.

Responsibilities

• Greet guests and answer phones with professionalism.
• Prepare and reproduce documents, maintain electronic filing, and assist with QA reviews for proposals, reports, and plans.
• Coordinate meetings, office activities, and logistics for internal events, conferences, and training sessions.
• Manage office supplies—ordering, stocking, and ensuring availability.
• Support communication between corporate teams (accounting, operations, marketing, HR, IT) and local office staff.
• Draft and review documents, providing suggestions for improvement.
• Handle incoming and outgoing correspondence with accuracy and attention to detail.
• Communicate effectively with clients in person, by phone, and in writing.
• This role requires 20-30 hours a week.

Skills

Communication

Attention to detail

Office environment experience

MS Office proficiency

Education

High School diploma or equivalent

Tools

Microsoft Word

Microsoft Excel

Microsoft Outlook

Job description

Civil & Environmental Consultants, Inc. is seeking a Part-Time Administrative Assistant in our Naperville, IL office.

You will be the first point of contact, delivering exceptional customer service and supporting daily operations with the Office Operations Lead and Administrative Manager. Responsibilities include greeting visitors, handling phones, document prep, meeting coordination, and coordinating internal communications across teams.