The Accounts Payable Specialist is responsible for processing vendor invoices, maintaining accurate financial records, resolving invoice issues and perform other financial duties as assigned to support departmental goals and operations. This role is ideal for a detail-oriented professional who combines strong technical accounting skills with exceptional customer service, vendor management, and problem-resolution abilities.

Key Responsibilities:

• Accurately enter and process vendor invoices and credit memos into the accounting system.
• Perform invoice validation and account coding to ensure compliance with company policies and procedures.
• Conduct account and invoice analysis to identify discrepancies, trends, and opportunities for process improvement. Research, investigate, and resolve invoice and vendor account issues in a timely manner.
• Monitor open items and follow up proactively with vendors and internal stakeholders to resolve outstanding matters. Reconcile vendor statements and accounts to ensure completeness and accuracy.
• Prepare and maintain reports using Microsoft Excel, including pivot tables, VLOOKUP/XLOOKUP, and data analysis tools.
• Support month-end and year-end closing activities related to accounts payable, including assisting with audits by providing supporting documentation and account analysis.
• Build and maintain positive working relationships with vendors.
• Collaborate with purchasing, operations, and finance teams to resolve discrepancies and improve invoice processing efficiency.
• Identify and recommend process improvements to enhance efficiency and internal controls.

UIG is seeking a Safety Coordinator to support safety and compliance for our division in all areas of the business. The Safety Coordinator ensures a strong culture of safety and compliance by leading by example and partnering with leadership to implement best practices across all locations. This includes overseeing and implementing safety programs, training, audits, and regulatory compliance while monitoring environmental, health, and safety initiatives for plant operation and corporate office locations. This position represents a very high level of responsibility and individual contribution. This position is remotely located but requires travel to the UIG operations locations and the Bethlehem, PA office.

Responsibilities:

• Ensure that safety is a core value for all team members by promoting a safe work environment through leading by example.
• Champion and promote a strong safety and compliance culture implementing programs to ensure teammate safety and company regulatory compliance.
• Build on Nucor’s basic safety principles as the foundation to the UIG safety base.
• Work with the leadership team to establish operational safety best practices at all locations.
• Manage, deliver, and conduct training and audits on various standard operating procedures (SOPs).
• Monitor the safety, health, and environmental performance of the locations and recommend priorities and actions for improvement.
• Ensure and monitor on-site compliance of company safety regulations for both teammates and third-party contractors.
• Conduct incident investigations in conjunction with plant management and provide guidance to the leadership team on incident reviews.
• Conduct monthly safety meetings in accordance with training requirements.
• Work alongside HR regarding teammate injuries and OSHA filings, providing effective case management.
• Complete all online OSHA reports.
• Represent the company on regulatory issues with government entities.

UIG is currently seeking a VPSA Process Engineer. The Process Engineer will be primarily responsible for developing process engineering designs and specifications for UIG Vacuum Pressure Swing Adsorption (VPSA) projects and commercial proposals. The Process Engineer will also provide Process support for the start-up and ongoing operations of the VPSAs.

Responsibilities:

• Analyze costs and benefits of various process solutions and select optimum design cases for the system and the equipment.
• Perform process simulations and calculations, write process specifications, and provide accurate process data to support compressors, adsorption systems, control valves, relief valves, manual valves, pumps, heat exchangers, tanks, pipeline measurement equipment, analyzers, silencers, and other non-cryogenic air separation equipment components specifications and purchasing.
• Develop Process Flow Diagrams (PFDs), and Heat and Material Balances (H&MB).
• Participate in P&IDs development, HAZOP, plant commissioning and start-up, technical risk analysis, safety and environmental assessments and documentation, VPSA  troubleshooting and investigations.
• Ensure successful completion of assigned project phases on schedule and within budget.
• Review technical aspects of vendor equipment proposals.
• Review and check project specific drawings and data sheets to ensure compliance with design criteria and standards.
• Participate in the development and implementation of process performance test specification for VPSA plants.
• Interface with customers and suppliers as required.

We are seeking a Senior Process Systems Engineer to serve as the technical owner for Process & Instrumentation Diagrams (P&IDs) for cryogenic air separation projects.

The successful candidate will have significant hands-on experience developing, owning, and maintaining P&IDs from initial concept through detailed engineering, construction, commissioning, and final as-built documentation. Direct experience with cryogenic Air Separation Units (ASUs) producing oxygen, nitrogen, and argon is strongly preferred.

This engineer will be accountable for ensuring P&IDs accurately translate process design intent into safe, operable, maintainable, and constructible process systems and will lead P&ID coordination across process, mechanical, piping, instrumentation and controls, safety, suppliers, construction, commissioning, and operations.

Primary Responsibilities

• Serve as the technical owner and primary engineering authority for project P&IDs, maintaining technical integrity and consistency throughout the project lifecycle.
• Personally develop and direct P&ID development from conceptual design through detailed design, IFC/construction, commissioning, redlines, and final as-built status.
• Translate PFDs, heat and material balances, equipment requirements, operating philosophies, and process design criteria into complete P&IDs.
• Define piping, equipment, isolation, bypass, vent, drain, relief, instrumentation, control, alarm, trip, shutdown, and safeguarding requirements.
• Lead formal multidisciplinary P&ID reviews and resolve comments and technical interfaces.
• Incorporate vendor information, HAZOP/PHA actions, design changes, field modifications, and commissioning discoveries into controlled P&ID revisions.
• Perform field walkdowns and reconcile engineering drawings against installed systems to support accurate as-built documentation.
• Establish and maintain P&ID standards, symbology, design conventions, checklists, and quality requirements.
• Mentor engineers and designers in P&ID development and review.
• Participate in or lead HAZOP/PHA and other process safety reviews.
• Support equipment specification, technical bid evaluation, vendor reviews, construction, commissioning, startup, performance testing, and troubleshooting.