High Availability Loki Setup in K8s -- 2

I'm looking for a skilled Kubernetes expert who can deploy a high availability Loki setup in my K8s cluster using helm charts. The solution should ensure data persistence in S3 and be hooked up to argoCD for continuous deployment.

Key Requirements:
- Deploying a high availability Loki setup.
- Using helm charts for deployment.
- Ensuring data persistence in S3.
- Deploy ingress-controller
- the cluster should expose an endpoint so that the log agent which is deployed outside the scope of k8s cluster can send logs to the loki
- Hooking up the solution to argoCD.

Access Control:
- Implementing OAuth integration for access control.

Alerting System Integration:
- Integrating with PagerDuty and Slack for alerting.

Ideal Skills:
- Extensive experience with Kubernetes and helm charts.
- Knowledge in setting up data persistence in S3.
- Familiarity with argoCD.
- Experience with OAuth integration.
- Previous work integrating with PagerDuty and Slack.

This project requires a professional who can deliver a robust, scalable and secure logging system. Your expertise in Kubernetes is key to the success of this project.