Principal Engineer - ACOS

Job Summary

Principal Engineer - ACOS - Zenith System Solutions

Experience: Minimum 10 to 12+ years

Responsibilities

• Owning one or more modules/areas within the product architecture
• Leading and clarifying technical requirements for new features
• Designing feasible and high-quality module architectures within defined timelines
• Obtaining necessary design approvals and driving implementation
• Hands-on development of critical and complex bugs, enhancements, and features
• Building lab topologies for rapid PoCs as required
• Guiding and mentoring new team members

ACOS Platform Coverage Areas

• Logging infrastructure (Syslog, CEF, LEEF, etc.)

• Metrics infrastructure (NetFlow, sFlow, Kafka, ACOS counter libraries and APIs)

• Log and metrics integrations (Harmony/Kafka, Prometheus, Azure Monitor, AWS CloudWatch, vRealize, Fluentd, Splunk, QRadar, etc.)

• Harmony (Management Plane) integrations (registrations, SaaS tunnel)

• ZBAR (Adaptive Attack Rate Limiting for ADC)

Primary Skills

• Expert-level C programming experience on Linux, RTOS, or similar real-time, high-availability embedded operating systems

• Strong GDB debugging skills

• Python programming expertise

• Strong understanding of networking products, OSI stack, L2/L3/L4, and load balancers

• Experience with TCP/IP, UDP/IP, socket programming, and standard IP protocols such as ICMP

• Solid knowledge of algorithms and data structures

• Understanding of control plane and data plane architectures in networking devices

• Experience with source control tools (CVS, SVN, Git)

• Knowledge of Kubernetes and cloud platforms such as AWS, Azure, OCI

• Ability to work in large, complex codebases and integrate third-party software

Secondary Skills

• GO programming (good to have)

• Knowledge of rate-limiting, trending, standard deviation, and min/max calculation algorithms

• Strong understanding of telemetry and data export mechanisms

• Experience with message queues such as Kafka and RabbitMQ

• Hands-on knowledge of Kafka-based telemetry exports

• Experience with export mechanisms such as Syslog, sFlow, NetFlow, SNMP

• Data encoding/decoding formats (Avro, sFlow, NetFlow); Google Protobuf is a plus

• Experience with cloud analytics integrations including Azure Monitor, OCI Analytics, and AWS analytics frameworks

Educational / Professional Qualification Required

• Bachelor's degree in Computer Engineering or equivalent

• Master's degree in Computer Engineering or equivalent is preferred

Soft Skills / Competencies

• Strong problem-solving mindset

• Effective communication skills (written, verbal, listening, and presentation)

• Excellent team player with experience working in global teams and organizations

• Genuine interest in continuous learning and knowledge sharing

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