David Pastrana
David Rodriguez-Pastrana Parareda

(Senior) ServiceNow Technical Consultant at Crayon Deutschland GmbH

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

(Senior) 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 with CMDB: Data imports, normalization, usage and reporting.​ Optimizing hardware, software, and cloud costs.
  • Service Graph Connectors: Support and configuration of SCCM, Intune, and SaaS applications.​
  • Cloud Cost Managment: 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 Solutions: 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 features, Knowledge Base.
  • 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 Hardware Asset Management (CIS-HAM) link
  • Certified Software Asset Management (CIS-SAM) link
  • ServiceNow Certified System Administrator (CSA) link
  • MC – Automated Test Framework (ATF) link
  • MC – Predictive Intelligence link
  • MC – Flow Designer link
  • MC – Application Developer Process Creator link
  • MC – Citizen Developer Application Creator link
  • MC – Configure the CMDB link
  • ITIL v4 Foundation AXELOS link
  • ITIL v3 Foundation AXELOS link
  • Cisco – Advanced Security link

October 2014 - 2022: TU Wien, Vienna, Austria

Master in Business Informatics



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



Simplified version of Chat GPT – voice recognition, no registration.



NIO Stock Analysis – Uses the free API from Yahoo Financial data.



Support in the site design for digital services.



First web developed – using 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

Welcome to my digital portfolio & resume as a ServiceNow Technical Consultant. Discover how I’ve transformed businesses with my expertise in ServiceNow consulting and implementation.

My Story

As a passionate ServiceNow, my journey in the world of ServiceNow consulting has taken me from being an enthusiastic developer building web services & automated integrations to a skilled senior technical consultant.

Skills & Expertise

I’ve gained practical skills from handling various projects and have a solid background in Consulting Implementation and Managed Services.

As a ServiceNow Consultant, I have worked with various organizations, and have been influenced by the approaches of Devoteam, Wipro, and IBM.

Services I Offer

I can provide you with 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, I have practical experience to help you succeed.

Case Studies & Reviews

In my case studies, you can see how I approach automation in Implementation and Managed Services. I also have comments from clients about the outcomes of my support with automated solutions.


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


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