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Senior Technical Specialist

United States

Job Description

Senior Technical Specialist

New York, New York

Job Summary

Seeking an experienced Shell Script and C Developer with robust expertise in C-Shell (csh), Korn Shell (ksh), and C programming to support the migration and modernization of a large-scale financial application environment. The role involves refactoring and enhancing existing Linux-based batch processing scripts and C applications, integrating with SQL Server databases, supporting file-processing workflows, and ensuring the reliable operation of enterprise data pipelines. The environment includes Linux scripts, C-based utilities, enterprise batch jobs, Informatica integrations, and large-scale data processing workflows.

Key Responsibilities

Analyze, port, and refactor existing C-Shell (csh), Korn Shell (ksh), and C programs as part of the SQL Server migration initiative.
Modify Linux batch processing scripts and C-based applications to connect and interact with SQL Server databases.
Develop and enhance automation solutions for data loading, extraction, validation, reconciliation, and batch processing activities.
Analyze, maintain, and modernize legacy C applications supporting backend business logic, file processing, and operational workflows.
Support execution, monitoring, and troubleshooting of batch jobs, file-processing workflows, and production support activities.
Create shell scripts to execute, schedule, and manage Informatica workflows and related data processing jobs.
Develop and maintain C modules and utilities that integrate with shell scripts, databases, and enterprise processing frameworks.
Work closely with database, ETL, infrastructure, and application teams to support migration, integration, and modernization initiatives.
Perform code reviews, debugging, performance tuning, and root cause analysis for shell scripts and C applications.
Participate in SIT, UAT, deployment, and production rollout activities by resolving script- and application-related defects.
Maintain technical documentation for scripts, C programs, scheduling processes, operational procedures, and support runbooks.
Ensure adherence to enterprise standards for automation, logging, error handling, monitoring, security, and operational support.
Identify opportunities to improve reliability, efficiency, and maintainability of batch processing and data integration workflows.

Skill Requirements





8+ years of experience in Linux/Unix development and support.
Strong expertise in Shell Scripting (C-Shell/csh and Korn Shell/ksh).
Strong programming experience in C language on Linux/Unix platforms.
Experience developing and supporting batch processing and file-processing workflows.
Proficiency in Linux tools and utilities (gcc, gdb, make, sed, awk, grep).
Experience troubleshooting, debugging, and performance tuning of shell scripts and C applications.
Knowledge of Cron/job scheduling and enterprise automation frameworks.
Experience with Git/version control and SDLC processes.
Hands-on experience with SQL Server connectivity, SQL execution, and data validation.

Other Requirements

NA

Maximum Salary (US): 198000

Minimum Salary (US): 114000

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.

Compensation and Benefits

A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.

Copyright © 2026 HCL Technologies Limited

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📌 Senior Technical Specialist (India)
🏢 HCLTech
📍 India