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Walmart Canada · 2 months ago

Software Engineer II - Site Reliability Operations Engineer

Bentonville, AR

Full-time

Onsite

Entry, Mid Level

$104K/yr - $202K/yr

2+ years exp

Walmart Canada is seeking a Site Reliability Operations Engineer to join their Global Technology Platforms team. This role involves maintaining mission-critical infrastructure and ensuring high levels of availability and reliability for Walmart’s technology stack through monitoring, incident response, and collaboration with cross-functional teams.

DeliveryRetailShopping

Responsibilities

Acquire in-depth technical knowledge of omnichannel cloud platforms, web traffic flows, micro-services, and service dependencies for major incident resolution

Provide support for Unix and Linux systems from Kernel to Shell and beyond, taking into consideration system libraries, file systems, and client-server protocols

Leverage knowledge of network technologies such as different protocols (TCP/IP, UDP, ICMP, etc.), MAC addresses, IP packets, DNS, CDN, OSI layers, Firewalls, Gateway, Proxy, and Load balancers

Provide L1 and L2 production support for multiple cloud technologies such as Open stack, Cloud Native platform, Microsoft Azure, and Google Cloud Platform for triaging critical issues using various internal and vendor-related tools

Detect and analyze monitoring graphs and alerts to identify systems causing production impacts with various tools like Grafana, Prometheus, MMS, Kibana, Graphite, Service Now, JIRA, Dynatrace, New Relic, Omniture, Splunk, and CDN logs [Reduce MTTD – Mean Time to Detect]

Triage site-impacting production issues by quantifying impact, severity and urgency, analyzing systems for quick remediation, engaging the right teams for recovery [Reduce MTTE – Mean Time to Engage], and focusing on immediate restoration [ Reduce MTTR – Mean Time to Restore] of large-scale enterprise systems

Develop enterprise monitoring and utilize tooling software solutions such as Grafana, Kibana, Splunk, Graphite, New Relic, to improve visibility, pro-actively detect issues and restore system availability

Designing and implementing JavaScript for the integration of alerting tool with service API endpoints with various tools like ServiceNow, Spotlight and xMatters

Design and develop solutions for widespread internal communications for cloud applications support or workflows for infrastructure availability issues with various internal applications with multiple programming languages like Java, JavaScript (React, Node JS), Python and Shell programming technologies like Prometheus, Database Query languages

Demonstrate knowledge of scripting and software development for automation and self-healing of multi-cloud environments. Help enhance existing solutions by developing automation with Docker, Kubernetes and working with DevOps and Engineering partners

Qualification

Unix/Linux administrationCloud technologiesIncident managementMonitoring solutionsNetworking knowledgeProgramming languagesAutomationSelf-healingSoft skills

Required

2+ years in an infrastructure, systems, engineering or development environment delivering operational excellence to highly complex distributed systems

Bachelor's Degree in Computer Science or a related field, or relevant work experience

Strong and demonstrable incident management skills with relevant experience in an enterprise organization

Experience and exposure working in a 24/7 operations support environment

Methodical and systematic problem-solving approach, combined with a solid awareness of ownership, initiative and drive

Experience investigating, analyzing and troubleshooting large scale enterprise systems

Networking knowledge and understanding of network concepts, such as different protocols (TCP/IP, UDP, ICMP, etc.), MAC addresses, IP packets, DNS, OSI layers, and load balancing

Experience administering Unix/Linux in a production environment

Experience working with and developing enterprise monitoring/tooling/logging solutions like Grafana, Kibana, Splunk, Openobserve, Graphite, Nagios, New Relic, DynaTrace and Prometheus

Working knowledge of one or more cloud technologies such as AZURE, GCP, OpenStack

Experience with distributed version control like Git or similar

Designing and implementing JavaScript for the integration of alerting tool with service API endpoints with various tools like ServiceNow, Spotlight, Splunk, and xMatters

Programming experience in one or more of the following languages: Go, Java, Python, Shell, etc

Experience in data science/machine learning would be advantageous