Administrative Assistant

Sigma Inc. is seeking a detail-oriented and organized Administrative Assistant to support a busy government office located at 10 Park Plaza, Boston, MA. This is a 6-month onsite contract opportunity working within a fast-paced administrative environment.

We are looking for a reliable Administrative Support professional who can multitask, manage daily office operations, and provide excellent front-line support. The ideal candidate thrives in a structured, high-volume office setting and has prior experience in administrative or clerical roles.

• Open, sort, and distribute incoming mail
• Provide phone coverage and call routing support
• Assist and direct customers, visitors, and internal staff
• Monitor and respond to general office email inboxes
• Perform general filing and document organization
• Maintain accurate records and archive documents properly
• Support day-to-day administrative tasks as assigned
• Ensure smooth office workflow in a fast-paced environment

• Previous experience in an Administrative Assistant, Office Assistant, or Clerical Support role
• Strong multitasking and organizational skills
• Excellent communication and customer service skills
• Ability to handle high-volume administrative tasks efficiently
• Comfortable working in an onsite government office environment
• Basic computer skills (email, filing systems, MS Office tools preferred)

• Experience in government or public sector offices
• Familiarity with mailroom operations and document management
• Strong attention to detail and accuracy
• Ability to prioritize tasks in a busy environment

10 Park Plaza, Boston, MA (Onsite role only)

• Duration: 6 Months
• Schedule:
  
  Full-time, weekday office hours
• Employment Type:
  
  Contract (via Sigma Inc.)