Human Resources Generalist

Position: Human Resources Generalist - Entry Level

Updated: September 2026
Petro-Diamond Incorporated - a subsidiary of Mitsubishi Corporation in Japan - is a leading company in the trade, marketing and distribution of clean petroleum transportation fuels in Southern California.

Description

This a newly created hands-on and entry level role responsible for assisting and supporting the day-to-day operation of the department as well as the execution of special projects. The role required a team player responsible for implementing and executing various HR-related programs/initiatives across the company. The position will also support the office administration of both the corporate office and the terminal facility, while serving as liaison with Mitsubishi Corporation – Japan, concerning the execution of logistics and administrative affairs.

Responsibilities

Human Resources & Office Administration:
Support the recruitment function by screening resumes, contacting eligible candidates and scheduling interviews with the hiring team.

Coordinating the new hire orientation by compiling the new hire paperwork and execution of background checks prior to employment
Responsible for employee’s record/document management ensuring accuracy and compliance with federal and state labor legislation
Provide assistance in the execution of HR policies and procedures
Responsible for coordinating all engagements initiatives and company events; including vendors research and budget/costs
Responsible for new hire benefits enrollment process, qualified changes and terminations
Maintaining records of incidents, injuries for worker’s compensation compliance
Serve as backup for payroll processing
Responsible for updating the organization chart and contact list, as needed
First point of contact for calls and in-person inquiries from vendors and general public
Attend/receive deliveries for the corporate office
Receive, open, sort and deliver all incoming daily mail
Process requests for business cards
Keep inventory of supplies for PDI and PDTC and provide monthly purchase orders for processing to the HR Manager
Provide support in coordinating the logistics for the corporate office document control, organization and storage
Support with all building maintenance needs as they present
Corporate Planning & Governance Support (Headquarter – Japan):
Provide support in all logistics matters when coordinating the quarterly Board of Directors.

Collecting attendees’ availability
Consolidating presentation materials
Arranging meeting venues and dinners
Shareholder and visitor coordination
Travel arrangements and hotel reservations
Provide support for periodic shareholder reporting
Coordinating with Mitsubishi Corporation in Japan the approval of credit renewals
Other recurring compliance – related submissions
Qualification Requirements:
Bachelor’s degree is required, preferably in Human Resources or Accounting
Fully bilingual English and Japanese
Experience in the petroleum distribution industry is highly preferred
Experience working with C-level upper management
Able to work in an extremely high fast-paced environment
2 – 3 years of experience working with HRIS as well as ATS
Extremely detailed oriented
Excellent organization and presentation skills
Fast and accurate data processing and analysis
Able to superbly manage cut-off tasks and dates
Extremely responsive (flexible) to business prioritization requests
System savvy and follower of internal controls
Superb ability to handle confidential information with professionalism and integrity
Excellent email etiquette and communication skills both verbal and written
Extremely proactive attitude
Must be able to lift 35 pounds as needed