Data Architect Job at R Systems, Sacramento, CA

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  • R Systems
  • Sacramento, CA

Job Description

**** Public Sector Experience Preferred ****

**** Healthcare Experience Preferred ****

We are seeking an experienced Data Architect with deep expertise in NoSQL database platforms , specifically MongoDB and/or Apache Cassandra , deployed and managed on AWS Cloud . This role will lead the design, architecture, and modernization of highly scalable, distributed data platforms supporting mission-critical, high-throughput applications.

Key Responsibilities

  • Lead the architecture, design, and implementation of NoSQL data platforms using MongoDB and/or Cassandra on AWS Cloud.
  • Design highly available, fault-tolerant, and horizontally scalable data architectures for large-scale, low-latency workloads.
  • Architect cloud-native data solutions leveraging AWS services such as EC2, EKS, S3, IAM, CloudWatch, and networking components.
  • Define data modeling strategies optimized for NoSQL systems, including schema design, partitioning, indexing, and replication.
  • Establish performance tuning, capacity planning, backup, disaster recovery, and high-availability strategies for NoSQL databases.
  • Lead database modernization initiatives, including migration from relational or legacy platforms to NoSQL architectures.
  • Define and enforce data security, encryption, access control, and compliance standards across cloud-hosted data platforms.
  • Partner with application, DevOps, and security teams to ensure end-to-end architectural alignment.
  • Develop architecture standards, reference designs, and best practices for NoSQL and cloud-based data platforms.
  • Provide technical leadership, design reviews, and guidance to engineering teams.

Required Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
  • 8+ years of experience in data architecture, database engineering, or distributed data platform roles.
  • Strong hands-on experience with MongoDB and/or Apache Cassandra , including cluster design and operations.
  • Proven experience hosting and managing NoSQL databases on AWS Cloud .
  • Deep understanding of NoSQL data modeling, consistency models, sharding, replication, and CAP trade-offs.
  • Experience with AWS infrastructure services (EC2, VPC, IAM, S3, CloudWatch).
  • Strong knowledge of database performance tuning, scalability, and resiliency patterns.
  • Experience designing secure, compliant data platforms in regulated or enterprise environments.
  • Excellent communication and stakeholder collaboration skills.

Preferred Qualifications

  • Experience with MongoDB Atlas on AWS or Amazon Keyspaces (Cassandra-compatible) .
  • Hands-on exposure to Kubernetes (EKS) and containerized database deployments.
  • Knowledge of event-driven architectures and streaming platforms (Kafka, Kinesis).
  • AWS certifications (Solutions Architect, Data Analytics, or Database Specialty).
  • Experience supporting public sector, government, or highly regulated environments.

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