Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Administrative Assistant- Onsite

$28 - $30 per hour

Ultimate Staffing


Position Overview



Ultimate Staffing Services is actively seeking an experienced Administrative Assistant to join their client's team in Irvine, California. The ideal candidate will possess strong organizational skills and a keen attention to detail, providing essential support to ensure smooth operations within the office environment.


Responsibilities





  • Manage and organize office files, documents, and records, ensuring all are up-to-date and easily accessible.




  • Coordinate and schedule meetings, appointments, and travel arrangements for team members.




  • Assist with the preparation of reports, presentations, and correspondence as needed.




  • Handle incoming calls and emails, directing inquiries to the appropriate departments or individuals.




  • Maintain office supplies inventory by checking stock and ordering new supplies as necessary.




  • Provide support for special projects and events, including planning and coordination.




  • Assist in the preparation and processing of expense reports and invoices.




  • Ensure a clean and organized office environment by managing day-to-day administrative tasks.



Qualifications





  • High school diploma or equivalent; additional qualifications as an Administrative Assistant.




  • Proven experience as an administrative assistant or in a similar role.




  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).




  • Excellent written and verbal communication skills.




  • Strong organizational skills with the ability to multitask effectively.




  • Attention to detail and problem-solving skills.




  • Ability to work independently and collaboratively within a team environment.




  • Must have recent work experiene as an Administrative Assitant.




  • Manufacturing is a plus.



Required Work Hours



Monday to Friday, during first shift hours.


Benefits



The position offers competitive pay ranging from $28 to $30 per hour, based on experience and qualifications.


Additional Details



For those interested in joining a dynamic team and contributing to the success of the organization, please apply directly to this job posting for consideration.




All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.


Ultimate Staffing
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Administrative Assistant- Onsite in Costa Mesa, CA vacancy
  • $25 - $30 per hour

    Vaco Recruiter Services is seeking a Front Office Admin for an onsite role in Costa Mesa, CA. The position involves greeting...  ...office cleanliness. Successful candidates will handle multiple administrative tasks to ensure a welcoming and organized front office environment... 
    Suggested
    Hourly pay
    Work at office

    Vaco Recruiter Services

    Costa Mesa, CA
    2 days ago
  •  ...is seeking a highly organized and polished Corporate Executive Assistant to support senior leadership in Newport Beach. The role demands...  ...managing complex calendars and facilitating meetings. This is a fully onsite position, offering a high-trust environment with significant... 
    Suggested

    AppleOne Employment Services

    Newport Beach, CA
    1 day ago
  • $45.67 per hour

     .... Position Description We are currently seeking an Administrative Assistant to join our team in Newport Beach, CA. We have opportunities...  ...meetings and conferences, coordinating logistics for both onsite and offsite events. Travel & Expense Management Book... 
    Suggested
    Hourly pay
    Immediate start
    Flexible hours

    PIMCO

    Newport Beach, CA
    5 days ago
  • $20 - $21 per hour

     ...100% onsite in Newport Beach, CA Provides routine administrative support for a department or administrative unit. Researches and obtains information for routine reports and special assignments. Compiles and analyzes data, and prepares reports for action by superior... 
    Suggested

    Axelon

    Newport Beach, CA
    1 day ago
  • $22 per hour

     ...You'll report to the Customer Care Manager and work full-time onsite 5 days a week from our Santa Ana, CA headquarters. Onsite Requirement...  ...customers Attend trade shows as company representative to assist in order processing with submissions Provide general office... 
    Suggested
    Hourly pay
    Full time
    Work at office
    Remote work
    Worldwide
    Flexible hours
    Shift work

    Collectors Universe

    Santa Ana, CA
    19 hours ago
  • $16.68 - $22.26 per hour

     ...personnel Cross-train in receiving, packaging and shipping Assist with functions such as issuing vials, finished product inventory...  ...Position Type/Expected Hours of Work: This role is a full-time onsite position operating Monday through Friday on a 5x8 (5 days x 8 hours... 
    Hourly pay
    Full time
    Monday to Friday
    Weekend work

    Avid Bioservices

    Costa Mesa, CA
    19 hours ago
  •  ...needs and resource allocations and order supplies as needed. Assisting with mailings and going to post office daily or as needed....  ..., watering office plants, processing mail, and other general administrative duties and clerical support. Maintaining a clean, safe and... 
    Work at office
    Flexible hours

    U.S. Immigration Law Group, LLP

    Santa Ana, CA
    2 days ago
  • $82.77k - $136.78k

     ...Company Description No Relocation Assistance Provided. KIOXIA America, Inc. is the...  ...America Inc., is looking for a Senior Administrative Assistant/Corporate Paralegal to support...  ...event planning for Irvine office (onsite & offsite). Provides back-up support... 
    Work at office
    Local area
    Worldwide
    Relocation
    Flexible hours

    Kioxia

    Irvine, CA
    3 days ago
  •  ...Job tile: Administrative/Clerical Support Staff Duration: 4 Months Location: Fountain Valley CA 92708 (Onsite) Assignment Information: *Accessing e-forms, downloading and/or printing *Filing (electronic or physical documents) for future reference... 
    Work at office

    Compu-Vision Consulting

    Fountain Valley, CA
    1 day ago
  • $23 - $25 per hour

     ...Job Description Leading Utility solutions organization in the South Coast Metro area in need of a Temporary Administrative Assistant to support the Test department. This role is long term temp but could go temp-hire for the right candidate. This is a full time in office... 
    Full time
    Temporary work
    Work at office
    Local area

    Ultimate LLC

    Fountain Valley, CA
    4 days ago
  • This role is ideal for a proactive, highly organized, and detail-oriented professional who thrives in a fast-paced environment and is interested in long-term growth within the company. While pursuing a career in commercial real estate sales is not required, it is considered...
    Work at office

    Rencata

    Newport Beach, CA
    2 days ago
  • $25 - $30 per hour

     ...Administrative Assistant CuraPatient, based in Irvine, California, is an award-winning AI platform revolutionizing the healthcare industry....  ...time, we are focusing on local W-2 resources who will report onsite, as required. We're unable to sponsor work visas and C2C... 
    Hourly pay
    Full time
    Work experience placement
    Casual work
    Work at office
    Local area
    Relocation
    Visa sponsorship
    Work visa

    Curapatient

    Irvine, CA
    2 days ago
  • $50k - $60k

     ...Administrative Assistant We are currently seeking a highly organized and detail-oriented Administrative Assistant to support our daily operations and ensure the smooth running of our office. The ideal candidate will be a proactive problem-solver with exceptional communication... 
    Work at office

    Alphabe Insight

    Santa Ana, CA
    3 days ago
  • $20 per hour

     ...Administrative Assistant Join a group of passionate advocates on our mission to improve the lives of youth! Rite of Passage Team is hiring for an Administrative Assistant at Southern California Treatment Program in Santa Ana, CA. Rite of Passage's Southern California... 
    Hourly pay
    Full time
    Work at office
    Immediate start
    Monday to Friday
    Shift work

    Rite of Passage Brand

    Santa Ana, CA
    2 days ago
  •  ...Administrative Assistant Position Type: Temporary Schedule: M-F, 8:00 am - 4:30 pm Assignment Length: Approximately 6-Months, possibly longer. This position requires a full understanding of and active participation in fulfilling the mission of our client. The employee... 
    Temporary work

    Alura Workforce Solutions

    Fountain Valley, CA
    3 days ago
  •  ...the entire Western Region Investment Management team, providing administrative, transactional, and organizational support across acquisitions...  ...management, entity records, and property documentation. Assist with preparation, review, and distribution of contracts,... 
    Contract work
    Work at office
    Monday to Friday

    KBS Realty Advisors

    Newport Beach, CA
    19 hours ago
  • $18 - $20 per hour

     ...Casa de la Familia is looking for an administrative assistant to join our team! Casa de la Familia specializes in the treatment of post-traumatic, anxiety, and depressive disorders through the provision of crisis intervention and long-term individual and family therapy... 
    Hourly pay

    CASA DE LA FAMILIA

    Santa Ana, CA
    1 day ago
  • $24 - $30 per hour

     ...We are hiring an Administrative Assistant to work out of our Newport Beach Office! Responsibilities: Plan exciting events for the office and company. Cultivate the office culture for internal and external clients. Work alongside all admins throughout... 
    Hourly pay
    Work at office
    Local area

    BKF Engineers

    Newport Beach, CA
    19 hours ago
  • $22.39 per hour

     ...further and apply below for an opportunity to join a top title insurance company. Adecco is currently assisting one of its clients in their search for a Administrative Assistant in Newport Beach, CA! Pay rate: $ 22.39/hr. Shift availability: Mon – Fri, 8a-5p... 
    Hourly pay
    Temporary work
    Local area
    Shift work

    Adecco US, Inc.

    Newport Beach, CA
    6 days ago
  •  ...Professional Search Group (PSG) is seeking an Sr. Administrative Assistant to join their client’s team! The Sr. Administrative Assistant is a hybrid role responsible for providing high-level executive support while leading the development and execution of marketing and... 
    Work at office
    Shift work

    Professional Search Group - OC

    Newport Beach, CA
    2 days ago
  •  ...The Business Support Assistant plays a key role in ensuring the smooth coordination of executive visits while supporting broader administrative and operational functions within the office. This position requires a proactive, detail‑oriented individual who can manage multiple... 
    Work at office

    Adecco

    Fountain Valley, CA
    19 hours ago
  • $100k - $110k

     ...Description Job Description Litigation Legal Assistant Location: Costa Mesa, CA Job Type: Full-Time, Hybrid (4 Days Onsite), Direct Hire Salary: $100,000 - $110,...  ...and Relativity. Perform additional administrative and litigation-related tasks as assigned.... 
    Full time
    Work at office
    Local area

    LHH US

    Costa Mesa, CA
    17 days ago
  • $34.52 - $42.6 per hour

     ...Position Summary: The Senior Administrative Assistant is an integral part of the Leasing team. This position provides support to the Senior...  ...and local law. Reasonable accommodation is available for qualified individuals with disabilities, upon request. #LI-Onsite... 
    Full time
    Contract work
    Work experience placement
    Work at office
    Local area

    Irvine

    Irvine, CA
    19 hours ago
  • $70k

    Top OC Manufacturing organization is adding a Senior Administrative Assistant- Marketing Specialist to support the Executive team. This role is IN OFFICE in Costa Mesa, CA. This combination role will be responsible for providing high-level executive support while leading... 
    Work at office
    Local area

    Ultimate Staffing

    Costa Mesa, CA
    3 days ago
  • $75k - $90k

     ...invite you to apply online today. WORK MODEL #LI-OnSite WHAT YOU WILL DO Calendar and administrative support for the Division Head(s) to meet the...  ...meeting logistics for division. Prepare and/or assist in preparation of reports and presentations. Review... 
    Work experience placement
    Work at office
    Local area
    Shift work

    Hyundai Motor America

    Fountain Valley, CA
    14 hours ago
  • $25 - $30 per hour

    Vaco is seeking a Front Office Administrator in Costa Mesa, CA. In this contract position, you will support daily front desk operations, greet visitors, manage mail and packages, and maintain organization in a professional office environment. The role requires strong communication... 
    Contract work
    Work at office

    Vaco

    Costa Mesa, CA
    2 days ago
  • $20 - $23 per hour

     ...Job Description Job Description Location: Irvine, CA - Onsite Pay: $20 - $23 hourly Summary: As a Patient Care and Reimbursement Specialist (Customer Service) , you will play a vital role in executing day-to-day deliverables across our program portfolio.... 
    Hourly pay
    Full time
    Casual work
    Flexible hours
    Shift work

    RIS Rx

    Irvine, CA
    16 days ago
  • $20 per hour

    Job Description Job Description NEW job posting beginning 10/2/2025. One additional job now available. Wow. We are busy and wish to hire another fabulous person right away! No veterinary experience is needed.  We train! Ready to make a change to something new...
    Full time
    Part time
    Work at office
    Immediate start
    Weekday work

    The Newport Beach Veterinary Hospital

    Newport Beach, CA
    12 days ago
  •  ...EXECUTIVE ASSISTANT Costa Mesa, CA Boardwalk Investments Group, LLC ("Boardwalk") is a privately held commercial real estate...  ...highly organized, detail-oriented Executive Assistant to provide administrative, operational, and project support to the marketing team... 
    Work at office

    Boardwalk Investments Group LLC

    Costa Mesa, CA
    4 days ago
  •  ...Administrative Assistant What do you value in your next job? At the Orange County Sanitation District our Core Values form the framework of our organization and reinforce our professional work ethic. If the following values ring true with you, we'd love to invite... 
    Work at office

    Government Jobs

    Fountain Valley, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Administrative Assistant- Onsite. Be the first to apply!