Staff Engineer

The Infrastructure and Operations (I&O) organization embodies the hub of lifecycle engineering at TJX, delivering, maintaining, and optimizing our technology portfolio at rapid scale. We are a service-oriented team aimed at providing extraordinary experiences to thousands of TJX associates, business partners, and application delivery teams across the portfolio.

What you will need

An experiencedStaff Engineerwith deep expertise inAIX OS 7.2, 7.3+,VIOS 3.x,Linux OS (RHEL 7,8,9)andIBM Power Systems(P8, P9, and P10 hardware). As a key member of our IT Infrastructure team, you will be responsible for the installation, configuration, and maintenance ofAIX & Linuxsystems and IBM Power hardware in a complex enterprise environment. The ideal candidate will have strong troubleshooting skills, automation experience, and a deep understanding of AIX & Linux -based technologies to ensure optimal system performance, reliability, and availability.

Key Responsibilities:

• AIX/Linux Systems Administration

  :
• Install, configure, and maintainAIX OS 7.2, 7.3+on IBM Power Systems (P8, P9, and P10) &RHEL OS on Linux Servers
• Perform system upgrades, patches, and security enhancements on AIX/Linux servers and ensure optimal system health.
• Manage system-level diagnostics, issue resolution, and root cause analysis for AIX/Linux-related problems.
• Oversee AIX/Linux system performance and ensure high availability for business-critical applications.

• Virtual I/O Server (VIOS) Management

  :
• Administer and configureVIOS 3.xto support virtualized environments, including virtualizing storage, networking, and other resources.
• Optimize and manage VIOS configuration to ensure efficient resource allocation across multiple AIX and virtual machine workloads.

• IBM Power Systems Hardware Administration

  :
• Configure and maintain hardware platforms includingIBM Power 8, 9, and 10.
• Perform hardware diagnostics, firmware updates, and hardware health checks for IBM Power servers.
• Manage and configure Virtual LANs (VLANs), storage devices, and other hardware components in a Power environment.

• Performance Tuning & Capacity Planning

  :
• Perform performance tuning for AIX/Linux systems, including memory, CPU, disk, and network optimization.
• Conduct capacity planning and forecasting to ensure systems are scaled for business growth.
• Utilize performance monitoring tools to identify potential bottlenecks and optimize AIX/Linux resource utilization.

• Disaster Recovery & Backup

  :
• Design and implement disaster recovery strategies for AIX/Linux and IBM Power Systems using industry-standard tools.
• Configure and manage backup solutions, ensuring that data integrity and availability are maintained.

• Automation & Scripting

  :
• Develop automation scripts for routine system administration tasks using Shell, Python, or Perl.
• Implement automated workflows for provisioning, monitoring, and patch management to improve efficiency.

• Security & Compliance

  :
• Ensure adherence to security policies and compliance standards in AIX/Linux environments.
• Manage user access controls, security patches, and system updates to protect against vulnerabilities for both AIX & Linux

• Troubleshooting & Support

  :
• Provide advanced troubleshooting and problem-solving support for complex AIX & Linux and Power Systems issues.
• Act as a technical escalation point and provide tier-3 support for both AIX/Linux and VIOS-related incidents.

• Documentation

  :
• Maintain comprehensive documentation for system configurations, processes, and troubleshooting guides.
• Update and review standard operating procedures (SOPs) and best practices for AIX/Linux and VIOS environments.

• Collaboration & Mentorship

  :
• Work closely with cross-functional teams, including network engineers, database administrators, and software developers.
• Provide mentorship and guidance to junior engineers and collaborate on complex technical initiatives.

Qualifications:

Education

• Bachelor s degree in computer science, Information Technology, or a related field (preferred).

Experience

• Minimum of 8 years of hands-on experience inAIX/Linux OS administrationwith a focus on7.2,AIX 7.3+andVIOS 3.x, RHEL 7,8,9.
• Proven expertise in managingIBM Power Systems(P8, P9, P10) hardware and virtualized environments.
• Experience with IBM Power VM and Virtual I/O Server (VIOS) for virtualization management.
• Experience in Linux Virtualization Platforms such as VMware
• Experience with tools such as JIRA, Confluence, Service NOW

Technical Skills

• Advanced knowledge ofAIX OS 7.2,7.3+, including system installation, configuration, patching, and troubleshooting.
• Upgrading fromAIX OS 7.2 to 7.3+ and RHEL from 7 to 8 & 9.
• Expertise in managingVIOS 3.xand virtualized AIX environments.
• Maintaining and upgrading HMC
• Hands-on experience withIBM Power Systemshardware (P8, P9, and P10), including configuration and maintenance.
• Familiarity withstorage management, including LVM, SAN, and NAS integration in AIX environments.
• Proficiency in shell scripting (Bash, Korn Shell), automation tools, and performance tuning tools.
• Understanding of networking protocols and configuration in AIX/Linux (TCP/IP, NFS, DNS, etc.).
• Experience withIBM PowerVCand other virtual management solutions.
• Knowledge of backup solutions such as Tivoli Storage Manager (TSM) or similar tools.
• Migrating theShared Storage PooltoSAN Bootfor AIX systems
• Familiarity with lpar2rrd and maintaining the software

Certifications(Preferred):

• IBM AIX Certification (Level 1 or 2)/ IBM Power Systems or related certifications.
• Red Hat Certified System Administrator
• ITIL Foundation or other relevant certifications.

Key Competencies:

• Analytical Thinking: Strong problem-solving skills and the ability to troubleshoot complex system issues efficiently.
• Attention to Detail: Ability to manage multiple AIX/RHEL Linux/VIOS systems with high attention to detail and accuracy.
• Communication Skills: Excellent verbal and written communication skills for collaboration and documentation.
• Team Player: Ability to work well within a team, providing guidance and mentorship to junior engineers.
• Adaptability: Proactive in learning new technologies and keeping up with advancements in the AIX/RHEL Linux and Power Systems space.