Systems Engineer - Networking

Calix India; Bengaluru; Hybrid; INR 180,000 - 240,000; Full time

Job summary

Calix India is seeking an experienced technical support engineer to join our Revenue Edge and Cloud-Connected Wi-Fi teams. You will handle escalation cases, diagnose complex issues, and drive timely resolutions for CSPs across networks and software platforms.

Ideal candidates have 5+ years in tech support, strong TCP/IP, REST/XML skills, and the ability to collaborate with cross-functional teams and executives in a fast-paced hybrid work environment in Bangalore, India.

Qualifications

• 5+ years in technical support or escalation.
• Strong TCP/IP, switching, routing and DNS knowledge.
• Experience with cloud-based technologies and APIs.

Responsibilities

• Provide escalation support via phone, web, or on-site.
• Create technical documentation for internal and external use.
• Coordinate with cross-functional teams and executives.
• Manage multiple issues with speed and accuracy.

Skills

Technical support

Customer-centric

Troubleshooting

Communication skills

Project management

Education

BS in EE/CS

Tools

Postman

OpenAPI

Linux

Job description

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 viaCalix 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.

Roles and Responsibilities

• This position will provide escalation support via the telephone, web or at the customer site with specific data centric objectives based off product responsibilities.
• The candidate must be able to take ownership in driving and solving customer technical product issues with urgency and effectively operate independently and collaborate with team members as the situation requires.
• The candidate will be responsible for creating technical documentation to aid in knowledge sharing for both internal and external audiences
• Provide customer perspective cross functionally across internal teams, including Executive level.
• Complete training deliverables on a quarterly basis to ensure you are up to speed on the latest feature and technology enhancements.
• The candidate must be passionate about solving customer technical product issues with a constant drive for technical knowledge and growth.
• Use data and insight to explain a situation, make informed decisions and provide recommendations for improvement.
• The ideal candidate must be able to excel in a fast-paced environment, to manage multiple customer issues/projects simultaneously, provide quick yet thorough responses and meet aggressive deadlines.
• Focusing on our Revenue Edge portfolio, this position will be working with our Cloud and Cloud-Connected Wi-Fi Premises equipment.
• Working with cutting edge hardware and software by supporting our Early Adopter customers for new products and services.

Qualifications and Skills

• We are seeking an extremely self-motivated, autonomous individual with a proven track record in providing a high level of technical support.
• 5+ years of technical support and/or escalation support experience, with background in Networking or Software Applications
• Strong troubleshooting and problem-solving skills are a must
• Ability to use data and insight to explain a situation and make informed decisions and recommendations for improvement.
• This role requires an engineer who is relentlessly customer-centric, a problem-solver, and a strong collaborator.
• Strong cultural fit, valuing teamwork, shared success while constantly striving to better yourself for the collective impact to the team.
• Exceptional oral & written communications skills, with ability to be concise and effective.
• Measured and mature presentation skills suitable for Executive level conversations.
• Strong interpersonal skills are crucial, including self-awareness and relationship building/maintenance.
• Strong technical account management, customer service and project management skills.
• Strong initiative, being a self-starter is key for success in this role.
• Constantly seeking to learn more, technically and professionally, and coachable with a passion for knowledge
• BS/MS EE, CS, or equivalent experience
• Focus/Interest on Cloud-based technology – client/server architecture with remotely connected devices.
• Working knowledge of XML, SOAP, REST, HTTP, STUN, NAT, JSON, SQL
• Strong understanding of TCP/IP, L2 switching, L3 routing, VLANs, QoS/DSCP
• Understanding of 802.11, DHCP, DHCPv6, IPv4, IPv6, VoIP, DNS, Firewalls, Netflow, IPFix, SNMP, IGMP & IPTV, Scripting (Python / Bash / PHP / Perl / CGI), Linux
• Understanding and working knowledge of RESTful APIs (OpenAPI-based), authentication (OAuth2/Bearer tokens), API Gateway concepts (rate limiting, quotas), and advanced troubleshooting of HTTP errors, payloads, and end-to-end request flows, along with hands-on experience using Postman for automation, collections, and validation.

Location

• India – (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)