[Online] Công Ty GA Professional Services Tuyển Dụng Mainframe Infrastructure Engineer IBM Z Series Specialist Full-time 2026

COMPANY INTRODUCTION
Địa điểm: Nước Ngoài; Hà Nội; Hồ Chí Minh; Đà Nẵng; Huế; Khác - Loại hình công ty: Công ty Việt Nam - Lĩnh vực kinh doanh: IT (Lập trình, Công nghệ thông tin, Internet, ...) - Quy mô công ty: Nhỏ (< 49 người có BHXH) - Website: [protected info]
GA PROFESSIONAL SERVICES PTE. LTD. is registered as an Exempt Private Limited Company. Its principal activity is the development of software and applications (except games and cybersecurity).
Mainframe Infrastructure Engineer / IBM Z Series Specialist (Remote - SE Asia)
Địa điểm: Nước Ngoài; Hà Nội; Hồ Chí Minh; Đà Nẵng; Huế; Khác - Tính chất công việc: Online; Toàn thời gian - Chuyên môn: Lập trình - Kinh nghiệm: Yêu cầu ứng viên có kinh nghiệm - Mức lương: Thỏa thuận
JOB DESCRIPTION
Role Overview:
We are seeking an experienced IBM Z Series Mainframe Engineer based in Vietnam to join our clients' mainframe dev team. In this role, you will be responsible for supporting, maintaining, and modernizing the core IBM Z platform environments. The ideal candidate has deep technical expertise in z/OS environments and a proven track record of working within highly regulated industries such as banking, finance, or telecommunications.
Key Responsibilities:
- System Maintenance: Monitor, configure, and maintain IBM Z mainframe environments (z/OS, z/VM) to ensure 24/7 high availability and performance.
- Storage & Database Admin: Manage mainframe storage architectures, datasets, and catalog structures, including DB2 for z/OS or IMS.
- Security & Compliance: Administer mainframe security policies using RACF, ACF2, or Top Secret, ensuring alignment with global compliance standards (e.g., PCI-DSS).
- Performance Tuning: Troubleshoot system bottlenecks, manage workload configurations (WLM), and optimize batch processing and JCL execution.
- Modernization Support: Assist in integrating legacy systems with modern hybrid cloud environments using z/OS Connect Enterprise Edition or IBM Developer for z/OS (IDz).Required Skills & Qualifications.
REQUIREMENTS
- Experience: 5+ years of hands-on experience dealing directly with IBM Z Series hardware (z14, z15, or z16) and z/OS operating systems.
Core Technical Stack: Strong proficiency in JCL, TSO/ISPF, CICS, and IBM MQ.
Programming
- Languages: Familiarity with COBOL, PL/I, or Assembler (highly preferred for application-focused roles).
- Industry Background: Prior experience working with major regional or global financial institutions, shared services, or tier-1 IT integrators.
- Communication: Excellent written and verbal English communication skills, with the ability to collaborate effectively with distributed global teams.
BENEFITS
- Remote working within Southeast Asia.
-
Salary is negotiable based on your experience, skills, and expectations.
HOW TO APPLY
Submit your application via the APPLY NOW button below.
Deadline: 23:59 31/8/2026
Note: Only selected candidates will be contacted (via email). Make sure that your email and Spam/ Promotions box are checked regularly so that you will not miss any notifications from us.
APPLY NOW