Departments » Human Resources

Human Resources

Welcome to Human Resources

Our mission is to attract, develop and retain the "best and brightest" personnel. Human Resources has the responsibility for staff recruitment, assignments, evaluations; employee benefits; employer-employee relations and negotiations; and maintenance of personnel records. Online information may be viewed in the following areas: Employment Opportunities, Salary Schedules, and Benefits.

Contact Us
Address: 44938 30th Street East, Lancaster, CA 93535
Phone: (661) 952-1200 Ext. 8237

Hours of Operation
The Human Resources Department is open Monday through Friday from 7:30 a.m. to 4:00 p.m. Our office is located at the Eastside Union School District Office.

HR Staff

Assistant Superintendent of Human Resources

Dr. Eric Guerrero

Email: [email protected]

Dr. Eric C. Guerrero is an accomplished educational leader with more than 15 years of experience in teaching, site leadership, and district administration. He currently serves as the Assistant Superintendent of Human Resources for Eastside Union School District, where he provides strategic oversight of personnel services, staffing, compliance, and employee relations. Previously, he served as Executive Director and Director of Personnel & Pupil Services at Sulphur Springs Union School District, as well as Principal and Assistant Principal in both Sulphur Springs and Eastside Union school districts.
 
Dr. Guerrero earned his Doctor of Education in Educational Leadership from the University of Southern California, complemented by advanced degrees from Pepperdine University and National University. His doctoral research focused on governance training and its impact on school district leadership and student achievement. A credentialed administrator and certified negotiator, he has extensive experience in employee management, policy development, school safety, and instructional support systems.
 
With his return to Eastside Union School District, where he began his career as an educator, Dr. Guerrero is committed to leading with integrity in service to students, staff, and the broader community. His leadership is guided by a deep belief in collaboration, equity, and the continuous improvement of educational systems to support student success.

Executive Assistant

Mireya Lemus
Phone: (661) 952-1200 ext. 8221
 
  • Benefit Administrator
  • Unemployment Representative
  • Unemployment Hearings
  • Leaves (FMLA, CFRA, PDL, Maternity etc.)*
  • LACOE Liaison
  • Workers Compensation
  • Public Records Requests
  • TSA’s Administrator
  • Inputting/Terminating Classified, Certificated and substitute employee’s*
  • CALPERS
  • CALSTRS*
  • HCM (All things)
  • Name Changes
  • Employee Self Service
  • New Direct Deposit(s)
  • Federal and State Forms
  • Retiree’s
  • ACA Reporting
  • CSESAP Program for Classified 10-mo.
  • Reasonable Assurance
  • Reasonable Accommodations

Credential Technician

Maria Martinez
Phone: (661) 952-1200 ext. 8215
 
Frontline Education - Absence Management
How to submit absences
How to obtain access to application
How to book an assignment
Certificated Postings/Vacancies:
How/Where to apply
Application deadlines
Required documents
How to submit documents
Summer Assignments
Compensation:
Evaluations (How does the performance review and salary increase process work)
Employee Performance and Advancement:
What is the process for performance evaluations and feedback
Employee Classification:
What is my employee classification (e.g., full-time, part-time, substitute)
Training and Development:
Are there any training programs
Opportunities for career development

Human Resources Technician

Jessica Martinez
Phone: (661) 952-1200
 
Absence Management:
How to submit an absence/access to Frontline Absence Management
Classified Postings/Vacancies:
How/Where to apply
Application deadlines
Required documents
Summer Assignments
Compensation:
Evaluations (How does the performance review and salary increase process work)
Employee Performance and Advancement:
What is the process for performance evaluations and feedback
Employee Classification:
What is my employee classification (e.g., full-time, part-time, substitute
Training and Development:
Are there any training programs
Opportunities for career development