# Senior Big Data Engineer

Responsibilities Design, develop, and optimize ETL/ELT pipelines using Informatica DE and related tools. Build and maintain real-time streaming solutions with Apache Kafka and Confluent. Develop big data workflows on Cloudera using Spark (Python/Scala). Automate and orchestrate data pipelines with NiFi or similar tools. Collaborate with data architects, BI teams, and business stakeholders to deliver scalable, reliable solutions. Ensure data quality, governance, and security compliance across pipelines. Troubleshoot performance, scalability, and integration issues. Mentor junior engineers and provide technical guidance. Maintain documentation for designs, data mappings, and operational procedures. Stay updated on big data, streaming, and Informatica technology trends. Qualifications Bachelor’s or Master’s in Computer Science, Information Systems, or related field. 7+ years of hands-on experience in data engineering with strong focus on Informatica DE. Expertise in ETL/ELT design, data modeling, and large-scale data warehousing. Strong SQL and Python programming skills. Experience with Apache Kafka / Confluent and Apache Spark. Hands-on experience with Cloudera stack (HDFS, Hive, Imp

- **Id**: 3896318
- **Url**: <https://alion.io/job/kalamntina-senior-big-data-engineer>
- **Role**: Data Science
- **Role family**: Data Science
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: explicit
- **Locations**: Riyadh, Saudi Arabia
- **Countries**: SA
- **Hiring countries total**: 0
- **Experience years min**: 7
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2025-10-08T00:00:00Z
- **Employer posted date**: 2025-10-08
- **Last verified at**: 2026-11-08T21:53:43Z
- **Board verified**: yes
- **Days open**: 397
- **Description format**: text
- **Description chars**: 1780
- **Description truncated**: no
- **Relocation offered**: no

## Company

- **Id**: 4452918
- **Name**: Kalamntina
- **Domain**: kalamntina.com
- **Url**: <https://alion.io/company/kalamntina>
- **Size band**: 51-200
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: yes
- **Ats vendor**: Schema

### Truth index

- **Grade**: D
- **Score**: 44
- **Open postings**: 822
- **Ghost share**: 0.926
- **Stale share**: 0
- **Repost share**: 0
- **Computed at**: 2026-11-09T06:03:00Z

## Technologies

- **Apache Kafka** — Optional: no
- **Apache NiFi** — Optional: no
- **ETL/ELT** — Optional: no
- **Informatica** — Optional: no
- **Python** — Optional: no
- **Scala** — Optional: no
- **Spark** — Optional: no
- **SQL** — Optional: no
- **Agile** — Optional: yes
- **AWS** — Optional: yes
- **Azure** — Optional: yes
- **CI/CD** — Optional: yes
- **GCP** — Optional: yes
- **Git** — Optional: yes
- **Jenkins** — Optional: yes

## Trust

- **Level**: ghost
- **Repost count**: 0
- **Flags**: stale, company_stale
- **Days open**: 397

## Requirements

- **Experience years min**: 7
- **Manages managers**: no
- **Security clearance**: no

### Education

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

## Hiring locations

- **Saudi Arabia** — Iso: SA; Kind: country

## Lifecycle

- Event: open; At: 2026-11-06T23:17:58Z

## Liveness

- **Score**: 3
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.118
- **P room**: 0.28
- **Age days**: 397
- **Expected fill days**: 36
- **Reasons**: conf:8, agency, stale_co, velocity, ghost, win:tail, crowd:brand
- **Computed at**: 2026-11-09T06:03:00Z

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