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22 executive support specialist jobs at 18 companies in Ontario, CA

2mo
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Executive Support Specialist
Los Angeles, California, United States
$75k-$85k/yr OnsiteFull Time
Epic Healthcare Management
Epic Healthcare Management: Operator of rehabilitation and long-term nursing care facilities.
5+ YOEBachelor's degree required (legal/paralegal preferred), minimum 5 years in legal, compliance, or HR management, strong MS Office skills, research and documentation skills, confidentiality and regulatory experience.
Microsoft Office
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3mo
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Support Specialist, PK Director’s Action Group (DAG) – Space Systems Command
El Segundo, California, United States
$90k-$110k/yr OnsiteFull Time
BTAS
BTAS: Provider of IT, engineering, and program management services to the DoD.
5+ YOESecret clearance; 5 years DoD executive admin support; 1 year college.
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1mo
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Senior IT Support Specialist
Irvine, California, United States
$75k-$85k/yr OnsiteFull Time
Fluxergy
Fluxergy: Private U.S. in vitro diagnostics developing multimodal point-of-care testing platforms for human, veterinary, and food-safety users.
6+ YOE6+ years supporting Windows desktops and Microsoft 365 administration; advanced troubleshooting across endpoints, networking, and Microsoft Intune; strong communication and executive support skills.
Microsoft 365, Entra ID (Azure AD), Exchange Online, Microsoft Intune, SharePoint, OneDrive, Microsoft Teams, Windows 10, Windows 11, macOS, ManageEngine ServiceDesk, CrowdStrike, SentinelOne, Darktrace, PowerShell
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3mo
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Executive Projects & Communications Specialist - SOM
Pasadena, California, United States
OnsiteFull Time
Kaiser Permanente Bernard J. Tyson School of Medicine
Kaiser Permanente Bernard J. Tyson School of Medicine: A healthcare education and research organization focused on advancing medical care and policy through its school of medicine.
4+ YOEDevelop executive communications, manage projects, and support governance for the Deans Office; create briefing materials and board-ready deliverables.
Microsoft 365, PowerPoint, Word, Excel, Teams
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3mo
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Talent Acquisition Specialist - Executive Recruiting
Costa Mesa or Denver
$29-$36/hr HybridFull Time
VF Corporation
VF CorporationNYSE: VFC: Global leader in branded lifestyle apparel, footwear, and accessories.
7+ YOESenior-level talent acquisition experience supporting executives; 7+ years with VP level; strong logistical, communication, and multiprocessing skills.
Workday, LinkedIn Recruiter, MS Office
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3w
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Cybersecurity Client Relationship & Sales Support Specialist
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$59k-$155k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in sales, cybersecurity, and project management; strong communication and executive presence; and a bachelor's degree or equivalent experience.
Customer Relationship Management (CRM)
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3w
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Cybersecurity Client Relationship & Sales Support Specialist
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$54k-$155k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years each in sales, cybersecurity, and project management, strong communication and executive presence, and a bachelor's degree or equivalent work experience.
Customer Relationship Management (CRM), Quarterly Business Review (QBR)
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2w
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Private Wealth Client Specialist
Newport Beach, California, United States
$35-$51/hr OnsiteFull Time
FBT Gibbons
FBT Gibbons: Private national law firm advising mid-market businesses, startups, and multinational companies on corporate, litigation, and regulatory matters.
3+ YOEBachelor’s degree or equivalent, 3+ years of executive support experience, Microsoft Office proficiency, strong organization and communication skills, confidentiality, discretion, and authorization to work without sponsorship.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Microsoft OneDrive, PDF
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1mo
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Service Client Specialist to the Managing Partner
Glendale, California, United States
$65k-$80k/yr OnsiteFull Time
New York Life Insurance
New York Life Insurance: Mutual life insurance providing insurance and investment solutions.
5+ YOE5+ years executive support or operations experience, advanced Microsoft Office skills, calendar/travel/meeting management, recruiting/onboarding coordination, strong communication, confidentiality, and FINRA pre-hire fingerprinting requirement.
Microsoft Outlook, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Microsoft Teams, ChatGPT, Microsoft Co-Pilot
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6d
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CATERING SPECIALIST
Laguna Niguel, California, United States
$20-$25/hr OnsiteFull Time
Mendocino Farms
Mendocino Farms: Fast-casual restaurant chain serving chef-driven sandwiches and salads.
Requires a hospitable attitude, strong personality, desire to help people, guest engagement skills, and ability to support catering sales and order execution.
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2w
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COUNCIL OFFICE SPECIALIST (PRINCIPAL COUNCIL EXECUTIVE ASSISTANT TO VICE MAYOR MAI)
Irvine, California, United States
OnsiteFull Time
City of Irvine
City of Irvine: Charter-city government providing public safety, infrastructure, parks, libraries, and community services to Irvine residents.
High school diploma or equivalent and clerical experience required. Two years of relevant professional experience preferred, with strong organization, communication, event planning, customer service, and office technology skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Google Workspace, Canva, Zoom, Microsoft Teams, Facebook, Instagram, LinkedIn, X
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3mo
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Quality Specialist
Compton or Rancho Dominguez
$48k-$54k/hr OnsiteFull Time
Henkel Adhesive Technologies GmbH
Henkel Adhesive Technologies GmbH: German wholly owned adhesive, sealant and functional-coatings manufacturer serving industrial customers, consumers and craftsmen.
Quality control testing of materials and finished goods; SAP data entry; SHEQ compliance; sample management; support for Quality Engineers; process optimization; project execution; develop tests and report data; coordinate regulation changes.
SAP, Laboratory testing equipment
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1mo
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Retail Service Specialist
Murrieta, California, United States
$17-$25/hr OnsiteFull Time
O'Reilly Auto Parts
O'Reilly Auto PartsNASDAQ: ORLY: Major retailer of automotive aftermarket parts and accessories.
Provide customer service and sales support, supervise store operations, execute merchandising and order processes, obtain RSS certification; retail/auto parts experience and ASE certification desired.
Zipline
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1w
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Marcomm Specialist (Temporary)
Buena Park, California, United States
$28-$38/hr OnsiteFull Time, Temporary
Yamaha Corporation of America
Yamaha Corporation of AmericaTokyo Stock Exchange Prime Market: 7951: Public Japanese manufacturer of musical instruments and audio equipment serving consumers, musicians, professionals, and businesses worldwide.
Experience executing traditional, digital, and social marketing programs; Microsoft Office proficiency with advanced PowerPoint and Excel; consumer brand, marketing tactic, sales support, creative tool, and cross-functional experience preferred.
Microsoft Office, Microsoft PowerPoint, Microsoft Excel, Workfront, Wrike, Teamwork, Asana
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1mo
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Process Validation Specialist - Torrance
Torrance, California, United States
$80k-$100k/yr OnsiteFull Time
PolyPeptide Laboratories Inc.
PolyPeptide Laboratories Inc.SIX Swiss Exchange: PPGN: Contract Development & Manufacturing Organization for peptide-based active pharmaceutical ingredients.
1+ YOESupport process validation and equipment qualification in cGMP manufacturing; prepare protocols, execute validation activities, review data, and support audits. Bachelor\u0002s or Master\u0002s in engineering/life sciences/chemistry and 1+ years cGMP experience.
Minitab
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2mo
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Senior Specialist, Product Management
Bridgewater or Bartlett or Westminster or Richmond or Perris or Canada or Mexico or Brazil or Argentina or Chile or Peru
$75k-$90k/yr HybridFull Time
Brother International Corporation
Brother International Corporation: Provider of home office and business equipment, products for sewing and crafting, and industrial solutions.
5+ YOEBachelor's degree (or equivalent), minimum 5 years' related experience in marketing/product support, strong analytical and communication skills, experience analyzing market data and executing go-to-market and launch activities.
Workfront, Project Information Management (PIM), Digital Asset Management (DAM)
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15h
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Office Manager - a Culture & Experience Specialist
Los Angeles, California, United States
OnsiteFull Time
We Are Social
We Are Social: Global socially-led creative agency helping major brands reach people through social, creative, media, and marketing services.
2+ YOERequires 2+ years in office administration, hospitality, events, executive support, community, or similar people-focused work, plus strong organization, communication, discretion, and emerging technology curiosity.
AI, social media, automation, low-code, vibe-coding
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2mo
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Environmental Test Lab Specialist
Long Beach, California, United States
$37-$51/hr OnsiteFull Time
Relativity Space
Relativity Space: Aerospace developing 3D-printed rockets and launch services.
5+ YOE5+ years supporting environmental testing in aerospace/defense/electronics; hands-on execution of vibration, shock, and thermal tests; ability to run ATP/QTP, configure instrumentation, collect and communicate test data.
thermal chambers, vibration tables, shock systems, data acquisition systems, accelerometers, thermocouples, MES/ERP systems, test scheduling systems
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1mo
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Service Client Specialist to the Managing Partner
Glendale, California, United States
$65k-$80k/yr OnsiteFull Time
New York Life Insurance
New York Life Insurance: Mutual life insurance providing insurance and investment solutions.
5+ YOE5+ years executive support or operations experience, advanced Microsoft Office skills, strong communication, judgment, process improvement ability, and FINRA pre-hire fingerprinting required.
Microsoft Outlook, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Microsoft Teams, ChatGPT, Microsoft Co-Pilot
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2w
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Underwriting Specialist or Executive Underwriter, Construction PL
Denver or Addison or Arizona or Atlanta or Dallas or Rancho Cordova or Greenwood Village or Houston or Las Vegas or Los Angeles or Nashville or Orange County or Phoenix or Portland or Sacramento or Salt Lake City or San Antonio or San Diego or San Francisco or San Jose or Scottsdale or Seattle or Walnut Creek
$75k-$165k/yr HybridFull Time
Zurich North America
Zurich North AmericaSIX Swiss Exchange: ZURN: Zurich U.S. is a private commercial and specialty insurance provider serving businesses across the United States.
3+ YOERequires high school diploma or equivalent and 3–10 years of underwriting, market-facing, claims, or underwriting support experience depending on level; Microsoft Office, regulatory knowledge, and construction professional liability expertise preferred.
Microsoft Office
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