Data Engineer & Database Administrator III

The Data Engineer & Database Administrator will build and maintain scalable data pipelines while ensuring databases are reliable, secure, and high-performing. This role works closely with analysts, engineers, and product teams to deliver clean and timely data.

Essential Functions

• Design, build and maintain ETL/ELT pipelines across multiple systems
• Design and optimize data models in PostgreSQL, MongoDB, and Amazon Redshift
• Develop and manage data workflows using AWS (S3, Glue, Lambda, Step Functions, Kinesis)
• Administer and maintain database environments across development, staging, and production
• Monitor data pipelines and databases, troubleshoot issues, and implement alerts
• Optimize query performance, indexes, and configurations across relational and NoSQL systems
• Manage database provisioning, upgrades, backups, and disaster recovery (RDS, MongoDB, Redshift)
• Ensure database security, including access control, encryption, and role management
• Plan capacity and scale systems to support growing data needs
• Define and enforce data retention and archival policies
• Collaborate with analytics and product teams to support reporting and data needs
• Document data pipelines, database processes, and operational procedures
• Participate in code reviews and follow engineering best practices
• Lead and mentor Data Engineers I and II
• Drive architectural decisions and best practices
• Train team members on new tools, technologies, and processes
• Act as a technical lead on cross-functional projects

Competencies

• Ensures Accountability
• Tech Savvy
• Communicates Effectively
• Values Differences
• Customer Focus
• Resourcefulness
• Drives Results
• Plans and Prioritizes
• Decision Quality
• Self-Development
• Work Environment
• Physical Demands

Required Education And Experience

• Bachelor’s degree in Computer Science, Engineering, or a related field — or equivalent experience
• 5-8 years of Data Engineering Experience or equivalent experience

Qualifications

• 5-8 years of experience in data engineering, database administration, or similar roles
• Strong experience with PostgreSQL, MongoDB, and Amazon Redshift
• Solid SQL skills for both transactional and analytical workloads
• Experience with AWS data and database services (S3, Glue, Lambda, RDS, Redshift, etc.)
• Proficiency in Python or another scripting language
• Experience with workflow orchestration tools (Airflow, Step Functions, etc.)
• Hands-on database administration experience, including: MongoDB (replica sets, sharding, indexing, backups), Redshift (cluster management, query tuning, WLM, snapshots), PostgreSQL (replication, performance tuning, connection pooling)
• Familiarity with monitoring tools (CloudWatch, pgBadger, MongoDB Atlas, etc.)
• Understanding of database security (encryption, auditing, least-privilege access)
• Strong problem-solving and analytical skills
• Ability to translate business needs into data solutions
• Comfortable working in a fast-paced, collaborative environment
• Clear communicator with both technical and non-technical audiences
• Self-motivated with a focus on clean, maintainable code

AAP/EEO Statement

3MD Inc. is an equal opportunity employer and does not discriminate based on gender, sex, age, race and color, religion, marital status, national origin, disability, sexual orientation, gender identity or expression, veteran status or any other category that is protected by applicable law.