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Senior Systems Administrator at Centorrino Technologies | Canberra

Centorrino TechnologiesCanberra, Australian Capital Territory, Australia
On-site Contract

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Experience Level

Senior

Qualifications

Key Responsibilities:Facilitate the delivery and ongoing operation of a secure, high-availability Linux and AWS platform. Administer, maintain, and monitor Red Hat Enterprise Linux systems, including patching, configuration, performance tuning, and troubleshooting. Oversee AWS infrastructure management including EC2, Lambda, S3, backup services, workloads, and security controls. Implement and uphold security measures that align with organizational policies and Essential Eight practices. Develop and refine automation and orchestration workflows using Ansible and Semaphore. Monitor system health and performance using tools such as Grafana and the ELK stack to support incident response activities. Document technical processes per organizational standards and contribute to knowledge sharing within the team. Assist with continuous improvement by enhancing operational procedures and supporting process optimizations. Provide support for secure government environments ensuring compliance with ASD and Defence security policies and change management requirements. Administer and support Apache NiFi clusters including configuration, data flow management, and troubleshooting (desirable). Support database administration and tuning activities for MySQL and DynamoDB (desirable).

About the job

Join Centorrino Technologies: Innovate, Grow, and Thrive with Us!

At Centorrino Technologies (CT), we’re more than just a tech company, we're a vibrant community dedicated to exceeding expectations. Proudly recognized as a Great Place to Work for 2024-2025 and one of Australia's Best Places to Work for Medium & Large Size companies in 2025, we boast an impressive eNPS score of 68. Our mission is to transform the customer experience, and we are looking for a dedicated Senior Systems Administrator to enhance our Professional Services team in Canberra.

In this pivotal role, you will be responsible for ensuring the delivery and ongoing functionality of a secure, high-availability platform across Linux and AWS environments. You'll engage in system administration, security implementation, automation, and performance monitoring, with a strong emphasis on reliability, stability, and compliance. The ideal candidate will possess substantial expertise in Red Hat Linux, AWS services, and automation tools such as Ansible. Familiarity with Apache NiFi, security practices aligned with the Essential Eight, and database administration (MySQL/DynamoDB) will be considered advantageous.

Applicants should be ready to undergo a suitability assessment process, which includes a questionnaire and interview. NV2 clearance is mandatory for this position.

This is a contract role for 12 months.

About Centorrino Technologies

Centorrino Technologies is committed to innovation and excellence in technology solutions, fostering a collaborative and supportive environment for our team members. We are dedicated to redefining customer experiences and providing top-notch services in the tech industry.

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