Application Administrator (Senior) at Discovery Limited

Key Purpose

The successful candidate will be responsible for implementing and supporting various middleware technologies and ensuring their performance, availability and security as a member of the Life Infrastructure Application team.

Areas of responsibility may include but not limited t

• Day to day maintenance of the Middleware environments
• Responsible for ensuring availability and performance
• To proactively monitor the systems to ensure minimum downtime
• Responsible for the improvement and maintenance of the solutions, including upgrades and security patches.
• Responsible for implementation and release of middleware solutions on-premise and in AWS / OCI / Azure.
• Providing technical middleware and performance advice to development teams
• Middleware capacity management
• General middleware troubleshooting
• Implementation and enforcement of Discovery standards and procedures
• Life Infrastructure standby and shift duties

Essential

Education and Experience

Matric

• BSc Comp Sc/ BSc Info Systems or equivalent tertiary qualification
• The applicant MUST have 5 years experience managing complex solution stacks without direct supervision
• Certification in a middleware j2ee offering. (JBOSS, Weblogic, Websphere)

Advantageous

• Dynatrace APM Experience
• AWS SysOps , DevOps or Associate Architect Certification
• ITIL

Essential

Technical Skills and Knowledge

• Experience in managing
• Experience in configuration and release automation
• Experience in managing complex middleware solutions on native servers and containerized platforms such as Openshift, EKS, Fargate, VMWare Tanzu.
• Experience in monitoring and tuning middleware solutions
• Experience configuring and using automation tooling for the provisioning and management of the entire development and runtime environment.
• (Jenkins, Chef/Puppet/Salt etc, ansible/terraform/cloud formation).

Advantageous

• Advanced troubleshooting skills
• AWS Cloud deployments using S3, EC2, ALB, CloudWatch, EKS , Fargate .

Competencies

Ability to work both independently and participate as a member of a cross-functional team.

• Ability to prioritize and work on multiple tasks simultaneously.
• Strong analytical and problem solving skills.
• Attention to detail
• Solution oriented
• Delivery focused
• Ability to deal with pressure