Junior Project Engineer

Apollo Mechanical Contractors is seeking an onsite Project / Field Engineer to support the delivery of large-scale, schedule-driven mission critical data center work in the New Carlisle / South Bend, Indiana area. This position will support project management and field operations across mechanical, piping, HVAC, plumbing, electrical, controls, testing, commissioning, and turnover activities. The ideal candidate is organized, technically capable, and comfortable coordinating multiple trades in an active data center construction environment.

• Maintain project documentation, including RFIs, submittals, change documentation, field reports, meeting minutes, drawing logs, and closeout records.

• Review contract drawings, specifications, shop drawings, coordination models, and installation details for constructability, completeness, and field execution.

• Coordinate mechanical, piping, HVAC, plumbing, electrical, controls, and equipment interfaces with project management, field supervision, subcontractors, vendors, design teams, and the client.

• Support BIM/VDC and multi-trade coordination of data halls, central utility areas, equipment rooms, overhead distribution, underground systems, and prefabricated assemblies.

• Track procurement, fabrication, deliveries, material status, long-lead equipment, and installation readiness to support the project schedule.

• Maintain equipment, system, fabrication, installation, testing, punch-list, and turnover tracking logs for accurate schedule updates and project reporting.

• Assist with estimates, budgets, quantity takeoffs, purchase orders, subcontracts, change proposals, and cost tracking.

• Support short-interval planning, look-ahead schedules, constraint tracking, craft productivity reporting, and recovery planning in a fast-paced environment.

• Coordinate field questions and resolve installation conflicts by working with engineering, quality control, senior project personnel, vendors, and trade partners.

• Support quality documentation, inspection planning, pressure testing, flushing, cleaning, energization readiness, startup, commissioning, and turnover activities.

• Participate in project, coordination, safety, quality, schedule, and commissioning meetings; clearly document decisions, commitments, and action items.

• Promote safe work execution and compliance with project requirements, approved procedures, and site-specific controls in an active mission critical environment.

• Provide technical guidance and field support to project team members as assigned.

• Bachelor's degree in Engineering, Construction Management, or a related field preferred; equivalent relevant construction experience will be considered.

• Minimum 1-3 years of experience as a Project Engineer or Field Engineer, or 3-5 years of comparable experience supporting mechanical, piping, electrical, industrial, or mission critical construction.

• Working knowledge of mechanical piping, HVAC, plumbing, electrical distribution, controls, or related building systems; data center experience is strongly preferred.

• Ability to read and interpret construction drawings, specifications, submittals, schedules, and technical documents.

• Experience with RFIs, submittals, procurement tracking, change management, field coordination, quality documentation, and project closeout.

• Proficiency in Microsoft Office, particularly Excel and Word; experience with Microsoft Project, Primavera P6, BIM 360 / Autodesk Construction Cloud, Bluebeam, or similar construction platforms is preferred.

• Clear written and verbal communication skills, with the ability to work professionally with clients, designers, subcontractors, vendors, field personnel, and internal teams.

• Strong organization, time management, follow-through, and ability to reprioritize in a schedule-sensitive environment.

• Ability to work independently onsite, identify issues early, and drive actions through resolution.

• Willingness to work the project schedule required for onsite construction support in the New Carlisle / South Bend area.

• Hyperscale or mission critical data center construction, including phased data halls or campus-scale development.

• Chilled-water, hydronic, process piping, HVAC, plumbing, fuel, equipment connection, generator support, electrical, controls, testing, commissioning, or integrated…