Database Engineer

Description: Provides technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis. Develops relational and/or Object-Oriented databases, database parser software, and database loading software. Projects long-range requirements for database administration and design. Responsible for developing a database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls. The DBE works primarily at the front end of the lifecycle-requirements through system acceptance testing and Initial Operational Capability (IOC). Develops requirements from a project’s inception to its conclusion for a particular business and Information Technology (IT) subject matter area (i.e., simple to complex systems). Assist with recommendations for, and analysis and evaluation of systems improvements, optimization, development, and/or maintenance efforts. Translates a set of requirements and data into a usable document by creating or recreating ad hoc queries, scripts, and macros; updates existing queries, creates new ones to manipulate data into a master file; and builds complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies. Experience Required: Required Skills/Qualifications: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Ten (10) years’ experience as a DBE in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of DBE experience may be substituted for a bachelor’s degree. The candidate must have experience with PostgreSQL and PostGIS. Key Responsibilities: • Design and optimize PostgreSQL database schemas, indexes, and queries for performance and scalability. • Monitor and tune database performance using native tools and custom scripts. • Implement and maintain high availability (HA) and replication strategies. • Collaborate with developers to refine complex queries and stored procedures. • Automate routine tasks using scripting languages (e.g., Bash, Python). • Document database architecture, processes, and best practices. Required Qualifications: • Strong SQL skills and experience with performance tuning and query optimization. • Proficiency in Linux/Unix environments and CLI tools like psql. • Experience with logical and physical replication, partitioning, and backup strategies. • Familiarity with monitoring tools (e.g., pg_stat_statements, Prometheus, Grafana). • Knowledge of scripting languages for automation and tooling. Preferred Qualifications: • Experience with containerized environments (Docker, Kubernetes). • Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL). • Understanding of CI/CD pipelines and infrastructure as code (Terraform, Ansible). • Exposure to other RDBMS (e.g., Oracle, MySQL) or NoSQL systems is a plus. This position requires in-scope poly, within 7 years. Peterson Technologies provides for an excellent benefit package to include generous PTO, healthcare, STD, LTD, Life Insurance, 401k contribution and Tuition and Training reimbursement. Salary range depending on experience - $185,000 - $230,000 Peterson Technologies will provide reasonable accommodations to applicants who are unable to utilize our online application system due to a disability. Please send your request to HR at [email protected] or call. Peterson Technologies is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.