Senior Sales Engineer – Major Accounts

Calix is a leading provider of cloud-first, AI-powered platforms for Communication Service Providers. The Sales Engineer will engage Tier 2 Major Accounts, design advanced broadband and cloud solutions, and serve as a technical advisor to clients, driving business growth and fostering long-term relationships.

Responsibilities:

• Manage assigned T2 Major Accounts to foster ongoing business relationships and support revenue growth
• Proactively identify and cultivate new opportunities within assigned accounts, expanding market reach and driving incremental revenue
• Establish long-term trusted relationships with key stakeholders, including technical staff and senior management
• Architect and deliver network and cloud solution designs leveraging a broad portfolio of technologies, using a consultative approach to align solutions with client business requirements and desired outcomes
• Lead the design and implementation of advanced solutions for customer engagement, network analytics, and operational automation, including AI-driven initiatives where applicable
• Integrate cloud SaaS offerings with customer BSS/OSS environments, ensuring seamless automation and operational efficiency
• Assist customers in configuration and testing of hardware and software platforms in lab, field trials, and production networks, guiding on technical best practices
• Deliver technical presentations and demonstrations to client technical staff and senior management, including C-level executives
• Support the preparation and response process for RFIs and RFPs
• Represent the company by sharing expertise on solutions and staying informed on industry technologies and trends; apply this knowledge to assist clients and internal teams
• Collaborate with cross-functional teams on continuous product, education, training, testing, and demonstration enhancements
• Partner closely with Sales to deliver technical sales-oriented presentations and support strategic account planning
• Contribute to the development and refinement of solution playbooks, interop guides, and best practices for T2 Major Accounts

Requirements:

• Bachelor's degree in Electrical Engineering, Computer Science, or related field (BSEE or BSCS preferred)
• Experience working with Tier 1 & 2 service providers or Open Access service providers is highly desirable
• Strong technical familiarity with Layer 2 and Layer 3 broadband access network architectures and fiber-based broadband access systems (e.g., XGS-PON, GPON)
• Knowledge of Wi-Fi technology and in-home network solutions (Wi-Fi 6, Wi-Fi 7, mesh networking)
• Understanding of service provider network architecture and technologies (BNG, MPLS, L2/L3 access, photonic transport)
• Proficiency with service provider routing protocols (BGP, OSPF, ISIS, SR) and transport functions (L2/3 VPN)
• Experience with protocols and standards for broadband CPE management (TR-069/CWMP, TR-369/USP, TR-181, TR-098, TR-157)
• Working knowledge of systems integration concepts and technologies such as RESTful APIs, JSON
• Familiarity with emerging technologies and trends, such as cloud-based solutions (SaaS), software-defined networking (SDN), and AI/ML frameworks
• Demonstrated excellence in customer engagement and relationship management
• Outstanding interpersonal skills and a proven ability to synthesize and interpret complex issues into actionable solutions
• Superior presentation, written communication, and public speaking abilities at all organizational levels
• Recognized as a proactive self-starter and effective change agent within organizations
• Strong work ethic, consistently exhibiting determination, integrity, and urgency to meet deadlines and deliver outcomes
• Willingness and ability to travel within North America up to 50% of the time to support customer engagements. Valid driver's license required
• Industry certifications (e.g., Wi-Fi, MEF, Cisco, Juniper, Cloud Computing Professional Certification) are a plus