Senior Team Leader - Assistant Services

McKinsey & Company
parental leave, paid time off, sick time
United States, New York, New York
Mar 20, 2026
Global Administration Senior Team Leader - Assistant Services Job ID: 106510 Do you want to work on complex and pressing challenges-the kind that bring together curious, ambitious, and determined leaders who strive to become better every day? If this sounds like you, you've come to the right place. Your Impact As a Senior Team Leader in Assistant Services, you will be based in our New York office as part of the Executive Assistant leadership team. You will work with a growing team of Executive Assistants, EA leadership, and senior stakeholders, providing support to Northeast Partners and Senior Partners. You will lead and develop a team of 10-15 EAs in addition to managing the Northeast EA Coverage Schedule. In this role, you will provide proactive coaching, performance management, and career development support to motivate team members and enhance overall job satisfaction. Your responsibilities will include assessing individual and team development needs, designing, and delivering targeted upskilling aligned with goals and priorities; and fostering a high performance, collaborative environment aligned with firm values. You will also partner closely with the Northeast EA Managers on development and implementation of strategic initiatives. You will serve as an escalation point for sensitive people matters, resolving issues with discretion and sound judgment. You will lead the end-to-end performance management and evaluation process for your team, delivering continuous feedback, driving development, and proactively addressing performance gaps in alignment with firm standards. You will partner on recruiting and staffing, supporting candidate selection and staffing decisions to ensure a high-performing team and appropriate staffing levels. In this role, you will also oversee the NE EA Coverage Schedule to ensure effective allocation of support resources, proactively monitoring patterns and adjusting coverage to maintain service continuity and deliver best-in-class support. You will coordinate backup and overflow coverage to ensure consistent service quality during absences, unanticipated departures, and high-volume periods. You will oversee administrative duties including timesheet review/approval, monitoring overtime, approving vacation, and tracking sick time in accordance with firm policies and procedures. Your Growth You are someone who thrives in a high-performance environment, bringing a growth mindset and entrepreneurial spirit to tackle meaningful challenges that have a real impact. In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities to help you quickly broaden your expertise, grow into a well-rounded professional, and contribute to work that truly makes a difference. When you join us, you will have: Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey. A voice that matters: From day one, we value your ideas and contributions. You'll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes. Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm's diversity fuels creativity and helps us come up with the best solutions. Plus, you'll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences. Exceptional benefits: In addition to a competitive salary (based on your location, experience, and skills), we offer a comprehensive benefits package, including medical, dental, mental health, and vision coverage for you, your spouse/partner, and children. Your qualifications and skills Bachelor's degree or equivalent strongly preferred 2+ years of supervisory or team leadership experience in a professional environment. Demonstrated ability to lead in complex, fast-paced environments with senior stakeholders Strong coaching, performance management, and people development skills Excellent stakeholder management, influencing, and conflict resolution skills Outstanding judgment, discretion, and professionalism in handling confidential information Exceptional administrative and organizational skills with ability to manage competing priorities Excellent customer-service attitude and ability to build and cultivate strong client relationships Exceptional interpersonal, communication (oral and written), and conflict resolution skills; strong influencing capabilities Flexibility to frequently work outside standard work hours Please review the additional requirements regarding essential job functions of McKinsey colleagues. Our unwavering commitment to integrity drives everything we do, guiding us to always act in the best interests of our clients, our people, and the communities we serve. Apply Now Apply Later FOR U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by applicable law. Certain US jurisdictions require McKinsey & Company to include a reasonable estimate of the salary for this role. For new joiners for this role in the United States, including all office locations where the job may be performed, a reasonable estimated range is $117,900 - $147,300 USD -to help you understand what you can expect. This reflects our best estimate of the lowest to highest [salary/hourly wages] for this role at the time of this posting, ensuring you have a clear picture right from the start, though it's important to remember that actual salaries may vary. Factors like your office location, your unique blend of experience and skills, start date and our current organizational needs all play a part in determining the final figure. Certain roles are also eligible for bonuses, subject to McKinsey's discretion and based on factors such as individual and/or organizational performance. Additionally, we provide a comprehensive benefits package that reflects our commitment to the wellness of our colleagues and their families. This includes medical, mental health, dental and vision coverage, telemedicine services, life, accident and disability insurance, parental leave and family planning benefits, caregiving resources, a generous retirement contributions program, financial guidance, and paid time off. FOR NON-U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. For additional details regarding our global EEO policy and diversity initiatives, please visit our McKinsey Careers and Diversity & Inclusion sites. Job Skill Group - CSSA Job Skill Code - SSTL - Senior Team Leader, SSC Function - Industry - Post to LinkedIn - Yes Posted to LinkedIn Date - Fri Mar 20 00:00:00 GMT 2026 LinkedIn Posting City - New York LinkedIn Posting State/Province - New York LinkedIn Posting Country - United States LinkedIn Job Title - Senior Team Leader - Assistant Services LinkedIn Function - Administrative LinkedIn Industry - Events Services;Human Resources;Management Consulting LinkedIn Seniority Level - Not Applicable