Mechanical Engineer - MEP/HVAC

Kiewit Corporation; Lone Tree (IA); On-site; USD 100,000 - 160,000; Full time

Benefits offered by this job

Medical, dental, and vision plans

Retirement plans with matching

Paid time off

Job summary

Kiewit Architectural & Engineering in the United States is seeking Building Mechanical Engineers to design HVAC, piping, ventilation and plumbing systems for a diverse portfolio of EPC projects across multiple market sectors, including data centers, healthcare, transportation and industrial facilities.

You will lead design efforts, coordinate with in‑house engineers and contractors, prepare construction documents, support procurement, respond to RFIs, review 3D models and mentor junior

Qualifications

• Bachelor's degree in mechanical or architectural engineering.
• 7+ years of building mechanical design experience.
• PE license is a plus (for senior roles).
• Experience with HVAC, piping, and plumbing systems in high-reliability environments.
• Proficient in building modeling software.

Responsibilities

• Design and lay out mechanical systems for diverse building types, including HVAC, piping, and plumbing.
• Create construction documents and specifications.
• Perform system sizing calculations and equipment selections.
• Coordinate with other design disciplines and review 3D models.
• Support construction teams with RFIs and shop drawing reviews.
• Lead and mentor junior engineers.

Skills

HVAC design

Piping systems

Building energy modeling

Project leadership

Mentoring junior engineers

Communication skills

Education

Bachelor’s degree in mechanical or architectural engineering

Tools

Trane Trace 700

Carrier HAP

Job description

Position Overview

We are seeking several Building Mechanical Engineers to perform design engineering for a variety of industrial buildings/facilities across multiple market sectors, due to a large backlog of work and continued growth, growth in our Industrial and Transportation sectors. These positions are ideal for an experienced design engineer with a strong background in HVAC, piping, ventilation and plumbing systems, particularly in high-reliability, mission-critical environments, interested in working on fast paced EPC projects with diverse engineering and construction teams. Building types could include Federal Buildings, administration/office buildings, nuclear buildings, data centers/server rooms, battery storage, warehouses, distribution facilities, wastewater and water treatment facilities, hospitals, industrial process buildings, and transportation facilities such as bus/train stations, airport terminals and rail and maintenance facilities. You will be designing and managing fast paced MEP designs for a diverse portfolio of projects, including coordination and collaboration with in-house project engineers and contractors to successfully execute building estimates, conceptual designs, and construction documents and administration. ENR ranks us #4 in the top 100 GC's in North America. We excel at delivering EPC projects, particularly in large scale infrastructure projects. If you are looking for a career, with stability and a diverse portfolio of EPC projects to work on and want to work on hyperscale projects, look no further! We are an employee-owned company which fosters dedication and commitment to project success and are positioned as a key player in meeting growing infrastructure demands.

District Overview

Kiewit Architectural & Engineering (A&E) delivers fully integrated design and engineering solutions for some of North America’s most complex and high visibility infrastructure and building programs. Working hand‑in‑hand with Kiewit’s construction operations, the district provides coordinated design‑build and EPC execution that reduces risk, accelerates delivery, and drives innovative, cost‑effective outcomes. Powered by a multidisciplinary team of architects, engineers, and designers, KAE focuses on creating high-performance, resilient facilities across key growth markets including Federal, Aviation, Mission Critical, Healthcare, Sports & Entertainment, and Commercial Buildings. The team supports sophisticated projects in sectors such as government, nuclear, transportation/transit and education—delivering scalable, forward‑looking solutions tailored to each client’s operational, regulatory, and long‑term needs.

Location

For mid-career and Senior, this role can be based in any of the following offices: Lenexa Kansas office, Houston Texas office, or Lone Tree Colorado.

We will consider individuals with 15+ years’ of Building Mechanical experience with EPC experience, in one or more of our market sectors for our Manhattan NY, Woodcliff Lake NJ, and Dallas/Fort Worth locations that have experience leading projects and teams, with PE licensure.

We offer relocation assistance to the Lenexa/Kansas City area (our Industrial headquarters) only.

Responsibilities

• Design and layout of mechanical systems/equipment for different types of buildings, including HVAC systems, mechanical rooms, equipment pads, filtration, ductwork, ventilation systems. Deliverables will include load calculations, sizing of equipment, review of specifications, building floor plans and details, equipment schedules, temp controls, ventilation calculations, duct work, air handling and pipe sizing. Will review/approve 3D models, and support the procurement process, with development of bid packages, and vendor review/selection.
• Develop cost-effective mechanical designs that meet stringent reliability and safety standards.
• Create construction documents, drawings, and specifications for HVAC, piping, and plumbing systems.
• Perform system sizing calculations and equipment selection, including chilled water, hydronic heating, steam, and air-side systems.
• Apply industry codes and standards including ASHRAE, NFPA, NRC, and DOE regulations.
• Coordinate with other design disciplines in a collaborative team environment.
• Conduct quality checks to ensure deliverables meet contract and project requirements.
• Support construction teams by responding to RFIs, reviewing shop drawings, and assisting with project completion and turnover.
• Participate in site visits to review installations and develop punch lists.
• Mentor junior engineers and lead support engineers in completing design work.

Qualifications

• Bachelor’s degree in mechanical or architectural engineering.
• 7+ years of experience in Building design, performing design functions as outlined above for Houston, Kansas and Colorado locations. 15+ years’ experience required for Dallas, Fort worth, Woodcliff Lake NJ or Manhattan NY.
• PE license is a plus. (For individuals looking for more Sr/Lead roles, must have licensure).
• Experience with HVAC systems including chilled water, dehumidification, hydronic heating, steam, and gas piping.
• Proficient in HVAC load modeling, psychrometric analysis, ductwork and pipe sizing.
• Must have experience using building modeling software such as Trane Trace 700 or Carrier HAP.
• Strong understanding of mechanical systems in high-reliability environments (e.g., N+1, 2N redundancy, cleanroom standards, radiation shielding).
• Proficient in Microsoft Office and design documentation tools.
• Skilled in reading and developing design drawings and writing specifications.
• Familiar with ASHRAE Standards and applicable mechanical/plumbing codes.
• High degree of self-motivation and ability to lead and inspire others.
• Strong written and verbal communication skills.
• Experience leading teams and projects, which includes budget/schedule/scope management is required for more Senior Engineers.

Other Requirements

• Regular, reliable attendance
• Work productively and meet deadlines timely
• Communicate and interact effectively and professionally with supervisors, employees, and others individually or in a team environment
• Perform work safely and effectively. Understand and follow oral and written instructions, including warning signs, equipment use, and other policies.
• Work during normal operating hours to organize and complete work within given deadlines. Work overtime and weekends as required.

Base Compensation

Base Compensation: $100,000/yr - $160,000

(Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location)

Posting Period

This posting will be active from: 07/23/2026 - 09/01/2026

Benefits

We offer our fulltime staff employees a comprehensive benefits package that’s among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.

Equal Opportunity Employer

Equal Opportunity Employer, including disability and protected veteran status.