Accenture Federal Services is seeking a Database Engineer with Accumulo experience to join our team and support our client in San Antonio, TX. You will be a hands-on Database Engineer/Administrator specializing in Apache Accumulo within a distributed big data ecosystem. This role is critical to the sustainment, performance, security, and modernization of the customer's data platform. We are looking for a specialist fluent in Accumulo internals, HDFS, Zookeeper, YARN, and secure, large scale distributed data environments. What you'll do: Accumulo Administration & Engineering • Manage, configure, and optimize Accumulo clusters, including tservers, master, monitor, and garbage collector services. • Perform and tune Accumulo compactions, flush operations, and table-level maintenance routines. • Engineer, configure, and validate Accumulo tables, iterators, splits, security labels, and performance settings (tablet distribution, bloom filters, tserver configurations). • Troubleshoot and resolve complex Accumulo server errors, iterator issues, classloader problems, and runtime exceptions. Distributed System Architecture • Configure and optimize the supporting Hadoop ecosystem, including HDFS, Zookeeper, and YARN, ensuring tightly paired but properly decoupled management where feasible. • Evaluate and tune distributed file system architecture for enterprise-scale ingestion, analytics, and storage workloads. Security & Cell-Level Access Control • Implement and maintain Accumulo's cell-level security and read-path enforcement (Standard Read vs. Full Access modes). • Ensure strict compliance with CUI, TS/SCI, and cross-domain security requirements for data at rest and in motion. Backup, Recovery, and Sustainment • Manage Accumulo-level and HDFS-level backup processes, automated backup directories, and restore procedures. • Work with multi-environment (NIPR/SIPR/JWICS) deployments following enterprise sustainment and modernization expectations. Operational Diagnostics & Continuous Improvement • Analyze Accumulo logs and metrics to troubleshoot ingest failures, iterator misconfigurations, ZK/YARN dependencies, and scaling constraints. • Collaborate with engineering teams on evaluating modernization options and improving architectural resilience. What you'll need: • 5 years of experience working with distributed data systems and/or large-scale storage technologies • Experience with Accumulo and/or Hadoop and/or Zookeeper • DoD 8140 compliance (e.g. Security+, CISSP, CASP, etc.) or ability to obtain within 6 months Bonus points if you have: • Experience with distributed systems architecture, data migration, and consolidation projects • Understanding of platform reliability and operational best practices Clearance: Must have an active TS/SCI level clearance #clearancejobs #LI-Defense As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland. The base pay range for this position in these locations is shown below. Compensation for roles at Accenture Federal Services varies depending on a wide array of factors, including but not limited to office location, role, skill set, and level of experience. Accenture Federal Services offers a wide variety of benefits. You can find more information on benefits here. We accept applications on an on-going basis and there is no fixed deadline to apply. The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $86,400-$176,200 USD