Senior Mainframe CICS Architect (Hybrid)

Automatic Data Processing, Inc.; San Dimas (CA); Hybrid; USD 93,000 - 230,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Retirement savings (matched)

Wellness program

Volunteer time off

Job summary

ADP is seeking a Senior Mainframe CICS Systems Engineer to join Infrastructure Engineering. You will lead installation, configuration, maintenance, and support of large‑scale IBM CICS/TS environments, partnering with development, operations, architecture, and infrastructure teams to ensure stability and modernization.

You will mentor juniors, drive automation, participate in 24x7 on‑call, support Java workloads in CICS, and help design CICS standards and roadmaps, with a strong focus on

Qualifications

• 13+ years hands‑on experience supporting IBM CICS/TS in large‑scale z/OS environments.
• Deep expertise with IBM CICS/TS administration and support.
• Strong knowledge of IBM Assembler and COBOL.
• Experience installing, upgrading, maintaining, and supporting mainframe software products.
• Advanced troubleshooting and root‑cause analysis for high‑availability environments.
• Ability to lead technical initiatives and collaborate across teams.

Responsibilities

• Lead installation, configuration, maintenance, and support of large‑scale IBM CICS/TS environments.
• Ensure availability, performance, integrity, and security of mission‑critical CICS platforms.
• Develop and maintain CICS standards, best practices, and roadmaps.
• Drive automation of operational procedures including IPLs, Cold Starts, and dump management.
• Participate in a global on‑call rotation and support production incidents.

Skills

CICS/TS

IBM z/OS

Assembler

COBOL

CICS Plex

Java workloads in CICS

Automation

Performance tuning

Disaster recovery

On-call rotation

Education

Bachelor's degree in Computer Science, IT, MIS

Tools

CICS Explorer

CICS Plex System Manager

Java in CICS/ Liberty Profile

IBM MQ

z/OS Connect Enterprise Edition

Job description

ADP is seeking a Senior Mainframe CICS Systems Engineer to join Infrastructure Engineering. You will lead installation, configuration, maintenance, and support of large‑scale IBM CICS/TS environments, partnering with development, operations, architecture, and infrastructure teams to ensure stability and modernization.

You will mentor juniors, drive automation, participate in 24x7 on‑call, support Java workloads in CICS, and help design CICS standards and roadmaps, with a strong focus on