Software Engineer, Data Engineer

Software Engineer – ETL Developer (TS/SCI clearance)

Location:

Bethesda, MD
Core

Hours:

9:00 am – 4:00 pm

Labor Category:
Software Engineer

Position Title:

ETL Developer
Position Level: Level 3 – Senior
Salary:
Up to $170,000 per year

Employment Type:

Contract

Position requires a Top Secret (TS/SCI) clearance with a polygraph. This role supports a complex program by providing Agile development, operations, and maintenance for critical systems in a Dev Ops framework. The developer will design, develop, test, and maintain enterprise data‑flow solutions using Apache NiFi, ensuring high performance, scalability, and security across large‑scale environments.

• Design, implement, and maintain complex NiFi data pipelines for large‑scale data ingestion, transformation, and processing.
• Optimize NiFi data flows, including processor tuning, memory management, and load balancing for batch and real‑time processing.
• Troubleshoot and resolve NiFi data‑flow issues, including performance bottlenecks, data discrepancies, and integration failures.
• Integrate NiFi with databases, big data ecosystems, and cloud platforms (AWS, OCI, Azure) and related services (Kafka, Elasticsearch, S3, SQS/SNS).
• Apply best‑practice standards for NiFi development, deployment, security, and governance to adhere to enterprise data‑management policies.
• Document data‑flow designs, architectures, and operating procedures to support knowledge transfer and efficient team operations.
• Collaborate with data architects, engineers, and stakeholders to translate business requirements into robust technical solutions.

• Direct experience designing, developing, and managing complex NiFi data‑flow solutions in large‑scale enterprise environments.
• Proficiency in Java and/or Python for scripting and automation.
• Strong query skills and experience with relational and No
  
  SQL databases (Postgres, Elasticsearch, Dynamo
  
  DB).
• Experience with real‑time streaming and REST API integration.
• Familiarity with cloud platforms (AWS, Azure, or OCI) and related data services.
• Analytical skills to assess data challenges, identify root causes, and implement effective solutions.
• Excellent collaboration and communication skills for articulating technical concepts.
• Education & experience:
  
  HS diploma + 8 years relevant experience, or BS degree + 4 years, or Master’s + 2 years.

• Experience deploying ETL solutions in an AWS environment.
• Developing custom NiFi processors with Java or Python.
• Hands‑on knowledge of NiFi architecture, processors, and configuration, including NiFi Registry and clustering for high availability.

• Salary up to $170,000 per year.
• Vanguard 401(k) plan with 100% employer match up to 6% of salary.
• Phantom stock with 2‑year vesting.
• Medical, dental, vision, and disability/life insurance provided by Mutual of Omaha.
• Severely competitive paid time off: seven weeks of leave per year (including federal holidays) and flexible work schedule with comp time.
• Employee referral bonus: $3,000 per year for each referral who remains employed for a year.
• Free training accounts: CBTNuggets, Linux Academy, and others promoting continuous learning.

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B4

Corp is an Equal Opportunity Employer and participates in E‑Verify. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, or national origin.