Administrative Assistant III

Addison Group; Estero (FL); On-site; USD 28,000 - 34,000; Part time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) eligibility

Onsite work

Job summary

Addison Group is seeking an Administrative Assistant III for a short-term assignment in Estero, Florida. The role focuses on processing large volumes of data, managing electronic records, and supporting daily office operations with strong organizational and Excel skills.

The position is onsite, 4-week duration, starting November 9, 2026, with competitive hourly pay of $20–$25. Candidates must be detail-oriented and able to handle confidential information under deadline pressure.

Qualifications

• Experience performing high-volume clerical processing and data entry.
• Experience uploading and managing electronic documents with DocuSign or similar platforms.
• Strong Microsoft Excel skills for spreadsheet updates, data tracking, and reporting.
• Proficient in Microsoft Word and Outlook.
• Ability to handle confidential information with discretion and maintain accuracy.

Responsibilities

• Process and organize large volumes of administrative data with accuracy and deadlines.
• Oversee a shared email inbox and route inquiries appropriately.
• Upload and maintain electronic records using DocuSign or similar platforms.
• Update spreadsheets in Excel and produce tracking reports.
• Review documents for completeness and accuracy; ensure confidentiality.
• Coordinate meetings and internal communications; support office operations.

Skills

Excel proficiency

High-volume data entry

Confidential information handling

Organization & detail orientation

Written and verbal communication

Multitasking

Tools

DocuSign

Microsoft Excel

Microsoft Word

Outlook

Job description

Role: Administrative Assistant III

Job Title: Administrative Assistant III

Industry: Administrative / Professional Services

Location (City, State): Estero, FL

Assignment Type: Temporary Contract (Approximately 4 Weeks)

Pay: $20 - $25 / hour

Work Schedule: Onsite Preferred | November 9 – December 4, 2026 | Daily Hours To Be Confirmed

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About The Company:

Addison Group is partnering with our client to hire an experienced Administrative Assistant III for a short-term assignment in Estero, Florida. This opportunity is ideal for a detail-oriented administrative professional who excels at managing large volumes of information, maintaining accurate records, and supporting daily office operations. The position offers an opportunity to contribute immediately while utilizing strong organizational, technical, and administrative skills.

Job Description:

The Administrative Assistant III will provide essential clerical, data management, and operational assistance to support an established team. This individual will be responsible for processing high volumes of information, maintaining electronic documentation, coordinating communications, and ensuring administrative tasks are completed accurately and efficiently. The ideal candidate is dependable, organized, and comfortable handling sensitive information while working in a deadline-driven environment.

Key Responsibilities:

• Process and organize large volumes of administrative data while maintaining accuracy and meeting established deadlines.
• Oversee a shared email inbox, review incoming requests, and ensure correspondence is routed or addressed appropriately.
• Upload, categorize, and maintain electronic records using DocuSign or comparable document management platforms.
• Utilize Microsoft Excel to update spreadsheets, monitor information, and maintain accurate tracking reports.
• Review documents and records for completeness, consistency, and accuracy.
• Maintain confidential files and sensitive business information in accordance with established procedures.
• Complete general clerical assignments, including document preparation, filing, data entry, and record updates.
• Respond to incoming calls and direct questions or requests to appropriate personnel.
• Coordinate administrative activities such as meeting arrangements, scheduling, and internal communications.
• Assist with organizing incoming and outgoing correspondence and office materials.
• Support department initiatives, special assignments, and other administrative projects as needed.
• Collaborate with internal team members and external contacts to maintain efficient daily operations.

Qualifications:

• Previous experience in administrative support, clerical operations, or high-volume data entry.
• Demonstrated ability to process large quantities of information accurately and efficiently.
• Experience uploading and managing electronic documents through DocuSign or similar platforms.
• Strong Microsoft Excel skills, including spreadsheet organization, data tracking, and record maintenance.
• Familiarity with Microsoft Office applications, including Word and Outlook.
• Experience monitoring shared email inboxes and coordinating incoming requests.
• Ability to maintain confidentiality when handling sensitive records and business information.
• Strong organizational skills with exceptional attention to detail.
• Excellent written and verbal communication abilities.
• Ability to manage multiple assignments and meet deadlines with minimal supervision.
• Dependable, adaptable, and capable of quickly learning established processes.

Additional Details:

• Contract Duration: November 9 – December 4, 2026 (approximately four weeks).
• Anticipated Start Date: November 9, 2026.
• Work Location: Estero, Florida, with onsite availability strongly preferred.
• Candidates must be available to begin the assignment without a traditional two-week notice period.
• Availability throughout the full assignment is required, with no planned time off during the scheduled contract period.
• Position emphasizes high-volume clerical processing, electronic document management, and accurate data entry.
• Strong Excel proficiency and experience handling confidential information are essential.
• Candidates should be comfortable stepping into an established workflow with minimal ramp-up time.

Perks:

• Short-term assignment with a clearly defined schedule and end date.
• Opportunity to apply advanced administrative and data management skills.
• Experience working with electronic document management and business systems.
• Variety of responsibilities involving data processing, communications, and office coordination.
• Opportunity to contribute immediately to an established team.
• Medical, dental, vision, and 401(k) eligibility.

Addison Group is an Equal Opportunity Employer.

Addison Group provides equal employment opportunities to all employees and applicants without discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.

Reasonable accommodations are available to qualified individuals with disabilities in accordance with applicable law.

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