Job Description

About Us
If you’re thinking ‘scale’, think bigger and don’t stop there. At Walmart, we don’t just innovate, we enable transformations across stores and different channels for the Walmart experience. Take a regular day at Walmart Labs and match that with 260 million customers a week, 11,695 stores, under 59 banners in 28 countries and e-commerce websites in 11 countries. That’s Walmart for you. With fiscal year 2022 revenue of $570 billion, Walmart employs approximately 2.3 million associates worldwide. We innovate to deliver a simple and seamless experience for our customers. Our tech talent solves the biggest and most complex problems. They drive digital transformation where data and analytics are enabling us to better serve our customers and create a digital relationship with them. As our customers evolve and adapt, we are taking it a few notches further here. We’re changing what customers can expect from the experience of shopping, from the physical stores, to mobile, social and even online; we’re not just ready for the future of shopping, we’re creating it.
Our Ideal Candidate
You have a deep interest and passion for production systems, one who loves to debug issues, learn new technologies and write quick utilities to manage and maintain platform. You have strong problem solving, analytical skills, decision-making and communication skills. You are self-driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities. Also to ensure highest degree of support for this critical platform, you must be willing to be part of a team that supports 24x7 on rotation basis.
Your Opportunity
The Datawarehouse Administration team @Walmart is focused on making sure the availability and reliability of Datawarehouse systems for Walmart businesses across the globe. We are responsible for providing Teradata and BigQuery platforms utilised by many of Walmart’s business users and application engineering teams in Walmart Stores and Sam’s Club for their big data analytics capabilities. We are seeking self-driven and motivated individuals with the desire to work in a fast-paced, results-driven agile environment.
Your Responsibility

• Own production incidents/issues and respond promptly to L1 pager issues 24 x 7

• Monitor and troubleshoot system stability and performance impacting issues

• Application support for a wide range of operational issues related to users or objects on the system

• Support critical SLAs in liaison with Control Room along with other operational teams

• Work on low-medium priority tickets by partnering with engineering or users and escalate to L2 where appropriate.

• Apply standard procedures and use standard tools to build, test and deploy schema changes, assign roles to users and performance tuning enhancements

• Adhere to change control process using Change Management platform eg., Service now

• Provide weekly report of completed Service Requests, Pages, Issues/Incidents

• Review trends on issues and highlight areas of opportunity that need to be worked in joint between L1 and L2 resources.

• Work with distributed teams in a collaborative and productive manner

• Promote and support company policies, procedures, mission, values, and standards of ethics and integrity

• Bachelor's Computer Science or related streams with 7 to 12 years’ experience in industry
• Good communication, interpersonal, analytical and problem solving skills
• Understanding of Linux OS Commands, Network protocols – TCP/IP, DNS, HTTP and usage of system diagnostic tools.
• General knowledge of database or data warehouse concepts
• Experience in managing Datawarehouse operations for Teradata and/or BigQuery
• Understanding of cloud environments such as GCP or Azure
• Ability to adhere to documented standards and processes and provide progress updates for assigned work or incidents
• Experience in one or more scripting languages including Shell, Perl, and Python
• Building monitoring tools and automation for managing the Production systems.
• A self-motivated learner and builder with strong customer focus and obsession with quality.