Senior Principal Embedded Software Security Engineer (hybrid)

Johnson Controls
Westford, MA

Our global Fire Detection product group located in Westford, MA, USA offers you the possibility to interact with other development centers and teams around the world! The opportunities for professional development and career opportunities are endless, given our broad portfolio of products and services within Fire Detection. Work/life balance is important to us, and we offer a flexible hybrid work model. You will also get exposure to leading edge technology, exciting projects, and life-saving products that promote global safety of not only facilities, but people. We need your talent and ideas, as we continue to grow and expand our strategic focus and build state-of-the-art fire detection systems.

What you will do

Johnson Controls is searching for a Senior Principal Embedded Software Security Engineer to be located at the R&D facility in Westford, MA. In this role you will work with a global team of software engineers supporting our embedded software applications for the Fire Detection business at Johnson Controls. Our fire detection products are installed in buildings you visit every day! This is an opportunity to analyze, design, program, debug, modify, test, and implement software used in Fire Alarm Systems. Our products protect life and property.

This role requires an expert to design, implement, and maintain security across the full lifecycle of embedded products. This role focuses on secure firmware, device-level security, and protection of connected embedded systems against cyber threats. The ideal candidate has strong hands-on experience in embedded software development combined with applied cybersecurity, including secure boot, cryptography, firmware protection, and secure communication protocols.

How you will do it

  • Interface with customers, tech support, NPI teams and organizations around the world

  • Continuously strive to hone your skill set in the latest tools and software solutions

  • Enhance, Design, prototype, and develop high quality embedded software for fire alarm systems

  • Knowledge in multithread, multi-process, and real-time application development

What we look for:

Required

  • Bachelor's degree in electrical or software engineering and/or Computer Science with 5+ years of experience in embedded software development

  • Mastering of "C" programming language (Linux application development)

  • Experience in Linux kernel development (drivers and device trees)

  • Experience with low level bootloaders (e.g. U-Boot) and secure boot process

  • Experience using Yocto and BitBake build environment with scripting languages (e.g., Bash, Make, Python)

  • Experience with security scanning tools

  • Experience with tools: Git, JIRA

  • Experience with CVE analysis and mitigation

Preferred

  • Experience SOC and board bring-up.

  • Experience working with UART, I2C, SPI, DRAM, eMMC and MIPI-DSI interfaces

  • Ability to use debugging tools (JTAG) and equipment such as oscilloscopes and logic analyzers.

  • Exposure to ARM architectures and Network protocols

  • Experience with user interface graphical library line QT, GTK, …

  • Excellent knowledge in multithread, multi-process application development

  • Experience with managed L2/L3 ethernet switches

  • Ability to plan, estimate a software project

HIRING SALARY RANGE: $120,000 - $170,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This role offers a competitive Bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at

Posted 2026-02-02

Recommended Jobs

Licensed Clinical Addiction Specialist

Elwyn
New Bedford, MA

Overview: Join a Team That Changes Lives   For more than 170 years, Elwyn has been leading the way in supporting children, teens, and adults with autism, intellectual and developmental disabiliti…

View Details
Posted 2025-09-24

Software Engineering Trainee

Careerscape
Boston, MA

A prominent information technology firm is in search of a Software Engineering Trainee to become part of their innovative team. This remote internship offers the chance to engage in practical project…

View Details
Posted 2026-03-12

Heavy Equipment Operator

P.R. Russell
Massachusetts

P.R. Russell Mulch and Soil Products- Freetown Yard is more than just a company to work for and we are excited to give you a glimpse into joining our team. Our focus remains clear- to provide our cus…

View Details
Posted 2026-02-07

Dermatology Nurse Practitioner / Physician Assistant

Boston Medical Center
East Walpole, MA

Dermatology Nurse Practitioner / Physician Assistant Boston Medical Center – South 3 Washington Street, North Easton, MA Boston Medical Center – South, a member of the Boston Medical Cent…

View Details
Posted 2026-03-17

Housekeeper

Boca Recovery Center
Springfield, MA

Housekeeper Company Website Location:  On Site - Springfield MA Department:  Operations Reports to:  Director of Operations (DOO) Salary:  Competitive, based on experience and qualifica…

View Details
Posted 2025-08-08

Autonomous Vehicle Software Engineer

Aurora Flight Sciences
Cambridge, MA

Position Overview At Aurora Flight Sciences, we design, build, and fly advanced aircraft and enabling technologies from concept to reality. We are searching for a talented and self-motivated Auto…

View Details
Posted 2026-02-23

Senior National Account Manager, Costco and BJs

Magic Spoon
Marlborough, MA

Magic Spoon reimagines your childhood breakfasts favorites with more protein, less sugar, and more fun. Since launching in 2019, we've brought our unbelievably tasty cereal to over one million custom…

View Details
Posted 2026-02-02

Physical Therapist Outpatient

SGS Consulting
Massachusetts

Job Responsibilities: ~ Min 1 year Experience as Physical Therapist Outpatient ; Skills: ~ Active Physical Therapist Outpatient certification need ; Education/Experience: ~ BLS , Co…

View Details
Posted 2025-12-11

Toddler Teacher

Magical Beginnings
Medford, MA

Job Description Job Description Toddler Teacher (Daycare / Preschool / Childcare) –  Medford, MA   Magical Beginnings is urgently hiring a nurturing and energetic Toddler Teacher for our li…

View Details
Posted 2026-03-17