Senior Technical Architect

HCL Technologies; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global technology company is seeking a Senior Technical Specialist for AS400 to oversee and ensure the optimal performance and security of the AS400 system. Responsibilities include system maintenance, troubleshooting, and collaboration with cross-functional teams. Ideal candidates should have strong AS400 administration skills, proficiency in RPG and CL programming, and excellent problem-solving abilities.

Qualifications

• Strong experience in AS400 system administration, including installation and troubleshooting.
• Proficient in programming languages used in AS400, such as RPG and CL.
• In-depth knowledge of AS400 hardware and software.

Responsibilities

• Manage and maintain the AS400 system, including upgrades and configurations.
• Troubleshoot and resolve technical issues within the AS400 environment.
• Conduct regular system performance monitoring and capacity planning.

Skills

AS400 system administration

RPG programming

CL programming

Database management (IBM DB2)

Problem-solving skills

Communication skills

Attention to detail

Education

IBM Certified Specialist AS/400 Professional

Job description

Overview

AS400 Senior Technical Specialist

About HCLTech: HCLTech is a global technology company, spread across 60 countries, delivering capabilities in digital, engineering, cloud and AI, and serving clients across major verticals. We are committed to ESG and sustainable technology-enabled solutions.

Job Summary: The Senior Technical Specialist for AS400 is responsible for overseeing the technical aspects and operations related to the AS400 system. They will be in charge of ensuring the optimal performance, reliability, and security of the AS400 system within the organization.

Key Responsibilities

• Manage and maintain the AS400 system, including system upgrades, patches, and configurations.
• Troubleshoot and resolve technical issues or errors within the AS400 environment.
• Collaborate with cross functional teams to integrate AS400 with other systems and applications.
• Conduct regular system performance monitoring and capacity planning to ensure efficient operation.
• Implement and maintain security protocols and procedures to safeguard the AS400 system from potential threats.
• Provide technical expertise and guidance to junior team members and stakeholders on AS400-related matters.
• Develop and maintain documentation related to AS400 configurations, processes, and procedures.

Skill Requirements

• Strong experience in AS400 system administration, including installation, configuration, and troubleshooting.
• Proficient in programming languages used in AS400, such as RPG (Report Program Generator) and CL (Control Language).
• In-depth knowledge of AS400 hardware, software, and utilities.
• Familiarity with database management systems on AS400, preferably IBM DB2.
• Excellent problem-solving skills and the ability to analyze complex technical issues.
• Strong communication skills and the ability to collaborate effectively with team members and stakeholders.
• Detail oriented and proactive in identifying and addressing system improvements and enhancements.
• Certifications: IBM Certified Specialist AS/400 Professional is preferred.

Job Details

• Employee Group: Business Line FT
• Entity: CSW
• Auto req ID: 1615682BR
• Expected Date of Closure: 15-Dec-2025
• Reporting Manager Designation: ASSOCIATE GENERAL MANAGER
• Skill (Primary): Technical Skills (APPS)-Mainframe-Platform-AS 400