Custom Software Engineer - IBM z/OS Systems Administration
We are looking for an experienced and results-driven Custom Software Engineer to serve as a Subject Matter Expert (SME) and Technical Lead specializing in IBM z/OS Systems Administration. In this role, you will design, code, and enhance custom software components designed to integrate seamlessly across complex systems, applications, and mainframe environments.
Working within an agile framework, you will take ownership of team decisions, collaborate across multi-disciplinary teams, and deliver scalable, high-performance solutions tailored to unique business needs. Beyond hands-on engineering, you will play a key role in system performance, security compliance, mentoring team members, and mitigating project risks to ensure quality and timely milestone delivery.
Key Responsibilities
Technical Leadership & Architecture
System Design & Integration: Architect, build, and continuously refine scalable custom software components designed for seamless integration across IBM z/OS mainframe environments and enterprise systems.
Subject Matter Expertise: Serve as the SME on custom software solutions and IBM z/OS administration, providing advanced technical guidance and problem-solving strategies across multiple teams.
Agile Execution: Actively drive agile methodologies to deliver efficient, secure, and maintainable software and mainframe solutions.
Team Management & Collaboration
Decision-Making: Take ownership of key technical and operational team decisions, while contributing to cross-team strategic choices.
Team Leadership & Performance: Manage, empower, and guide the software engineering team to maintain high performance and achieve project goals.
Cross-Team Engagement: Collaborate effectively with system architects, security teams, QA, and business stakeholders to align software developments with organizational standards.
Communication & Coordination: Facilitate effective communication among team members to keep project milestones on track.
Mentorship & Risk Management
Mentorship & Knowledge Sharing: Support professional growth through technical coaching, code reviews, and structured knowledge transfer.
Risk Mitigation: Proactively identify technical risks, system bottlenecks, or security concerns, developing mitigation strategies to uphold project quality and operational stability.
Qualifications & Skill Requirements
Required Skill
IBM z/OS Systems Administration: Expert proficiency in IBM z/OS systems administration, system setup, and mainframe operating system management.
Technical & Professional Skills
Mainframe Systems: In-depth knowledge of mainframe architecture, operating systems, and core utility tools.
Performance & Capacity Planning: Hands-on experience with system performance tuning, resource optimization, and capacity planning.
Automation & Scripting: Familiarity with scripting languages and automation tools to streamline routine system administration and deployment tasks.
System Troubleshooting: Proven ability to diagnose and resolve complex system issues, implementing effective, long-term solutions.
Security & Compliance: Proficient in managing system security configurations, enforcing regulatory standards, and maintaining enterprise compliance guidelines.
Agile & Leadership: Proven experience leading technical teams, taking ownership of decisions, and working within Agile/Scrum delivery models.
Employer questions
- Which of the following types of qualifications do you have?
- Do you have experience using IBM Mainframes?
- Do you have Production System Operation experience?
- Have you completed a Certified Information Systems Security Professional (CISSP) certification?
- How many years of System Performance Analysis experience do you have?
- Do you have experience using Build Automation Tools?
- Do you have experience using Test Automation Tools?
Company profile
Asticom Technology Inc is a Philippine-based shared service company under the Ayala conglomerate. As a partner we are focused on providing superior customer experience through the consistent delivery of high-quality responsive services. This is made possible by innovative co-created value-driven solutions that are tailor made to fit the client’s business needs. Asticom provides nationwide services to a multitude of industries including Telecommunications, FinTech, Information Technology, Retail, Health, Logistics, Automotive, Banking, and Real Estate.
We are all about bridging people to businesses. And connecting businesses to the right teams. We work hard to understand what is needed, doing it well - and delivering it with speed.
Our teams are shaped not only to be capable and motivated - but are encouraged to live their lives beyond work. We build careers so our employees can work on their passion. Because we believe that passionate people can create positive change for the future.
OUR DETAILED SERVICES INCLUDE:
Payroll Administration and Management – ASTICOM will be responsible for the overall payroll management of the client's employee. This service includes the implementation of Asticom's very own payroll system.
Outsourcing/Shared Service Model – ASTICOM will enter an engagement with the client wherein Asticom will act as a service provider that will directly manage operations (people, tools of work, productivity, and others).
Staffing Services – ASTICOM will enter an agreement with the client as the principal. Asticom's project employees shall be deployed to the client for the duration if the engagement.
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