Mechanical Engineer - MEP/HVAC

Kiewit; Lenexa (KS); On-site; USD 100,000 - 160,000; Full time

Benefits offered by this job

Comprehensive benefits package

Life insurance

Retirement plans with matching

Generous paid time off

Job summary

Kiewit Building Mechanical Engineers are sought to design and layout mechanical systems for a variety of industrial buildings across multiple market sectors. The role focuses on HVAC, piping, ventilation and plumbing in high-reliability environments, supporting fast-paced EPC projects with multidisciplinary teams.

Based in Lenexa, KS or other cities, candidates bring 7+ years of experience in building design; a PE is a plus for senior roles.

Qualifications

• Bachelor’s degree in mechanical or architectural engineering.
• 7+ years of building design experience; 15+ years for certain remote locations.
• PE license is a plus; for senior roles licensure may be required.
• 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.
• Experience with building modeling software such as Trane Trace 700 or Carrier HAP.

Responsibilities

• Design and layout of mechanical systems for buildings, including HVAC and plumbing.
• Prepare load calculations, equipment sizing, and construction documents.
• Develop bid packages and support procurement.
• Perform system sizing calculations for various systems.
• Coordinate with other design disciplines.
• Mentor junior engineers and lead teams.

Skills

HVAC systems

Load calculations

Piping and plumbing

Team leadership

Project coordination

Education

Bachelor’s degree in mechanical or architectural engineering

Tools

Trane Trace 700

Carrier HAP

Microsoft Office

Job description

Requisition ID: 181118
Job Level: Mid Level
Home District/Group: Kiewit Industrial & Water Engineering
Department: Design Engineering
Market: Industrial
Employment Type: Full Time

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

We will consider individuals with 15+ years’ 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, and may consider remote candidates that are uniquely qualified for this role.

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 remote locations.
• 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: $100,000/yr - $160,000

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

This posting will be active from: 07/31/2026 - 08/08/2026

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, including disability and protected veteran status.