Security Data Engineer — Build Threat Data Pipelines

Leidos Inc; Adelphi (MD); Hybrid; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a Data Security Engineer to design, optimize, and sustain cybersecurity data pipelines powering DoD defensive operations from a hybrid on-site in Adelphi, Maryland. You will ingest, normalize, enrich, and manage high-volume telemetry within Elastic, Kafka, and CI/CD tooling to support analysts and threat response.

You will collaborate with Detection Engineering and Threat Analysis teams, maintain data models and documentation, and ensure data quality and traceability across

Qualifications

• Bachelor's degree and 4-8 years of relevant experience.
• 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.
• Experience with Elastic Stack, Kafka, Python, Bash, and CI/CD tooling.
• Familiarity with Elastic Common Schema (ECS) or similar cybersecurity data models.
• U.S. Citizenship with an active TS/SCI clearance.

Responsibilities

• Design, maintain, and optimize scalable cybersecurity data ingestion and normalization pipelines.
• Develop transformations and enrichments for diverse security log and telemetry sources.
• Configure and optimize Elasticsearch, Logstash, Kibana, and Fleet for high-volume, high-availability operations.
• Maintain index templates, mappings, schemas, and data models supporting 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 tools.
• Monitor pipeline and indexing performance, troubleshoot data-flow issues, and optimize 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 engineering artifacts.

Skills

Data engineering

Elastic Stack

Kafka

Python

CI/CD

Education

Bachelor's degree

Tools

Elasticsearch

Logstash

Kibana

Fleet

Job description

Leidos is seeking a Data Security Engineer to design, optimize, and sustain cybersecurity data pipelines powering DoD defensive operations from a hybrid on-site in Adelphi, Maryland. You will ingest, normalize, enrich, and manage high-volume telemetry within Elastic, Kafka, and CI/CD tooling to support analysts and threat response.

You will collaborate with Detection Engineering and Threat Analysis teams, maintain data models and documentation, and ensure data quality and traceability across