SYSTEMS ADMINISTRATOR, TECHNOLOGY OPERATIONS
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Sep 17, 2026. Walmart scores A on the Alion truth index.
Position Summary...
The Systems Administrator - Technology Operations is responsible for supporting day-to-day control room operations, including batch processing, system monitoring, and incident management within a mainframe environment. This role ensures system stability, supports critical business processes, and escalates issues appropriately to maintain SLA compliance. The associate works closely with senior team members and SMEs to troubleshoot issues, execute operational procedures, and provide timely support to internal customers.What you'll do...
About the team
Our team is dedicated to driving innovation and operational excellence within Walmart Global Tech. Associates on shift are responsible for ensuring that our critical batch flows run successfully and are completed before their Service Level Agreements (SLAs). Team members monitor over 250,000 jobs daily, working collaboratively to ensure all restarts and validations are performed with 100% accuracy prior to any restart. Additionally, associates maintain the stability and health of mainframe systems, implementing maintenance and upgrades as needed. ServiceNow is utilized for incident logging and tracking, supporting efficient resolution and documentation of operational issues
What You’ll Do
Perform daily control room operations, including monitoring alerts, handling batch job abends, and managing incidents in accordance with SOPs.
Execute Control-M activities such as holding, releasing, and restarting jobs.
Monitor batch flows and escalate issues to ensure SLAs for critical processes are met.
Monitor z/OS systems, review logs, and perform initial troubleshooting; engage next-level support when required.
Execute operational procedures including IPLs (Initial Program Loads), maintenance implementations, and task restarts (bounce activities).
Monitor system health using tools such as Chronos and report issues to senior leads or SMEs as needed.
Create, update, and manage incident tickets and RITMs in ServiceNow, ensuring all tickets are accurately updated before shift end.
Provide support to data centers (DCs), including troubleshooting batch processing issues and resolving printer-related problems.
Support and facilitate EDIM (Data Center Power Outage activities) and related operational events.
Handle customer support requests via phone queue, email, and chat platforms (Zoom, Teams, Slack) while meeting response SLAs.
Follow established escalation procedures and SOPs for issue management and resolution.
Maintain proper documentation and communicate issues effectively during shift handovers.
What You’ll bring
1-3 years of experience in technology operations, control room, or system administration.
Basic knowledge of mainframe environments (z/OS) and batch processing concepts.
Experience with job scheduling tools (e.g., Control-M).
Familiarity with ServiceNow or similar ticketing systems.
Strong problem-solving skills and attention to detail.
Ability to work in a 24x7 shift-based environment.
Exposure to mainframe tools and utilities.
Basic understanding of JCL (Job Control Language).
Experience supporting data center operations.
Familiarity with monitoring tools such as Chronos.
Experience using collaboration tools like Zoom, Microsoft Teams, and Slack.
Ability to work effectively in a team and escalate issues appropriately.
Attention to detail
Problem-solving ability
Multitasking and time management
Communication and teamwork
Ability to follow processes and SOPs
Customer support orientation
24/7 operational support environment with rotating shifts
Fast-paced, high-availability support setting
Interaction with cross-functional and geographically distributed teams
About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered.
We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Walmart’s culture sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our Chennai office for daily work, with the flexibility for associates to manage their personal lives.
Benefits
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.
Belonging
We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.
At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is-and feels-included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.
Equal Opportunity Employer
Walmart, Inc., is an Equal Opportunities Employer - By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.
Minimum Qualifications...
Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.
Preferred Qualifications...
Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.
Business Analytics, Contract Management, Customer Care, Information Technology, Microsoft Office, Programming Languages