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Sr Principal HR Business Partner and Employee Relations

Mercury Systems
tuition reimbursement
United States, Arizona, Phoenix
3601 East University Drive (Show on map)
Jun 25, 2026

Job Summary:

Mercury Systems is seeking an outstanding Human Resources professional seeking growth that will serve as the leader of Employee Relations (ER) , As well as a Human Resources Business Partner (HRBP) for Legal and Signal Technologies . The person in this role will have significant experience leading complex investigations and implementing processes and policies that are consistent with applicable law and support Mercury's desired culture. To help the leader understand and appreciate Mercury, this role will also be responsible for partnering with employees and managers in specific organizations to drive HR programming, including compensation, talent development and performance development. The successful candidate will also coach managers and employees, unlocking optimal performance across the organization.

Job Responsibilities:



  • Ability to build strong relationships and become a trusted partner to managers and employees
  • Collaborate across the HR function, to include partnering with the Centers of Excellence and Workforce Solutions to identify and implement effective HR programming
  • Lead investigations into complaints and identify risks and solutions that lead to the best outcome(s) for the various parties
  • Analyze and implement processes and policies for employee-related actions that are compliant with the law and are consistent with Mercury's Values, Mindsets and Behaviors
  • Partner with business leaders to ensure employees are empowered, engaged and accountable for delivering business results
  • Help managers identify developmental opportunities to build a stronger team and succession opportunities
  • Create presentations that deliver the intended message and an ability to present the materials in a professional manner


Required Qualifications:

Bachelor's Degree in Business, Human Resources or other related field

Minimum of six-years of experience in Human Resources

Experience conducting complex investigations, reviewing and implementing policies

Experience operating as an HR Business Partner supporting exempt personnel

Exceptional communication and project planning skills

Ability to influence without authority

Must be able to travel up to 30%

Preferred Qualifications:

Masters in Human Resources, Business or other related field

Significant prior experience working in Aerospace & Defense

Experience working across a matrixed environment

Experience supporting a Business Unit as an HR Business Partner

Understanding of compensation, performance management and talent attraction practices

"This position requires you to access information that is subject to U.S. export regulations. You may only access such information if you are a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. government."

Why should you join Mercury Systems?

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide. To learn more, visit mrcy.com

Our Culture

We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two-way dialogue at all levels of the organization. We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

To find out more aboutWhy Mercury?, or visit the Mercury Community or find answers to general questions at Mercury FAQs

Mercury Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex (including pregnancy), sexual orientation, gender identity, national origin, genetic information, creed, citizenship, disability, protected veteran or marital status.

As an equal opportunity employer, Mercury Systems is committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants that require accommodation in the job application process may contact the number below for assistance.

(978) 256-1300

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