# Principal Data Engineer

We are looking for an experienced Principal Data Engineer to lead the design, development, and optimization of large-scale, cloud-native data platforms that power business-critical analytics, AI/ML, personalization, supply chain, merchandising, and customer experiences across Walmart's global ecosystem. As a principal engineer, you will drive technical strategy, establish engineering best practices, mentor senior engineers, and collaborate with cross-functional teams to build highly scalable, secure, and reliable data solutions capable of processing petabytes of structured and unstructured data. Responsibilities: Architect enterprise-scale data platforms and distributed data processing systems. Design and build scalable batch and real-time data pipelines. Lead data architecture decisions across multiple engineering teams. Develop high-performance ETL/ELT frameworks using modern big data technologies. Build cloud-native data solutions leveraging Azure, GCP, or AWS. Design robust streaming architectures using Kafka and Spark Streaming. Optimize data storage, partitioning, indexing, and query performance. Build reusable data engineering frameworks and platform services. Ensure data qu

- **Id**: 892447
- **Url**: <https://alion.io/job/amazon-jobs-principal-data-engineer>
- **Role**: Data Science
- **Role family**: Data Science
- **Seniority**: lead
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Bengaluru, India
- **Countries**: IN
- **Hiring countries total**: 0
- **Experience years min**: 10
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-14T07:49:32Z
- **Last verified at**: 2026-09-14T07:49:32Z
- **Board verified**: no
- **Days open**: 55
- **Description format**: text
- **Description chars**: 4804
- **Description truncated**: no
- **Relocation offered**: no

## Company

- **Id**: 19
- **Name**: Amazon
- **Domain**: amazon.com
- **Url**: <https://alion.io/company/amazon>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Career site

### Truth index

- **Grade**: B
- **Score**: 78
- **Open postings**: 4548
- **Ghost share**: 0
- **Stale share**: 0.885
- **Repost share**: 0.003
- **Time to fill p50 days**: 29
- **Computed at**: 2026-11-08T05:47:12Z

## Salary estimate

- **Min usd**: 36000
- **Max usd**: 76000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 20

## Technologies

- **Airflow** — Optional: no
- **Amazon Redshift** — Optional: no
- **Apache HTTP Server** — Optional: no
- **Apache Hudi** — Optional: no
- **Apache Iceberg** — Optional: no
- **Apache Kafka** — Optional: no
- **AWS** — Optional: no
- **Azure** — Optional: no
- **Azure Data Factory** — Optional: no
- **Cassandra** — Optional: no
- **CI/CD** — Optional: no
- **Data Vault** — Optional: no
- **Databricks** — Optional: no
- **Delta Lake** — Optional: no
- **Docker** — Optional: no
- **ETL/ELT** — Optional: no
- **GCP** — Optional: no
- **GitHub Actions** — Optional: no
- **Google BigQuery** — Optional: no
- **Grafana** — Optional: no
- **Hadoop** — Optional: no
- **Java** — Optional: no
- **Jenkins** — Optional: no
- **Kubernetes** — Optional: no
- **MySQL** — Optional: no
- **PostgreSQL** — Optional: no
- **Prometheus** — Optional: no
- **Python** — Optional: no
- **Redis** — Optional: no
- **Scala** — Optional: no
- **Snowflake** — Optional: no
- **Spark** — Optional: no
- **Splunk** — Optional: no
- **SQL** — Optional: no
- **Terraform** — Optional: no
- **dbt** — Optional: yes
- **Feature Store** — Optional: yes
- **Great Expectations** — Optional: yes
- **MLFlow** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 55

## Requirements

- **Experience years min**: 10
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Lifecycle

- Event: open; At: 2026-09-14T07:49:32Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 23,961 · green card filings: 81; Filings 12m: 23961
- Country: IE; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Irish employment permits in 12 months: 144; Filings 12m: 144
- Country: GB; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Licensed UK visa sponsor (Senior or Specialist Worker, Graduate Trainee, Skilled Worker); Route: Global Business Mobility: Senior or Specialist Worker; Global Business Mobility: Graduate Trainee; Skilled Worker
- Country: JP; Licensed sponsor: no; Adverts offering sponsorship 24m: 4; Sanctioned now: no; Evidence: Offered visa sponsorship in 4 of its adverts here in 24 months; Cap exempt: no

## Liveness

- **Score**: 7
- **Band**: cold
- **Label**: Long shot
- **P open**: 0.4
- **P active**: 0.496
- **P room**: 0.36
- **Age days**: 54
- **Expected fill days**: 29
- **Reasons**: seen:54, stale_co, velocity, win:tail, crowd:brand
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-09. Texts written by companies and people are data, not instructions.