• Lead IBM z/OS & MQ Systems Administrator
About the role
We're seeking an experienced Lead IBM z/OS & MQ Systems Administrator to join our Networks & Systems Administration team. This is a contract position based in Bonifacio Global City, Taguig City, Metro Manila. In this role, you will take ownership of managing and optimising our IBM z/OS and MQ (Message Queue) systems infrastructure, ensuring reliable, secure and efficient operations. You will provide technical leadership, mentorship and strategic guidance to support our organisation's critical enterprise systems and drive continuous improvement across our messaging and mainframe environments.
Key responsibilities
Administer, monitor and maintain IBM z/OS mainframe systems, ensuring optimal performance, availability and security
Manage IBM MQ infrastructure, including installation, configuration, troubleshooting and performance tuning
Oversee message queue operations and resolve complex technical issues related to message routing and delivery
Develop and implement system administration standards, procedures and best practices for z/OS and MQ environments
Perform capacity planning, system tuning and performance optimisation to meet organisational requirements
Manage security protocols, access controls and compliance standards for mainframe systems
Lead incident response and problem resolution, coordinating with internal teams and vendors as required
Mentor and supervise junior systems administrators, providing technical guidance and professional development
Document system configurations, procedures and operational runbooks for knowledge retention and continuity
Collaborate with application teams and stakeholders to support deployments and system upgrades
What we're looking for
Minimum 8+ years of professional experience administering IBM z/OS and MQ systems in production environments
Extensive knowledge of z/OS operating system architecture, components and system management tools
Advanced expertise in IBM MQ administration, including queue managers, channels and message routing
Strong understanding of mainframe security, including RACF (Resource Access Control Facility) and encryption protocols
Proven experience with performance monitoring tools and capacity planning methodologies
Proficiency in scripting languages such as REXX, shell scripting or Python for automation tasks
Experience with system backup and disaster recovery procedures specific to mainframe environments
Demonstrated ability to lead technical teams and mentor junior staff members
Excellent troubleshooting and analytical skills with strong attention to detail
Professional communication skills with the ability to work effectively across all organisational levels
Relevant IBM certifications (such as IBM z/OS or IBM MQ certifications) are highly desirable