Applications Close Date: ***Tuesday, 16 June 2026***

Estimated start date:  01 July 2026

Location of work: QLD, ACT, VIC, NSW, SA

Working arrangements: Hybrid, Flexible working arrangements are available, subject to approval

Length of contract: Up to 30 June 2027, plus 2 x 12 month extension options

Security clearance: Must be able to obtain Baseline before commencement

The Senior Pega & AWS Infrastructure Engineer will be responsible for the platform and systems administration of the Pega Platform, Pega Cloud Platform, and related AWS infrastructure and ancillary services.

Technical Skills Required:

• Demonstrated experience and knowledge of cloud infrastructure, particularly AWS, and middleware technologies including WebSphere Application Server Suite, Apache Tomcat, and web servers, together with the administration and support of Pega platforms.

• Experience administering, managing, and supporting Pega Platform environments, including platform configuration, maintenance, monitoring, and troubleshooting.

• Working knowledge of Red Hat Linux, IBM MQ, PostgreSQL, and UNIX scripting (Bash and Perl) is highly desirable.

• Strong understanding of enterprise application infrastructure, system integration, and platform operations within complex environments.

Essential Criteria

1. Demonstrated experience designing, implementing, and supporting enterprise solutions across a range of technologies, including AWS, IBM WebSphere Application Server Suite, Apache Tomcat, web servers, Red Hat Linux, IBM MQ, PostgreSQL, and UNIX-based environments.

2. Proven experience administering and supporting both cloud-based and on-premises infrastructure environments, ensuring high availability, performance, and operational stability.

3. A minimum of three (3) years' hands-on experience as an AWS Cloud Engineer, Site Reliability Engineer (SRE), or in a comparable role within a commercial or SaaS-based environment.

4. Extensive expertise in designing, deploying, and managing scalable AWS cloud infrastructure and services, including but not limited to PrivateLink, Simple Email Service (SES), Route 53, CloudFront, Elastic Load Balancing (ELB/ALB/NLB), VPC networking, IAM, S3, EC2, ECS, EKS, RDS/Aurora, Lambda, and CloudWatch.

5. Experience operating within mature IT Service Management (ITSM) frameworks, including Incident, Problem, Change, and Service Request Management processes.

6. Demonstrated experience providing business-as-usual (BAU) operational support for enterprise-scale platforms, working effectively with a diverse range of business and technical stakeholders to ensure service continuity and continuous improvement.

How to Apply  
Does this role sound perfect for you? If so, Apply Now AND send email to adm••@orionps.com.au