Unix System Programmer

Primary Responsibilities

• Develop, maintain, and optimize system-level applications on Unix/Linux platforms using C.
• Design and implement network programming solutions using sockets, TCP/IP, IPC, and related protocols.
• Develop automation scripts and system utilities using Perl, Bash, and Korn Shell.
• Troubleshoot operating system, application, and network-related issues.
• Implement secure coding standards and defensive programming practices.
• Support authentication and authorization mechanisms, including Kerberos integration.
• Monitor system performance and perform debugging, diagnostics, and performance tuning.
• Develop and maintain multi-threaded and concurrent applications.
• Collaborate with infrastructure, security, and application teams to maintain platform stability and security.
• Participate in code reviews, testing, deployment, and production support activities.
• Use source control tools such as Git for software development and maintenance.

Required Technical Skills

• Strong knowledge of Unix/Linux operating systems and system internals.
• Strong proficiency in C programming, including system and network programming.
• Hands-on experience with Perl scripting for automation and system administration.
• Strong understanding of TCP/IP, sockets, IPC, and network communication.
• Knowledge of security concepts, secure coding, and defensive programming.
• Experience with Kerberos authentication and related security frameworks.
• Experience with debugging, system diagnostics, and performance tuning tools.
• Experience with Bash/Korn Shell scripting.
• Understanding of multi-threaded and concurrent programming.
• Knowledge of Linux security controls and identity management solutions.
• Familiarity with Git or other source control systems.

Preferred Qualifications

• Experience working in enterprise, banking, or financial services environments.
• Experience supporting large-scale Unix/Linux production environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and collaboration skills.