Senior HR Business Partner

Thornton Tomasetti applies engineering and scientific principles to solve the world's challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career.

The Role

We're looking for a Senior HR Business Partner with a track record of success in fast-paced, matrixed organizations who thrives on building trusted relationships, fostering a positive workplace culture, and helping leaders build high-performing teams. In this role, you'll serve as a trusted advisor and strategic partner to leaders and managers, providing guidance across the employee lifecycle while helping drive business success.

You'll combine business acumen with empathy and sound judgment to support employee relations, workforce planning, compensation planning, and leadership development, while championing cultural initiatives that strengthen organizational engagement. Working closely with our HR Centers of Excellence, you'll identify opportunities to strengthen teams, enhance manager capability, and improve the employee experience.

If you're energized by solving complex people challenges, driving cultural and engagement initiatives, influencing positive organizational outcomes, and partnering with leaders to drive results, we'd love to hear from you.

What You'll Do

• Partner directly with senior and executive leadership on talent strategy, organizational design, and resource management to support evolving business priorities.
• Partner with leaders on workforce planning activities, including organizational changes, workforce forecasting, internal mobility, immigration considerations, and future talent needs.
• Lead employee relations matters, including investigations, workplace complaints, harassment concerns, conflict resolution, and performance or behavioral issues while mitigating organizational risk.
• Manage and coordinate voluntary and involuntary termination processes in partnership with internal stakeholders.
• Build leader and manager capability through ongoing coaching, proactive guidance, and preparation for difficult conversations.
• Advise leaders on company policies, HR processes, and applicable employment legislation.
• Support and help administer cyclical merit, promotion, and bonus planning processes, partnering with leaders to ensure fair and equitable compensation decisions.
• Facilitate talent calibration sessions (e.g., 9-box methodology) to align on performance expectations, development plans, and mobility opportunities. • Champion culture-building initiatives and programming to strengthen employee engagement and community across client groups.
• Maintain HRBP metrics and leverage HR technology and AI tools to identify trends, analyze workforce data, and support informed business decisions.
• Design and deliver training programs and materials (e.g., performance management, career development, and effective feedback) to build capability among designated business leaders.

What You'll Bring

• 8+ years of experience in an HR Business Partner or comparable HR role supporting business leaders, including experience in fast-paced, matrixed organizations (professional services experience preferred).
• Bachelor's degree in Human Resources, Business, Psychology, or related field (Master's preferred).
• Demonstrated experience partnering with senior/executive leadership on talent strategy, organizational design, and change management in a fast-paced, matrixed environment.
• Experience leading or contributing to culture-building initiatives within client groups or the broader organization.
• Experience supporting compensation planning cycles (merit, promotion, bonus) and interpreting internal/external data to inform equitable pay decisions.
• General knowledge of employment law and HR best practices, with the ability to exercise sound judgment when handling sensitive and confidential matters.
• Strong coaching, communication, and relationship-building skills with the ability to influence and build credibility at all levels of the organization.
• Experience working with HRIS, ATS, and L&D systems and platforms (Workday preferred), including proficiency leveraging AI tools to enhance HR operations and decision-making. • Experience guiding employees through immigration/visa sponsorship processes is a plus.
• Ability to travel domestically and internationally, as needed (approximately 10%), to support business needs, strengthen partnerships across offices, and participate in HR and business initiatives.

Compensation
The rate for this position generally is $130,000 - $160,000 annually. This range is a good faith estimate provided pursuant to the New York Pay Transparency Law. It is based on what a successful New York applicant might be paid and assumes that the successful candidate will be in New York or perform the position from New York. Similar positions located outside of New York will not necessarily receive the same compensation. Actual pay rates may vary from the range, as permitted by New York Equal Pay Transparency Law. Compensation offers will be based on various factors, including operational needs, individual education, qualifications and experience, work location and comparison to employee already in the role, as well as other considerations permitted by law. A potential new employee's pay history will not be used in compensation decisions.

Benefits

Depending on your employment status, benefits may include:

• Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
• Flexible Spending Accounts for Medical and Childcare
• Paid Time Off, Family Leave for New Parents, Volunteer Time
• Tuition Reimbursement
• Commuter Transit (where available)
• 401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
• Fitness Reimbursement
• And other various wellness, diversity/inclusion and employee resource programs and initiatives

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Thornton Tomasetti is proud to be an equal employment workplace. Individuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws.

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