HR Intern: Onboarding & Talent Support

Sully-Miller Holding Co.; Brea (CA); On-site; USD 30,000 - 41,000; Full time

Job summary

Sully-Miller Contracting Co., a Colas USA subsidiary serving Southern California, is seeking a Human Resources Intern to assist with daily administrative tasks, recruitment processes, employee onboarding, and maintaining records. This internship provides hands-on experience in talent acquisition, employee engagement, and compliance initiatives in a safety‑driven construction environment.

The ideal candidate is organized, communicative, and eager to learn about human resource management practices

Qualifications

• Must be actively working towards a college degree.
• Strong communication and organization are essential.
• Knowledge of MS Word, Excel and PowerPoint is preferred.

Responsibilities

• Assist with onboarding of new employees
• Manage monthly insurance billing process
• Support planning and coordination of company events
• Provide administrative support to HR department
• Scan, index, and organize documents in OnBase
• Contribute to special HR projects as assigned
• Perform other duties as needed

Skills

Multitasking

Independent work

Math skills

Attention to detail

Organizational skills

Verbal communication

Written communication

Team collaboration

MS Word

MS Excel

MS PowerPoint

Initiative

Education

College degree in progress

Tools

OnBase

Job description

Sully-Miller Contracting Co., a Colas USA subsidiary serving Southern California, is seeking a Human Resources Intern to assist with daily administrative tasks, recruitment processes, employee onboarding, and maintaining records. This internship provides hands-on experience in talent acquisition, employee engagement, and compliance initiatives in a safety‑driven construction environment.

The ideal candidate is organized, communicative, and eager to learn about human resource management practices