Senior Ai Security Architect Jobs

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it’s at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. We are accepting applications for this position until 10/16/2026 Position Overview: The Multifamily Division within Freddie Mac is searching for curious, motivated, and collaborative individuals to support the division's objectives, projects, and strategic initiatives. Freddie Mac Multifamily is a dynamic organization that provides interns with meaningful opportunities to gain exposure across the business while developing both technical and professional skills. As a Multifamily Business Intern, you will work on real-world projects, interact with professionals across the organization, and develop a deeper understanding of the Multifamily housing finance industry. This internship offers an opportunity to build business acumen, strengthen communication skills, and gain experience working in a mission-driven organization that supports housing affordability nationwide. Our Impact: Freddie Mac Multifamily helps deliver an ample supply of affordable rental housing by purchasing mortgages secured by apartment buildings with five or more units. We provide liquidity to the multifamily housing market by purchasing loans from lenders nationwide and securitizing them to support continued housing finance availability. Our financing supports communities across the country—from large metropolitan areas to smaller markets—and serves a diverse population of renters, including students, working families, seniors, and underserved communities. Your Impact: Engage with team members across the organization to develop a broad understandi

IoT Hardware Engineer Build the Future of Smart Connected Devices Join our growing team as an IoT Hardware Engineer and work on exciting IoT solutions that combine electronics, embedded systems, and smart technologies. We are looking for a passionate, hands-on engineer who enjoys designing, building, testing, and improving real-world connected devices. Key Responsibilities: Design, develop, and prototype IoT devices using ESP32 microcontrollers. Develop and integrate firmware, hardware components, and embedded systems. Select and evaluate sensors, actuators, communication modules, and electronic components for IoT applications. Participate in hardware design reviews and product improvement discussions. Assemble, test, and debug electronic prototypes for performance and reliability. Troubleshoot hardware and software issues using professional debugging techniques. Required Skills & Experience: ITI, Diploma in IT Hardware Engineering, Computer Engineering, Electronics, or related field (highly preferred). Strong experience in programming and working with microcontrollers, especially ESP32. Experience with embedded platforms such as ESP32, STM, and similar systems. Knowledge of sensor interfacing using I2C, SPI, UART, and other communication protocols. Excellent PCB soldering skills and experience building complex electronic prototypes. Strong understanding of electronics fundamentals including resistors, voltage levels, power management, and circuit design. Ability to use testing tools such as oscilloscopes and logic analyzers for debugging circuits. Preferred Skills: Experience with KiCad or other hardware design tools. Knowledge of low-power design techniques for battery-operated IoT devices. Understanding of power optimization and embedded system efficiency. Familiarity with Agile development methodologies. Who We’re Looking For: A creative and skilled IoT enthusiast who loves turning ideas into working hardware products. If you enjoy experimenting with e