Posted:
12/18/2025, 3:40:42 PM
Experience Level(s):
Mid Level ⋅ Senior
Field(s):
IT & Security ⋅ Software Engineering
z/OS Technical Specialist
Important Information
Location: Singapore
Job mode: Contract
Job Summary:
We are seeking an experienced z/OS Technical Specialist to join our team. The successful candidate will be responsible for designing, implementing, and managing z/OS systems, including installation, configuration, and maintenance of mainframe environments. This role requires strong technical expertise, problem-solving skills, and excellent communication abilities.
Key Responsibilities:
z/OS System Administration:
- Install, configure, and maintain z/OS operating systems, including IPLs, software updates, and PTFs.
- Manage and troubleshoot z/OS system issues, including performance optimization and problem resolution.
Mainframe Security:
- Implement and enforce mainframe security policies, including access controls, authentication, and authorization.
- Manage RACF, ACF2, or Top Secret security products.
Performance Management:
- Monitor and analyze system performance, identifying and resolving bottlenecks and issues.
- Implement performance tuning and optimization techniques.
Automation and Scripting:
- Develop and implement automation scripts using languages like REXX, JCL, and others.
- Automate routine tasks, such as backup and recovery, system monitoring, and reporting.
Problem Management:
- Troubleshoot and resolve complex technical issues, collaborating with IBM and other vendors as needed.
- Identify root causes and implement fixes to prevent future occurrences.
Documentation and Knowledge Sharing:
- Maintain accurate documentation of z/OS systems, procedures, and best practices.
- Share knowledge and expertise with junior staff and other teams.
Required Skills and Experience:
Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others.
At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.
Website: https://encora.com/
Headquarter Location: Scottsdale, Arizona, United States
Employee Count: 10001+
Year Founded: 2003
IPO Status: Private
Last Funding Type: Private Equity
Industries: Big Data ⋅ Cloud Computing ⋅ Software