Demo

Senior Data Engineer

Eliassen Group
Merrimack, NH Contractor
POSTED ON 10/25/2026
AVAILABLE BEFORE 11/28/2026
Description

On-site Every Other Week / 5 days in either Merrimack, NH or Smithfield, RI or Westlake, TX

Our client seeks a Senior Data Engineer with Application DBA expertise to design, build, optimize, and support enterprise data platforms. The role combines advanced data engineering with hands-on database administration to ensure availability, performance, and scalability across Oracle, Snowflake, and modern analytics environments.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $65.00 to $70.00/hr. w2

JN -072026-107792

Responsibilities

  • Administer, monitor, and tune Oracle databases supporting critical applications.
  • Manage database performance including query optimization, indexing, partitioning, and execution plans.
  • Perform database maintenance such as backups, recovery, patching, and upgrades.
  • Ensure high availability, disaster recovery, and data integrity.
  • Support application teams in database design and troubleshooting.
  • Develop and maintain dimensional and normalized data models.
  • Build and optimize enterprise data warehouse solutions across Oracle and Snowflake.
  • Design, develop, and maintain scalable data pipelines and ETL processes using Informatica and Python.
  • Ensure efficient ingestion, transformation, and integration of structured and unstructured data.
  • Support and enhance Oracle Analytics Server reporting environments.
  • Collaborate with BI and analytics teams to ensure data accuracy and usability.
  • Optimize data structures for reporting performance.
  • Implement best practices for Snowflake architecture, cost optimization, and performance.
  • Work with NoSQL technologies such as MongoDB for semi-structured and unstructured data.
  • Write efficient, reusable, and scalable code using Python and SQL.
  • Automate data workflows, monitoring, and alerting.
  • Implement CI/CD practices for data pipelines and database deployments.
  • Ensure data quality, consistency, security, validation, cleansing, and lineage tracking.
  • Adhere to corporate data governance and compliance standards.

Experience Requirements

  • 7 years in data engineering and database administration.
  • Application DBA experience with Oracle Database.
  • Informatica ETL development and data warehousing expertise.
  • Hands-on experience with Snowflake, Oracle Analytics Server, Python, and advanced SQL.
  • Experience with NoSQL databases, preferably MongoDB.
  • Preferred: Cloud platforms such as Azure, AWS, or GCP.
  • Preferred: Modern data stack tools such as dbt and Airflow.
  • Preferred: Knowledge of DevOps and CI/CD pipelines.
  • Preferred: Experience supporting high-volume OLTP systems.
  • Preferred: Exposure to data governance and security frameworks.
  • Strong analytical and problem-solving skills with a focus on performance and reliability.
  • Ability to balance development and operational DBA responsibilities and collaborate with stakeholders.

Education Requirements

Bachelor’s degree in Computer Science, Information Systems, or related field, or equivalent experience.

Salary : $65 - $70

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Data Engineer?

Sign up to receive alerts about other jobs on the Senior Data Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$143,391 - $179,890
Income Estimation: 
$168,522 - $211,152
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Eliassen Group

  • Eliassen Group Washington, DC
  • Description: Hybrid 2 days onsite / 3 days remote in Washington, DC Our client seeks a Senior Program Manager to lead enterprise Human Capital Management i... more
  • 1 Day Ago

  • Eliassen Group Washington, DC
  • Description: Hybrid (on-site work) as needed in Washington, DC Our client seeks a seasoned cybersecurity professional to lead assessments, implement and ma... more
  • 1 Day Ago

  • Eliassen Group Merrimack, NH
  • Description On-site in Merrimack, NC Our client seeks a Cloud Solution Architect to drive end-to-end solution architecture within Institutional Wealth Mana... more
  • 1 Day Ago

  • Eliassen Group Almont, CO
  • Description: Remote Our client is seeking a Senior Technical Program Manager to lead large-scale, enterprise-wide technology initiatives across Product, En... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior Data Engineer jobs in the Merrimack, NH area that may be a better fit.

  • Fidelity Investments Merrimack, NH
  • Fidelity will not provide immigration sponsorship for this position. Job Description Note: Fidelity will not provide immigration sponsorship for this posit... more
  • 4 Days Ago

  • NTT DATA North America Merrimack, NH
  • Req ID: 383763 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive... more
  • 19 Days Ago

AI Assistant is available now!

Feel free to start your new journey!