HR Administrative Assistant-Temporary/Full time

Company: Kelso Industries
Location: Middlesex
Posted on: February 16, 2026

Job Description:

Job Description Job Description 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., QuickBooks), 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, QuickBooks, and NetSuite 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. 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

Keywords: Kelso Industries, Hoboken , HR Administrative Assistant-Temporary/Full time, Accounting, Auditing , Middlesex, New Jersey