Top 69 Administrator sr. Jobs in Orange, Ca

Office Specialist Senior, Contracts Admin & Mtls Mgmt
OCTA —Orange, CA
- $29.89 - $41.13 an hour
- Full-time
- Office
- High school diploma or GED
- Continuous improvement
Sr. Administrative Assistant - On-site (OC)
City of Hope —Irvine, CA
- $27.88 - $43.22 an hour
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Mid-level
10d
Senior Systems Administrator
Quantum Electronic Payments —Anaheim, CA
- $85,000 - $105,000 a year
- Full-time
- 5 years
- Office
- Microsoft Office
- Profit sharing
- Health insurance
Quick Apply
10d
Senior System Administrator
Penhall Company —Anaheim, CA
- Full-time
- 5 years
- Office
- Bachelor's degree
10d
Senior Office Assistant
Long Beach Community College District —Long Beach, CA
- $4,291.05 - $5,426.09 a month
- Online Application
- Background check
- Writing skills
- Mid-level
- Health insurance
- Dental insurance
SENIOR INFORMATION TECHNOLOGY ANALYST
City of Huntington Beach, CA —Huntington Beach, CA
- $8,841.73 - $12,440.13 a month
- Online Application
- Clean driving record
- Computer Science
- Customer service
Senior Credentialing Specialist - Medical Staff Admin - FT Days
University of California, Irvine —Irvine, CA
- $71,600 - $127,400 a year
- Full-time
- Background check
- Microsoft Outlook
- Customer service
- Health insurance
- Retirement plan
SENIOR MANAGER, DIVISION OPERATIONS
The Management Trust —Irvine, CA
- $70,000 - $90,000 a year
- Weekends as needed
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- Public speaking
- Health savings account
- Health insurance
Quick Apply
Sr. Administrative Assistant
Mobis Parts America, LLC. —Fountain Valley, CA
- $41,693.40 a year
- Monday to Friday
- Microsoft Word
- Microsoft Outlook
- Mid-level
- Paid holidays
- Health insurance
Quick Apply
Senior Nuclear Medicine Technologist - Imaging Admin
Providence —Orange, CA
- $55.35 - $87.39 an hour
- Full-time
- Hospital
- BLS Certification
- Mid-level
- Paid parental leave
- Paid holidays
5d
Contract Administrator Sr.
Parker Hannifin Corporation —Irvine, CA
- $87,050 - $145,250 a year
- Office
- Bachelor's degree
- Mentoring
- Paid parental leave
- Paid holidays
Senior IT Systems Engineer
Credit Union of Southern California —Anaheim, CA
- $126,667 - $188,240 a year
- Weekends as needed
- Hybrid work
- System design
- Research
- Office
- Health insurance
14d
Senior Administrative Assistant
Rosendin —Anaheim, CA
- $27.55 - $36.50 an hour
- Full-time
- Oracle
- Microsoft Outlook
- Mid-level
- AD&D insurance
- Paid holidays
Quick Apply
3h
Sr. Administrative Assistant (TEMP 6 Months)
Mobis Parts America, LLC. —Fountain Valley, CA
- $41,693.40 - $61,497.77 a year
- Temporary
- Mid-level
- Office
- Bachelor's degree
- Flexible schedule
Quick Apply
1d
Senior System Administrator
Boeing —Seal Beach, CA
- $146,200 - $197,800 a year
- Computer Science
- 5 years
- Bachelor of Science
- Health savings account
- Disability insurance
10331: Sr. Engineering Systems Administrator - Microsoft 365
Hyundai Autoever America —Irvine, CA
- $110,000 - $125,000 a year
- Full-time
- Office
- Bachelor's degree
- SharePoint
Quick Apply
Senior IT Support Specialist
Fluxergy —Irvine, CA
- $75,000 - $85,000 a year
- Full-time
- 6 years
- Windows
- Mentoring
- Paid holidays
- Health insurance
Quick Apply
Administrative Assistant/Senior Administrative Assistant
City of Arcadia —Arcadia, CA
- $60,912 - $85,956 a year
- Online Application
- Bilingual
- Word processing
- Writing skills
- AD&D insurance
- Disability insurance
2d
Microsoft SQL Sr DBA
Mercury Insurance Services, LLC —Brea, CA
- $77,283 - $179,048 a year
- 8 hour shift
- Hybrid work
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Health insurance
Senior Developer Teamcenter Support, TC Admin
HCLTech —Orange, CA
- From $99,000 a year
- Databases
- Organizational skills
- Senior level
3d

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Office Specialist Senior, Contracts Admin & Mtls Mgmt

OCTA -
Orange, CA

Apply Now

Job Details

Full-time
$29.89 - $41.13 an hour

Qualifications

Customer communication
High school diploma or GED
Clerical experience

Full Job Description

Job Description

Senior Office Specialist

Under minimal supervision, performs a variety of complex clerical, secretarial, and administrative duties in support of assigned department functions. This position provides high-level administrative support, coordinates critical departmental processes, prepares a variety of documents and reports, and serves as a key liaison between staff, management, vendors, and the public to ensure efficient departmental operations.

This is a non-exempt position in salary grade 155: Min – $29.89 | Mid – $35.51 Max – $41.13/hour. The starting salary will be within this range based on qualifications.

This posting will remain open until a candidate is selected.

What You'll Do

Provide advanced clerical, secretarial, and administrative support to assigned departments and programs.
Coordinate board and committee calendars, process board reports, prepare meeting materials, and distribute final staff reports.
Assist with procurement and contract administration activities, including reference checks, report preparation, and document coordination.
Prepare, proofread, and format a variety of correspondence, reports, contracts, agreements, agendas, minutes, presentations, charts, and other business documents.
Maintain databases, electronic records, filing systems, and departmental documentation to ensure accessibility and accuracy.
Coordinate public records requests, including research, document preparation, tracking, and response activities.
Manage records retention and document control processes, including incoming and outgoing correspondence.
Schedule meetings, conferences, training sessions, travel arrangements, and department facilities.
Serve as a point of contact for internal and external stakeholders, responding to inquiries and providing information regarding departmental procedures and services.
Coordinate signature routing and execution of legal agreements and other official documents.
Perform quality assurance reviews of reports, evaluation materials, and supporting documentation.
Support special projects and department initiatives as assigned.

What We're Looking For

Strong administrative, organizational, and project coordination skills.
Excellent written and verbal communication abilities with exceptional attention to detail.
Ability to prepare, proofread, and manage complex business documents and reports.
Experience coordinating meetings, calendars, records management, and document control processes.
Strong customer service skills with the ability to interact professionally with employees, vendors, executive leadership, and the public.
Ability to manage multiple priorities, meet deadlines, and work independently in a fast-paced environment.
Proficiency with Microsoft Office applications and database systems.
Strong problem-solving skills, initiative, and commitment to continuous improvement.

Minimum Qualifications:

High school diploma or equivalent.
Minimum five (5) years of increasingly responsible clerical, administrative, or office support experience, preferably within a specialized functional area or any equivalent combination of education and experience.
Related education is desirable.

Why You'll Love It Here

Play a key role in supporting important agency programs and initiatives.
Work alongside dedicated professionals in a collaborative and customer-focused environment.
Gain exposure to executive-level processes, board activities, procurement, contracts, and public administration.
Opportunity to contribute to process improvements and special projects that support agency success.
Build a rewarding career with an organization committed to serving Orange County communities.

Join a team where innovation, integrity, and strategic thinking are valued.
Apply now to help shape the future of OCTA’s programs.

OCTA is an equal employment opportunity employer that recruits, hires, and promotes qualified people without regard to race, color, religion, creed, ancestry, national origin, age, sex, pregnancy, gender, gender identity and/or expression, sexual orientation, marital status, medical condition, disability, genetic information, military and veteran status, or other legally protected status.

Apply Now

Refine Your Search

administrator sr. jobs in orange, ca

Office Specialist Senior, Contracts Admin & Mtls Mgmt

Sr. Administrative Assistant - On-site (OC)

Senior Systems Administrator

Senior System Administrator

Senior Office Assistant

SENIOR INFORMATION TECHNOLOGY ANALYST

Senior Credentialing Specialist - Medical Staff Admin - FT Days

SENIOR MANAGER, DIVISION OPERATIONS

Sr. Administrative Assistant

Senior Nuclear Medicine Technologist - Imaging Admin

Contract Administrator Sr.

Senior IT Systems Engineer

Senior Administrative Assistant

Sr. Administrative Assistant (TEMP 6 Months)

Senior System Administrator

10331: Sr. Engineering Systems Administrator - Microsoft 365

Senior IT Support Specialist

Administrative Assistant/Senior Administrative Assistant

Microsoft SQL Sr DBA

Senior Developer Teamcenter Support, TC Admin

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