Valiant Solutions

Data Engineer

• Support AirHub business lines by designing, documenting, analyzing, integrating, and migrating complex environmental datasets
• Ensure legacy data is accurately represented within AirHub
• Analyze legacy databases
• Develop logical and physical data models
• Document data mappings
• Develop migration specifications
• Define business rules
• Build API integrations
• Support data governance
• Collaborate with business stakeholders
• Support testing activities
• Develop technical documentation

Senior Data Engineer

• Develop complex data validation strategies
• Validate data transformations
• Verify legacy data migrations
• Build automated database validation scripts
• Validate business rules
• Support API testing
• Validate event-driven data processing
• Develop reconciliation reports
• Partner closely with Data Architects and Data Engineers
• Mentor junior testers
• Validate complex enterprise data processing, transformation, migration, reconciliation, and reporting across the AirHub
• Ensure the integrity of complex environmental datasets supporting Ambient, Emissions, Regulatory, and cross-program business processes

Senior Data Quality Engineer

General

• Develop and execute the AirHub training, user readiness, support, and adoption strategy
• Develop role-based training plans and learning paths for EPA and external user communities
• Develop and deliver instructor-led, virtual, and self-service training
• Create and maintain user guides, job aids, FAQs, videos, knowledge articles, and other user-support materials
• Coordinate user onboarding and readiness activities for Beta and Production releases
• Support UAT participants through orientation, training, instructions, office hours, and functional assistance
• Establish the AirHub user-support model, including intake, triage, escalation, and resolution processes
• Provide or coordinate Tier 1 and Tier 2 functional user support
• Triage user-reported issues and route questions, data issues, access issues, and potential system defects to appropriate teams
• Establish and maintain a user-facing knowledge base and known-issues information
• Conduct office hours and enhanced rollout support during Beta and Production implementation
• Coordinate user hypercare during major releases and transition users into the long-term support model
• Monitor support trends, user feedback, training effectiveness, and adoption barriers
• Identify recurring issues and provide feedback to Product on usability improvements and enhancement needs
• Develop and monitor user-readiness, training, support, and adoption metrics
• Partner with the Communications Lead on implementation communications and awareness activities

Training, User Support & Adoption Lead

Full-stack Engineer

• Support Valiant Solutions’ agile software development practice for an environmentally focused Federal Government client
• Develop and maintain information systems that facilitate tracking and reporting of environmental data
• Help ensure information systems are secure, compliant with accessibility standards, and supportive of agency business processes
• Participate in all phases of the Agile software development life cycle, including planning, design, development, testing, and deployment
• Work closely with business analysts, project managers, and other stakeholders to understand business requirements and deliver software applications
• Ensure projects are completed on time and within budget
• Follow software development methodologies and best practices
• Ensure code is maintainable, scalable, and testable
• Develop and maintain technical documentation, including design documents, user manuals, and release notes
• Foster collaboration and continuous improvement
• Stay current with emerging software development technologies and trends
• Recommend tools and techniques to improve the development process
• Apply UX and UI design principles

Full Stack Application Developer

Manager

• Lead release planning, deployment coordination, cutover, and production readiness across AirHub UAT, Beta, and Production releases
• Develop and maintain integrated release plans, release calendars, readiness checklists, and deployment schedules
• Coordinate application, data, integration, infrastructure, configuration, and other technical deployment activities
• Establish and track technical and operational release readiness criteria and entry/exit criteria
• Facilitate technical release readiness reviews and support go/no-go decision-making
• Develop detailed cutover plans, deployment sequencing, roles, responsibilities, and execution procedures
• Ensure rollback/backout plans and deployment procedures are documented, validated, and ready for execution
• Track release dependencies, defects, risks, issues, and technical readiness across delivery teams
• Coordinate with Quality Engineering to incorporate testing results and unresolved defects into release readiness decisions
• Establish production support, incident management, and escalation procedures for each release
• Ensure monitoring, alerting, runbooks, SOPs, access, incident/problem management, backup/recovery, and support procedures are ready
• Coordinate post-deployment validation and production verification activities
• Lead release stabilization and technical hypercare activities
• Coordinate transition of stabilized releases into normal operations and maintenance
• Work closely with Engineering, Quality Engineering, Data, DevSecOps, Product, and operations teams

Release, Production Readiness Manager

Change Management

• Lead the overall AirHub implementation strategy and implementation team
• Develop and maintain the integrated UAT → Beta → Production implementation roadmap, milestones, dependencies, and readiness criteria
• Coordinate implementation activities across Product, Engineering, Quality Engineering, Data, DevSecOps, EPA business lines, and external stakeholders
• Establish implementation governance and lead integrated implementation and readiness reviews
• Define and monitor implementation entry/exit criteria and business, user, technical, and operational readiness
• Manage implementation risks, dependencies, decisions, issues, and escalations
• Coordinate UAT with the Quality Engineering & Testing Lead and EPA business stakeholders
• Lead organizational change management and business readiness activities
• Coordinate stakeholder, implementation, and release communications with the AirHub Communications Lead
• Oversee release and production readiness, training, user support, adoption, and rollout activities
• Coordinate Beta and Production rollout strategies, including phased implementation and transition from legacy systems where applicable
• Establish implementation success measures and monitor readiness, adoption, and stabilization
• Lead the transition from implementation and hypercare into sustained operations

Implementation & Change Management Lead

Security Engineer

• Provide technical expertise on security control implementations and develop information security procedures for systems and applications
• Perform pre-assessment activities, including detailed analysis of technology stacks comprising vendor solutions
• Assess vendor systems for technical compliance with NIST, FedRAMP, and agency standards
• Perform detailed architecture and technical design reviews across the full stack for vendor solutions
• Conduct architecture reviews of CSP authorization packages to validate secure design, FedRAMP and agency alignment, identify gaps, and advise on risk posture and compliance
• Lead and conduct architecture interviews with CSPs
• Develop architecture briefing documents for the Government FedRAMP program manager and CISO
• Review and comment on CSP FedRAMP documentation, including system security plans, policies, procedures, agency guidance, alternative implementation, and risk acceptance documents
• Work with CSPs to reconcile documentation and technology gaps
• Review CSP assessments and package submissions after 3PAO audits and prepare package briefings
• Review vendor security assessment plans, security assessment reports, vulnerability scans, and penetration tests
• Provide security engineering services alongside the agency FedRAMP Lead
• Support Continuous Monitoring activities, including annual package submissions, significant change proposals, and risk acceptance documents
• Interpret FedRAMP and agency requirements and provide vendors with guidance
• Monitor updated FedRAMP guidance, industry best practices, emerging technologies, and Government cybersecurity directives
• Provide recommendations regarding impacts of updated guidance and technologies
• Conduct security reviews of technologies for use within CSP authorization boundaries
• Manage relationships for assigned contractor-owned or contractor-operated systems and ensure compliance with agency security and privacy requirements
• Assist stakeholders with IT security activities to meet project deadlines
• Ensure systems are operated, maintained, and disposed of in accordance with documented security policies and procedures, including Assessment & Authorization (A&A)
• Research assigned IT security systems and provide architecture and security recommendations

Principal Security Engineer

Software Engineer

• Build enterprise-grade web applications
• Design automated microservices
• Manage multi-step financial validation engines using Python and Django
• Design, build, and maintain containerized microservices and backend web applications using Python and Django REST Framework
• Develop dynamic workflow engines and state machines for complex approval processes, billing calculations, and financial validation logic
• Model, optimize, and maintain relational database schemas for data integrity and auditability
• Implement background task processing and scheduling for dynamic data ingestion and third-party API integrations
• Implement role-based access control and secure authentication and authorization mechanisms
• Maintain development environment parity using containerization
• Support automated building, testing, and deployment pipelines through CI/CD processes
• Assist with support and maintenance of complementary software applications across different technology stacks as needed