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Administrative Assistant
Administrative AssistantSigma • Boston, MA, United States
Administrative Assistant

Administrative Assistant

Sigma • Boston, MA, United States
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788280 Administrative Assistant - Boston, MA (Onsite | 6-Month Contract)

Location : One Ashburton Place, Boston, MA

Client : Commonwealth of Massachusetts - Executive Office of Technology Services and Security (EOTSS)

About the Role :

Sigma Inc. is seeking a detail-oriented and professional Administrative Assistant to support senior leadership within the Executive Office of Technology Services and Security (EOTSS) . This position provides critical administrative and executive-level assistance to the Chief Engagement Officer , Chief Data Officer , and Assistant Secretary of Strategy and Planning .

The ideal candidate will also serve as the front-facing receptionist for the Boston office, ensuring smooth daily operations, excellent communication flow, and top-tier administrative support.

This is a full-time onsite role located at One Ashburton Place , Monday through Friday, 9 : 00 AM - 5 : 00 PM EST , for an 8-month contract .

Key Responsibilities :

  • Serve as the primary point of contact for all administrative needs across three executive leaders.
  • Manage the reception desk , greeting visitors, answering calls, sorting mail, and addressing building-related issues.
  • Coordinate complex scheduling and maintain calendars for leadership and cross-agency meetings.
  • Arrange travel logistics , process expense reports , and manage procurement and ethics documentation.
  • Prepare and organize briefing materials , presentations, and communications for internal and external audiences.
  • Maintain and organize shared digital resources and files, ensuring accuracy and accessibility.
  • Track project deadlines, deliverables, and action items for strategic data and engagement initiatives.
  • Assist with talent acquisition and onboarding processes within the data office.
  • Support team communications, meeting documentation, and overall office operations.

Qualifications :

  • Minimum of 2 years of administrative or executive support experience , preferably supporting senior leaders.
  • Proven organizational and multitasking skills , with the ability to prioritize under tight deadlines.
  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook) and general computer literacy.
  • Strong written and verbal communication skills ; ability to interact effectively with internal teams and external partners.
  • Professional discretion and ability to handle confidential information responsibly.
  • Demonstrated ability to work both independently and collaboratively in a fast-paced, deadline-driven environment.
  • Previous experience in state or government agencies is a plus.

    • Additional Information :

  • Work Type : Full-time, Onsite (6-month contract)
  • Schedule : Monday - Friday, 9 : 00 AM - 5 : 00 PM EST
  • Location : One Ashburton Place, 8th Floor, Boston, MA 02108
  • Background Requirements : CORI check, fingerprinting, and security training required.

    • Why Join Sigma Inc. and EOTSS :

  • Contribute to mission-driven government projects that impact citizens statewide.
  • Work directly with influential state leaders and strategic planning teams.
  • Gain valuable administrative and executive support experience in a public sector technology environment.
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    Administrative Assistant • Boston, MA, United States

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