Who We Are.
At CMiT, we do more than provide real-world solutions. We deliver transformative results. Through cutting-edge technology and process innovations, we are changing how federal and commercial clients worldwide deliver their mission. A service-disabled veteran-owned small business, we take pride in serving our nation through exemplary support for our clients and employees alike.
DATA ENGINEER
CMiT is seeking an experienced Data Engineer to help lead the analysis, documentation, and migration of a ~2TB Oracle database environment to PostgreSQL. This role involves mapping complex data dependencies across multiple schemas Oracle in legacy data centers to Postgres RDS in AWS environments.
This role offers the opportunity to play a pivotal role in a mission critical database modernization initiative, working with enterprise scale data systems while building expertise in both traditional and cloud-native database technologies.
Responsibilities
- Perform comprehensive analysis of Oracle database structures across multiple schemas and systems
- Map table relationships, constraints, and dependencies within the ~2TB environment
- Document data flows, lineage, and integration points with legacy systems
- Create detailed migration documentation and data dictionaries in Confluence
- Design optimized PostgreSQL target schemas for performance and maintainability
- Develop migration strategies for complex Oracle features (PL / SQL, packages, materialized views)
- Create and execute data migration scripts with comprehensive validation procedures
- Implement hybrid migration approaches for legacy data center and AWS environments
- Design data synchronization strategies between on-premises and cloud environments
- Implement secure data transfer mechanisms and connectivity solutions
- Ensure data consistency and integrity across distributed PostgreSQL deployments
Education / Certification Required
A minimum of a Bachelor's Degree. Experience or education requirements may be met through an equivalent number of combined years of education or experience.Required Qualifications
5+ years Oracle database administration and development experience3+ years hands-on PostgreSQL experience with advanced features and performance tuningExperience with large-scale database migrations (multi-TB environments)Expert-level SQL skills across both Oracle and PostgreSQL platformsProficiency in scripting languages (Python, Bash, PowerShell) for automationExperience with database migration tools (AWS DMS, ora2pg, pgloader)Knowledge of ETL / ELT tools and data pipeline frameworksHands-on experience with AWS database services (RDS, Aurora PostgreSQL)Comfortable with a strong culture of documentationProficiency with Confluence for technical documentation and knowledge management and sharingAbility to create clear data flow diagrams and system architecture documentationExperience with data lineage tools and dependency mappingProficiency with diagramming tools (Visio, PowerPoint, etc)Proven track record of successful Oracle to PostgreSQL migrationsExperience with legacy enterprise systems and data integration patternsUnderstanding of compliance and audit requirements for data migrationsStrong collaboration skills with cross-functional teamsAbility to collaborate with team members to ensure client needs and expectations are met or exceeded. Comfortable working in a remote environment.Demonstrates a passion for solving complex software challenges and enjoys working team collaboration.Preferred Qualifications :
AWS certifications (Database Specialty, Solutions Architect)PostgreSQL and / or Oracle certifications or equivalent expertiseExperience with data governance and master data managementKnowledge of performance monitoring tools (CloudWatch, pgAdmin, Oracle Enterprise Manager)Ability to obtain DHS / TSA clearanceClearance Required
Active TSA clearance requiredWho Makes It Happen.
At CMiT, we firmly believe that our innovative solutions are only as powerful as the teams harnessing them. Our people are more than just contributors - they are at the heart of everything we do and every success that we earn. Our employees are offered ample options to design a personalized benefits package that best meets their needs. Options include :
Medical / RxHSA / FSADental & VisionLife / AD&DLong & Short DisabilityDisability InsuranceAccident InsuranceCritical IllnessHospital InsurancePet BenefitsEducation / Training Program401k RetirementGenerous Paid Time OffFlexible Parental LeaveVolunteer Time OffFlexible Work LocationsAlternative Work SchedulesCMiT provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.