Demo

Senior Administrative Assistant

Ultimate Staffing
Costa Mesa, CA Full Time
POSTED ON 6/5/2026
AVAILABLE BEFORE 7/4/2026

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 the development and execution of marketing and creative initiatives. 75% of this role is dedicated to executive administrative support and operations coordination, and 25% to marketing, graphic design, and content development. Must have advanced PowerPoint experience.

Executive Support & Operations (75%)
* Provide executive-level administrative support to the President and senior leadership, including preparation of presentations, proposals, and reports
* Manage complex calendars, coordinate meetings, and optimize scheduling for efficiency
* Arrange and oversee domestic and international travel, including itineraries, accommodations, and logistics
* Maintain action trackers and ensure timely follow-up on key initiatives and deliverables
* Coordinate communication and deliverables between leadership, internal teams, and external partners
* Liaise with third-party vendors, suppliers, and service providers to ensure timely execution and quality outcomes
* Support cross-functional projects, business development activities, and operational initiatives
* Coordinate tradeshows and events, including logistics, travel, and vendor management
Marketing & Creative (25%)
* Design and produce high-quality digital and print marketing materials (presentations, brochures, tradeshow assets, product packaging, and web content)
* Develop and publish marketing content, including articles, newsletters, and corporate communications
* Manage and grow the company's LinkedIn presence, including content strategy, posting, and engagement
* Collaborate with Business Development and technical teams to translate complex concepts into clear, compelling messaging and visuals
* Plan and oversee photo and video production, including coordination with external creative vendors
* Support tradeshows and events through creation of branding, booth design, and promotional materials
* Monitor and analyze marketing performance metrics and recommend improvements
* Maintain organized libraries of marketing assets, templates, and brand guidelines
Qualifications & Skills
* Proven experience supporting senior executives and/or leadership teams
* Strong background in graphic design and digital marketing
* Advanced proficiency in Microsoft Office (PowerPoint, Word, Excel)
* Advanced proficiency in Adobe Creative Suite (Illustrator, Photoshop, InDesign)
* Experience managing social media platforms, especially LinkedIn
* Strong understanding of branding, layout, typography, and visual storytelling
* Exceptional organizational skills with the ability to manage multiple priorities
* High attention to detail and commitment to quality
* Excellent written and verbal communication skills
* Ability to work independently and adapt in a fast-paced, deadline-driven environment
* Experience in B2B, manufacturing, aerospace, or technical industries preferred

BA REQUIRED
BILINGUAL Mandarin, or Spanish would be a plus

This position pays $70K annually

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.

Salary : $70,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Administrative Assistant?

Sign up to receive alerts about other jobs on the Senior Administrative Assistant career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$59,158 - $74,794
Income Estimation: 
$72,615 - $89,381
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$59,158 - $74,794
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Ultimate Staffing

  • Ultimate Staffing Hillsboro, OR
  • Job Title: Facilities Support - Technical Operative Pay Rate: $20-$23 per hour Location: Hillsboro, OR Employment Type: Full-Time | Direct Hire | On-Site W... more
  • 5 Days Ago

  • Ultimate Staffing Bloomington, MN
  • Carrier Operations Specialist Overview This role supports day-to-day interactions with transportation partners and helps maintain smooth financial and oper... more
  • 5 Days Ago

  • Ultimate Staffing Redmond, WA
  • Location: Redmond, WA 98052 Pay Rate: $65.00-$70.81/hr. Duration: 18 Months Onsite/Remote/Hybrid: Hybrid - 4 days onsite per week Shift (if applicable): 1s... more
  • 5 Days Ago

  • Ultimate Staffing Dallas, TX
  • Key Responsibilities Provide administrative support to the HR team across recruiting, onboarding, and employee relations Coordinate interviews, schedule me... more
  • 5 Days Ago


Not the job you're looking for? Here are some other Senior Administrative Assistant jobs in the Costa Mesa, CA area that may be a better fit.

  • JPMorganChase Irvine, CA
  • Job Description Demonstrate your proven track record supporting a senior leader in a fast-paced environment. with a proven track record of developing stron... more
  • 23 Days Ago

  • JPMorgan Chase Irvine, CA
  • Demonstrate your proven track record supporting a senior leader in a fast-paced environment. with a proven track record of developing strong partnerships a... more
  • 23 Days Ago

AI Assistant is available now!

Feel free to start your new journey!