Security Data Engineer

Lorien; California, Washington (MO, District of Columbia); Hybrid; USD 140,000 - 215,000; Full time

Job summary

Lorien in Orange County, CA (remote eligible in the USA) seeks a Security Data Engineer to design and scale data infrastructure powering security. You will own end-to-end data pipelines, build a centralized data lake, and ensure robust log ingestion across enterprise systems.

The role requires 5+ years in data engineering, strong programming skills, and hands-on experience with cloud deployment, ETL workflows, and security data management. A Top Secret clearance is preferred.

Qualifications

• 5+ years' experience in data engineering, preferably with security initiatives.
• Bachelor's degree in CS, IS, engineering, or related field.
• Familiarity with data lake architectures and security data management practices.
• Experience with ETL tooling in large-scale data environments (Spark, DuckDB, or similar).
• Strong programming in Go, Rust, Java/Scala, etc.
• Experience with infrastructure-as-code tools (Terraform, AWS CDK, Pulumi).
• Experience deploying systems in cloud environments with CI/CD delivery.
• High autonomy and ability to own complex projects end-to-end.
• Experience building high-volume log ingestion/storage pipelines.
• Familiarity with AWS/Azure/GCP security tooling and Iceberg/Delta Lake.

Responsibilities

• Partner with security teams to define data usage standards and improve data discovery.
• Build data pipelines supporting internal security functions.
• Create and maintain a centralized security data lake for company-wide data management.
• Own scalable log aggregation pipelines across enterprise infrastructure and apps.
• Design and implement ETL workflows to ingest, transform, and store security data at scale.

Skills

Data engineering

Security data

ETL pipelines

Cloud environments

CI/CD

Autonomy

Data lake architectures

Education

Bachelor's degree in computer science, information systems, engineering, or related technical field

Tools

Spark

DuckDB

Terraform

AWS CDK

Pulumi

Java/Scala

Go

Rust

Iceberg

Delta Lake

Job description

Security Data Engineer (BBBH2324215) Orange, California

Salary: USD140000 - USD215000 per annum

Title: Security Data Engineer
Location: Orange County, CA, Washington, DC, or fully remote (USA)
Pay: $140,000 - $215,000/year, depends on experience level
Type: Full time, Direct Hire
About the Team:
Lorien has an exciting opportunity for a Security Data Engineer to join our Defense Technology customer on a direct hire basis. In this role, you'll help build and evolve the data infrastructure that powers our security function & enables the business, empowering access across our teams as they protect mission-critical systems. The ideal candidate brings 5+ years of relevant experience, is comfortable making independent decisions and using sound judgment without heavy oversight, and will enjoy being trusted to steer complex, ambiguous projects from the ground up.

• Partner with internal security teams to define data usage standards and improve search and discovery across security datasets
• Build out data pipelines that support every internal security function.
• Build and maintain a centralized security data lake to support unified, company-wide security data management
• Own the design and buildout of scalable log aggregation pipelines across enterprise infrastructure and applications
• Design and implement ETL workflows to ingest, transform, and store security data at scale

Qualifications:

• 5+ years' overall relevant data engineering experience, ideally with experience executing on security related initiatives
• Bachelor's degree in computer science, information systems, engineering, or related technical field
• Familiarity with data lake architectures and security data management best practices
• Hands-on experience with ETL tooling in large-scale data environments (Spark, DuckDB, or similar)
• Strong programming ability in one or more general-purpose languages (Go, Rust, Java/Scala, etc.)
• Working knowledge of infrastructure-as-code tooling (Terraform, AWS CDK, Pulumi) in a production capacity
• Experience deploying and maintaining systems in cloud environments, including CI/CD-based delivery
• High degree of autonomy, with a track record of owning complex, ambiguous projects end-to-end
• Experience building high-volume log ingestion and storage pipelines
• Familiarity with AWS, Azure, or GCP-native security tooling and ecosystems
• Experience supporting varied access patterns across differently formatted data stores (beyond Splunk)
• Exposure to open table formats such as Iceberg or Delta Lake
• Must be eligible to obtain and maintain a U.S. Top Secret security clearance