Position Overview

As an Assistant Project Manager - HVAC, you'll support the successful execution of commercial HVAC and integrated mechanical projects by assisting the Project Manager in coordinating activities, ensuring alignment with scope, schedule, budget, and quality standards, while focusing on HVAC system design, installation, and performance. This role contributes to delivering high-performance, sustainable mechanical outcomes for clients in commercial and critical environments across any of our operating companies. Our people-first culture empowers your technical and organizational skills with professional growth opportunities, mentorship, cross-functional collaboration, and the satisfaction of helping deliver reliable, efficient building systems nationwide.

Duties And Responsibilities

Assist the Project Manager in planning, coordinating, and overseeing HVAC-related projects, including heating, ventilation, air conditioning systems, ductwork, piping, and integration with building infrastructure.
Support development and maintenance of project schedules, milestones, and resource allocation using industry-standard tools.
Track project costs, prepare cost projections, monitor budgets, and assist in identifying and managing variances, change orders, or value engineering opportunities.
Coordinate with internal teams (field technicians, engineers, installers, subcontractors), vendors, and clients to ensure timely procurement, submittals, approvals, fabrication, and installation of HVAC equipment and components.
Monitor project progress through regular site visits, report on status, risks, issues, safety compliance, and performance metrics to the Project Manager and stakeholders.
Assist in quality control/assurance processes, ensuring compliance with project specifications, company standards, codes (e.g., ASHRAE, IMC), regulatory requirements, and safety protocols.
Help manage documentation, including contracts, RFIs, change requests, submittals, as-built drawings, and project close-out packages.
Support risk identification and mitigation efforts related to HVAC scope, equipment performance, technical integration, and project delivery.
Contribute to client communication, attend progress meetings, and provide updates on HVAC system status, commissioning, and performance.
Participate in project handover, system startup/commissioning support, testing/balancing coordination, and post-project reviews to drive continuous improvement and lessons learned.

Supervisory Responsibilities

None (this role has no direct supervisory responsibilities but requires close collaboration with project managers, field teams, and other departments; may involve guiding or mentoring junior staff or interns as needed).

Requirements/Qualifications

Experience: 2+ years of experience in project coordination, assistant project management, or field/operations roles within HVAC, mechanical contracting, construction, or related industries. Recent graduates with engineering or construction management degrees who have relevant experience or strong interest in commercial HVAC are encouraged to apply.
Education: Bachelor’s degree in Mechanical Engineering, Construction Management, Project Management, or a related field (or equivalent experience).
Certifications/Licenses: Valid driver's license and clean driving record required; OSHA 10/30-hour certification encouraged (company support provided).
Physical Demands: Primarily office-based with frequent job-site visits; ability to walk active construction sites, climb ladders/stairs, lift light materials (plans, laptop), and travel regionally as needed.
Work Environment/Safety: Professional office with hybrid options and active construction sites; exposure to varying weather, noise, dust, heights; must adhere to OSHA regulations, conduct hazard identification, and wear required PPE (hard hat, safety glasses, steel-toed boots) on sites—safety is our top priority and non-negotiable. This is a safety-sensitive position.

Required Skills

Familiarity with commercial HVAC systems (chillers, boilers, air handlers, VAV systems, rooftop units, piping/ductwork) and integration with other building systems preferred.
Understanding of project management principles, including scheduling, cost control, procurement, and risk management.
Proficiency in Microsoft Office Suite (Excel, Project, Word); experience with project management software (Procore, Autodesk BIM 360, Bluebeam, or similar) is a plus.
Strong organizational, analytical, and problem-solving skills with keen attention to detail.
Excellent communication and interpersonal abilities to collaborate across multidisciplinary teams, subcontractors, and clients.
Ability to travel to project sites as required and work in a fast-paced, field-oriented environment.

Modigent Overview

Modigent is a national leader delivering next-generation infrastructure, technology, and energy solutions through our family of specialized brands in HVAC, plumbing, and controls systems. With a strong coast-to-coast presence and extensive service capabilities, we empower customers, communities, and our over 1,500 team members to thrive with sustainable, efficient commercial building services. As part of our team, you'll contribute to thoughtful innovation and our people-first culture rooted in service, collaboration, and integrity.

Why Work at Modigent

Competitive compensation based on experience and level, with opportunities for performance incentives.
Comprehensive benefits including medical, dental, and vision coverage, plus HSA options with employer contributions in select plans, and company-paid basic life and accidental death & dismemberment insurance.
Paid time off, holiday pay, and a 401(k) retirement savings plan to support your long-term financial well-being.
Professional development through hands-on training, mentorship, apprenticeships, certifications, and clear career advancement paths across our nationwide operating companies.
Inclusive, supportive culture that values diversity, dignity, respect, collaboration, integrity, and personal fulfillment—empowering you to build a rewarding, long-term career.

Equal Opportunity Statement

Modigent is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other protected characteristic.

Third-Party Recruitment Policy

Modigent and its wholly-owned operating companies will not pay any fees for candidate introductions, resumes, or placements from recruiters, employment agencies, or staffing firms without a prior, signed recruitment agreement specifically authorizing submission for a designated position. Unsolicited resumes or candidate submissions will not obligate Modigent to any payment, and we reserve the right to pursue and hire such candidates without liability. Agencies are requested to refrain from contacting hiring managers directly; all inquiries and submissions must go through our Talent Acquisition team.

Southland Mechanical

Latest Jobs

Assistant Project Manager - HVAC