Senior Development Support Engineer

ASSA ABLOY • Cypress, CA

4d • $91,000 - $110,000 • Onsite

About The Position

The Senior Development Support Engineer serves as a technical resource for Mercury/HID OEM partners by providing advanced development and product support. This role works closely with development teams, partner technical support organizations, and customers to diagnose complex issues, facilitate successful integrations, and improve the overall customer experience. The position requires strong troubleshooting skills across hardware, software, networking, and API technologies. The engineer also contributes to continuous improvement initiatives and supports product adoption through technical guidance, demonstrations, and workshops.

Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field, or an equivalent combination of education and experience.
• Ability to work effectively with remote teams and individuals across multiple time zones and countries.
• Programming experience with C/C++, C#, and/or Rust.
• Experience with web technologies and protocols including HTTP, HTML, RESTful APIs, JSON, XML, and MQTT.
• Experience deploying and supporting applications in Linux and Windows environments.
• Strong understanding of TCP/IP networking concepts, including TCP, UDP, and HTTPS protocols.
• Experience using diagnostic and troubleshooting tools such as Wireshark, Postman, and curl.
• Knowledge of serial communication protocols such as RS-232 and RS-485.
• Understanding of SSL/TLS digital certificates.
• Strong verbal and written English communication skills.
• Ability to create technical documentation, procedures, specifications, and presentations.
• Proficiency with Microsoft Office applications including Word, Excel, and PowerPoint.
• Familiarity with Windows and Linux operating systems.

Nice To Haves

• Experience with physical access control products and solutions is preferred.
• Experience working with Mercury controllers and HID technologies is preferred.
• Experience using Jira for issue tracking and project collaboration is preferred.
• Prior experience in a customer-facing technical support or development support role is preferred.
• Knowledge of security systems integration and deployment best practices is preferred.

Responsibilities

• Providing second-level support for technical inquiries related to Mercury and HID products.
• Assisting developers with integration and implementation of APIs and related technologies.
• Troubleshooting hardware, software, networking, and serial communication issues.
• Replicating customer-reported issues to identify root causes and support resolution efforts.
• Logging and documenting defects accurately for engineering review and corrective action.
• Interfacing directly with partners and customers to understand technical requirements and challenges.
• Collaborating with engineering and quality teams to resolve product and integration issues.
• Educating partners on best practices for deployment, implementation, and integration.
• Participating in planning events, workshops, technical training sessions, and product demonstrations.
• Driving and supporting continuous improvement initiatives across support and engineering functions.
• Building and maintaining strong working relationships with customers, partners, and internal stakeholders.
• Contributing technical expertise to product enhancement discussions and support processes.
• Assisting in knowledge-sharing activities and development of technical documentation.

Benefits

• Competitive salary and rewards package
• Competitive benefits and annual leave offering, allowing for work-life balance
• Extensive career development opportunities and resources to maximize your potential
• To be a part of a global organization that is pioneering the hardware, software and services that allow people to confidently navigate the physical and digital worlds

What This Job Offers

• Job Type: Full-time
• Career Level: Senior