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Embedded Systems Engineer

Job in Falls Church, Fairfax County, Virginia, 22042, USA
Listing for: Kastle Systems International, LLC
Full Time position
Listed on 2026-05-12
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

Overview

The property technology space is growing rapidly, and Kastle is leading the way. We are the leader in managed security, with a track record of introducing innovative technologies to serve over 460M square feet of real estate globally. Clients span the commercial and multifamily real estate, education, and construction industries and the customers they serve. Delivering a world class customer experience drives everything we do, and Kastle’s mission is to be our customers’ best service provider and to ensure that their security is the most effective, efficient, and convenient.

Our integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers, and tenants. We’re looking for an Embedded Software Engineer to join our team in Falls Church, VA and help us grow our product offerings.

In addition to a great work environment, we provide excellent benefits (Medical/Dental/Vision, 401K, Tuition/Training Assistance, Bright Horizons Lifestyle Assistance, Wellness Program, etc.). We are proud to be a Certified Great Place to Work with awards for being a Top Work Place with Top DE&I Practices! For more information, please visit Kastle Careers.

Responsibilities
  • Design, program, and write programs that run on IoT Linux (Headless) environments. Programs are written in a variety of languages, including C/C++, Python and shell scripting.
  • Design, program, and integrate 32‑bit microcontrollers (written in C/C++) and peripherals based on user requirements.
  • Tailor Open Source embedded RTOS environments (such as FreeRTOS and/or Zephyr) to suit the needs of the project.
  • Track issue progress in corporate issue tracking system (Confluence Cloud).
  • Collaborate on and thoroughly document design decisions.
  • Support field deployments of microcontrollers and peripherals. Diagnose faults and propose solutions to management.
  • Work with QA to ensure adequate test coverage exists for projects. Develop test harnesses as needed to facilitate testing of individual hardware components.
  • Troubleshooting, debugging, maintaining, and improving existing software and hardware.
  • Develop technical documentation to aid in support and future development.
Qualifications
  • Bachelors degree in Computer Science, Computer Engineering, Electrical Engineering, or similar degree that provides a solid foundation in computer programming.
  • 5+ years’ experience with IoT flavors of Linux (GUI-less).
  • 3+ years’ experience with C++ in an embedded RTOS environment.
  • 2+ years’ experience with peripheral integration via various protocols (UART, SPI, I2C, GPIO).
  • 2+ years’ experience in coding for serial/streaming protocols.
  • Excellent written and verbal communication skills.
Company Overview

The property technology space is growing rapidly, and Kastle is leading the way. Kastle is the leader in managed security, with a track record of introducing innovative technologies to serve over 460M square feet of real estate globally. Clients span the commercial and multifamily real estate, education, and construction industries and the customers they serve. Delivering a world class customer experience drives everything we do, and Kastle’s mission is to be our customers’ best service provider and to ensure that their security the most effective, efficient and convenient.

Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.

Equal Opportunity Statement

At Kastle, we believe that diversity makes us stronger – at work and in the world. Kastle Systems International, LLC is an Equal Opportunity / Affiantive Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, marital status, pregnancy or any other basis protected by applicable federal or state laws.

For more information, please visit Kastle Careers.

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