Booker DiMaio

Data Engineer

• Design, develop, and maintain scalable data ingestion, transformation, and publishing pipelines utilizing Databricks and AWS services.
• Implement and optimize Databricks Lakehouse capabilities including Unity Catalog, Delta Live Tables, Auto Loader, Databricks SQL, and Delta Sharing.
• Build and maintain governed data products supporting operational, analytical, reporting, and machine learning workloads.
• Develop and support medallion architecture data pipelines and enterprise data quality frameworks.
• Implement data governance controls, metadata management, lineage tracking, and data retention policies.
• Collaborate with cloud engineers, architects, cybersecurity specialists, and business stakeholders to deliver secure, production-ready solutions.
• Optimize platform performance through partitioning, clustering, caching, workload tuning, and query optimization techniques.
• Support analytics enablement through semantic layers, dashboards, reporting solutions, and self-service data access capabilities.
• Participate in architecture reviews, operational readiness activities, platform modernization initiatives, and continuous improvement efforts.
• Create and maintain technical documentation, design artifacts, operational procedures, and engineering standards.

Senior Data Engineer – Databricks, AWS

Security Engineer

• Design, implement, and maintain cloud security controls supporting AWS and Databricks-based enterprise platforms.
• Support security architecture, risk management, compliance monitoring, and governance activities across cloud environments.
• Implement and manage Identity and Access Management (IAM) controls, role-based access controls (RBAC), least-privilege access models, and authentication mechanisms.
• Conduct security assessments, vulnerability analyses, risk evaluations, and remediation planning activities.
• Support continuous monitoring initiatives, security event analysis, incident response, and audit readiness efforts.
• Maintain compliance with FedRAMP High, FISMA, NIST 800-53, and other federal cybersecurity standards.

Senior Cloud Cybersecurity Specialist – AWS/FedRAMP

Infrastructure Engineer

• Design and maintain AWS cloud infrastructure supporting enterprise-scale data platform operations.
• Develop architecture solutions utilizing VPCs, subnets, routing, security groups, PrivateLink, and other AWS networking services.
• Support high availability, disaster recovery, backup, and business continuity strategies.
• Implement Infrastructure as Code solutions utilizing Terraform and related automation tools.
• Collaborate with cloud engineers, data engineers, and cybersecurity specialists to deliver secure and scalable solutions.
• Support platform modernization, performance optimization, capacity planning, and infrastructure lifecycle management.
• Develop and maintain technical architecture documentation, standards, and operational procedures.
• Participate in architecture reviews, deployment planning, and operational readiness activities.
• Support monitoring, observability, and operational support initiatives across cloud environments.

Cloud Infrastructure Architect, AWS

Cloud Engineer

• Implement and support AWS cloud infrastructure and platform services.
• Develop and maintain Infrastructure as Code solutions utilizing Terraform.
• Build and maintain CI/CD pipelines utilizing GitHub Actions and related DevSecOps tools.
• Support deployment, configuration, and administration of AWS services including EKS, Lambda, S3, IAM, CloudWatch, and VPC.
• Automate operational processes, system provisioning, monitoring, and maintenance activities.
• Support platform operations, troubleshooting, incident response, and performance optimization efforts.
• Collaborate with architects, data engineers, and cybersecurity specialists to implement secure and scalable solutions.
• Monitor platform health, availability, and resource utilization across cloud environments.
• Develop and maintain technical documentation, operational procedures, and deployment standards.

Cloud Engineer – AWS

Salesforce Developer

• Lead end-to-end Salesforce and enterprise application programs within a large-scale government environment
• Manage cross-functional Agile teams across multiple technical workstreams
• Oversee full program lifecycle including planning, execution, delivery, and production deployment
• Facilitate Agile ceremonies including sprint planning, standups, reviews, and retrospectives
• Drive release management, governance, and delivery coordination across environments
• Develop and manage program plans, schedules, milestones, and deliverables
• Coordinate with technical and business stakeholders to define requirements and delivery expectations
• Track and mitigate risks, issues, and dependencies across multiple teams
• Support DevSecOps coordination and enterprise deployment activities
• Ensure alignment between technical teams, leadership, and stakeholders throughout delivery
• Communicate program status, risks, and recommendations to senior leadership
• Lead efforts supporting modernization and migration of legacy applications to cloud platforms
• Ensure smooth operation of production application teams and enterprise release cycles

Salesforce Technical Project Manager

• Define and lead enterprise Salesforce architecture strategy across multiple orgs and applications
• Design scalable, secure, and high-performance Salesforce solutions supporting enterprise operations
• Architect and support complex integration patterns between Salesforce and external systems
• Lead data modeling, security architecture, and platform governance across environments
• Guide technical teams in solution design, development standards, and architecture best practices
• Support CI/CD, release management, and DevSecOps processes across Salesforce delivery pipelines
• Oversee architecture alignment across development, integration, and production environments
• Provide technical leadership for modernization initiatives, including legacy-to-cloud migrations
• Collaborate with stakeholders and senior leadership to define technical direction and solution roadmaps
• Ensure platform stability, scalability, and compliance within a governed enterprise environment
• Support incident resolution and production architecture troubleshooting as needed
• Evaluate and recommend new Salesforce capabilities, tools, and architectural improvements

Salesforce Technical Architect

Backend Engineer

• Lead the architecture, design, and development of enterprise-grade Python applications supporting legacy system modernization
• Design and implement scalable middleware services and RESTful APIs using FastAPI, Django, Flask, or equivalent frameworks
• Develop and oversee Python-based backend services supporting file processing pipelines, workflow automation, and system integration
• Lead modernization efforts replacing legacy OpenVMS/DCL-based processing with Python-based services and microservices architecture
• Establish engineering standards, conduct code reviews, and mentor development team members
• Collaborate with government stakeholders, technical leads, and product owners to define technical direction and delivery priorities
• Participate in Agile Scrum ceremonies including sprint planning, standups, reviews, and retrospectives
• Support CI/CD pipeline implementation, automated testing strategies, and DevSecOps integration practices
• Ensure solutions comply with federal security, auditability, and accessibility requirements (including Section 508 where applicable)
• Support integration with legacy systems and external interfaces including file-based and API-driven workflows
• Troubleshoot complex production issues and drive performance tuning and system optimization
• Produce technical documentation including architecture diagrams, design specifications, and implementation guides

Senior Python Lead Developer

Scrum Master

• Support Agile Scrum teams with sprint planning, backlog refinement, coordination, and execution
• Facilitate Scrum ceremonies including standups, sprint planning, reviews, and retrospectives
• Track and manage action items, risks, issues, and cross-team dependencies
• Maintain project documentation, status reporting, and delivery tracking artifacts
• Support schedule coordination, milestone tracking, and team follow-ups
• Maintain visibility into deliverables, priorities, and program timelines
• Support communication between technical teams, program leadership, and government stakeholders
• Assist with user acceptance testing (UAT) coordination and release readiness activities
• Contribute to a structured, transparent, and well-organized delivery environment

Scrum Master – PM Support

• Develop, enhance, and maintain Python 3.x middleware and backend services supporting enterprise applications
• Design, build, and support secure RESTful APIs for internal and external system integration
• Develop backend solutions using FastAPI, Flask, Django, or similar Python frameworks
• Implement workflow automation and integration services across enterprise systems and data sources
• Integrate applications with databases, legacy systems, and external enterprise platforms
• Support modernization of legacy OpenVMS/DCL-based systems into scalable, service-oriented architectures
• Participate in Agile Scrum ceremonies including sprint planning, standups, reviews, retrospectives, and demos
• Support CI/CD pipelines, automated testing, and DevSecOps practices for secure delivery
• Troubleshoot production issues and support performance tuning and system optimization
• Prepare technical documentation including API specifications, deployment guides, and operational procedures
• Collaborate with technical teams, architects, and government stakeholders to deliver assigned milestones
• Ensure solutions comply with federal cybersecurity, audit, and accessibility requirements

Python Middleware Developer

Frontend Engineer

• Design, develop, and maintain modern web-based and/or cross-platform user interfaces supporting federal mission applications
• Transform legacy interfaces into responsive, intuitive, and accessible applications aligned with modernization objectives
• Develop dashboards, reporting views, search interfaces, and workflow-driven user experiences for enterprise document systems
• Integrate frontend applications with Python-based backend services, middleware platforms, and RESTful APIs
• Support development of a Unified Client Application for document access, monitoring, and system interaction
• Ensure compliance with Section 508 accessibility standards, WCAG guidelines, and federal usability requirements
• Collaborate with backend developers, architects, analysts, and government stakeholders to align UI functionality with system workflows
• Participate in Agile Scrum ceremonies including sprint planning, standups, reviews, retrospectives, and backlog refinement
• Support CI/CD pipelines, automated testing, and DevSecOps-enabled deployment processes
• Troubleshoot UI defects, performance issues, and cross-browser compatibility challenges
• Support user acceptance testing (UAT) and production release activities
• Contribute to reusable UI components, style guides, and frontend documentation standards

Front End/UI Developer

DevOps Engineer

• Design, build, and maintain CI/CD pipelines supporting enterprise Python-based applications
• Implement and manage automated deployment workflows using GitHub Actions, Azure DevOps, or equivalent tooling
• Support secure software delivery practices including automated testing, code scanning, and release validation
• Collaborate with development, infrastructure, and security teams to ensure secure and reliable deployments
• Automate infrastructure and application deployment processes to improve efficiency and consistency
• Support modernization efforts transitioning legacy OpenVMS/DCL-based systems to Python-based middleware services
• Troubleshoot build, deployment, and integration issues across environments (development, test, UAT, production)
• Implement monitoring, logging, and alerting solutions to support system reliability and auditability
• Participate in Agile Scrum ceremonies and support iterative delivery cycles
• Ensure compliance with federal security, audit, and Section 508 accessibility requirements where applicable

DevSecOps Engineer

• Perform application development and support activities for their GIS Program.
• Assist in the development and maintenance of ArcGIS Server applications.
• Support configuration efforts in CityWorks and the GIS web services used for CityWorks.
• Repair and upgrade existing facilities toolsets and utility toolsets written in Visual C# using Visual Studio 2010 (IDE) with the ArcObjects Software Developers Kit (SDK) 10.1.

Senior GIS Analyst/Programmer, Python, J2EE

Full-stack Engineer

• Design and develop software solutions that incorporate AI/ML to improve efficiency and user experience
• Collaborate with cross-functional teams to define system architecture, workflows, and technical approaches
• Evaluate and implement appropriate solutions, including both LLM-based and traditional methods
• Build and maintain data pipelines and AI-enabled applications
• Develop and execute testing strategies, including unit and integration testing for AI workflows
• Optimize systems for performance, scalability, and cost efficiency
• Support deployment of applications in cloud and containerized environments
• Document system design, workflows, and technical decisions

AI/ML Software Engineer – 2-5 days onsite

Manager

• Support the development, drafting, and administration of IT-related solicitations (RFBs, RFPs, RFQs)
• Assist in managing Requests for Information (RFIs), vendor communications, demonstrations, and Q&A processes
• Coordinate procurement activities including kick-off meetings, pre-proposal sessions, approvals, and document reviews
• Track contracts through legal, procurement, and internal approval workflows
• Monitor contract financials including funding levels, burn rates, and expenditures
• Support contract lifecycle management including renewals, amendments, scope changes, and vendor performance tracking
• Ensure proper documentation is maintained for all contracts and procurement activities (digital and physical records as required)
• Communicate contract requirements, processes, and updates across stakeholders
• Support scheduling, meeting coordination, agendas, notes, and action item tracking for contract-related activities
• Assist with day-to-day procurement operations and vendor coordination
• Perform other related duties as needed