David Pastrana

David Rodriguez-Pastrana Parareda

ServiceNow Technical Consultant at Crayon Deutschland GmbH

IT Asset Management | ITAM Automation | Certified in Software Asset Management

ServiceNow Technical Consultant

Nov 2022 – Present: Crayon Germany

Actively involved in optimizing and enhancing the following services.

Technical Services

  • Development of Service Requests: Service Catalog automation with workflow and flow designer.
  • Integration of Software asset management in CMDB: Data imports, normalization, usage and reporting.​ Optimizing hardware, software, and cloud costs.
  • Service Graph Connectors: Support and configuration of SCCM, Intune.​
  • SaaS integration: Implementing and configuring Azure Active Directory.​
  • Cloud Cost Management: Setup and configuration for AWS, Azure, Google.​
  • Web Service & API integration: Advanced in custom scripting and B2B communications.​
  • Subscription Management: Optimizing role allocations, including ITIL and fulfiller role allocations.
  • Report customizing: Dashboards, widgets, and scripted filters.​
  • Technical Requirements: UI modifications, ACL user permissions, Business Rules, events, email notifications.

Business Services

  • ITAM program: Providing recommendations and automating IT Asset lifecycle processes.
  • CMDB support: Reporting, data model, custom tables, and permissions.​
  • Software asset management: Guidance in best practices, optimization, maintenance, procurement, and disposal using Flow Designer.
  • Subscription Management: Role management and allocation analysis.​
  • Generative AI: Open AI implementation assessment, and custom LLM.
  • Data quality improvements: CMDB recommendations and cleanup schedules.​
  • Performance analytics: Usage, benefits, and recommendations.​
  • User trainings: User and advanced support.

Work Experience


4 Years: May 2019 - October 2022: Erste Digital, Full-time job

ServiceNow Technical Consultant


  • ITOM and CMDB Operations, data quality improvements, transform maps, ACLs, business rules, dashboards, widgets for reporting.
  • Workflow and automations developed in the Self Service Portal, using REST APIs, Flow Designer, Email Notifications, Service Catalog.
  • Fulfillment of ISAE audit reports, scripting and dashboards.
  • Deliver trainings to multiple departments.
  • Successes in: Developing an Angular app (new Phonebook)

2 Years: May 2017 - February 2019: Cisco Systems Austria, Full-time job

 Technical Consultant and Project Management


  • B2B Integrations in IT systems. Usage of Web Services to exchange XML, REST messages via Cisco’s Platform ServiceGrid with International & US customers.
  • Successes in: Full project management for multiple US and Spanish companies.

2 Years: May 2015 - May 2017: ITSDONE Services Austria (Convotis), Full-time job

Application Engineer


  • Configuration of ITSM WebServices using XML and SOAP.
  • Workflow design in OTRS, WebServices, Backup and Nagios operations, Web development in WordPress. Full Android App for Epson Moverio Smart glass.
  • OTRS WebServices, Nagios, SAP HANA, Java, MySQL, WordPress, CSS.

Education and certificates



Certificates: Vienna, Austria

  • Certified Software Asset Management (CIS-SAM) link
  • Certified Hardware Asset Management (CIS-HAM) link
  • ServiceNow Certified System Administrator (CSA) link
  • Partner Pre-sales Specialization: IT Asset Management link
  • Partner Sales Specialization: IT Asset Management link
  • Micro-Certification – Flow Designer link
  • Micro-Certification – Integration Hub link
  • Micro-Certification – Predictive Intelligence link
  • Micro-Certification – Configure the CMDB link
  • Micro-Certification – CMDB Health link
  • Micro-Certification – Automated Test Framework (ATF) link
  • Micro-Certification – Application Developer Process Creator link
  • Micro-Certification – Citizen Developer Application Creator link
  • ITIL v4 Foundation AXELOS link
  • ITIL v3 Foundation AXELOS link
  • Cisco Security Foundation Green Belt link

October 2014 - October 2023: TU Wien, Vienna, Austria

  • Diplom-Ingenieur (Dipl.-Ing.) – Master degree in Business Informatics. Grade: Gut (2). Thesis in SAM automation.



October 2008 - July 2014: ETSII University, La Laguna, Spain

  • Bachelor in computer science engineering. Specialisation track: Software Engineering.  link


C1 – Communicate effectively at a managerial and professional level.



B2 – intermediate level in talk and writing.


Spanish and Catalan

Native languages.



Other information

Driving license  B1

Diver Level 2 – PADI Open Water (Num. 2307UX8643)



Open Data View

Master thesis developed in Java for the Geolocation of tourism data in Tenerife. Github



Erste Phonebook employees

Directory of Erste employees developed in Angular and .NET framework. Built using real-time API calls for name search. Deployments automated using OpenShift, Jenkins and Bitbucket repository.



Carrera 4.0

Android App developed in Java to display real time data on driving cars. Used as a showcase for the Epson BT-200 Glasses. Epson App



XML Transformation

Custom Bash coding for XML transformation via XSLT language. Github



Websites Self-developed



ITAM community page for ServiceNow



Coworking rental space in Santa Cruz de Tenerife



EV sector – uses the free API from Yahoo Financial data



Web for digital services in Tenerife



First web developed – uses pure html and css libraries



First web developed – uses pure html and css libraries.




ServiceNow SAM Pro Implementation and Proof of Concept (PoC)

IT Asset Management

Lifecycle Management for Software and Hardware Assets


  • Implementation, configuration, and optimization of SAM Pro in ServiceNow.
  • CMDB Optimization and health checks – Utilizing the correct fields for Configuration items.
  • ServiceNow License Optimization – Allocation of the correct roles to subscription products.
  • Procurement automation – Time savings in software and hardware request orders.

My Digital Portfolio & Journey

Explore my digital portfolio and resume as a Senior Technical Consultant. Learn about how I’ve contributed to business improvement through my expertise in ServiceNow consulting and implementation.

My Story

As a passionate in ServiceNow, my journey in the world of ServiceNow consulting began in 2015 with my initial efforts to integrate OTRS with the T-Mobile ticketing system. This involved creating and building web services and automated integrations, ultimately leading me to the role of Senior Technical Consultant.

Skills & Expertise

I have managed various international projects, drawing on a strong background in Consulting Implementation and Managed Services. I have collaborated with diverse organizations, including Devoteam, ErsteDigital, and Cisco, on B2B Web Service integrations.

Services I Offer

Providing reliable Consulting Implementation and Managed Services that are adapted to fit your business requirements. Whether you’re a small startup or a larger, established company, having practical experience for succeeding in your IT strategy.

Case Studies & Reviews

I can demonstrate the implementation of various automated solutions for a range of customers, with positive feedback from executives. I have experience in managing and deploying complete projects from initial requirements to go-live.


You can learn about my work from my clients perspectives in their testimonials. Their feedback reflects my dedication and the positive impact of my contributions.


What does a ServiceNow consultant do? In my role, I assist organizations in optimizing their ServiceNow platforms for maximum efficiency and alignment with business objectives.

What is the role of an associate consultant in ServiceNow? An associate consultant assists primary consultants and contributes valuable insights throughout the process of implementation.

Is ServiceNow a consulting company? No, ServiceNow provides the platform, and consultants like me specialize in its implementation and optimization.

What is the role of a senior technical consultant in ServiceNow? As a Senior Technical Consultant, I lead the technical components of ServiceNow projects, from planning to execution, ensuring a smooth process and satisfaction on the client’s end.

Contact Me

Ready for a transformation? Let’s chat about how my ServiceNow Consultant expertise can revolutionize your business.
Skills & Expertise. 

Get In Touch