DWS are looking for an experienced Senior Engineer with deep expertise in Elasticsearch / OpenSearch to support one of our clients. This role will focus on uplifting the design, configuration, resilience, and performance of an AWS-hosted OpenSearch cluster (Elasticsearch 7.10) that underpins core enterprise applications.
If you enjoy solving complex data / search challenges, optimising large-scale clusters, and guiding teams towards best‐practice patterns, this is the perfect opportunity to make a real impact.
Details
Where: Melbourne CBDType: ACN Contractor OR Max TermStart: ImmediateLength: 3+ monthsStyle: Hybrid; 3+ days onsiteSalary: up to $1000 per day, or annual salary equivalent
Essential Skills & Experience
* Expert level hands-on experience with Elasticsearch 7.x and/or OpenSearch 1.x/2.x
* Deep knowledge of index / mapping design, shard strategy, query optimisation, cluster scaling, and performance tuning
* Proven experience managing production search clusters in AWS, preferably using Amazon OpenSearch Service
* Understanding of VPC design, security groups, IAM, KMS, EBS storage performance, and multi‐AZ architectures
* Experience developing and maintaining Infrastructure as Code using Terraform and/or AWS CDK
* Strong communication and stakeholder engagement skills.
* Ability to work collaboratively with cross-functional teams, including developers, SREs, and enterprise security.
* Analytical mindset with a passion for problem‐solving and system optimisation.
Desirable
* Exposure to .NET applications interacting with Elasticsearch/OpenSearch.
* Experience with ILM/ISM, snapshot/restore, cross‐cluster replication/search, and blue/green cluster deployments.
* Background in SRE, DevOps, or platform engineering in cloud environments.
What You'll Be Doing
* Platform Assessment & Optimisation: Review existing Elasticsearch/OpenSearch data models, index structures, and query patterns to identify optimisation opportunities.
* Analyse cluster configuration, node roles, JVM settings, shard design, and storage choices, and implement improvements to uplift performance and reliability.
* Establish and refine monitoring, alerting, and health metrics across CloudWatch and OpenSearch Dashboards.
Resilience & Best Practice Uplift
* Recommend and implement changes to align the service with enterprise standards for security, resilience, and operational excellence.
* Ensure the platform meets best practices for encryption, IAM integration, network design, backup/restore, and multi‐AZ availability.
Platform Modernisation
* Develop a currency roadmap, including upgrade planning, reindexing strategy, schema evolution, and migration to supported OpenSearch versions.
* Assist with designing a replication or migration approach to move the cluster into a secure enterprise Landing Zone (LZ).
Enablement & Knowledge Transfer
* Produce clear documentation, runbooks, standards, and operational guidance.
* Provide training and support to internal teams, enabling them to maintain and evolve the search platform over time.
About Us: Since 1991, DWS has been helping organisations across Australia reimagine what's possible through technology, business, and management consulting. With offices in Melbourne, Sydney, Adelaide, Brisbane, and Canberra, our 300+ locally based consultants bring deep expertise and fresh thinking to every project. We deliver end-to-end solutions spanning IT consulting, Staff Augmentation, Managed Delivery, Data & Analytics, Cloud, AI and Automation. Our strength lies in our people; each consultant is carefully selected for their expertise, creativity, and commitment to excellence. Together, we deliver impactful solutions that drive innovation, efficiency, and long-term value. At DWS, we don't just meet expectations - we redefine them.
Applicants must hold Australian Citizenship, Permanent Residency (PR), or other permanent work rights - DWS are unable to sponsor or support visas.
DWS encourages applications from Aboriginal and Torres Strait Islander peoples.
Ready for a new challenge? Click APPLY now! www.dws.com.au
No agencies please - our in-house talent acquisition team have this covered.
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