Splunk Enterprise and Enterprise Security Administrator

Leidos LLC; Suitland (MD); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a skilled Splunk engineer to administer enterprise security platforms and integrate data sources across the CND framework. You will manage CIM compliance, create and tune dashboards, and support RMF-related tasks in a fast-moving environment.

You will onboard new data sources, ensure data quality and normalization, and assist incident response, threat hunting, detection engineering, and content governance.

Qualifications

• Bachelor’s degree in CS/IT/IA or related with 8+ years experience or a Master’s degree with 6+ years experience.
• Active TS/SCI security clearance.
• Demonstrated experience supporting Computer Network Defense (CND) operations and technologies.
• 6+ years professional experience in Splunk, Splunk Add-ons and Apps, and Splunk TA and Universal Forwarder installation, integration, configuration, administration, maintenance, and performance of RMF functions.
• Deep experience with Splunk Enterprise/ES, search processing language (SPL), CIM mapping, dashboards, and Linux administration.
• Experience supporting SOC workflows and SIEM tuning.

Responsibilities

• Administer Splunk Enterprise, Enterprise Security, CIM compliance, correlation searches, RBAs, dashboards, and data models.
• Onboard new data sources and ensure quality, parsing, and normalization.
• Support incident response, threat hunting, detection engineering, and content governance.
• Produce operational reports, posture summaries, dashboards, and detection documentation.

Skills

TS/SCI clearance

Splunk

Incident response

Threat hunting

SOC workflows

SIEM tuning

Education

Bachelor’s degree in CS/IT/IA or related

Master’s degree in related field

Tools

Splunk Enterprise

Splunk Add-ons and Apps

Splunk TA

Universal Forwarder

Linux administration

Job description

Primary Responsibilities

• Administer Splunk Enterprise, Enterprise Security, CIM compliance, correlation searches, RBAs, dashboards, and data models.
• Onboard new data sources and ensure quality, parsing, and normalization.
• Support incident response, threat hunting, detection engineering, and content governance.
• Produce operational reports, posture summaries, dashboards, and detection documentation.

Required Qualifications

• Bachelor’s degree in CS, IT, IA or a related area with 8+ years of experience or a Master’s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• Active TS/SCI security clearance.
• Demonstrated experience supporting Computer Network Defense (CND) operations and technologies.
• 6+ years professional experience in Splunk, Splunk Add-ons and Apps, and Splunk TA and Universal Forwarder installation, integration, configuration, administration, maintenance, and performance of RMF functions.
• Deep experience with Splunk Enterprise/ES, search processing language (SPL), CIM mapping, dashboards, and Linux administration.
• Experience supporting SOC workflows and SIEM tuning.

Required Certifications

• DoD 8570 CSSP Infrastructure Support certification category (e.g., CEH, CySA+, CASP+, CISSP).

NITESONI DABAOPP1

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: September 9, 2026

For 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 $107,900.00 - $195,050.00

The 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.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.