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IBM Technical Software Engineer IBM AIX India, Karnataka, Bengaluru 883736923
04.09.2024
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
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