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HR Administrative Assistant-Temporary

Job in Middlesex, Middlesex County, New Jersey, 08846, USA
Listing for: Kelso Industries
Full Time, Seasonal/Temporary position
Listed on 2026-02-16
Job specializations:
  • Administrative/Clerical
    Bookkeeper/ Accounting Clerk
  • Accounting
    Bookkeeper/ Accounting Clerk, Accounting Assistant
Salary/Wage Range or Industry Benchmark: 10000 - 60000 USD Yearly USD 10000.00 60000.00 YEAR
Job Description & How to Apply Below
Position: HR Administrative Assistant-Temporary/Full time

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Recruiter Notice:
We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications.

Job Title:

HR Administrative Assistant-Temporary/Full time Project duration: 4-6 Months

Key Responsibilities
  • Accounts Payable:
    Review/verify vendor invoices, match to POs/receipts, code expenses, enter into accounting software (e.g., Quick Books), prepare payments (checks/ACH), and resolve discrepancies.
  • Accounts Receivable:
    Generate/send customer invoices, post payments/deposits, monitor aging accounts, follow up on past-due balances (email/phone), and handle basic collections/research.
  • Reconciliations & Reporting:
    Reconcile statements/accounts, maintain accurate records, and assist with month‑end close tasks.
  • Light HR / Benefits Admin:
    Assist with employee benefits enrollment/open enrollment (e.g., health insurance, 401(k), etc.), update benefit records for new hires/changes/terminations, answer basic employee questions on benefits, and ensure compliance with simple policies.
  • Timekeeping:
    Collect/verify employee timesheets or attendance records, track hours/vacation/sick time/PTO, enter data into payroll/time system, and support payroll prep by flagging adjustments (e.g., overtime, leaves).
  • General Admin:
    Data entry, filing/scanning documents, answering billing/HR-related phones/emails, ordering supplies, and other clerical support as needed.
Requirements
  • 2-3 years of experience in AR, AP, bookkeeping, and HR admin/finance role.
  • Proficiency in Microsoft Excel, Quick Books, and Net Suite and comfort learning accounting and HR software.
  • Reliable, professional, and able to handle confidential financial info.
  • High school diploma or equivalent; associate's in accounting/business a plus.
  • Ability to lift light boxes/files occasionally (office setting, no heavy labor).
Why Join Kelso Industries?

Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.

Here You Will Experience
  • Growth Opportunities:
    Develop new skills, take on exciting challenges, and advance your career in meaningful ways.
  • Company Culture:
    You’ll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable.
  • Impact:
    Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day.
  • Competitive Compensation & Benefits:
    You’ll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being.
EEO Statement

Kelso Industries celebrates diversity and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business.

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