Arellano Associates employs energetic, highly motivated and tech-savvy individuals who are dedicated to public service. As a premiere consulting firm in Southern California, AA offers the latest advancements in public outreach, communications and technology tools. Our employees enjoy a progressive, positive and challenging work environment that fosters excellence and ongoing learning.

available positions

Assistant Project Coordinator, Chino Hills, CA 

Under direction from project leadership, the Assistant Project Coordinator assists with a variety of tasks for public outreach and stakeholder engagement. This position includes public interaction and limited client interaction. 

Key responsibilities include: 

  • Drafting collateral materials (fact sheets, brochures, newsletters), e-communication, and social media postings 

  • Completing tasks needed for in-person, public engagement events (public meetings), such as meeting logistics and supplies, and event staffing 

  • Assisting to apply the latest tech tools to communicate project information and receive public input, such as: ArcGIS, SurveyMonkey, MetroQuest, Poll Everywhere, TypeForm, dashboards, interactive maps, etc. 

  • Coordinating vendor services, such as catering services, translation services, and toll free phone lines 

  • Updating stakeholder databases, project websites, and social media content 

  • Performing project tasks within allotted time frame and budget parameters 

  • Communicating issues to management and directions to junior staff 

Successful candidates will: 

  • Have 0-3 experience in marketing, communications, public outreach, public relations, government relations, planning, public policy, or a related discipline 

  • Possess excellent written and verbal communication skills 

  • Be detail-oriented, flexible, and able to multi-task in a dynamic environment 

  • Be comfortable interacting with the public 

  • Be available to attend public meetings and in-person events during working and evening hours 

  • Be functional in Microsoft Office, Constant Contact, and social media platforms 

  • Be familiar with electronic mapping, online survey tools, and public engagement software (ArcGIS, Survey Monkey, Metro Quest, TypeForm, Turning Point, and Geosocial interactive mapping) 


Bilingual in English and Spanish 

Invoice/Administrative Assistant, Chino Hills, CA

Arellano Associates is currently seeking an energetic and experienced Invoice/Administrative Assistant to join our team! You will be responsible for working closely with our Invoice Specialists to produce top quality client invoices on a monthly basis. You will also be responsible to assist with administrative duties.

Key responsibilities include:

  • Support Invoice Specialists

  • Produce Invoices and all supporting back-up documentation

  • Prepare mileage logs, TEC forms, maps, timesheets, and other documents as needed

  • Email correspondence/communication with clients and primes

  • Send invoices electronically to clients and process invoices through our internal system

  • Filing of invoices and contracts

  • Internal management of project direct costs (receipts, vendor invoices etc.)

  • Enter receipts into timekeeping system – as needed

  • Manage billable rates in timekeeping system

  • Monthly fee schedule management

  • Complete and submit personnel requests to add staff to projects

  • Update Project Information Sheet (PIS) – as needed

  • Create and maintain calendar invites for projects with specific billing periods and submittal dates

  • Maintain contracts files and keep only current/active project files in file drawer. Box and properly record files for off-site storage


  • Ability to learn company systems

  • Proficient in Microsoft Excel

  • Working knowledge of Microsoft Office, including Outlook and Word

  • Ability to prioritize and multi-task

  • Strong organizational skills

  • Strong communication skills

  • Deadline and detail oriented

How to Apply

Applicants should send a resume and cover letter (include design portfolio if applicable) outlining how they meet the specific requirements of the position to