Graduate Engineer I, Mechanical

Halff Associates, Inc.; McAllen (TX); On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

401(k) plan

ESOP

Paid time off & holidays

Job summary

Halff Associates, Inc. is seeking new graduates who will graduate in December 2026 or May 2027 to join our Mechanical Graduate Engineer program supporting the MEP team. The role emphasizes basic HVAC design, system layouts, and collaboration with project stakeholders while building proficiency under senior staff.

The ideal candidate will have HVAC knowledge, energy modeling experience, and a strong foundation in BIM/CAD tools, with PE licensure as a plus for career growth.

Qualifications

• Bachelor or Master in Mechanical Engineering, or Architecture/Engineering.
• Working knowledge of IMC and ASHRAE 90.1.
• Three+ years of HVAC and energy modeling.
• Experience in Trane Trace 700 or Carrier HAP.
• Revit (BIM) and AutoCAD production experience.
• Ability to obtain the Professional Engineering (PE) license is a plus.

Responsibilities

• Basic design and layout of HVAC air and hydronic systems.
• Build strong working relationships with clients and internal contacts.
• Collaborate with engineers, architects, and project stakeholders including owners.

Skills

HVAC energy modeling

IMC knowledge

ASHRAE 90.1 knowledge

PE license (plus)

Education

Bachelor or Master in Mechanical Engineering or Architecture/Engineering

Tools

Revit (BIM)

AutoCAD

Trane Trace 700

Carrier HAP

Job description

Description

Halff is seeking New Graduates who will graduate in December 2026 or May 2027 for a Mechanical Graduate Engineer supporting our MEP team. The ideal candidate will have at least three years of experience with HVAC air and hydronic concepts and must be capable of performing routine calculations, equipment layout, basic equipment under supervision of senior staff.

What you will do:

• Basic design and layout of HVAC air and hydronic systems
• Build strong working relationships with both clients and internal contacts with other Halff offices
• Collaborate effectively with other engineers, architects, and project stakeholders including owners

What you will need:

• Bachelor or Master's degree in Mechanical Engineering, or Architecture/Engineering
• Working knowledge of IMC and ASHRAE 90.1
• Three + years of HVAC and energy modeling
• Experience in Trane Trace 700 or Carrier HAP
• Revit (BIM) and AutoCAD production experience
• Ability to obtain the Professional Engineering (PE) license is a plus

The Halff MEP Advantage

• Our professionals aim to design buildings that use less energy, generate less waste and cost less to maintain.
• Our staff knows there isn't one right answer to MEP challenges.
• We understand the demands of managing multiple projects under Indefinite Delivery/Indefinity Quantity contracts.

Learn more about Halff's MEP services, check out some of our projects, and meet our team

Halff's MEP Engineering Services

• Cybersecurity
• Engineering Studies
• Information and Communication Technology (ICT)
• LEED and Renewable
• Lighting System Design
• Mechanical and Air Systems Design
• Plumbing System Design
• Power System Design

Company Overview:

Halff is a full-service infrastructure consulting firm planned, designed, engineered, constructed - and purposed - for people. Since 1950, we've been creating smart solutions that improve lives and communities by turning ideas into reality. Halff was founded on a core tenet: Focus on people, treat them well, and success will follow. It's no wonder, then, that our employees and the culture they create result in our firm consistently being named a Top Workplace in America. Our industry-leading professionals collaborate to meet tough challenges in creative ways. You can view Halff's full complement of services here Halff has over 30 offices in Texas, Oklahoma, Louisiana, Florida, Arkansas, Georgia and Arizona. For a full list of our locations, click here We offer excellent benefits, including but not limited to:

• Medical, dental, prescription and life insurance
• Long-term and short-term disability insurance
• Paid time off (PTO) and 8 company paid holidays (and Veteran's Day for our veterans)
• Traditional and Roth 401(k) plans
• Employee Stock Ownership Plan (ESOP)
• Health Savings Account (HSA)
• 529 College Savings Plan
• Flexible spending accounts (FSA)
• Employee Assistance Plan
• Click here for a more comprehensive list of Halff's benefits

Salary is competitive and commensurate with experience.

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

Halff is a drug‑free workplace. This offer of employment is contingent upon the receipt of a clear drug screen and background check prior to your first day of employment. This position may be subject to random drug testing pursuant to federal regulations.

#earlycareer

Qualifications

Education

Bachelors of Mechanical Engineering (required)

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.

For further information, please review the Know Your Rights notice from the Department of Labor.