Top 18 Senior administrative assistant Jobs in Raritan Nj

Sr. Operations Support Administrator
American Water —Hillsborough, NJ
- $26.78 - $43.39 an hour
- Overtime
- Microsoft Word
- Microsoft Outlook
- 5 years
- Employee stock purchase plan
- Health insurance
Senior Administrative Assistant, US Medical Affairs
Genmab —Princeton, NJ
- $72,240 - $108,360 a year
- Online Application
- Research
- Office
- Microsoft Office
- Commuter assistance
- Paid parental leave
Senior Administrative Assistant
Brother International Corporation —Bridgewater, NJ
- $28.85 - $36.00 an hour
- Hybrid work
- 5 years
- Office
- High school diploma or GED
Sr. Executive Assistant
ADP —Roseland, NJ
- $49,100 - $120,900 a year
- Full-time
- 7 years
- Office
- Senior level
- Wellness program
- Disability insurance
Senior Administrative Assistant
Sanofi —Morristown, NJ
- $31.32 - $41.76 an hour
- Microsoft Excel
- Microsoft Outlook
- Office
- Parental leave
14d
Sr Specialist, LMS Administration
Insmed Incorporated —Bridgewater, NJ
- $113,000 - $143,500 a year
- Full-time
- Hybrid work
- Microsoft Outlook
- Mid-level
- Office
- Employee stock purchase plan
- Disability insurance
Senior HR Coordinator for Global TA/TM
Bristol-Myers Squibb —Princeton, NJ
- $74,630 - $90,434 a year
- Email
- Hybrid work
- Continuous improvement
- Travel
- SharePoint
- Paid holidays
- Disability insurance
Sr Operations Admin
FedEx —East Brunswick, NJ
- $17.63 - $27.34 an hour
- Part-time
- Mid-level
- Travel
- Under 1 year
1d
Office Assistant
Meals on Wheels in Hunterdon —Flemington, NJ
- $19 - $20 an hour
- Part-time
- Google Workspace
- Office
- Administrative experience
- Paid time off
- Retirement plan
Quick Apply
10d
Senior Administrative Assistant (Commercial Brokerage Coordination)
Colliers International —Woodbridge, NJ
- $33.65 - $36.06 an hour
- Full-time
- Marketing
- Mid-level
- Office
- Paid parental leave
- AD&D insurance
8d
Senior Patent Practice Secretary
Lowenstein Sandler —Roseland, NJ
- $85,000 - $110,000 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Health insurance
- Dental insurance
Front Desk Concierge - Senior Living
Discovery Commons Hamilton —Township of Hamilton, NJ
- $20 an hour
- Full-time
- Background check
- Computer literacy
- Administrative experience
- Paid training
- Paid holidays
Quick Apply
14d
Wellness Administrative Assistant
Monarch Communities —Livingston, NJ
- $26 - $28 an hour
- Full-time
- Vital signs
- High school diploma or GED
- Ability to lift 50 pounds
- AD&D insurance
- Paid holidays
Quick Apply
1d
Bookkeeper/Administrative Assistant/Controller
Prestige Plumbing & Heating Inc. —Staten Island, NY
- $30 - $45 an hour
- Full-time
- 7 years
- Office
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
Senior Administrative Assistant, Enforcement
Financial Industry Regulatory Authority, Inc. —Woodbridge, NJ
- $26.37 - $55.49 an hour
- Overtime
- Hybrid work
- 6 years
- Word processing
- Mid-level
- Paid jury duty
- Commuter assistance
Quick Apply
6d

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Sr. Operations Support Administrator

American Water -
Hillsborough, NJ

Apply Now

Job Details

Full-time
$26.78 - $43.39 an hour

Benefits

Employee stock purchase plan
Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
Life insurance

Qualifications

Customer communication
Project coordination
High school diploma or GED
Driver's License

Full Job Description

Requisition ID: 110117

Share Our Purpose. Be Yourself. Feel Valued.

People are the heart of our business. As an American Water employee, you will be offered a competitive salary and health benefits package, along with opportunities to develop, grow, and evolve your career. Our benefits packages focus on key areas such as health & wellness, emotional & well-being, and savings for current & future goals.

We are Beautifully Different. We strongly believe having diversity across our company makes us more successful and helps us provide essential services to our customers. We are stronger because we embrace different ideas, viewpoints, experiences, and backgrounds. American Water is the best choice for your next role! Click here for more information on our inclusion, diversity, and equity journey.

About American Water
American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886 and celebrating 140 years in 2026, We Keep Life Flowing® by providing safe, clean, reliable and affordable drinking water and wastewater services to approximately 14 million people with regulated operations in 14 states and on 18 military installations. American Water’s approximately 7,000 talented professionals leverage their significant expertise and the company’s national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and other stakeholders.

For more information, visit amwater.com and join American Water on LinkedIn, Facebook, X and Instagram.

Position Information

Salary Range: $26.78/hr- $43.39/hr

The base salary range represents a good faith salary range for this position. This position is eligible for annual incentive pay and has the opportunity for continued salary growth. If you are hired at American Water your base salary compensation will be determined based on factors such as market, geography, skills, education and/or experience. At American Water, we are committed to pay equity.

In addition to compensation, you will be offered a comprehensive benefits package including 401(k), Defined Contribution Plan, Employee Stock Purchase Plan, medical, prescription, dental and vision coverage, plus disability, paid time off, life insurance, voluntary benefits, health and wellness programs and much more!

American Water is also proud to offer employees learning opportunities and work experiences to grow professionally!

#LI-BR1

#LI-On-site

Primary Role

New Jersey American Water is seeking a Sr. Operations Support Administrator to join our team in Hillsborough, NJ. As a lead, you will support and coordinate day-to-day operational functions including scheduling, customer relations, asset management, and reporting. The ideal candidate will have strong administrative experience in a fast-paced environment, as well as experience supporting operational counterparts and business leaders.

The Sr Operations Support Administrator is responsible for providing enhanced administrative and operational support for departmental and field operations. This senior‑level support role applies in‑depth knowledge of company processes, systems, and policies to independently coordinate complex administrative activities, resolve issues, and serve as a trusted resource to operations leadership, internal partners, and customers.

Key Accountabilities

Provide administrative support to managers and departments for operations and special projects, applying in‑depth knowledge of company processes, systems, and priorities
Coordinate travel arrangements and maintain departmental calendars and meeting schedules, proactively resolving conflicts and advising leaders on scheduling efficiencies
Prepare, review, and distribute correspondence, reports, and meeting minutes, ensuring accuracy, alignment with company standards, and appropriate distribution
Oversee inventory of office supplies, equipment, and materials, monitoring usage trends, resolving discrepancies, and placing replenishment orders in accordance with established guidelines
Coordinate the permitting process by obtaining permits and assembling standard documentation, verifying completeness and compliance with requirements
Point of contact for escalated customer or operational issues, requiring advanced system knowledge, cross‑functional coordination, or policy interpretation and exercising judgment in escalating complex or sensitive matters
Explain company processes, procedures, and system workflows to customers and internal partners, serving as a resource
Monitor, research, and respond to assigned BPEMs in accordance with established guidelines, identifying trends or recurring issues and escalating as appropriate
Coordinate work order preparation and completion, ensuring adherence to policies, procedures, and system requirements and providing guidance to staff
Enter, audit, update, and track work orders in systems, identifying and correcting discrepancies.
Ensure accurate and timely data entry across business systems, databases, and spreadsheets, using system knowledge to prevent and resolve errors
Compile, review, and validate daily, weekly, and monthly reports using predefined formats, confirming data accuracy and flagging anomalies
Research, maintain, and update information in tracking systems and document repositories, ensuring records are accurate, complete, and audit‑ready.
Maintain organized and reliable operational records related to operations, customer activity, and departmental processes in accordance with retention standards

Additional Key Accountabilities

Initiate and monitor routine purchasing transactions, including purchasing card and fleet‑related expenses, ensuring compliance with policies and resolving discrepancies
Coordinate and support inventory tracking and reporting, reconciling variances and maintaining accurate inventory records
Support vendor setup and invoice processing, researching and resolving routine billing or delivery discrepancies and escalating issues as needed
Review payroll documentation for completeness and accuracy prior to submission.
Support accounts payable and receivable activities, including invoice entry, receipt processing, payment tracking, and issue resolution
Prepare deposit documentation and supporting materials, ensuring accuracy and completeness.
May prepare complex operational reports and perform basic trend analysis to support departmental planning and decision‑making
Resource for onboarding and ongoing enablement of administrative staff by sharing knowledge, reinforcing best practices, and advising on processes and procedures
The duties and responsibilities listed are representative of the work performed by employees in this role and are not intended to be exhaustive. Specific responsibilities may vary based on business needs, location, operational requirements, and organizational assignment

Knowledge/Skills

Knowledge of customer and/or operations support practices.
Intermediate level experience with computerized systems, database management, spreadsheet and word-processing programs to process data and create reports.
Strong knowledge of computer software such as MS Word, Excel and Outlook
Process and project management skills.
Good business acumen and judgment.
Good quantitative and analytical skills; attention to detail.
Good verbal and written communication skills (e.g., report writing, listening, plan reading and creating, and presentation).
Strong interpersonal skills (e.g., tact/diplomacy, persuasion, team building, cooperation, leadership, ability to motivate others

Experience/Education

High School diploma or GED
5+ years’ experience in clerical / administrative support

Work Schedule

Full-time, on-site
Monday-Friday, day shift
Overtime as needed

Travel Requirements

Local travel may be needed
Valid state driver's license

Competencies

Champions safety

Collaborates

Cultivates innovation

Customer obsessed

Drives Results

Nimble learning

Join American Water...We Keep Life Flowing™

American Water is firmly committed to Equal Employment Opportunity (EEO) and prohibits employment discrimination for employees and applicants based on his or her age, race, color, pregnancy, gender, gender identity, sexual orientation, national origin, religion, marital status, citizenship, or because they are an individual with a disability, protected veteran or other status protected by federal, state, and local laws.

Apply Now

Refine Your Search

senior administrative assistant jobs in raritan nj

Sr. Operations Support Administrator

Senior Administrative Assistant, US Medical Affairs

Senior Administrative Assistant

Sr. Executive Assistant

Senior Administrative Assistant

Sr Specialist, LMS Administration

Senior HR Coordinator for Global TA/TM

Sr Operations Admin

Office Assistant

Senior Administrative Assistant (Commercial Brokerage Coordination)

Senior Patent Practice Secretary

Front Desk Concierge - Senior Living

Wellness Administrative Assistant

Bookkeeper/Administrative Assistant/Controller

Senior Administrative Assistant, Enforcement