Senior DevOps Engineer - Network 100 Remote Work From Home

Overview

Key responsibilities

• Continuously improve the resiliency throughput and latency profiles of our trading systems by working handinhand with our trading technology teams
• Manage and support our AWS cloud infrastructure EC2 instances and physical
• servers
• Development and management of IaC to ensure consistency of our infrastructure
• Ensuring security hardening of our OS builds and configurations
• Manage and maintain config management tooling to ensure consistency
• Integration of our stack with Kubernetes
• Ensure SRE best practices for design and operation of the stack
• Design implement and test disaster recovery capabilities to ensure our business
• can continue to operate in the event of a technology failure
• Participate in an oncall rota for escalations

Required qualifications

• Theoretical and practical networking knowledge incl. but not limited to unicast and multicast routing protocols Linux kernel s TCP stack implementation congestion avoidance/control (e.g. BBR) traffic control network simulation AWS VPC / TGW & Kubernetes VPC CNI etc. DPDK experience being a plus.
• Professional experience with kernel troubleshooting: strace bpftrace perf profiling/tracing navigating / reading / building the relevant kernel code.
• Professional experience with userland monitoring (e.g. Thanos/Prometheus/AlertManaging) logging (e.g. Splunk/Loki) alerting troubleshooting profiling/tracing etc.
• Strong practical AWS knowledge with min. 5 years of SRE / DevOps experience supporting and managing Linux based systems. Computer science or engineering degree preferred strong understanding of fundamental Computer Science principles is required.
• Familiarity with Kubernetes / Ansible / Chef and with one or more programming language: Python Golang C NodeJS.

linux systems,iac,aws vpc,python,golang,chef,aws knowledge,routing protocols,automation,linux kernel,network infrastructure,dpdk,nodejs,userland monitoring,devops,disaster recovery,cloud,ansible,networking,devops processes,security,sre best practices,kernel troubleshooting,kubernetes,computer science principles,ec2 instances,aws cloud infrastructure,c