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Assistant Building Engineer Jobs in Brookfield, IL

CNA

Principal AI Engineer

Chicago, IL · On-site

... 's AI-native agentic engineering platform. This role operates at the intersection of AI systems engineering, developer experience, and software delivery - building the foundational platform ...

ESPO Corporation

Be Seen First

Office Services Technician - 26-00595

Chicago, IL · On-site

$22 - $29/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Communicate to building maintenance contacts, office assistant, building management on office needs ... Company Description ESPO Engineering, established in 1965, is a premier Technical Recruiting and ...

LERCH BATES

Associate Building Envelope Consultant

Chicago, IL · On-site

$75K - $91K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Perform or assist with building envelope field testing including ASTM E783, ASTM E1105, AAMA 501.2, ... Bachelor's degree in Civil Engineering, Structural Engineering, Construction Management ...

HDR

Area Electrical Business Class Lead

Chicago, IL

$164K - $172K/yr

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Function as design lead or engineering project manager for key projects. * Assist in the ...

HDR

Area Mechanical Business Class Lead

Chicago, IL

$113K - $137K/yr

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Function as design lead or engineering project manager for key projects. * Assist in the ...

CNA

Senior Data AI Engineer

Chicago, IL · On-site

$109K - $148K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Senior Data/AI Engineer is an individual contributor role responsible for designing, building, and ...

HDR

Area Mechanical Business Class Lead

Chicago, IL · On-site

$113K - $137K/yr

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Function as design lead or engineering project manager for key projects. * Assist in the ...

CNA

Senior Data AI Engineer

Chicago, IL · On-site

$109K - $148K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Senior Data/AI Engineer is an individual contributor role responsible for designing, building, and ...

HDR

Area Electrical Business Class Lead

Chicago, IL · On-site

$164K - $172K/yr

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Function as design lead or engineering project manager for key projects. * Assist in the ...

CNA

Senior Data AI Engineer

Chicago, IL · On-site

$118K - $141K/yr

... building, and operationalizing end-to-end AI and machine learning solutions that accelerate CNA's ... The engineer works across structured and unstructured data domains - including documents, images ...

CNA

Senior AI Software Engineer

Chicago, IL · On-site

$72K - $141K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Individual contributor responsible for designing, building, and operationalizing AI-driven ...

Cna

Senior AI Software Engineer

Chicago, IL · Hybrid

$72K - $141K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Individual contributor responsible for designing, building, and operationalizing AI-driven ...

CNA

Senior AI Software Engineer

Chicago, IL · On-site

$72K - $141K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Individual contributor responsible for designing, building, and operationalizing AI-driven ...

HDR

Structural EIT/Coordinator

Chicago, IL

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Work independently on small projects or assist more senior engineers on larger projects * Give ...

HDR

Structural EIT/Coordinator

Chicago, IL · On-site

As part of HDR's Building Engineering Services Group, you'll help design the critical ... Work independently on small projects or assist more senior engineers on larger projects * Give ...

Cna

Senior AI Software Engineer

Chicago, IL

$126K - $166K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Direct experience building oroperatingan Internal Developer Platform (Harness IDP, Backstage, Port ...

Ware Malcomb

Senior Electrical Engineer

Chicago, IL · On-site

$130K - $160K/yr

... building engineering solutions to diverse clients. You will lead, coordinate, and provide ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

CNA

Senior AI Engineer - Guidewire

Chicago, IL · On-site

$126K - $166K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something ... Guide teams in building production-grade applications using modern engineering principles ...

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All JobsBuilding Engineer JobsAssistant Building Engineer JobsAssistant Building Engineer Jobs in Brookfield, IL

Assistant Building Engineer information

See Brookfield, IL salary details

$33.1K

$89K

$134.9K

How much do assistant building engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for assistant building engineer in Brookfield, IL is $89,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,700.00 and $104,800.00 per year, depending on experience, location, and employer.

What does an assistant building engineer do?

An Assistant Building Engineer supports the maintenance and operation of building systems such as HVAC, electrical, plumbing, and safety systems. They assist in performing routine inspections, troubleshooting equipment issues, and conducting repairs under the supervision of senior engineers. Their responsibilities also include maintaining logs, responding to service requests, and ensuring that the building meets safety and efficiency standards. This role often involves working closely with other maintenance staff and building management to ensure smooth facility operations.

What are some common challenges faced by assistant building engineers, and how can they effectively address them?

Assistant Building Engineers often encounter challenges such as troubleshooting unexpected equipment malfunctions, managing time-sensitive repairs, and coordinating with various vendors or contractors. To address these, it's important to develop strong problem-solving skills, stay up to date with building systems and safety protocols, and communicate clearly with both the engineering team and building occupants. Proactively scheduling preventive maintenance and building good working relationships with senior engineers can also help manage these challenges efficiently.

What are the key skills and qualifications needed to thrive as an assistant building engineer, and why are they important?

To thrive as an Assistant Building Engineer, you need a basic understanding of building systems (HVAC, electrical, plumbing), maintenance procedures, and often a high school diploma or technical certification in a relevant field. Familiarity with building management systems (BMS), work order software, and safety regulations is typically required. Strong problem-solving abilities, attention to detail, and effective communication are important soft skills in this role. These skills ensure the efficient operation, safety, and reliability of building facilities, directly impacting occupant comfort and operational costs.

What is the difference between Assistant Building Engineer vs Building Technician?

AspectAssistant Building EngineerBuilding Technician
CertificationsHVAC, facilities management, safety certificationsHVAC, electrical, plumbing certifications
Work EnvironmentCommercial, residential, institutional buildingsBuilding systems maintenance, repair, troubleshooting
Employer & IndustryProperty management, facilities servicesMaintenance companies, building management

Assistant Building Engineers and Building Technicians often share certifications and work in similar environments. The main difference is that Assistant Building Engineers typically oversee broader building systems and assist in management tasks, while Building Technicians focus more on hands-on maintenance and repairs. Both roles are essential for building operations and often collaborate within property management teams.

How do you become a building engineer assistant?

To become a building engineer assistant, candidates typically need a high school diploma or equivalent and may pursue relevant certifications such as HVAC or electrical licenses. Gaining experience in building maintenance, understanding building systems, and developing skills in troubleshooting and safety are also important steps in preparing for this role.

How to become a building engineer assistant?

To become a building engineer assistant, candidates typically need a high school diploma or equivalent and some experience with building systems or maintenance. Relevant skills include knowledge of HVAC, electrical, and plumbing systems, and some roles may require certifications such as OSHA safety training or technical diplomas. On-the-job training is common, and strong organizational and communication skills are beneficial for supporting building operations and maintenance tasks.

What is an assistant building engineer position?

An assistant building engineer supports the maintenance and operation of building systems such as HVAC, electrical, and plumbing. They often assist licensed engineers, perform routine inspections, and may need certifications like EPA or HVAC licenses, working under the supervision of a senior engineer in commercial or institutional facilities.

What is the role of a building engineer assistant?

A building engineer assistant supports the maintenance and operation of building systems such as HVAC, electrical, plumbing, and safety equipment. They assist with inspections, repairs, and routine tasks to ensure the building functions efficiently and safely, often working under the supervision of a building engineer or facilities manager.

What cities near Brookfield, IL are hiring for Assistant Building Engineer jobs?

Cities near Brookfield, IL with the most Assistant Building Engineer job openings:

Assistant Building Engineer jobs near you
Infographic showing various Assistant Building Engineer job openings in Brookfield, IL as of August 2026, with employment types broken down into 85% Full Time, 13% Part Time, and 2% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $89,018 per year, or $42.8 per hour.

Principal AI Engineer

CNA

Chicago, IL • On-site

Full-time

Re-posted 4 days ago

Job description

You have a clear vision of where your career can go. And we have the leadership to help you get there. At CNA, we strive to create a culture in which people know they matter and are part of something important, ensuring the abilities of all employees are used to their fullest potential.
Individual contributor providing the highest level of technical leadership in the design, development, and scaling of CNA's AI-native agentic engineering platform. This role operates at the intersection of AI systems engineering, developer experience, and software delivery - building the foundational platform capabilities that enable the broad engineering organization to build, ship, and run high-quality, secure AI-native systems at the speed of AI. The focus is on designing and delivering agentic workflows, AI-augmented CI/CD pipelines, reusable skills and agent frameworks, and quality/security guardrails that make AI-accelerated delivery safe and scalable across the enterprise.
JOB DESCRIPTION:
Essential Duties & Responsibilities
Performs a combination of duties in accordance with departmental guidelines:
  • Acts as one of principal engineers for CNA's AI-native engineering platform, designing the end-to-end system spanning agentic coding workflows, skills and agent marketplaces, AI-augmented CI/CD pipelines, automated quality gates, and rapid environment provisioning. Leads integration of AI tooling (Claude Code, Cursor, GitHub Copilot) into the software delivery lifecycle, ensuring these capabilities compose into a coherent, governed platform.
  • Designs and builds the agentic infrastructure layer - including multi-agent orchestration patterns, sub-agent frameworks, skill authoring standards, and context engineering best practices - that enables engineering teams to operate at AI-native speed without sacrificing architectural integrity or security posture.
  • Provides expert technical consultation to engineering leadership, portfolio teams, and architecture on how to adopt AI-native development practices, evaluate AI-generated code quality, and integrate agentic tooling into existing workflows. Advises on trade-offs between speed and quality, human-in-the-loop requirements, and appropriate levels of AI autonomy for different risk profiles (e.g., Sox-classified systems vs. rapid prototyping).
  • Leads the technical strategy for the centralized skills and agent marketplace, defining contribution standards, review processes, and governance models that enable inner-source contribution at scale while maintaining enterprise quality and security requirements. Establishes what qualifies as a skill, an agent, and an MCP configuration at the enterprise level.
  • Acts as the senior technical resource mentoring engineers across the organization in AI-native engineering practices - including agentic coding patterns, context engineering, prompt-to-code workflows, and AI-assisted testing - raising the floor of capability so teams become self-sustaining without ongoing coaching dependency.
  • Researches, evaluates, and recommends AI engineering tools, frameworks, and infrastructure (e.g., eval platforms, agent orchestration systems, environment provisioning automation) aligned with CNA's strategic direction. Leads build-vs-buy analysis for platform capabilities such as CI/CD tooling, sandbox provisioning, and LLM evaluation infrastructure.
  • Partners closely with Architecture, Security, Cloud Engineering, and Data teams to ensure the AI engineering platform integrates with enterprise infrastructure (GCP/GKE, GitHub, JFrog Artifactory), meets regulatory and compliance requirements (AI model tracking, Sox controls), and scales to support hundreds of engineers and AI pod teams across all portfolios.

Reporting Relationship
Typically Director or above
Skills, Knowledge & Abilities
  • Expert knowledge of AI-native software engineering practices including agentic coding workflows (Claude Code, Cursor, GitHub Copilot), prompt and context engineering, multi-agent orchestration, MCP protocol, and skill/agent authoring patterns.
  • Deep understanding of the modern software delivery lifecycle with specific expertise in how AI transforms each phase - from AI-assisted requirements and design through agentic code generation, automated testing, AI-augmented code review, and continuous deployment.
  • Expert-level proficiency in building and operating CI/CD platforms (GitHub Actions or equivalent), infrastructure-as-code (Terraform), container orchestration (GKE/Kubernetes), and cloud platforms (GCP), with the ability to design pipelines that enforce quality and security gates without creating delivery bottlenecks.
  • Strong knowledge of application security engineering including supply chain security, artifact management and curation, static/dynamic analysis, secret management, and the specific attack vectors introduced by AI-generated code (dependency hallucination, model drift, prompt injection).
  • Demonstrated ability to design developer platforms and tooling that serve hundreds of engineers at varying skill levels - balancing power-user capability with guardrails that prevent misuse and maintain code quality at scale.
  • Proven ability to evaluate and integrate emerging AI technologies rapidly, with the judgment to distinguish between hype and production-ready capability. Comfortable operating in a fast-moving domain where the tooling landscape changes weekly.
  • Excellent communication skills with the ability to translate complex AI engineering concepts for both technical and non-technical audiences. Able to influence engineering culture and drive adoption of new practices across a large, diverse organization including internal teams and managed service providers.
  • Strong analytical and problem-solving skills with an outcomes-oriented mindset - focused on measurable improvements in delivery speed, code quality, and engineering productivity rather than tooling adoption metrics.

Education & Experience
  • Bachelor's Degree with Master's preferred in Computer Science, AI/ML, or related discipline, or equivalent work experience.
  • Minimum of 9 years of solid, diverse work experience in software engineering with a minimum of 6 years in application development, including significant recent experience (2+ years) building or operating AI-augmented development tools, agentic systems, or developer platforms.
  • Demonstrated hands-on experience with LLM-based engineering tools (Claude Code, Cursor, GitHub Copilot, or equivalent) in production engineering workflows, not just experimental use.
  • Experience designing and scaling inner-source or platform engineering programs across large engineering organizations preferred.
  • Applicable certifications in cloud platforms (GCP, AWS), AI/ML, or security preferred.

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In certain jurisdictions, CNA is legally required to include a reasonable estimate of the compensation for this role. In District of Columbia, California, Colorado, Connecticut, Illinois, Maryland, Massachusetts, New York and Washington, the national base pay range for this job level is $97,000 to $189,000 annually. Salary determinations are based on various factors, including but not limited to, relevant work experience, skills, certifications and location. CNA offers a comprehensive and competitive benefits package to help our employees - and their family members - achieve their physical, financial, emotional and social wellbeing goals. For a detailed look at CNA's benefits, please visit cnabenefits.com.
CNA utilizes AI-enabled technology during the recruiting process. For more information, please visit our careers page.
CNA is committed to providing reasonable accommodations to qualified individuals with disabilities in the recruitment process. To request an accommodation, please contact leaveadministration@cna.com

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