Senior Splunk Engineer

Leidos has an immediate need for a Splunk Engineer SME for a new customer on a highly-visible and strategic Cybersecurity Task Order. The Splunk Engineer SME will install and maintain Splunk infrastructure, gather requirements from customers, onboard data, and assist end users with searches, dashboards, reports, and knowledge objects. The Splunk Engineer SME may be required to interact with senior management, as necessary. Conceptualize, design, build, and maintain current and future customer-supported tools and platforms Manage multiple assignments, changing priorities, and work independently with little oversight Develop data storage, access, and retention strategies for a large IT enterprise using industry standards and best practices to advise Customer executive-level stakeholders Design, build, implement, and administer Splunk infrastructure in on-prem and cloud environments. Create, manage, and support automation solutions for Splunk deployment and orchestration in on-prem and cloud environments Work with existing and custom Splunk applications and add-ons to fulfill customer needs Provide overall engineering and design support for a distributed Splunk environment consisting of heavy forwarders, indexers, and search head servers, spanning security, performance, a operational roles Onboard data to Splunk via forwarder, scripted inputs, TCP/UDP, and modular inputs from various sources Normalize data to ensure CIM compliance, and develop data models to accelerate queries, dashboards, and correlation searches Work closely with all relevant stakeholders to solve technical problems at the network, system, and application levels Conduct periodic architectural reviews of Splunk and related systems to assess effectiveness and propose optimal installation alternatives as required Develop and manage comprehensive documentation, artifacts, procedures, and processes for the optimal management of the Splunk infrastructure Basic Qualifications: Bachelor's Degree and 12-15 years of experience in system administration, database administration, network engineering, software engineering, or software development, with a concentration in Cybersecurity . Additional years of experience and Cyber certifications may be considered in lieu of a degree.12-15 years of experience with Linux and Windows system administration or an expert understanding of operating systems and common operating environments Ten (10) years of experience with Splunk in distributed deployments Current Splunk Enterprise Certified Architect certification Excellent written and oral skills, ability to work closely with multiple customers, manage expectations, and track engagement scope Experience implementing FISMA, NIST, NSA, and other information security, cybersecurity and CDM-related industry policies, procedures, guidelines, standards, and best practices Expert-level knowledge and ability with Splunk Enterprise Security or integration with other Security Information and Event Management (SIEM) platforms Extensive experience with advanced configuration of Splunk including Indexer Clustering and Search Head Clustering Proficient at data on-boarding activities including routing, parsing, and normalizing events to the Splunk Common Information Model (CIM) Proficiency onboarding data using Splunk-developed add-ons for Windows, Linux, and common third-party devices and applications Experience onboarding data into Splunk via forwarder, scripted inputs, TCP/UDP, and modular inputs from a variety of sources Proficiency managing Splunk using the Splunk command-line interface Proficiency managing Splunk using configuration files Experience collaborating with separate engineering teams to configure data sources for Splunk integration Intermediate understanding of SQL and common SQL dialects Proficiency implementing and onboarding data in Splunk DB Connect Experience with Splunk performing systems administration, including performing installation, configuration, monitoring system performance and availability, upgrades, and troubleshooting General networking and security troubleshooting (firewalls, routing, NAT, etc.) Splunk architecture/design, implementation, and troubleshooting experience Experience in managing, maintaining, and administering multi-site indexer cluster Proficiency developing log ingestion and aggregation strategies per Splunk best practices Perform integration activities to configure, connect, and pull data with 3rd party software APIs Experience implementing and optimizing Splunk data models Proficient in regular expressions Scripting and development skills (Bash, Python, or PowerShell) Ability to autonomously prioritize and successfully deliver across a portfolio of projects Department of Homeland Security ESOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program Preferred Certifications (one or more of the following): Splunk Certified Consultant, Splunk Certified Architect, CASP, GCWN, GISF, GSSP, GICSP, CCNP, CCNP Security, CCIE Security, CEH, ENSA, ECSP, MCSE, VCP, BCAP, VCIX, VCDX, RHCA, RHCE If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:April 27, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $131,300.00 - $237,350.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: Arlington, VAType: Full time