Have Experience Solution Architect

Benjamin M. Sifuentes

Fruitland Park, FL *****

Work Phone: 813-***-**** email: ******@*****.***

Work Summary:

Senior Application Professional with 37 years of experience working with building distributed systems, utilizing various communication protocols and development software.

Experience in designing Enterprise Integration systems using Microservices, SOA, Event driven multi-layered architectures, and Configuration driven frameworks/capabilities.

Experience in designing and implementing physical architecture, security architecture, and data architecture for integration systems.

Experience with Project Management and leading multiple teams to accomplish initiatives.

Experience with CI/CD models, tools and processes.

Experience with SDLC utilizing Agile methodology and Scrums Lifecycle.

Experience with DevOps managing and monitoring infrastructure systems and applications.

Knowledge of Multi-Cloud Architectures, security and tools.

Experience with Automation tools both at the infrastructure and application layer.

Professional Experience:

06/2023 – 03/2025 M Health Fairview Solution Architect

Solution Architect for M Health Fairview, providing Enterprise Architect oversights for specific governance & platform teams. Responsibilities included:

Supported EA team oversight and compliance related to EA TOGAF specifications.

Supported EA leadership meetings with the VP Digital Transformation, operations, and planning efforts.

Supported the Director of Enterprise Architecture with research activities and project oversight critical to new lines of business.

Supported third-party vendor management oversight with EA standards.

Lead cross-functional teams to develop comprehensive solutions.

Provided technical expertise in designing and implementing IT solutions.

Analyzed business requirements and recommended appropriate technology solutions.

Collaborated with stakeholders to define project scope, objectives, and identify risks.

Evaluate and recommend tools, technologies, and processes to support business objectives.

Develop architectural blueprints and technical documentation.

Ensure solutions are scalable, secure, and aligned with industry best practices.

Mentor and train junior team members on technical best practices.

Stay current on emerging technologies and trends in the industry.

Drive innovation and continuous improvement in solution architecture.

Monitor performance and generate heat maps that help leadership identify the state of business capabilities to meet business needs.

Successful projects completed:

Application & Technology Oversight Committee (ATOC)

Responsible for review & approving new applications and the proposed usage and technology related to the architectural approach used by the application.

Evaluate technology solutions to assess technical fit and identify risks and dependencies.

Support Demand Managers through demand intake and feasibility.

Develop, review, and publish technology standards; ensure compliance with standards, policies, and best practices.

Support the Project Management Office (PMO) and IT in project design and delivery.

Robotic Process Automation Center of Excellent (COE)

Responsible for providing EA oversight, defining the processes, capabilities, and approaches utilized by the RPA program.

Provided the TOGAF workflow process for the operational approach that Fairview follows regarding intake, building, and approving automation apps.

Provided a Architecture Framework that identifies the Business Capabilities that any Automation Product provides. The approach allowed an AI engine to generate a TOGAF Concept diagram from the initial description provided in the Automation intake process.

Provided EA oversight on the code standards used by developers.

Provided EA oversight on the code analyzer and rules used to validate the automation code that guarantees the coding standards and best practices are being followed.

Provided operational support to determine how to address User Lifecycle.

Document the TOGAF future state diagram of the cloud migration efforts to switch Automation Anywhere from using an in-memory database to AWS Cloud-based MS SQL Server.

Provide a cloud transformation architecture design that supports a landing zone for docs to be transformed utilizing Lambda, with the results to be fed to the Cloud based MS SQL Server, to be utilized by MS Power BI for reporting and analysis.

Provided EA oversight with Observability Architecture-related tools, technologies, and methodologies to collect, store, process, and visualize telemetry data (logs, metrics, traces).

Document the Observability Stratagies that the RPA System would utilize & and provide EA oversight for the observability implementation required for business leadership to understand how the platform meets objectives.

ServiceNow Platform

Responsible for providing EA oversight to the ServiceNow Platform & Fairview third-party vendor teams.

Participated in and completed the ServiceNow Associate Implementer Training Program.

Managing and Tracking of ServiceNow Licenses for Platform & Services.

Identify & document business capabilities.

Participate in Intake Demand Approval

Participate in Certificate Management for the Platform.

Participate in APM, SPM & CSDM (App Rationalization, Business Modeling)

Document the TOGAF future state diagram of the cloud migration efforts to switch Automation Anywhere from using a in-memory database to AWS Cloud-based MS SQL Server.

Participated in IT Hub Modernization (Reviewing Technical Design Documents for Now Assist AI, Service Operation Workspace, TSM - Requests, Incidents, Problems & Knowledge Base)

FV Solutions LLC.

Responsible for helping establish a new line of business from a non-profit entity to a for-profit entity for retail pharmacy. Provided EA oversight on security, infrastructure, and user access.

Support a new tenant for the new LOB.

Support transitioning for-profit employees over to the new LOB.

Support transitioning for-profit operations over to new LOB.

Support Operational Financial Analytics and Revenue Integrity Operations.

Support Home Infusion & Pharmacy Benefit Manager (PBM)

Identify & transitioning back office & back-end infrastructure needed for the new LOB

Integration with SailPoint to control identity management.

Identify & establish new Cloud Azure AD & AWS AD for the tenants.

Perform app rationalization for 128 apps. Work with business leaders and technical leaders to identify and document the business capabilities related to the apps to help support ServiceNow APM activities.

04/2022 – 12/2022 CVS Health Solution Architect

Solution Architect for CVS Health produces solutions that meet both business and infrastructure requirements. Using approved technologies, industry standards, and enterprise patterns, which allow for both performance and achieve the extendability goals for future enhancements. Responsibilities include:

Perform Peer reviews with Development Team, Architects and System Domain Leads to get consensus on all solutions. Present architecture to the WPI, EAG, IPDS and PACS reviews for accountability and guarantee accountability for all parties, throughout the enterprise.

Understand the Business Analysis requirements for the project.

Keep track of all architecture artifacts.

Identify the Non-functional requirements (NFR) used by the IPDS review to determine infrastructure enhancement to the supported network and systems used to process messages.

Identified risks conditions to the project and either get sign-off on the risk or provide suitable solutions to resolve issues encountered.

Provided both technology guidance and mentoring when needed.

Communicate and direct architecture vision for the project. Proving both Architecture diagrams, for the Workflow and State diagrams as needed.

Provide architecture guidance for successful development, testing and performance and production delivery.

Communicating with leadership weekly on project status.

Successful projects completed:

PBM Vendor Scripius

MCOE was designed as new Direct Digital Response Angular website to be used by consumers to enroll for Medicare Supplement coverage in MI and TN. The project used a existing developed pattern for Accumulator which processes both Medical, Pharmacy and Claims processing. Two-way async inbound API communication with APIC. The APIC was used to support USER token generation and X509 certificate validation was used to verify client identity when the APIs was called for processing data from Scripius The ESDS proxy supported transformation of JSON messages to XML messages used by CVS Aetna Platform EDI Soap Service communication over message queues. The message data received from the message queue was sent thru XSLT transformation to split the single message into multiple messages and was sent to the repository using ACAS CRUD operations to a on-prem MS SQL Server.

A outbound Proxy was use for all communication to Scripius for sending all Medical and Pharmacy and Claim message responses that had been pulled from the outbound message queues. Deployed in a high-bred environment using Azure Cloud, OpenShift container and on-prem.

SSI Direct Digital Response

Project was a rewrite of a Proof of Concept (POC) web application, utilized Angular for the client browser and presents a set of questions to the user to guide in the determination if the prospective member is suitable for enrollment for specific Medicare Supplemental plan. The questions presented to the potential member was pulled from a Team Site and is read on start-up of the Angular initialize component. A second Angular component supported 12 different API interactions with the Middleware/Gateway, which was used for generating a App token and supported forwarding of the API URLs to a APIC Platform which supported proxying to a back-end DDR Restful Services. The application supported gathering PII/PHI and data required for the Medical Supplemental Plan and supported both file upload and download of binary documentations showing proof of eligibility. A MS SQL Server was used as a repository for the services to store/retrieve data. Deployment in a high-bred environment using Azure Cloud, OpenShift container and on-prem MS SQL Server.

03/2021 – 03/2022 United Health Group Integration Architect

Technical EMR Integration Architect for the UHC Point Of Care Assist (POCA) software platforms. Responsibilities included:

Build/maintain documentation aligning to integration with specific EMR Partner, Integrator, or Health Systems

Technical SME for integration with specific EMR Partner, Integrator, or Health System

oProvided Architect support for 16 client teams (OVC-Epic, UHG, RXRevu-Cerner, PriorAuthNow, OVC, Athena Health, DrFirst, Amwell, CX, Referral Utility, TeleHealth, VIM, OVCP, Quest, Epic Payor Platform, Cerner)

oProvided guidance on requirements for the following: Authentication, External FHIR Servers, SMART on FHIR Launching, UHG POCA FHIR API Services, UHG POCA Widget Services, Exception Handling and Performance.

oProvided guidance on Testing approaches for validating integrations. (Postman and Mock Services)

oProvided guidance to clients on environments (Testing, Stage and Production) deployments.

Build/maintain generic testing document for our product to ensure all scenarios in an integration pass minimum standards

Map existing API specifications to an EMR Partner or Integrator existing API for standard HL7 Implementation Guides

SME for HL7/FHIR/DaVinci specification /Implementation Guides

Build/maintain context diagrams for each integration partner that describe how system interactions are triggered

Manage issues and questions posed by EMR Partner, Integrator, or Health System as part of the implementation cycle in timely manner

Support re-usability, elimination of wasteful activities, and adherence to industry standards.

Investigate technology choices or enhancements to the software platform, document solutions, and evangelize new architectural patterns and architecture vision across all development teams.

Supported offshore hours in other time zones as needed.

03/2020 – 11/2020 Blue Cross Blue Shield NC Lead Solution Architect

Senior Architect responsible for the planning and design of both on-prem and cloud-based infrastructure solutions that integrate with a smileCDR FHIR Server. Responsibilities include:

Provide leadership with service level agreements and processes.

Ensure the proper usage of Aardvark and ArchiMate tools for the documentation of the architecture.

Present diagrams and discuss solution at the Architecture Specification Review.

Gather signatures for the Architecture Specification approval processes.

Ensure Program/System documentation are complete and accurate for the Architecture solution.

Participate in the weekly Status Reporting of the project.

Escalation issues or concerns related to the project.

Ensure Change Management procedures are followed for the project.

Ensure the appropriate Problem Management skills are used to successfully complete the project.

Ensure proper Software Development Methodology are followed for the project

Drive adherence to existing and evolving security requirements to ensure a robust and secure Enterprise environment for which to deploy applications.

Communicate with internal/external team members related to the Architecture solution.

Drive and procure the consensus between the team members on how the solution would work.

Successful projects completed:

CMS Data Layer

Architected solution to support the CMS Interoperability and Patient Access mandate for both Provider Directory and Patient Access API which covers retrieving data using FHIR 4.0.1 for Providers and Pharmacy Directory data as well as Patient, Claims and Clinical (i.e. ACA, MA) data for 3rd Party Apps.

The solution utilized the following:

IBM Connect Access Gateway supports both internal/external URL endpoint access to APIs utilizing SSL.

IBM Security Access Manager (ISAM) supported the Authentication and Authorization needed to support the following requirements:

oOAuth v2

oFederated Identity Provider

oClient Credentials creation, validation & storage

oToken creation & validation

oData Scoping

oClient Registration information storage

smileCDR FHIR Server executes all FHIR requests and supports security, consent management and FHIR Repository retrieval request for data.

oSupport for compliant endpoints per IG (i.e. CARIN, Da Vinci) request/response.

oSecurity Component supported the Token Introspect, Scoping and Permission related to the API access for the FHIR request.

oConsent Management Component supported he BCBSNC CCR (i.e. Subscriber, Spouse and Dependent), CFR (i.e. Substance Abuse) consent processing and IG Filtering of the FHIR response.

oFacade to supported 3rd Party APIs for both Pharmacy Directory and Formulator API FHIR data retrieval from the Prime service provider.

oFacade to supported 3rd Party API for the Provider Directory API FHIR data retrieval from the Sapphire service provider.

oSupports utilizing a Red Hat OpenShift container at runtime.

smileCDR FHIR Repository back by an AWS Aurora Postgres.

oSupports Single database, multiple schemas.

oSupports for Referential Integrity detection

oSupports storage of logs and transaction to a retention server.

oSupports sending a copy of logs to AWS Cloud Storage for reporting.

oSupports utilizing Red Hat OpenShift at runtime.

smileCDR Hybrid Provider utilized for both seeding the FHIR Repository with historical data load received from 4 Enterprise Data Storages Servers and runtime processing of Patient, Claims and Clinical FHIR messages from both internal and external clients.

oHistorical Data Load retrieval utilized Ab-Initio process to access multiple database technologies for data retrieval such as DB2, Oracle and Teradata. The batch file was sent to the Hybrid FHIR Server utilizing SFTP and processed by the Hybrid Batch File Listener, which would enrich, transforms, and store the FHIR Message to the FHIR Repository.

oRuntime processing of FHIR messages utilized a IIB to route message to both IBM Message queues and IBM Topic queues to send the FHIR messages to the Hybrid Provider for processing. The Hybrid Provider utilized queue listener to pull the message from the IBM Queue, which would enrich, transforms, and store the FHIR Message to the FHIR Repository.

oSupports utilizing Red Hat OpenShift container at runtime.

Salesforce App Registration supports allowing a 3rd Party App to register for BCBSNC Patient Access APIs.

oCollects the data needed for app registration

oAllows BCBSNC Approvers to manage and approve registration data

oSupports communicating with the ISAM to creates client credentials

oSupports notification to clients related to client credentials

oSupports communicating with the ISAM to store the registration data.

oUtilizes a Salesforce Cloud at runtime.

Monitoring of all FHIR servers, processes & queue resources was handled utilizing Willie APM agent installed on the servers. An email notification was used to notify support teams of detected issues.

Kafka streams supported for transporting data for analysis and reporting needs.

05/2019 – 10/2019 Hexaware, Inc. Enterprise Architect

Provided Architecture guidance for several distinct lines of business.

CMS – Conduent Mortgages Services

CFS – Conduent Financial Services

Responsibilities include:

Migrating Rackspace and SunGuard Datacenters which supported the CMS product line to the Conduent owned Datacenters.

Create new CFS and WSS environments which supports the Conduent SDLC utilizing the ATOS Cloud.

Create new CMS environments which supports the Conduent SDLC supporting the Multi-Cloud (AWS & Azure) and On-prem.

Identify hardware and software requirements for all environments specifically related to Digital transfer, transformation, storage and encryption, metadata management89 supported by Collibera.

Identify the Enterprise Services needed to support the applications and document the requirements. Includes Services such as (WAF, McAfee Scanning, McAfee Gateway, Network Storage, SFTP, SMTP, Data Replication, Domain Controllers, Application Monitoring with Nagios, System Level Monitoring with Solarwinds)

Identify protocols and the ports needed for system-to-system communication.

Identify security requirements for both external and internal communication.

Identify runtime performance metric and database utilization analysis with AppDynamics.

Produce the proper documents for the artifacts needed by the business to represent how the systems and network are interacting.

Communicate with management and external clients regarding technology requirements.

Participate in quarterly SOC2 certification by validating the Network Machine Server List, Network diagrams for Production and Disaster Recovery, Security Control diagrams and Disaster Recovery Plan.

Participate in weekly security reviews.

Provide guidance on best practices and technologies needed by the business.

Successful projects completed:

Datacenter Migration

Lead the migration of the Legacy Datacenters which supported physical hardware for running the CMS applications to Conduent owned Datacenters which are all Virtual environments. The migration of the datacenters consisted of several Web servers, Application Servers and Microsoft SQL Server Cluster Databases. The primarily infrastructure consist of Microsoft Architecture utilizing Windows Server 2016 for all systems. Technologies utilized consisted of IIS 10.0, .Net 2.6, RESTful Services, Microsoft Message Queue for Interprocess communication and Microsoft SQL Server. The datacenters were designed to support the SDLC as indicated below:

Development/Quality Assurance – Unique Lan segments which supported the 3-tier Networking Architecture, Single Web and Application Servers and Microsoft SQL Server Databases.

User Assurance Testing - Unique Lan segments which supported the 3-tier Networking Architecture, Load-Balanced Web Servers, Redundant App Servers, Microsoft SQL Database.

Stage/Production - Unique Lan segments which supported the 3-tier Networking Architecture, Load-Balanced Web Servers, Redundant App Servers, Microsoft SQL Clustered Database and Data Replication

Disaster Recovery – Exact copy of Production, Unique Lan segments which supported 3-tier Networking Architecture, Load-Balanced Web Servers, Redundant App Servers, Microsoft SQL Server Clustered Databases.

WebPortal Self Service

Provided architect guidance for the portal that allowed clients to register for CFS products and configuration of the RBAC rules to support service access, also collected & stored encrypted credit card information used to support billing.

Billing & Reporting Portal

Create a architect approach which support the Business Process Model of the CFS product line. The overall architecture design supported the following:

Replication of the required production data needed to calculate, analyze and generate the artifacts needed to support billing a CFS customer.

The core technologies include a Decisions Workflow engine and Business rules necessary to process the billing data for the CFS clients.

A Microsoft Clustered SQL server was utilized for the persistence storage of all billing data artifacts.

All billing data artifacts was communicated utilizing SMTP to a JP Morgan processing engine which was responsible for communicating with the end customers about their monthly usage charges and reports necessary to support the charges.

Cloud Study

Evaluate the feasibility of migrating the CMS product line to run on an ATOS Cloud environment. Responsibilities include:

Identify pros and cons for the lift and shift approach verses a re-architecture approach for supporting the Cloud migration with Microsoft Azure and AWS.

Identify the costs associated with Cloud migration.

Identify potential technology issues related to the Cloud migration with the existing products.

Identify additional technologies required to support Cloud base solution.

Produce initial Architecture diagram for Cloud base solution.

Presentation to management outlining potential Cloud base solution

03/2018– 05/2019 Reveille Technologies, Inc. Enterprise Architect

Provided Architecture documentation for the existing line of business known a Conduent Mortgages Services. The infrastructure primarily consists of Microsoft Architecture utilizing Windows Server 2008 for the Legacy environments. Technologies utilized consisted of IIS 7.0, .Net 1.6, RESTful Services, Microsoft Message Queue for Interprocess communication and Microsoft SQL Server R2. Responsibilities include:

Document and diagram the network and existing legacy infrastructure running at the datacenters. Responsible for Persisting all artifacts to SharePoint.

Identify any missing artifacts needed to properly communicate how the legacy infrastructure is working together. Such as Machine Requirements, Models, Context, Message Flows, Network diagram, Topology, 2-Tier Network Architecture, Database Clustering, Network Storage, ER Diagrams and Interprocess communication with Microsoft Messaging Queues.

Identify the existing Security Controls supported by the legacy infrastructure.

Identify and document all technologies, version and license the legacy infrastructure is dependent on.

Provide guidance on best practices and technologies needed by the business.

10/2011 – 10/2017 CACI, Inc. Application Architect

Responsible for ensuring architectural design was adhered too for the VLER Das project.

Specific responsibilities included: Ensure that the technology encapsulation conforms to the architecture specifications. Assist with integration of the existing infrastructure with the current VA based technology solutions. Recommend technology enhancements to the existing product. Analyze and troubleshoot network system related problems. Analyze and troubleshoot Cluster related issues with production.

Successful projects completed:

Data Access Service

Participated in architecture, design and implementations of the Microservices that provided the key components of the DAS architecture which allow the infrastructure to receive, route, persist, transform and sending both external and internal VA medical records. DAS consists of the following services

Client Gateway

The Service allows the HTTP messages being sent by either internal/external customers to support proxy, routing and load-balancing across the Microservices supported by the DAS. The Service is designed to utilize J2EE Servlet v3 async event processing model and is written in Java and deployed to a Jetty Http Servlet Engine at runtime.

eCRUD

The NodeJS RESTful Service to allow message translation which consist of patient, medical and image data to MongoDB/GridFS NoSQL data store. The framework is designed utilizing JavaScript and supports transformation for XML, JSON, HL7, FHIR and FHIR Bulk messages.. The framework supports asynchronous communications and notification through both RESTful Notification Service and JMS messaging utilizing Redis Publish/Subscribe. Both Soap Services and RESTful Services have been utilized to access the business data located within the MongoDB/GridFS NoSQL database.

LENS

The NodeJS RESTful Service allows messages to be read from inbound Redis channel and written to an outbound Redis channel after the message has been transformed to the desired format. Supported dispatching of messages to the appropriate registered client.

Redis2Http

The NodeJS RESTful Service allows messages to be retrieved from Redis channel and sent to a HTTP external client service which can process an Atom Feed XML message. The service support sync and async HTTP processing model.

Redis2JMS

The NodeJS RESTful Service allows messages to be retrieved from Redis channel and publishes the message to a JMS queue which is processed by to a HTTP external client service which can subscribe and process an Atom Feed XML message. The service is designed to utilize a BEA WebLogic Cluster environment to support durability of the communications.

Redis2FHIR

The NodeJS RESTful Service allows messages to be retrieved from Redis channel and sent to a HTTP external client service which can process an Atom FHIR XML message. The service support sync and async HTTP processing model.

FHIR Subscription

The NodeJS RESTful Service for the client to register a FHIR Subscription resource to establish a proactive subscription-notification to the client channel when any event matching a specified Subscription Topic that meets the client defined filtering criteria.

ESB Framework

Participated in the designed and implementation of a VLER Das ESB framework to allow messaging translation for inhouse Exam Results which consist of patient, medical and image data between VA CAPRI and VLER Das. The framework is designed to utilize Enterprise Design Patterns and be J2EE compliant utilizing BEA WebLogic clustered environment, Spring, AOP Logging, JMX and JMS. The framework supports both Sync and Async communication thru the use of JMS utilizing XML constructed messages. Both Soap Services and RESTful Service have been utilized to access business data located within an Oracle database.

BTS

The SOAP Service acts as the gateway between VLER DAS and the VA internal services that need to send SOAP messages to DAS for storage and processing by other services. The service supports Sync and Async communication and supports transformation of the soap payload messages. The messages are then passed to a CXF client to communicate to the eCRUD framework to be persisted. The service is designed to be J2EE compliant and utilizes a BEA WebLogic cluster environment. The service has been extended to support Message Transmission Optimization Mechanism (MTOM).

VLER Gateway

The SOAP Service acts as the gateway router between VLER DAS and the VA External services that need to transform and process SOAP messages by other services. The service is designed to be J2EE compliant and utilizes a Bea Weblogic Cluster environment. The service supports Sync and Async communication and JMS messaging to support the durability of the communications.

DSS

Participated in the architect and design of the VA RESTful DAS Scanning Service which virus scanned attachments from third-party clients. The service utilizes the ICAP protocol to communicate with McAfee Web Gateway and distributes the load to the cluster which consisted of 6 servers. If scanning failed the service would reject the request and communicate back to the client what virus was detected. The service was designed to be J2EE Compliant utilizing BEA Weblogic clustered environment. The service supported producing a report once a month indicating which virus attacks had been detected, along with datetime, filename, file type and the identity of the third-party client.

OWASP Framework

An Architect refactor to secure all of Enterprise Security the DAS infrastructure. Responsible for identifying all possible security concerns related to DAS. Supported the use of the OWASP framework thru the refactoring phases as well as analysis of all Fortify scans, WASA scans of the DAS infrastructure. Outlined the procedure of development, testing and production for Fortify scanning to ensure security compliance and interacted with external VA Security teams to answer all questions related to any of the DAS security related fixes that were deemed necessary to be compliance with VA Security Policy.

DRS

The NodeJS RESTful service allows the customer to send Community Care health care documents as an attachment. The service utilized FHIR DSTU 2 Specification for both Document Reference and Operational Outcome. The retrieval of attachments associated with the Document Reference utilized BlueButton

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