We are seeking an experienced Senior System Administrator to provide technical leadership and support in a complex enterprise environment. The successful contractor will have strong experience in Unix Solaris and RedHat Linux environments, enterprise hosting, and database administration, while also performing 2IC duties and mentoring a small team.
Key Responsibilities
* Lead and manage a small team of system administrators (2IC function)
* Administration of Solaris Virtual Platforms (Logical Domains, Containers) and RedHat Linux (including Docker/Podman virtualisation)
* Proactive monitoring of servers and services, capacity planning, and server build/configuration
* Administration of Oracle, Ingres, PostgreSQL database platforms
* Administration of Middleware Tuxedo and Web Server environments
* Perform periodic disaster recovery testing, backup, and recovery
* Manage hardware upgrades, software licensing, and maintenance renewals
* Configure and administer Puppet Enterprise and RedHat Satellite
* Provide technical advice and hosting solutions to clients
* Maintain quality documentation and reporting
* Assist with other aspects of Application Hosting – Unix services as directed
* Demonstrated experience providing Application Hosting – Unix (AHU) services for large corporate Solaris and RedHat systems
* Strong technical leadership skills and experience managing small teams
* Self‑motivated, enthusiastic, and results‑oriented with excellent interpersonal skills
* Experience in vulnerability scanning, capacity planning, and proactive system monitoring
* Ability to provide detailed oral and written technical advice to clients
Essential Qualifications / Certifications / Skills
* Oracle Certified Professional
* Solaris 10, 11.4 and RedHat Linux System Administration 7,8,9
* Solaris (SVP) environment and RedHat Linux virtualisation (VMware) (Logical Domains and Containers)
* Unix Shell scripts, PERL, PHP, Bash, and other relevant scripting languages
* Oracle Database platform administration (v11, v12, v18, v19c and v21c)
* Cloud Linux IaaS and PaaS
* Installation and management tool sets for both Linux and Solaris environments including cloud platforms.
* Installation and administration of Puppet enterprise for Solaris and Satellite for Linux, Centos 8, RH 8 & 9. Providing high availability, managing Puppet configuration, integration and scripting across these environments, including Orchestrating Puppet, tasks and plans.
* With Ingres, PostgreSQL, and Oracle Database System Administration
* Apache Tomcat Administration (v 10 and v 11)
* Oracle WebLogic Administration (v14.1.2)
* AWS and Azure Architecture, System operations, including servers builds and associated tool sets across theses cloud environments.
* Good working knowledge of VMware
* Good working knowledge of storage, NAS, SAN, Backup, Network, and Security infrastructure
* Specialist knowledge in Cloud platforms, services, and products in particular ( AWS and AZURE)
* Oracle SPARC server fleet
* Oracle Tuxedo Administration (V22.1.0.0.0)
* Nagios (v 4.4.8) Administration
Highly Desirable Qualifications / Certifications / Skills
Relevant tertiary qualifications in Information Technology, Computer Science, Information Systems or related field, or equivalent experience.
**********@mtr.com.au or apply directly below
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