Senior Systems Engineer, Technical Support

Calix

Senior Systems Engineer providing technical support for Calix's cloud-based access products. Troubleshooting and resolving network issues while collaborating with engineers and vendors.

Posted 4/28/2026full-timeRemote • California • 🇺🇸 United StatesSenior💰 $90,000 - $135,000 per yearWebsite

Tech Stack

Tools & technologies

AnsibleCloudDNSDockerFirewallsKubernetesLinuxMongoDBPerlPHPPostgresPythonSQLSwitchingTCP/IP

About the role

Key responsibilities & impact

Provide technical support for Calix Access products, such as routers, switches, and element management systems.
Analyze, diagnose, and resolve network issues reported by customers and partners.
Analyze outages - document per guidelines, communicate risks.
Collaborate with other engineers, product managers, and calix vendors to identify root causes and solutions.
Escalate complex or unresolved cases to the appropriate teams or experts.
Meet SLAs and keep customers satisfied.
Update Salesforce tickets continuously per Calix processes.
Document case history, best practices, and troubleshooting guides.
Contribute to the continuous improvement of processes and tools.
Cover shifts based on business needs - comfortable to work in shifts including weekends.

Requirements

What you’ll need

4+ years of technical support and/or escalation support experience, with background in networking and telecommunication.
Bachelor’s degree in computer science, Engineering, or related field, or equivalent work experience.
Provide Level-2 /3 support and troubleshooting to resolve issues.
Focus/Interest on Cloud-based technology – client/server architecture with remotely connected devices.
Experience with Netflow , IPFix , TR-069, REST APIs, XML, STUN, JSON, MongoDB , PostgreSQL, ELK Stack, and Netconf/Yang.
Experience with scripting and configuration management tools (Python / Bash / PHP / Perl / CGI/ Ansible) preferred.
Knowledge of FCAPS solutions that are geographically diverse.
Knowledge of SDN controllers like OpenDaylight , ONOS, or any other similar controller.
Knowledge of containerization frameworks such as Docker, Kubernetes, or similar.
In-depth understanding of Networking protocols i.e. TCP/IP, DHCP, DNS, SNMP, IPFIX, IPV4/IPV6, CGNAT, Ethernet, Layer2 (RSTP/MSTP, VLANs, etc.), Layer3 (IP Routing, OSPF, BGP, etc.), MPLS (L2-VPN, L3-VPN) and networking management.
Familiarity with SASE Architectures including Zero-Trust Network Access (ZTNA), Secure Web Gateway (SWG), and Security services (IDS/IPS, Firewalls etc.).
Knowledge of SD-WAN Architectures is preferred.
Must have knowledge on Cisco, Juniper, or other network devices.
CCNA/CCNP/JNCIP/RHCSA/CISSP/NSE or equivalent desired.
Fluent in the English language (verbal and written).
Strong troubleshooting and analytical skills.
Excellent communication and customer service skills.
Ability to work independently and as part of a team.
Willingness to learn new technologies and products.

Benefits

Comp & perks

As a part of the total compensation package, this role may be eligible for a bonus.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

technical supportescalation supportnetworkingtelecommunicationLevel-2 supportLevel-3 supportcloud-based technologyscriptingconfiguration managementnetworking protocols

Soft Skills

troubleshootinganalytical skillscommunication skillscustomer service skillsability to work independentlyteam collaborationwillingness to learn

Certifications

CCNACCNPJNCIPRHCSACISSPNSE