Job Description

About Walden

Walden Environmental Engineering is a Long Island–based environmental consulting and engineering firm dedicated to building sustainable communities and solving complex environmental challenges for public and private clients. Our team blends technical excellence, curiosity, and integrity in everything we do.

About the Role

We are seeking a Part-Time Administrative Assistant to support our President, Joseph Heaney III, with a variety of organizational and administrative tasks. The ideal candidate is proactive, detail-oriented, and professional, with strong communication and time- management skills. The candidate will exhibit an ability to take initiative, and prioritize daily tasks. A strong ability to take charge and meet tight deadlines will ensure your success in this multi-faceted role.

Key Responsibilities

• Manage and coordinate the President’s calendar, including scheduling internal and external meetings.
• Schedule appointments with existing clients and prospective contacts based on provided lists.
• Act as an email gatekeeper and review, prioritize, and organize communications for response or delegation.
• Provide daily morning updates to the President summarizing scheduled tasks, meetings, and action items.
• Create and edit PowerPoint slides and internal documents, ensuring consistency and professional formatting.
• Maintain organization across shared files, notes, and to-do lists.
• Support ad-hoc administrative or special projects as needed.

Qualifications

• Bachelor's degree or equivalent experience.
• 3+ years of administrative or executive support experience, preferably in a professional services environment.
• Strong proficiency in Microsoft Outlook, PowerPoint, Word, and Excel.
• Excellent written and verbal communication skills.
• Proven ability to manage multiple priorities and maintain confidentiality.
• Positive attitude, professionalism, and initiative to anticipate needs.
• Ability to multitask

Schedule

• Part-time (approx. 20–25 hours per week, flexible schedule).
• On-site in Oyster Bay, NY, with potential hybrid flexibility.

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