Jobs at Harder Mechanical Contractors

Provides administrative and office support for the Arizona construction team, including onboarding new hires, data entry, document control, scheduling, reception, communications, filing, timecard and training coordination, material purchasing, and purchase order tracking. The role is fully on-site in Phoenix and requires strong organization, communication, confidentiality, multitasking, and proficiency with Microsoft Office.

Supports construction site safety through hazard identification, job walks, inspections, incident prevention, safety documentation, toolbox talks, training, PPE assessments, and corrective actions. The role works with project managers, supervisors, and craft employees to promote safe work planning and compliance with OSHA and project-specific requirements. It includes structured training, early starts, extended shifts, and occasional weekend or additional shift coverage.

Manages construction safety for a data center project, including jobsite inspections, incident prevention and investigation, hazard analyses, PPE assessments, regulatory compliance, employee training, toolbox talks, and corrective actions. Serves as the site Competent Person, advises project leadership and field personnel on hazardous work activities, and oversees assigned safety professionals.

Supports day-to-day accounting for multiple offices and construction projects by maintaining financial records, preparing reconciliations, filing sales and use tax returns, assisting with financial reporting, analyzing business operations, performing audits, and improving processes. The role also provides support across payroll, accounts payable, and accounts receivable while ensuring accurate, timely, and compliant financial information.

Manages quality control for mechanical construction projects, supervising inspectors and field teams, enforcing project and regulatory standards, conducting inspections and tests, tracking quality documentation, training staff, and coordinating with clients and project management. The role requires strong 3D piping knowledge, process piping detailing experience, high-tech tool installation experience, and current AWS CWI or LEV II certification.

Oversee planning, scheduling, budgeting, and execution of mechanical construction projects in the semiconductor sector. Manage project teams, field labor, client relationships, stakeholders, schedules, quality, safety, and customer satisfaction. Provide progress updates and status reports while ensuring successful project outcomes and adherence to budget and schedule.

Manages construction safety for semiconductor manufacturing projects by inspecting jobsites, equipment, and materials; investigating incidents; conducting training and toolbox talks; developing job hazard analyses; assessing PPE; and correcting hazardous conditions. Serves as the on-site Competent Person, advises field supervision on safety practices, ensures compliance with OSHA and local regulations, and oversees assigned safety professionals.

Plans, schedules, and executes assigned construction scopes while coordinating field labor, reviewing drawings, resolving engineering constraints, monitoring progress and quality, preparing work packages and estimates, maintaining project records, and supporting project managers. The role also involves mentoring new engineers, communicating with suppliers, designers, owners, and field crews, and traveling to regional projects. It is an entry point to a project management career in mechanical construction.

Plans, schedules, and executes assigned mechanical construction scopes. Reviews drawings, compiles quantities, resolves engineering issues, monitors field construction, prepares work packages and estimates, tracks progress, maintains project records, mentors engineers, and supports project managers. Coordinates with field crews, suppliers, designers, owners, and other stakeholders to ensure safe, timely, high-quality project delivery.

Plans, schedules, and executes assigned construction project scopes. Reviews drawings, resolves engineering issues, monitors field construction, prepares work packages and estimates, tracks progress, maintains project records, mentors new engineers, and supports project managers across mechanical construction projects.

Plans, schedules, and executes assigned construction project scopes. Reviews drawings, compiles quantities, resolves engineering issues, monitors field work, prepares work packages and estimates, tracks progress, maintains project records, and supports project managers. The role coordinates with field crews, suppliers, designers, and owners while ensuring safety, quality, schedule, and cost performance. It also includes mentoring new engineers and traveling to regional projects.

Manage planning, scheduling, budgeting, and execution of mechanical construction projects. Coordinate project teams and field labor, maintain client relationships, ensure safety, quality, and on‑time delivery, provide status reports, and drive successful outcomes.

Supports construction project teams with document control, scheduling, project tracking, estimating, purchasing, contract administration, and subcontractor coordination. The intern interprets drawings, maintains project logs, tracks progress and costs, assists with work planning, coordinates materials and vendors, and gains hands-on mechanical construction experience while preparing for entry-level engineering roles.

Lead planning, scheduling, budgeting, and execution of mechanical construction projects. Coordinate project teams and field labor, maintain client relationships, ensure safety, quality, schedule adherence, and deliver regular status and progress reports.

Plan, schedule, and execute mechanical scopes for a mission-critical data center. Coordinate trades, review drawings and BIM for constructability, develop work packages and schedules, track productivity and costs, manage procurement, RFIs, submittals and change orders, support commissioning and turnover, mentor field engineers, and enforce safety.

Lead on-site construction safety for semiconductor projects: enforce regulations, inspect sites and equipment, investigate incidents, deliver training, develop job hazard analyses, oversee safety staff, and consult on hazard control.

Manage planning, scheduling, budgeting, and execution of mechanical construction projects. Coordinate project teams and field crews, ensure safety, quality, and client satisfaction, provide status reports, and oversee project outcomes across commercial, advanced technology, and industrial sectors.

Plan, schedule, and execute assigned mechanical construction scopes. Review drawings, resolve engineering issues, monitor field work for quality and safety, prepare work packages and estimates, track progress, maintain document control, mentor junior engineers, and assist the project manager.

Lead mechanical scope for a large mission-critical data center: plan and execute construction, manage budgets, schedules, procurement, commissioning, client relationships, risk mitigation, and mentor project engineers to ensure safety, quality, and on-time delivery.

Plan, schedule, and execute mechanical scopes for a mission-critical data center. Coordinate with field teams, subcontractors, vendors, and owners; review drawings and BIM for constructability; develop work packages and short-term schedules; track productivity, forecasts, and costs; manage procurement, RFIs, submittals, change orders, turnover documentation, and commissioning; mentor Field Engineers and promote safety.