Jobs at MacDonald-Miller

Manage accounts receivable collections, follow up on outstanding invoices, support cash application, resolve billing disputes, maintain accurate customer and collection records, analyze aging reports, assist with month-end reconciliations, and improve AR processes. The role works closely with internal teams and customers to reduce outstanding receivables and ensure timely, accurate payments.

Sell HVAC service maintenance agreements to new and existing B2B commercial-building customers in Portland and surrounding Oregon markets. Identify prospects, assess operating costs, prepare customized proposals, negotiate contracts, manage renewals and changes, grow the customer base, and promote additional mechanical contracting services. The role requires independent, results-oriented business development and strong customer partnership skills.

Designs and coordinates HVAC and plumbing systems for commercial building projects. Produces calculations, reports, drawings, and construction documents using Revit, AutoCAD, and Bluebeam Revu. Manages multiple projects, coordinates with architects, engineers, project managers, and field teams, supports quality control, mentors team members, and drives design-process improvements while meeting schedules, budgets, codes, and company standards.

Leads procurement operations across multiple locations, overseeing purchase orders, supplier relationships, delivery tracking, issue resolution, compliance, reporting, and process improvements. Manages and develops the procurement team, supports negotiations, evaluates supplier performance, and partners cross-functionally with project, service, operations, and finance teams. Uses data, dashboards, technology, and workflow improvements to increase efficiency, visibility, and service quality.

Designs and coordinates HVAC and plumbing systems for commercial building projects. Produces calculations, drawings, reports, and construction documents using Revit, AutoCAD, and Bluebeam Revu. Manages multiple projects, coordinates with architects, engineers, project managers, and field teams, ensures code and quality compliance, mentors team members, and drives design process improvements.

Supervise the Accounts Payable function, lead and develop the AP team, oversee accurate invoice and payment processing, manage vendor relationships, support month-end close, and maintain financial controls. Serve as a key ERP resource by troubleshooting system issues, optimizing workflows, improving processes, monitoring reporting, and partnering with Accounting, Procurement, Operations, and IT.

Own the building controls sales process across the Portland commercial market, from identifying opportunities through proposals, negotiations, and contract awards. Develop retrofit and bid proposals, specifications, estimates, and sales strategies. Build relationships with architects, MEP consultants, contractors, customers, and internal teams while growing accounts, securing new business, protecting profit margins, and ensuring proposed solutions are deliverable.

Configure, program, start up, test, commission, and troubleshoot building automation and control systems for commercial buildings. The role involves working with HVAC and mechanical controls, energy management, lighting controls, communication networks, and software solutions. Responsibilities include testing equipment and control components, documenting results, resolving issues, supporting system performance, and delivering excellent customer service while working independently and collaboratively.

Designs and commissions hardware, software, and network controls for commercial Building Automation Systems across new construction and retrofit projects. Responsibilities include interpreting plans and specifications, developing sequences of operation and manuals, applying value engineering, assessing project financials, ensuring regulatory compliance, and communicating with sales, mechanical engineering, field operations, customers, and management. The role supports HVAC control integration and energy-efficiency initiatives.