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Leidos

Data Security Engineer

Leidos
Adelphi, MD $87k - $157k/yr Full time Posted 22d ago
Data Ingestion Data Integration Data Pipeline Data Pipelines Data Processing Data Security Elasticsearch Information Security InfoSec Kafka Kibana Logstash Security Security Operations Stream Processing
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Job Description

Leidos is seeking a Data Security Engineer (hybrid) in Adelphi, MD to build and sustain cybersecurity data pipelines that support defensive cyber operations. The role focuses on ingesting, normalizing, enriching, and managing high-volume security telemetry within Elastic and automating related workflows across Elastic, Kafka, and CI/CD environments.

Responsibilities

  • Design, maintain, and optimize scalable cybersecurity data ingestion and normalization pipelines.
  • Develop data transformations and enrichments for diverse security log and telemetry sources.
  • Configure and optimize Elasticsearch, Logstash, Kibana, and Fleet to support high-volume, high-availability operations.
  • Maintain index templates, mappings, schemas, and data models used for analytics and detection logic.
  • Implement data validation, deduplication, and quality controls to ensure data integrity.
  • Automate ingestion, transformation, and engineering workflows using Python, Bash, and related tooling.
  • Monitor pipeline and indexing performance, troubleshoot data-flow issues, and improve throughput, storage, and query performance.
  • Maintain traceability and troubleshoot dependencies across Kafka, Elastic, and CI/CD tooling.
  • Partner with Detection Engineering, Threat Analysis, Endpoint, and other cyber teams to support operational requirements.
  • Maintain technical documentation, SOPs, and other engineering artifacts.

Requirements

  • Bachelor’s degree and 4–8 years of relevant experience, or additional experience may substitute in lieu of degree.
  • 3+ years of data engineering, data analysis, cybersecurity data engineering, or related experience.
  • Experience with data ingestion, transformation, normalization, or high-volume data-processing pipelines.
  • Hands-on experience with Elastic Stack components and related technologies, including Elastic, Kafka, Python, Bash, and CI/CD tooling.
  • Familiarity with Elastic Common Schema (ECS) or similar cybersecurity data models.
  • Required DoD 8570/8140-aligned and CSSP Analyst certifications, as applicable to the position.
  • U.S. Citizenship with an active TS/SCI clearance.
  • Strong written and verbal communication skills.

Technologies

  • Elastic, Elasticsearch, Logstash, Kibana, Fleet
  • Elastic Common Schema (ECS)
  • Kafka
  • Python, Bash
  • CI/CD

Preferred Qualifications

  • Experience onboarding and normalizing high-volume cybersecurity telemetry and log sources.
  • Experience with Kafka, Python/Bash automation, CI/CD, or DevSecOps practices.
  • Experience supporting AWS, Azure, GCP, Oracle Cloud, hybrid-cloud, or multi-cloud environments.
  • Knowledge of cybersecurity operations, including SIEM, threat detection, incident response, and security monitoring.
  • Experience supporting a DoD CSSP, SOC, or other large-scale defensive cyber operations environment.
  • Strong troubleshooting skills across complex data pipelines and interconnected systems.

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement

Role Details

  • Location: Adelphi, MD (hybrid)
  • Minimum experience: 3 years
  • Education: Bachelor’s degree
  • Salary range: USD 87,100 - 157,450 per year
  • Pay range: $87,100.00 - $157,450.00
  • Original posting: August 13, 2026

Securing Your Data

  • Leidos will never ask you to provide payment-related information during any part of the employment application process.
  • Leidos will only communicate with you through emails generated by the Leidos.com automated system.
  • If you receive an email purporting to be from Leidos that asks for payment-related information or other personal information, email [email protected].
  • If you believe you are the victim of a scam, contact 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.

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