Senior Sales Engineer

The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One — our cloud-first, AI-powered platform — CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve.

We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences.

We are looking for dynamic, curious, motivated, and self-starting Senior Sales Engineer to join our growing team in the DACH region. The Sales Engineer is responsible for pre-sales technical engagements with our customers, delivering compelling presentations and building aligned network designs, pivoting between credible technical discussion and distilling technical concepts into simple business language while reinforcing the Calix value proposition. In this role, you will interact with and influence senior technical staff and business management within Calix’s broadband service provider customers. You will provide demonstrations of Calix’s product capabilities and assist with lab and field trials. The ideal candidate has a strong technical background, experience in a pre-sales position, and confidence in both technical and business forums.

Responsibilities:

• Positioning and selling Calix FTTH and in-home networking products and solutions

• Assist in the preparation of RFx responses

• Deliver technical sales-oriented presentations to customer's technical staff and senior management

• Understand business requirements involved with technical account strategy

• Assist customers and resellers in configuring and testing products and networks in lab and field trials

• Provide leadership and guide customers on technical and operational issues within areas of expertise

• Work with customers to design and architect network solutions to their applications needs

• Deep understanding of the product portfolio to apply the best solutions

• Influence decisions and adept at simplifying our Calix technology concepts

• Research and stay up to date on the most recent industry standards and trends

• Capture, articulate, and prioritize customer requirements and share with Calix Product Management

• Travel expectations: In region travel up to 50% on average required to support customer engagements

Qualifications:

• MSc/BSEE/BSCS desired

• Strong background and experience with Layer 2 and Layer 3 Access network architectures

• Strong background and experience with FTTx Fiber based Access solutions

• Strong background and experience with WAN services, PON and Ethernet based architectures

• Knowledge with various routing protocols (BGP, OSPF, ISIS), transport functions (L2/3 VPN) and subscriber management/BNG

• Ability to troubleshoot complex issues related to L2/L3 deployment architectures and methodologies

• Understanding of SaaS and SDN based technologies

• Experience partnering with cross-functional teams on continuous improvement in product, education, training, testing methods, and demos

• Strong interpersonal skills, a proven track record of synthesizing and interpreting complex issues into solutions and the ability to effectively work with multiple audiences and levels across organizations

• Excellent presentation and written communication skills

Additional Considerations:

• Experience in the Broadband Service Provider industry in Germany, Austria and Switzerland

• Knowledge of operational support systems and understanding interactions with APIs (REST/JSON) including design, integration, and troubleshooting

• Understanding of network security methodologies, including but not limited to ACLs, Stateful firewalls, VPNs (tunneling, IPsec, PPTP, etc.)

• Working knowledge of network management and orchestration platforms

• Technical familiarity with Wi-Fi systems

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