Senior Administrative Assistant
About The Position
The Senior Administrative Assistant in our Waltham, MA office plays a multifaceted role, providing essential administrative and operational support to technical and office staff. This position requires sound judgment, strong organizational skills, attention to detail, and the ability to manage competing priorities in a fast-paced environment. Success in this role requires clear communication, effective coordination of schedules and activities, and discretion in handling sensitive information. With a dedicated team mindset, you champion quality and SGH standards, build trusted working relationships at all levels, and model responsiveness, accountability, and integrity. Strategic Responsibilities and Impact on SGH Autonomous and Focused: Works independently, manages competing priorities, and adjusts focus to meet deadlines while supporting team needs. Oral and Written Communication: Delivers clear, professional written and verbal communication tailored to diverse audiences; collaborates effectively and is receptive to feedback. Ability to Prioritize: Evaluates urgency versus importance to ensure preparedness and timely execution. Team Attitude: Approaches work with a positive, solutions-oriented mindset; fosters strong working relationships and contributes to a cohesive environment. Accountability: Takes ownership of accuracy, follow-through, and quality; identifies opportunities to improve processes and outcomes. Confidentiality and Integrity: Handles confidential information with discretion and professionalism; consistently demonstrates ethical judgment and integrity in all work and interactions.
Requirements
- 7+ years of relevant administrative assistant experience or equivalent.
- Experience in a fast-paced professional environment.
- Business and technical document preparation experience is strongly preferred.
- Advanced proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint) is required.
- Full-time in-office presence, and overtime as necessary.
Nice To Haves
- Bachelor’s degree is preferred, not required
Responsibilities
- Serve as a trusted administrative resource, providing proactive support to staff and leadership with professionalism, judgment, and efficiency.
- Coordinate and support planning of meetings, office events, catering, presentations, client seminars, etc., and manage related calendar scheduling, ensuring materials and logistics are prepared in advance.
- Manage complex calendar, anticipate conflicts, and facilitate smooth coordination across varied schedules and stakeholders.
- Prepare, edit, and format general and technical documents to SGH quality standards.
- Support the management of technical staff licenses, including tracking renewals and credits.
- Coordinate travel arrangements.
- Process and reconcile expense reports.
- Partner with HR to facilitate the new hire onboarding process and coordinate orientation responsibilities.
- Coordinate with the IT department to troubleshoot issues with conference rooms, staff workstations, and equipment setup.
Benefits
- Paid Time Off (Vacation time, Sick leave, Holidays)
- Paid Parental Leave
- Profit Sharing and 401(k) plan with a discretionary company contribution
- Health Insurance (Medical, Dental & Vision)
- Short and Long-Term Disability (company paid)
- Employee Basic Life and AD&D insurance (company paid)
- Optional Life Insurance
- Healthcare and Dependent Care Flexible Spending Accounts
- Fertility, Family Forming, and Hormonal Health benefit
- Employee Assistance Program
- Pre-tax Commuter Benefit
- AFLAC Accident & Cancer Insurance
- Legal & Identity Theft plans
- Tuition Reimbursement
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What This Job Offers
Job Type
Full-time
Career Level
Senior
