Job Title: Infrastructure System Admin
Location: Toronto, Ontario
Mode: Contract
Key Responsibilities:
- Lead the design, implementation, and maintenance of complex IHS and WAS environments, including clustered and highly available configurations.
- Develop and enforce middleware standards, policies, and procedures.
- Provide expert-level troubleshooting and problem resolution for critical middleware issues.
- Lead performance tuning and optimization efforts to ensure optimal application performance.
- Design and implement security architectures for IHS and WAS environments, including authentication, authorization, and encryption.
- Plan and execute middleware upgrades, patching, and migrations.
- Automate middleware administration tasks using advanced scripting and automation tools.
- Collaborate with development, infrastructure, security, and architecture teams to define and implement middleware solutions.
- Mentor and provide technical guidance to junior middleware administrators.
- Participate in on-call rotation and provide after-hours support as needed.
- Evaluate and recommend new middleware technologies and tools.
- Lead capacity planning and performance monitoring initiatives.
Qualifications:
- Bachelor’s degree in computer science or a related field.
- Extensive experience (7+ years) as a Middleware Administrator, with a strong focus on IHS and WAS.
- Expert-level knowledge of IHS and WAS architectures, configuration, and administration.
- Proven experience designing and implementing high-availability and disaster recovery solutions for IHS and WAS.
- Deep understanding of security principles and best practices for middleware environments.
- Strong scripting and automation skills (e.g., Python, Jython, Ansible).
- Experience with monitoring and performance tuning tools (e.g., Dynatrace, AppDynamics, New Relic).
- Excellent troubleshooting and problem-solving skills.
- Strong communication and interpersonal skills.
- Experience with Linux operating systems.
- IBM Certified System Administrator - WebSphere Application Server Network Deployment or similar certification is highly desirable.
