Part Time Accounting Assistant (20-24 hours per week)

Optimax-Systems-Inc.

Union Hill (NY)

On-site

USD 28,000 - 34,000

Part time

14 days+
Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Benefits offered by this job

401(k) company match

Job summary

Optimax Systems, Inc. in Ontario, NY, is seeking a part-time Accounting Assistant (20-24 hrs/week, 9am-2pm, A-shift) to join our onsite finance team.

The role reports to the CFO and focuses on basic bookkeeping, accounts payable, cash receipts, and supporting monthly inventory and administrative tasks. Ideal candidates have at least two years of corporate accounting experience, familiarity with Excel and ERP systems, and strong math and communication skills.

Qualifications

  • Minimum of two years of experience in a corporate setting; some accounting knowledge preferred.
  • Experience within a manufacturing environment a plus.
  • Proficiency with Excel and ERP systems; strong math and communication skills.

Responsibilities

  • Create and reconcile accounts payable invoices and identify discrepancies.
  • Weekly review and matching of payments to payables.
  • Participate in monthly Finished Goods Inventory Purge process.
  • Review and enter cash receipts on a timely basis.
  • Performs other ad hoc related duties as assigned.
  • Ability to work within a team dynamic.

Skills

Excel
Outlook
Microsoft Office
Accounting knowledge
Math skills
Verbal communication
Written communication
Interpersonal skills
Organizational skills
Teamwork

Tools

ERP systems
Accounts Payable

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Regular Part Time Ontario, NY, US

Salary Range: $20.00 To $25.00 Hourly

Accounting Assistant

Fully Onsite

Part-time (20-24 hrs/week); A-shift, 9am-2pm (flexible)

Optimax is experiencing exciting growth and expanding our team! We are seeking an Accounting Assistant at all skill levels. Whether you are starting your career or looking for a new challenge, we offer a dynamic work environment, opportunities for advancement, and the chance to contribute to creating cutting-edge optics for a wide range of industries.

A unique corporate culture combined with a dynamic work environment:

At Optimax, we build lenses that power cutting-edge technologies in aerospace, defense, and consumer electronics. Our optics help shape breakthroughs that benefit humanity and protect our freedom. We offer a dynamic and collaborative work environment where innovation and teamwork thrive. We are looking for motivated individuals who are eager to learn, grow, and contribute to impactful projects.

The Accounting Assistant is responsible for assisting with basic bookkeeping and accounting tasks, with an opportunity to grow within a growing company. This role reports directly to the CFO.

Through On the Job Training the part time Accounting Assistant, will:

  • Create and reconcile accounts payable invoices and identify discrepancies
  • Weekly review and matching of payments to payables
  • Participate in monthly Finished Goods Inventory Purge process
  • Review and enter cash receipts on a timely basis
  • Performs other ad hoc related duties as assigned
  • Knowledge, Skills, and Abilities:
  • Proficiency with Microsoft Office Suite, especially Excel and Outlook.
  • Knowledge of ERP systems and basic bookkeeping procedures
  • Good math skills and the ability to spot numerical errors
  • Excellent verbal and written communication skills
  • Excellent interpersonal skills and positive attitude
  • Excellent organizational skills and attention to detail
  • Ability and willingness to learn
  • Ability to work within a team dynamic
Education Requirements:
  • Minimum of two years’ experience in the corporate setting; some accounting knowledge preferred
  • Experience within a manufacturing environment a plus
Work Requirements:
Physical Demands:
  • While performing the duties of this job, the employee is frequently required to sit, stand, walk, talk and hear.
  • The job may involve prolonged periods of sitting and computer work.
  • This position works in an office environment within a manufacturing facility. The noise level is generally quiet.
  • Generally works in a clean environment and works to maintain the environment as such.
Compensation and Benefits:

As a part time role, this job is not eligible for benefits. To the extent this employee works more than 1,000 hours in a 12 month period or 500 hours in two consecutive years, they would be eligible to participate in the company’s 401(k) program and earn the company match (Currently 50% of contributions up to 6% of eligible wages).

Equal Opportunity Employer:

Optimax is committed to offering equal opportunity for all candidates. We encourage you to apply regardless of background, race, religion, gender, sexual orientation, age, disability, veteran status, or any other protected characteristic. Optimax will make reasonable accommodations for known physical or mental limitations of otherwise qualified employees and applicants with disabilities unless the accommodation would impose an undue hardship on the operation of our business.

ITAR Compliance:

Employment at Optimax Systems, Inc. is subject to export control compliance requirements, including the International Traffic in Arms Regulations (ITAR) issued by the United States Department of State, Department of Defense Trade Controls, and the Export Administration Regulations. Learn more about the ITAR here. To meet export control compliance requirements for this position, an applicant must be a “U.S. Person” as defined by applicable regulations or be eligible to obtain the required authorizations from the U.S. Department of State. “U.S. Person” includes a U.S. Citizen, lawful permanent resident, refugee, or asylee.

If you require an accommodation to apply for this position, please contact our Human Resources team at 585-265-1020.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Part Time Accounting Assistant (20-24 hours per week)
Part Time Accounting Assistant (20-24 hours per week)

Optimax Systems, Inc • New York (NY)

Hybrid
USD 28,000 - 34,000
401(k) match
Diamond Turning Technician, OFF SHIFTS
Diamond Turning Technician, OFF SHIFTS

ADP, Inc. • New York (NY)

On-site
USD 48,000 - 71,000
Bonus 25% monthly profit sharing
Tuition Assistance
Health Insurance
+3
Diamond Turning Technician, ALL SHIFTS
Diamond Turning Technician, ALL SHIFTS

Optimax-Systems-Inc. • Union Hill (NY)

On-site
USD 48,000 - 71,000
Bonus: 25% Monthly Profit Sharing
Tuition Assistance
Health Insurance (Medical, Dental, and
Diamond Turning Technician, ALL SHIFTS
Diamond Turning Technician, ALL SHIFTS

Optimax Systems, Inc • New York (NY), Northern (KY)

Hybrid
USD 528,000 - 529,000
Profit sharing 25%
Tuition assistance
Health insurance
+3
Laser Metrology Technician
Laser Metrology Technician

Optimax Systems, Inc • New York (NY)

On-site
USD 42,000 - 63,000
Bonus: 25% Monthly Profit Sharing
Tuition Assistance
Health Insurance
+5
2026 Winter Internship
2026 Winter Internship

Optimax Systems, Inc • New York (NY), Northern (KY)

Hybrid
USD 31,000 - 72,000
2027 Summer Internship
2027 Summer Internship

ADP, Inc. • New York (NY)

On-site
USD 31,000 - 72,000
Coordinate Measurement Machine (CMM) Technician
Coordinate Measurement Machine (CMM) Technician

Optimax Systems, Inc • New York (NY)

On-site
USD 41,000 - 55,000
Bonus: 25% Monthly Profit Sharing
Tuition Assistance
Health Insurance: Medical, Dental, and
+3
Senior Accountant
Senior Accountant

Optimas • Wood Dale (IL)

On-site
USD 80,000 - 100,000
Accounting Specialist
Accounting Specialist

Socket.dev • Hauppauge (NY)

On-site
USD 60,000 - 70,000
401(k) with company match
Medical, dental, and vision coverage
Paid time off and volunteer day
+5