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Technical Software Engineer: IBM AIX

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Job Description

Introduction
Software Developers at IBM are the backbone of our strategic initiatives to design, code, test, and provide industry-leading solutions that make the world run today - planes and trains take off on time, bank transactions complete in the blink of an eye and the world remains safe because of the work our software developers do. Whether you are working on projects internally or for a client, software development is critical to the success of IBM and our clients worldwide. At IBM, you will use the latest software development tools, techniques and approaches and work with leading minds in the industry to build solutions you can be proud of.

Your Role and Responsibilities
As an AIX Development Support Specialist,
you are responsible to resolve customer reported issues related AIX Operating system and its related components. Responsible for advanced problem-determination (Root cause analysis), publish technical notes and to give technical support for world-wide IBM Power AIX customers.
You will be working in the AIX Operating system environment under Development Support Organization (DSO).
The AIX Development Support team is the primary interface between AIX Development team and Power AIX operating system customers.
The development support professional will assist with problem diagnosis and root cause analysis down to the line of code of AIX operating system utilizing various power hardware systems.


Required Technical and Professional Expertise
  • 3 to 4 years of experience in IT industry, more specifically in AIX/LINUX/UNIX OS skills
  • Extensive experience in programming in C
  • C (with data structures/advanced data structures), compilation stages, UNIX/Linux commands, shell scripting, UNIX Internals (process management, memory management, File system management, Inter process communication, io, socket programming), familiarity with binary/octal/hex/ascii packets and decode them to control structures, crash analysis, AIX system boot process and issues.
  • System Cloning, Backup, mksysb, Familiarity with AIX/Linux environment , Commands and filesystem.
  • Os Internals : Knowledge of IPC(Inter process Communication), Semaphore, Mutex, Process Synchronization, Shared Memory, Process control block
  • VMM (Virtual Memory Mgmt) Virtual Address, Virtual Memory, Memory Management, DMA, Memory Leaks, CPU Scheduling, Process states, System throughput, CPU scheduling algorithms, Page replacement policy, page tables, Page-frame mapping, Page replacement algorithms
  • Component Specific skills :
  • Experience on AIX/VIOS, Virtualization, C & Socket Programming.
  • Knowledge on Networking Concepts and its Protocols.
  • In-depth understanding of TCP/IP stack and Device Driver internals.
  • Experience using debugging/analysis tools such as tcpdump/iptrace, Wireshark, KDB, GDB/DBX, cscope.
  • Knowledge on Network configuration and workings of Etherchannel, Shared Ethernet Adapter, SR-IOV, vNIC, Virtual Ethernet Adapter on AIX/VIOS.
  • Extensive Experience using HMC GUI/cli
  • Excellent communication both written and verbal, Should have experience of handling cases of large customers issues, Client facing.


Preferred Technical and Professional Expertise
  • Good understanding of the Server Architecture ,Virtualization concepts, TCP-IP protocols/RFC's.
  • Proven experience in Programming using C/advanced C programming language. Shell Scripting , perl scripting skills are added advantage/desirable skills.
  • Setting up lab environment to recreate the client issue to debug/troubleshoot the issue, root cause the issue, fix the issue on lab setup and verify/validate the fix.
  • Experience in using debugging tools like KDB/kdb/GDB, trace/truss/LMT analyzer's.
  • Should have very good Networking Skills: IPv4/IPV6 Routing, Ethernetchannel Broadcasting and Multicasting.
  • Very good experience in using Networking Protocols: TCP-IP, UDP, ICMP, ARP
  • Good knowledge of Wireshark Packet Analyzer, KDB for Kernel Trace Analysis and Dump Analysis. switch concepts and understanding of VLAN and shell scripting
  • Must have good understanding of TCPIP & basic trouble shooting, Unix Internals & IPC mechanisms, Hands on in debugging like gdb or kdb , OS internals

Skills Required

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Date Posted: 30/10/2024

Job ID: 98678417

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About Company

IBM
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About Business Unit About IBM IBM's greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world. Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we're also one of the biggest technology and consulting employers, with many of the Fortune 50 companies relying on the IBM Cloud to run their business. At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it's time for you to join us on our journey to being a responsible technology innovator and a force for good in the world. Being You @ IBM IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

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