Dimitrios Vorisis, Project Manager in Málaga, Spain
Dimitrios Vorisis

Project Manager in Málaga, Spain

Member since September 3, 2019
Dimitrios has a solid foundation in software development, having been an active member as a software developer, engineering manager, and test manager in the different projects he has led. He has a solid foundation in managing projects on both planned environments, where requirements are generally known, and unplanned ones, where a discovery-driven approach coupled with agile execution is mandatory.
Dimitrios is now available for hire

Project Highlights



Select Certifications


  • Senior Agile Delivery Manager

    2016 - PRESENT
    • Supervised development teams and created delivery schedules.
    • Conducted the agile transformation of the teams.
    • Conducted project discovery.
    • Built the cybersecurity capability of the organization (drafting policies, optimizing processes and procedures) in accordance with ISO 27001.
    • Introduced risk management (through FMEA) and trade-off analysis (through ISO/IEC-9126).
  • Senior Manager, IT, Project Management

    2015 - 2016
    Sixt Leasing
    • Drafted and put in effect the first agile fixed-price contract for a new mobility platform.
    • Drafted and put in effect IT operations contracts for multiple inhouse and outsourced entities for a new mobility service - Global Reporting.
    • Managed the software construction and integration of the mobility services portal with Siemens' mobility department.
    • Conducted vendor management.
    • Designed and executed vendor selection (from RFP authoring to vendor selection).
  • Senior Manager, New Product Development, Program Management

    2008 - 2015
    Unify (formerly Siemens Enterprise Communications)
    • Managed the construction of projects (between $4 million USD and $15 million USD).
    • Managed the technical aspects of the OEM partnership with IBM.
    • Increased efficiency of the company-wide vulnerability management process.
    • Managed the activity to export products and service from the US.
    • Liaised with the services organization.
    • Conducted FMEA, risk monitoring, and mitigation.
  • Engineering Manager

    2007 - 2008
    Siemens IT Solutions & Services
    • Coached and mentored a team of five developers.
    • Conducted code reviews.
    • Designed the software architecture of the internationalization strategy of a portal in .NET.
    • Oversaw the activities of the team members.
    • Managed the project team delivering training to ECDC and delivered professional training.
  • Senior Engineer (Network Management and Subscriber Management Products)

    2004 - 2007
    Nokia Siemens Netwroks
    • Released management of the network and subscriber management products for the ITU/ETSI variants.
    • Implemented projects in both products.
    • Coached and mentored a team of three engineers.
    • Liaised with global vendor support for problems found at customers.
    • Extended the architecture of the network management product to deliver new project needs.
    • Elicited business requirements with systems engineers and other developers.

Project History

  • #PriceItUp
    Led the discovery, design, and implementation of a new service in the platform, under very strict timelines.

    #PriceItUp is Betvictor's product that allows customers to build their own bet, according to their wishes. The product offers a very wide selection and through the diversity of options, delivers highly pleasurable experiences in online gambling.

  • Cybersecurity in Betvictor
    Led a team of directors through the activities to increase Betvictor's cybersecurity stance.

    Cybersecurity is the internal project in Betvictor, aiming to increase the maturity in cybersecurity of the group of companies. Working directly with the group's CTO, under my leadership, I worked with directors and security experts, to discover, scope, implement or acquire technologies, and design the new capabilities of the organization (policies, processes, procedures) to deliver on the mandate. The activities included changing well-established procedures; building new capabilities for monitoring; cross-training and hiring personnel; and identifying, acquiring, and integrating new technologies in the environment.

  • Enhancing the Virtual Sports Offering
    Led the digital implementation of revamping the virtual offerings product with a new development site in Portugal.

    The company's virtual sports offering required revamping after years of being in operation. Working with the development outsourcing site in Portugal we delivered a newly revamped product, following modern architectural paradigms that addressed the maintainability issues that had proliferated over years of patching solutions and offered a more encapsulated solution design.

  • Circuit
    Delivered the company's first SaaS with a team of 150 engineers in 5 locations in the world through scaled Agile principles.

    Unify (formerly Siemens Enterprise communications) sought to enter the SaaS business as strategic decision to vertically integrate and move closer to the end-user. Circuit was the first product in the portfolio that would enable the company to enter the new business domain with a 15mln USD investment and partnering with Frog.

    The complexity of the endeavor was not only on the service design side, but on the engineering as well, given that new technologies that were part of the business scope, the project management transformation towards agile project management on top of the standard activities (e.g. export control from multiple countries, intellectual property classification, patent auditing, legal auditing, etc.).

  • B2B Mobility Portal
    Working under extremely tight deadlines, delivered the first digital B2B integration between Sixt Leasing and Siemens.

    The major challenges were along three dimensions:
    1. Sixt Leasing had never fully performed a full business process integration with one of its customers, to the degree that Siemens required
    2. setting up a new outsourcing partnership with two vendors, moving away from the traditional fixed-price contracts, by creating the first agile fixed-price contract in Sixt leasing.
    3. The scope of change which for Sixt Leasing was diverse and deep, because part of this partnership with Siemens meant that Sixt Leasing was moving away from the traditional business model of offering managed services, towards a business model of customer self-service.

    The delivery was happening under very strict deadlines, in order to facilitate the customer's organizational restructuring journey (as they were removing the automotive mobility function from their organization).

  • IBM OEM V1 - Enriching Sametime with VoIP and Conferencing
    Working with Unify, the first OEM partnership with IBM, in product delivery that was 11 months late to its commercialization.

    The IBM OEM project, was the strategic initiative of IBM partnering with Unify as an OEM, to enhance the Sametime suite with VoIP capabilities and compete against Microsoft and Skype for business.

    When I joined the IBM OEM project, it was already two months late. Working diligently with IBM and stakeholders inside Unify, we moved to an agile delivery cycle, integrating further with the 4 labs that IBM operated in the world and providing direct R&D-to-R&D support in the realization of the product.

    After 9 months of roughly 20 deliveries and almost 700 issues identified during the product integration activities, procurement activities that required exporting Unify's software from US instead of Germany, coordinating with the two companies' legal departments to ensure compliance to open source licences and intellectual property laws, IBM Sametime's organization made General Availability in July 2009 and reached competitive parity with Microsoft

  • ECDC Training Professional Services
    Coached junior trainers to provide training to the ECDC on the and how member countries would achieve data integration.

    Providing professional training to ECDC was Siemens Greece's first step to moving closer to the business areas that Siemens IT Solutions and Services provided.

    As part of the overall activity, a team of 8 trainers was tasked to provide professional training to ECDC, in the organization's first attempt to achieve digital data integration with the member states.

    The professional training held a substantial symbolic role due to the number of decision authority personnel participating in the activity and the challenge lay at achieving the educational needs of ECDC and solidify its role as the leading authority of data ownership of disease control and prevention in Europe.

    The trainers' team made a remarkable achievement, surpassing the quality expectations of ECDC and impressing the representatives of the member states with the quality of the outcome which solidified ECDC's training program with Siemens Greece as their partner of choice.


  • Master's Degree in Distributed Systems and Networks
    2000 - 2001
    University of Kent - Kent, United Kingdom
  • Bachelor's Degree in Computer Science
    1995 - 2000
    University of Piraeus - Piraeus, Greece


  • Corporate Strategy
    APRIL 2019 - PRESENT
    Coursera - University of Illinois at Urbana-Champaign
  • Foundations of Everyday Leadership
    APRIL 2019 - PRESENT
    Coursera - University of Illinois at Urbana-Champaign
  • Business Strategy
    Coursera - University of Illinois at Urbana-Champaign
  • Managing the Organization: From Organizational Design to Execution
    Coursera - University of Illinois at Urbana-Champaign
  • Designing the Organization: From Strategy to Organizational Structure
    Coursera - University of Illinois at Urbana-Champaign
  • Organizational Analysis
    JULY 2018 - PRESENT
    Coursera - Stanford
  • Applications of Everyday Leadership
    MAY 2001 - PRESENT
    Coursera - University of Illinois at Urbana-Champaign

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