Senior/Expert HA/Clustering Engineer (PostgreSQL + Pacemaker) Contract: 2 weeks (likely extension)
Location: Onsite (details on request)
Start: Immediate
We are seeking an experienced HA/Clustering Engineer to support the implementation of a high availability PostgreSQL cluster using Pacemaker on RHEL9/Linux environments. This is a short-term contract opportunity for a senior specialist who can provide hands-on expertise and guide project delivery.
Key Responsibilities
* Design, configure, and support high availability clustering with Pacemaker and PostgreSQL.
* Manage hot standby promotion using OCF and asynchronous WAL replication to multiple replicas.
* Implement fencing (IPMI/virsh) in VM-based (non-container) environments.
* Configure and support RabbitMQ with HA queues (or similar message queue systems).
* Troubleshoot, optimise, and ensure reliable failover and recovery processes.
Key Skills & Experience
* Deep expertise in RHEL9/Linux environments.
* Proven track record in PostgreSQL HA & replication.
* Strong hands-on experience with Pacemaker clustering and resource management.
* Knowledge of fencing mechanisms (IPMI/virsh).
* Familiarity with RabbitMQ HA queues or equivalent.
* Strong problem-solving and troubleshooting skills.
* Available for immediate start.
What We Offer
* Competitive daily rate.
* Immediate engagement on a high-impact project.
* Opportunity to shape HA design and provide technical leadership.
?? If you are available and have the expertise required, please apply today with your CV and availability details.
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