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Building Systems Engineering Jobs in St Louis, MO

Building Engineer

Saint Louis, MO

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at ... You'll manage complex building systems, respond to emerging issues, and ensure our facilities meet ...

Building Engineer

Saint Louis, MO · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at ... You'll manage complex building systems, respond to emerging issues, and ensure our facilities meet ...

Facilities Engineer

Saint Louis, MO

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at ... You'll manage complex building systems, respond to emerging issues, and ensure our facilities meet ...

Building Engineer

Saint Louis, MO · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at ... You'll manage complex building systems, respond to emerging issues, and ensure our facilities meet ...

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Showing results 1-20

Building Systems Engineering information

See St Louis, MO salary details

$58.8K

$138.1K

$190.6K

How much do building systems engineering jobs pay per year?

As of Aug 15, 2026, the average yearly pay for building systems engineering in St. Louis, MO is $138,124.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,800.00 and $168,200.00 per year, depending on experience, location, and employer.

What are some common challenges faced by building systems engineers when working on retrofit projects in existing structures?

Building Systems Engineers often encounter unique challenges during retrofit projects, such as integrating modern systems with outdated infrastructure and ensuring compliance with current codes. Limited access to existing mechanical, electrical, or plumbing systems can complicate upgrades, requiring creative problem-solving and collaboration with architects and contractors. Additionally, balancing energy efficiency improvements with budget constraints and minimizing disruptions to occupants are key considerations that demand both technical expertise and strong communication skills.

What is building systems engineering?

Building Systems Engineering is a multidisciplinary field focused on the design, integration, operation, and maintenance of a building’s essential systems, such as HVAC (heating, ventilation, and air conditioning), electrical, plumbing, and fire protection. Engineers in this field ensure that these systems work together efficiently to provide comfort, safety, sustainability, and functionality within buildings. They collaborate closely with architects and construction professionals to meet regulatory standards and optimize building performance. Building Systems Engineers play a key role in improving energy efficiency and supporting green building initiatives.

What are the key skills and qualifications needed to thrive as a building systems engineer?

To thrive as a Building Systems Engineer, you need a solid background in mechanical, electrical, or civil engineering, often supported by a relevant engineering degree and professional certification (such as PE or EIT). Familiarity with building automation systems, HVAC, AutoCAD, and energy management software is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills enable you to collaborate with diverse stakeholders and ensure system reliability. These competencies are crucial for designing, maintaining, and optimizing safe, efficient building environments.

What is the difference between Building Systems Engineering vs Mechanical Engineering?

AspectBuilding Systems EngineeringMechanical Engineering
CredentialsBachelor's in Engineering, PE license often preferredBachelor's in Mechanical Engineering, PE license common
Work EnvironmentDesigning and managing building systems like HVAC, plumbing, electricalDesigning mechanical devices, engines, manufacturing systems
Industry UsageConstruction, building design, facilities managementManufacturing, automotive, aerospace, energy

Building Systems Engineering focuses on designing and maintaining building infrastructure systems, while Mechanical Engineering covers a broader range of mechanical devices and systems across various industries. Both roles require similar credentials and often work within the construction and manufacturing sectors, but their specific applications differ significantly.

What are popular job titles related to Building Systems Engineering jobs in St. Louis, MO?

For Building Systems Engineering jobs in St. Louis, MO, the most frequently searched job titles are:

What job categories do people searching Building Systems Engineering jobs in St. Louis, MO look for?

The top searched job categories for Building Systems Engineering jobs in St. Louis, MO are:

Building Engineer

JLL

Saint Louis, MO

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 2 days ago


JLL rating

8.3

Company rating: 8.3 out of 10

Based on 288 frontline employees who took The Breakroom Quiz

46th of 203 rated real estate companies


Job description

JLL empowers you to shape a brighter way.

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented peopleand empowering them tothrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

SHIFT: SUNDAY - THURSDAY 7:30AM-3:30PM

What this job involves:

As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at peak performance. This position centers on operating, maintaining, troubleshooting, and repairing facility equipment across all building systems. At JLL, we are collectively shaping a brighter way for our clients, ourselves, and our fellow employees, and your technical skills will be essential to delivering the reliable, high-quality facility operations our clients depend on. You'll manage complex building systems, respond to emerging issues, and ensure our facilities meet and exceed applicable standards while our clients' operations continue seamlessly.

What your day-to-day will look like:
  • Operate, maintain, and repair Mechanical, Plumbing, Structural, Furniture, Fire, Life Safety, and Control systems to keep all facility and building systems performing to applicable standards

  • Perform preventative maintenance on HVAC systems and associated equipment, including cleaning, inspecting, calibrating, and replacing parts to maintain optimum performance levels

  • Record equipment readings and system parameters, making necessary adjustments to ensure proper operation and identifying potential issues before they escalate

  • Monitor the quality and pricing of maintenance work performed by outside contractors to ensure standards are met and costs remain competitive

  • Maintain responsibility for facility services, purchasing and inventory control, contracted maintenance coordination, and general maintenance tasks

  • Perform periodic checks of tool and instrument inventory to ensure all equipment is available, properly maintained, and ready for use

  • Troubleshoot and repair lighting systems, including ballast replacement throughout the facility

  • Perform maintenance and repairs on plumbing fixtures including toilets, urinals, and hand wash stations, and operate drain cleaning augers to resolve blockages

  • Comply with departmental policies for safe storage, usage, and disposal of hazardous materials while maintaining a clean and safe workplace at all times

Required qualifications:
  • 5+ years of experience maintaining and repairing commercial building systems

  • Ability to analyze the operation of various industrial Mechanical, Electrical, Plumbing, and HVAC systems, determine the cause of problems or malfunctions, and take corrective action

  • Working knowledge of CMMS (i.e. Corrigo)

  • High school diploma or GED equivalent

  • Physical ability to bend, sit, kneel, squat, stand, reach, and lay as required to access equipment components for extended periods of time

  • Ability to work exposed to varying environmental conditions including heat, sunlight, rain, cold, and both daylight and nighttime hours

Preferred qualifications:
  • EPA 608 Type II Certification or higher for refrigerant handling

  • Additional EPA certifications (Universal certification preferred)

  • Experience with Building Automation Systems (BAS) and computerized maintenance management systems (CMMS)

  • Trade certifications or technical school training in HVAC, Electrical, or Plumbing disciplines

  • Experience working in mission-critical facilities or environments requiring 24/7 operations

SHIFT: SUNDAY - THURSDAY 7:30AM-3:30PM

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

Location:

On-site -St. Louis, MO

If this job description resonates with you, we encourage you to apply, even if you don't meet all the requirements. We're interested in getting to know you and what you bring to the table!


Personalized benefits that support personal well-being and growth:

JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include:

  • 401(k) plan with matching company contributions

  • Comprehensive Medical, Dental & Vision Care

  • Paid parental leave at 100% of salary

  • Paid Time Off and Company Holidays

  • Early access to earned wages through Daily Pay

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you'repursuing.

JLL Privacy Notice

Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL's recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.

For more information about how JLL processes your personal data, please view our Candidate Privacy Statement.

For additional details please see our career site pages for each country.

For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

Jones Lang LaSalle ("JLL") is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process - including the online application and/or overall selection process - you may email us at HRSCLeaves@jll.com. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.

Accepting applications on an ongoing basis until candidate identified.


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