Sr. HR Business Partner - Palmdale

Job Description

Job Description

Job Summary

We are seeking a Sr. HR Business Partner for a direct hire opportunity in Palmdale, CA , supporting a high-technology aerospace and defense environment. This role is ideal for an experienced HR professional who thrives in a complex, mission-driven organization and enjoys partnering closely with business leaders to strengthen employee engagement, organizational performance, talent development, and workforce planning.

The Sr. HR Business Partner will serve as a trusted advisor to leaders and employees, helping resolve employee relations matters, guide performance management, support compensation processes, and improve retention through data-driven HR strategies. This is a highly visible role with the opportunity to influence culture, support leadership development, and contribute to programs that improve efficiency, morale, and long-term organizational success.

This opportunity offers the chance to work in a collaborative, team-oriented environment with supportive leadership, strong technical talent, and meaningful work connected to advanced technology programs. The role is well suited for someone who values professional growth, business partnership, and the ability to make a measurable impact across the organization.

Key Responsibilities

- Partner with business leaders to identify workforce needs, employee behaviors, and performance indicators that support business goals.
- Provide HR guidance on employee relations, performance management, progressive documentation, engagement, retention, and organizational development.
- Facilitate talent development sessions and support training programs related to HR topics, leadership development, performance reviews, and career growth.
- Advise leaders and employees on Federal and California employment laws, company policies, and HR best practices.
- Partner with talent acquisition and management teams on key hiring decisions, candidate selection, salary analysis, and organizational equity.
- Lead annual merit, bonus, and off-cycle compensation processes for assigned client groups while using HR data and Excel analysis to identify trends and recommendations.

Compensation and Benefits

- Salary range: $100,000 to $140,000 per year.
- Job type: Direct hire.
- Location: Palmdale, CA.

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here:


-06/22-088_EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here:


- transp_%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, the Company is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.


verify.uscis.gov/web/media/resourcesContents/E - Verify_Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

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\nCompany Description

Guiding Principles and Core Values: UP HIRE
Understanding Matters.
We actively listen to each other, our STEM professionals, and customers. We take the time to understand their needs to make the best connections in the industry.

People Matter.
People are at the center of our company. All decisions we make are in the best of interest of our employees, co-workers, communities, candidates and customers.

Honesty Matters.
We conduct our business with integrity and DO the right things. We ARE trustworthy partners WHO stand behind our work and people.

Innovation Matters.
We are disciplined in bringing forward new thought and solutions that guide the industry and grow our company. Continued growth secures sustainability that provides solid careers for our employees, stability for our STEM professionals, and reliability to our customers.

Relationships Matter.
We take personal responsibility for all relationships with our employees, co-workers, STEM professionals and customers. Courtesy, dignity and respect EQUAL high performance results.

Everything Matters.
We hold ourselves accountable to perform with the upmost of professionalism, attention to detail, and highest standard of service. We hit our targets and do what we say we will do.

Company Description

Guiding Principles and Core Values: UP HIRE\r\nUnderstanding Matters.\r\nWe actively listen to each other, our STEM professionals, and customers. We take the time to understand their needs to make the best connections in the industry.\r\n\r\nPeople Matter.\r\nPeople are at the center of our company. All decisions we make are in the best of interest of our employees, co-workers, communities, candidates and customers.\r\n\r\nHonesty Matters.\r\nWe conduct our business with integrity and DO the right things. We ARE trustworthy partners WHO stand behind our work and people.\r\n\r\nInnovation Matters.\r\nWe are disciplined in bringing forward new thought and solutions that guide the industry and grow our company. Continued growth secures sustainability that provides solid careers for our employees, stability for our STEM professionals, and reliability to our customers.\r\n\r\nRelationships Matter.\r\nWe take personal responsibility for all relationships with our employees, co-workers, STEM professionals and customers. Courtesy, dignity and respect EQUAL high performance results.\r\n\r\nEverything Matters.\r\nWe hold ourselves accountable to perform with the upmost of professionalism, attention to detail, and highest standard of service. We hit our targets and do what we say we will do.