Database Engineer

Solerity, Inc.; O'Fallon (IL); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Medical coverage

401(k) plan

Paid Time Off

Tuition assistance

Employee discount

Life insurance

Job summary

Solerity, Inc. is seeking a Senior Database Migration Engineer to lead end-to-end migrations, oversee assessment, planning, schema conversion, data movement, validation, cutover, and post-migration stabilization across AWS managed platforms such as Aurora PostgreSQL/MySQL and RDS.

You will collaborate with application developers, ETL/data engineers, BI teams, security and governance personnel, and Government stakeholders to deliver low-downtime migrations, optimize performance, implement

Qualifications

• 8+ years of experience in database engineering or migration.
• Experience leading complex enterprise migrations.
• Hands-on with Amazon Aurora PostgreSQL/MySQL and Amazon RDS.
• Experience migrating Oracle/PostgreSQL/MySQL/SQL Server to cloud platforms.
• Experience with AWS DMS, AWS SCT, native utilities, or comparable tools.
• Advanced SQL and database-development skills.
• Experience remediating data types and dependencies.
• Experience developing migration validation and data-quality controls.
• Experience with performance tuning, backup, recovery, replication, HA, and production stabilization.
• Scripting with SQL, Python, Bash, PowerShell, or similar.
• Experience using Git and CI/CD processes.
• Knowledge of database security and vulnerability remediation.
• Strong leadership, troubleshooting, documentation, and stakeholder communication.
• Active Secret clearance or ability to obtain one.

Responsibilities

• Lead end-to-end migration activities from discovery to post-migration stabilization.
• Assess legacy DB platforms, schemas, data volumes, interfaces, and security controls.
• Develop migration strategies, plans, risk assessments, and runbooks.
• Lead migrations to AWS managed DB platforms (Aurora PostgreSQL/MySQL, RDS).
• Develop automation using SQL, Python, Bash, PowerShell, Liquibase, Flyway.
• Collaborate with developers, data engineers, BI, cloud engineers, cybersecurity, and stakeholders.
• Prepare and maintain DB diagrams, data dictionaries, mappings, and procedures.
• Provide technical leadership and mentorship to the team.

Skills

Database migration

AWS DMS

SQL development

Leadership

CI/CD

Security clearance

Troubleshooting

Documentation

Stakeholder communication

Education

Bachelor's degree

Security certifications

Tools

Git

Liquibase

Flyway

AWS Schema Conversion Tool

Job description

Solerity is seeking a Senior Database Migration Engineer to support IGC software-development, application-modernization, and database-development activities.

Migration Assessment, Planning & Execution

• Lead end-to-end database migration activities including discovery, assessment, planning, schema conversion, data movement, validation, cutover, rollback planning, and post-migration stabilization.
• Assess legacy database platforms, schemas, data volumes, stored procedures, functions, triggers, indexes, interfaces, application dependencies, security controls, and performance requirements.
• Develop migration strategies, technical plans, schedules, risk assessments, source-to-target mappings, validation criteria, cutover procedures, rollback procedures, and operational runbooks.
• Lead migration of legacy relational databases to approved AWS managed database platforms, including Amazon Aurora PostgreSQL or Aurora MySQL where implemented.
• Use AWS Database Migration Service, AWS Schema Conversion Tool, native database utilities, and custom scripts, or comparable approved tools, to support full-load, incremental, change-data-capture, and low-downtime migration approaches.

Database Conversion, Compatibility & Performance

• Convert and remediate database schemas, data types, stored procedures, functions, triggers, sequences, indexes, queries, and proprietary database features for target-platform compatibility.
• Analyze and remediate application, ETL, BI, API, and interface dependencies affected by database-platform changes, coordinating required code and query changes with the applicable development teams.
• Develop and optimize SQL queries, views, functions, stored procedures, indexes, and other database objects supporting application and reporting requirements.
• Analyze execution plans, workloads, locks, connections, database metrics, and resource utilization to resolve performance and scalability issues.
• Define database-layer requirements for availability, resiliency, replication, backup, recovery, failover, and performance within the approved IGC cloud architecture.

Validation, Automation & Secure Delivery

• Develop and execute migration-validation and reconciliation procedures to verify record counts, data relationships, business rules, transformations, calculations, referential integrity, completeness, accuracy, and functional equivalence between source and target platforms.
• Identify data-quality issues and coordinate cleansing, correction, exception handling, and remediation activities with the appropriate data owners and technical teams.
• Develop database and migration automation using SQL, Python, Bash, PowerShell, Liquibase, Flyway, or comparable technologies.
• Integrate database changes, migration scripts, validation routines, and deployment controls into established GitLab CI/CD and configuration-management processes.
• Implement database-specific security controls including least privilege, encryption, secrets management, logging, auditing, secure configuration, vulnerability remediation, and applicable STIG/RMF evidence.

Documentation & Technical Leadership

• Prepare and maintain database architecture diagrams, data models, data dictionaries, source-to-target mappings, configuration documentation, migration reports, cutover documentation, and operational procedures.
• Provide technical leadership and mentoring to database administrators, developers, cloud engineers, and migration team members.
• Collaborate with application developers, ETL/data engineers, BI developers, cloud/DevSecOps engineers, cybersecurity personnel, testers, functional analysts, operations staff, and Government stakeholders.

Requirements

• Eight (8+) or more years of experience in database engineering, database administration, database development, data architecture, or database migration.
• Demonstrated experience leading complex enterprise database migrations from assessment through production cutover and stabilization.
• Hands-on experience with Amazon Aurora PostgreSQL, Aurora MySQL, Amazon RDS, or comparable managed relational database services.
• Experience migrating Oracle, PostgreSQL, MySQL, SQL Server, or comparable enterprise relational databases to cloud-managed database platforms.
• Experience with AWS Database Migration Service, AWS Schema Conversion Tool, native database utilities, or comparable migration technologies.
• Advanced SQL and database-development skills including schemas, stored procedures, functions, triggers, views, indexing, and query optimization.
• Experience converting schemas and remediating incompatible data types, queries, procedural code, and application dependencies.
• Experience developing migration validation, reconciliation, and data-quality controls.
• Experience with database performance tuning, backup, recovery, replication, high availability, and production stabilization.
• Experience scripting database and migration activities using SQL, Python, Bash, PowerShell, or a comparable language.
• Experience using Git and automated database deployment or CI/CD processes.
• Knowledge of database security, access control, encryption, auditing, secure configuration, and vulnerability remediation.
• Strong technical leadership, troubleshooting, documentation, and stakeholder-communication skills.
• Active Secret security clearance or the ability to obtain and maintain one, as required by assigned duties and contract requirements.

Preferred Qualifications:

• Experience supporting USTRANSCOM, Department of Defense logistics, or another mission-critical federal system.
• Experience migrating large or highly available databases with minimal downtime using change-data capture, replication, blue-green, or phased migration techniques.
• Experience with Oracle and PostgreSQL/Aurora modernization; familiarity with Teradata or other large-scale enterprise data-warehouse platforms is beneficial where applicable.
• Experience supporting analytics or BI platforms, including Apache Superset, using migrated relational data sources.
• Familiarity with containerized application environments and infrastructure-as-code processes used by cloud/DevSecOps teams.
• AWS, PostgreSQL, Oracle, Microsoft, Security+, or related database/cloud certifications.

Education:

• A bachelor's degree in Computer Science, Cybersecurity, Data Science, Software Engineering, Information Technology, Information Systems, or a related software-engineering discipline; or
• One of the following current certifications: Certified Cloud Security Professional (CCSP), CyberSec First Responder (CFR), Federal IT Security Professional-Manager (FITSP-M), GIAC Security Essentials Certification (GSEC), CompTIA Security+, or Systems Security Certified Practitioner (SSCP).

BENEFITS YOU'LL ENJOY:

• Medical, dental and vision coverage
• Health Savings Accounts and Flexible Spending Accounts for healthcare and dependent care
• 401(k) and company-funded life insurance
• Generous Paid Time Off (PTO)
• Tuition and training assistance
• Financial rewards for employee referrals.
• Employee discount program

EMPLOYMENT OPPORTUNITIES:

Solerity is committed to the range of perspectives we bring to the marketplace by being an employer dedicated to hiring a highly qualified team of professionals, providing world class services and products aimed at exceeding our customer's expectations. Solerity is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities. Solerity is a VEVRAA Federal Contractor.