SRE Cyber Tools - Splunk Admin

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About the Role:

Leidos is seeking a Site Reliability Engineer (SRE) Splunk Enterprise Administrator focused on Cyber support the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) program, the Leidos team delivers the core backbone of the Navy-Marine Corps Intranet, including cybersecurity services, network operations, service desk, and data transport. Leidos supports the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network.

As part of the SRE organization you will develop and execute tests focused on system resilience, performance underload, and failure scenarios. You will also work in tandem with other Site Reliability Engineers (SREs) and development teams to create automated testing frameworks that simulate real-world conditions that validate system behavior under normal and stress conditions, ensuring our services are resilient and meet established service level objectives (SLOs).

The SRE will support the operations and maintenance of the enterprise network. Your work will contribute to the development of robust and scalable services that operate reliably in production.

The Splunk Enterprise Administrator supports mission-critical cybersecurity operations by administering and maintaining distributed Splunk Enterprise platforms across hybrid cloud and on-premises environments. The role is responsible for daily platform operations, performance and ingestion monitoring, data onboarding support, incident troubleshooting, security compliance, documentation, and modernization activities in an Agile/Dev Ops operating culture.

• Improved system reliability, as measured by adherence to Service Level Objectives (SLOs) and reduced Mean Time to Recovery (MTTR).
• Comprehensive and regularly updated automated test coverage for all critical systems and infrastructure components.
• Timely identification and resolution of performance bottlenecks and failure points.
• Integration of automated testing into the CI/CD pipeline, ensuring continuous reliability validation.
• Increased scalability and performance of systems under high load due to effective performance testing.

• Administer, maintain, and perform daily Operations and Maintenance (O&M) for distributed Splunk Enterprise environments, including Search Heads, Indexers, Heavy Forwarders, Intermediate Forwarders, Universal Forwarders, and Deployment Servers across hybrid cloud and on-premises infrastructure.
• Monitor platform health, data ingestion, indexing throughput, search performance, and retention utilization; troubleshoot data onboarding, parsing, field extraction, forwarding, indexing, and ingestion issues.
• Support Splunk Cloud integrations and associated hybrid operational activities.
• Maintain Splunk applications, dashboards, alerts, saved searches, and knowledge objects.
• Support patching, vulnerability remediation, Security Technical Implementation Guide (STIG) compliance, and system hardening activities.
• Support platform upgrades, migrations, infrastructure modernization, technology refresh, and automation initiatives using scripting and configuration-management tools.
• Participate in incident response, outage troubleshooting, problem resolution, and root cause analysis.
• Maintain operational documentation, architecture diagrams, runbooks, and standard operating procedures (SOPs), and coordinate with cybersecurity, network, server, engineering, and customer teams during operational and modernization activities.
• Participate in after-hours support and an on‑call rotation as required.

• Requ…