Accounts Receivable Staff Accountant

Help grow a safer, cleaner, healthier future for everyone, every day.

Sensorex Summary

At Sensorex, we believe that even the most complex water analysis should be fast and simple to perform. Sensorex specializes in the design and manufacture of pH and ORP electrodes, conductivity and TDS sensors, and other electrochemical and optical measurement technologies. We’ve introduced some leading-edge technologies since our initial launch in 1972, and today, we remain focused on the continual advancement of water quality monitoring products.

Trusted by over 250 market leaders in water treatment applications, Sensorex offers industry leading sensor development services alongside application advisory services. With our strong legacy of supporting OEMs through custom offerings, as well as domestic and international distribution partners, we deliver a seamless buying experience and fast delivery. In addition to our factory and headquarters in Garden Grove, California, United States, Sensorex also has manufacturing capability in Czech Republic in support of our European customers. We offer localized support with sales and customer service representatives based in UK and Czech Republic.

Sensorex is part of Halma plc, a FTSE‑listed global group of more than 50 technology companies operating across the Safety, Environmental & Analysis, and Healthcare sectors. Halma serves customers in over 100 countries and has delivered over 20 consecutive years of profit growth, supported by a disciplined, long‑term investment model. Sensorex operates within Halma’s Environmental & Analysis sector, focused on water analysis and environmental monitoring solutions.

Position Overview

The AR Staff Accountant is responsible for owning the full accounts receivable lifecycle while supporting month‑end close, payroll, sales and use tax compliance, and financial reporting activities. This role plays a key part in maintaining accurate customer accounts, ensuring timely collections, administering full‑scope payroll processing, and ensuring compliance with indirect tax requirements, while supporting strong internal controls within the accounting function.

As a secondary responsibility, the position provides limited backup support for basic financial system and desktop troubleshooting during planned absences, following documented procedures and coordinating with internal or external IT resources as needed. This aspect of the role is intended to ensure continuity of operations.

This role works closely with Sales, IT, and Customer Service, and is well-suited for an accounting professional who values detail, ownership, and process discipline.

Key Responsibilities

• Own the full accounts receivable lifecycle, including customer invoicing, cash application, credits, adjustments, collections, and maintenance of accurate customer account records
• Proactively monitor AR aging and follow up on past‑due balances, resolving billing discrepancies, short payments, unapplied cash, and customer disputes
• Partner with Sales and Customer Service on credit matters, account holds, customer taxability questions, and customer issue resolution
• Own and administer full sales and use tax compliance through Avalara AvaTax, including taxability mapping, exemption certificate management, transaction review, reconciliations, and support of monthly and annual filings in coordination with external tax advisors
• Monitor sales and use tax accounts, prepare supporting schedules, and reconcile tax liabilities to the general ledger to ensure accurate reporting and compliance
• Own and execute end‑to‑end bi‑weekly payroll processing, including data validation, system processing, payroll journal entries, reconciliations, and review and approval of employee expense reports to support accurate financial reporting and compliance
• Support month‑end close activities by reconciling AR‑, payroll‑, and sales/use tax‑related accounts to the general ledger and preparing supporting schedules and documentation
• Assist with bank reconciliations, intercompany AR reconciliations, and audit support, including AR confirmations, sales tax support, and related schedules
• Prepare AR‑related reporting and analysis, including aging trends for management and month‑end reporting
• Maintain strong internal controls, process documentation, and audit support across AR, payroll, and sales & use tax functions
• Provide limited, ongoing helpdesk support for basic IT and system needs during planned absences, coordinating routine system tasks and user requests with internal and external IT partners to ensure continuity of operations

Required Qualifications

• Bachelor’s degree in Accounting, Finance, or a related field
• Proven progressive accounts receivable or general accounting experience (2-3 years)
• Solid understanding of the full AR cycle, including invoicing, cash application, collections, and reconciliations
• Experience supporting month-end close activities
• Strong understanding of GAAP and its application to accounts receivable, payroll, reconciliations, and financial reporting
• Proficiency with ERP and HRIS systems; experience with Microsoft Dynamics GP and Workday preferred
• Strong Excel skills and the ability to work with detailed financial data
• Excellent organizational skills with a high level of accuracy and attention to detail
• Professional communication skills and the ability to work cross-functionally

Desired Skills & Attributes

• Strong ownership mindset with the ability to independently manage core accounting and payroll processes and influence outcomes through partnership and follow‑through
• High attention to detail and accuracy, paired with a strong sense of accountability for recurring operational cycles and financial integrity
• Comfortable operating in ambiguity, exercising sound judgment to resolve issues, prioritize work, and adjust approach as circumstances evolve
• Proactive problem solver who takes initiative to improve processes, controls, and ways of working within accounting and payroll
• Ability to balance recurring deadlines (AR, bi‑weekly payroll, month‑end close) with ad‑hoc requests, issue resolution, and special projects
• Interest in technology and systems, with a willingness to learn and support process and system improvements

Why Join Sensorex

• Join a stable, growing organization where accounting plays a meaningful role in supporting operations, cash flow, and sound financial decision‑making
• Take ownership of critical processes within a collaborative, well‑structured finance team
• Work in an environment that values accuracy, accountability, and strong internal controls, with opportunities to improve processes and ways of working
• Be part of a company that offers broad exposure across accounting functions while maintaining clear scope, support, and work‑life balance

Travel Requirements

• Minimal

Compensation

• Base salary and annual bonus DOE ($80-$90k)
• Competitive benefits package includes medical, dental, life, disability and 401(K)

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