Senior Software Engineer

Who we are DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at  www.digicert.com   Job summary As a Senior Software Engineer on the TrustCore team, you will design, develop, and maintain security protocol software in C for embedded and resource-constrained platforms. You will help deliver reliable, high-performance security capabilities across networking and cryptographic protocols while mentoring junior engineers and supporting design, testing, and customer issue resolution.   What you will do Development and Maintenance of security software (TrustCore SDK) for embedded platforms Participate in the development of new features from conceptualization to design and implementation Analysis and troubleshooting of defects found in testing Take part in design reviews, generate and update detailed design documents  Researching customer issues, providing input and development to problems/issues Estimate task timelines, development activities and meet schedules Mentor junior engineers by providing technical guidance, supporting code reviews, sharing best practices, and helping them grow their skills Other duties as assigned   What you will have Bachelor’s degree in computer science or in a related field of computer networking and security, from an accredited university or equivalent 5+ years of industry work experience in the software development Strong C language and multi-threaded programming skills Good technical writing and communication skills In-depth knowledge of Data Structures & Algorithms  In-depth knowledge of Network security protocol stack internals including TCP, UDP, SSL, SSH, IPsec and Wireless Development experience with Enterprise OSes (Linux, Windows, MacOS) and RTOS platforms (Zephyr, FreeRTOS, QNX) beneficial Understanding of secure coding standards Experience with object-oriented design, coding, and unit testing Flexible and willing to learn/work on new technologies Ability to work well in a team and good problem-solving skills