Splunk Enterprise and Enterprise Security Administrator

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

Job summary

Leidos is seeking a Splunk Enterprise and Enterprise Security Administrator to maintain the NAVINTEL SIEM environment, engineer detection logic, develop dashboards, and support SOC operations in Suitland, MD.

The role requires an Active TS/SCI clearance and extensive experience with Splunk Enterprise/ES, CIM mapping, and Linux administration. You will onboard data sources, collaborate on incident response, and produce operational reports to strengthen defensive postures.

Qualifications

• Bachelor's degree in CS, IT, IA or related area with 8+ years of experience or a Master's degree with 6+ years of 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

Security clearance TS/SCI

Splunk administration

CIM mapping & dashboards

SPL & data models

Linux administration

SOC workflows

SIEM tuning

Incident response & threat hunting

Education

Bachelor's degree in CS/IT/IA

Master's degree in a related field

Tools

Splunk Add-ons & Apps

Splunk TA & Universal Forwarder

Job description

Description

Splunk Enterprise and Enterprise Security Administrator

Location: Suitland, MD

Clearance Required: Active TS/SCI

Leidos is seeking a Splunk Enterprise and Enterprise Security Administrator to maintain the NAVINTEL SIEM environment, engineer detection logic, develop dashboards, and support SOC operations to support our customer in Suitland, MD.

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 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).

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 onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.