Firmware Engineering Intern at Johnson Controls in Milwaukee, WI | USD21-24 | Kablio

Role

Description

cross‑functional

test scripts

documentation

engineering testing

firmware development

process improvement

Collaborate with cross-functional teams including hardware, software, and systems engineering
Write and maintain test scripts and validation tools for embedded systems
Support documentation efforts for firmware architecture, test procedures, and engineering reports
Participate in engineering-level testing of HVAC field devices and embedded platforms
Assist in developing and debugging embedded firmware for HVAC sensors, actuators, and control modules
Contribute to continuous improvement initiatives in embedded development processes

Requirements

engineering degree

python

git

c/c++

rtos

bacnet

Highly organized with strong communication skills
Pursuing a degree in Electrical Engineering, Computer Engineering, Software Engineering, or related field
Proficiency in Microsoft Office tools (Excel, PowerPoint, Word)
Self-motivated and adaptable to changing priorities
Ideal candidate is a Freshman or Sophomore seeking long-term internship experience
Understanding of embedded debugging tools (e.g., JTAG, SWD, oscilloscopes)
Exposure to HVAC systems and building automation technologies
Located in the greater Milwaukee area and available to work full time during the summer and at least 20 hours/week during the semester and full-time during breaks
U.S. citizen or legally authorized to work in the U.S.
Familiarity with real-time operating systems (RTOS) and low-power embedded design
Knowledge of scripting languages like Python for test automation
Comfortable working with version control systems like Git
Strong programming skills in C/C++ for embedded systems
Familiarity with microcontroller platforms (e.g., ARM Cortex-M, STM32)
Experience with BACnet, Modbus, or other field communication protocols

Benefits

This is a year-round internship with high expectations.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

1885

Year Founded

Pioneered the electric thermostat and launched the building controls industry.

2016

Year of Merger

Merged with Tyco International, expanding into fire protection and security.

$26.8B

Annual Revenue

Generates revenue across four global business segments.

Record Backlog

Project Demand

Maintains a strong backlog of digital and infrastructure projects.

Pioneered the electric thermostat, launching the building controls industry.
Evolved into a global leader in smart building systems through over a century of innovation.
Typical projects range from HVAC installations to integrated smart systems in hospitals, airports, stadiums, and data centers using their OpenBlue digital platform.
Expertise covers HVAC, fire detection and suppression, security systems, energy management, and facility services.
Earned LEED Platinum certification for its North American headquarters and supplied smart systems to landmarks like Burj Khalifa and Taipei 101.

Culture + Values

N/A – Johnson Controls does not publish an official list of culture or values under standardized headings on its public website or LinkedIn.

Environment + Sustainability

43.8% reduction

Emissions reduction

Reduced Scope 1 & 2 emissions by 43.8% since 2017 toward a 55% target by 2030.

56% reduction

GHG intensity

Achieved a 56% reduction in GHG intensity since 2017.

56% renewables

Global electricity

56% of global electricity was matched by renewables in 2024.

25% sites landfill-free

Manufacturing sites

23 manufacturing sites (25%) achieved zero-landfill in 2024.

Inclusion & Diversity

Double women leaders by 2026

Global Leadership Diversity Target

Aim to double women leaders globally and minority leaders in the U.S. within five years, initiative launched in 2021.

>100k global workforce

Community Volunteering Impact

Engaged global workforce of over 100,000 across 150+ countries, contributing over 61,000 volunteer hours in 2023.

Includes diversity targets in senior leaders’ performance metrics tied to compensation.
Partnerships with HBCUs to develop next-gen sustainable building leaders through scholarships and education initiatives.
Increased spend with women- and minority-owned businesses as part of supplier sustainability and inclusion goals.

Articles

Media Contact

Privacy and Trust Center

Investor & Media Contacts (SEC filing)

Role

Description

cross‑functional

test scripts

documentation

engineering testing

firmware development

process improvement

Collaborate with cross-functional teams including hardware, software, and systems engineering
Write and maintain test scripts and validation tools for embedded systems
Support documentation efforts for firmware architecture, test procedures, and engineering reports
Participate in engineering-level testing of HVAC field devices and embedded platforms
Assist in developing and debugging embedded firmware for HVAC sensors, actuators, and control modules
Contribute to continuous improvement initiatives in embedded development processes

Requirements

engineering degree

python

git

c/c++

rtos

bacnet

Highly organized with strong communication skills
Pursuing a degree in Electrical Engineering, Computer Engineering, Software Engineering, or related field
Proficiency in Microsoft Office tools (Excel, PowerPoint, Word)
Self-motivated and adaptable to changing priorities
Ideal candidate is a Freshman or Sophomore seeking long-term internship experience
Understanding of embedded debugging tools (e.g., JTAG, SWD, oscilloscopes)
Exposure to HVAC systems and building automation technologies
Located in the greater Milwaukee area and available to work full time during the summer and at least 20 hours/week during the semester and full-time during breaks
U.S. citizen or legally authorized to work in the U.S.
Familiarity with real-time operating systems (RTOS) and low-power embedded design
Knowledge of scripting languages like Python for test automation
Comfortable working with version control systems like Git
Strong programming skills in C/C++ for embedded systems
Familiarity with microcontroller platforms (e.g., ARM Cortex-M, STM32)
Experience with BACnet, Modbus, or other field communication protocols

Benefits

This is a year-round internship with high expectations.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

1885

Year Founded

Pioneered the electric thermostat and launched the building controls industry.

2016

Year of Merger

Merged with Tyco International, expanding into fire protection and security.

$26.8B

Annual Revenue

Generates revenue across four global business segments.

Record Backlog

Project Demand

Maintains a strong backlog of digital and infrastructure projects.

Pioneered the electric thermostat, launching the building controls industry.
Evolved into a global leader in smart building systems through over a century of innovation.
Typical projects range from HVAC installations to integrated smart systems in hospitals, airports, stadiums, and data centers using their OpenBlue digital platform.
Expertise covers HVAC, fire detection and suppression, security systems, energy management, and facility services.
Earned LEED Platinum certification for its North American headquarters and supplied smart systems to landmarks like Burj Khalifa and Taipei 101.

Culture + Values

N/A – Johnson Controls does not publish an official list of culture or values under standardized headings on its public website or LinkedIn.

Environment + Sustainability

43.8% reduction

Emissions reduction

Reduced Scope 1 & 2 emissions by 43.8% since 2017 toward a 55% target by 2030.

56% reduction

GHG intensity

Achieved a 56% reduction in GHG intensity since 2017.

56% renewables

Global electricity

56% of global electricity was matched by renewables in 2024.

25% sites landfill-free

Manufacturing sites

23 manufacturing sites (25%) achieved zero-landfill in 2024.

Inclusion & Diversity

Double women leaders by 2026

Global Leadership Diversity Target

Aim to double women leaders globally and minority leaders in the U.S. within five years, initiative launched in 2021.

>100k global workforce

Community Volunteering Impact

Engaged global workforce of over 100,000 across 150+ countries, contributing over 61,000 volunteer hours in 2023.

Includes diversity targets in senior leaders’ performance metrics tied to compensation.
Partnerships with HBCUs to develop next-gen sustainable building leaders through scholarships and education initiatives.
Increased spend with women- and minority-owned businesses as part of supplier sustainability and inclusion goals.

Articles

Media Contact

Privacy and Trust Center

Investor & Media Contacts (SEC filing)