Summary
Overview
Work history
Education
Skills
Websites
Certification
Languages
Custom
Timeline
Generic

Theo Schonken

Greystones,Ireland

Summary

Seasoned professional specializing in API integration, agile project management, and stakeholder communication. Proven track record in technical documentation, SaaS implementation, and delivering projects across multiple time zones. Expertise in C# and Java programming, SQL database management, and web development, complemented by leadership and mentoring skills. Proficient in JIRA, Confluence, UML, BPMN, and experienced with SOA, virtualisation technologies, and cloud services like Azure.

Overview

25
25
years of professional experience
2020
2020
years of post-secondary education
1
1
Certification

Work history

PRODUCT OWNER / IMPLEMENTATION ENGINEER

SITA IRELAND
01.2024 - 08.2025
  • Product owner for SITA's APV (AirportVision) Information Display System used over 140 international airports.
  • Act as technical point of contact for global airport clients during implementation of APV systems.
  • Liaise with internal and external stakeholders to gather requirements, prioritise features, and manage backlog.
  • Provide post-go-live technical support and consult on optimisation to improve customer experience.
  • Create system features and user stories in collaboration with cross-functional teams.
  • Assessed market demands for guiding new feature integration into existing products.
  • Led brainstorming sessions for generation of new product ideas.
  • Conducted thorough competitor analysis for identification of market trends.
  • Integrated feedback into product improvements, drove customer retention rates up.
  • Managed stakeholder expectations, improved client relations.

IMPLEMENTATION ENGINEER/BUSINESS ANALYST

SITA IRELAND
01.2018 - 01.2024
  • Delivered full-cycle implementations and support of airport IT solutions, including API/SFTP B2B and system integrations (REST, SQL, JSON).
  • Owned customer onboarding from kickoff through UAT and go-live.
  • Managed multiple concurrent client projects across international time zones.
  • Consulted with client technical teams to resolve integration challenges post-implementation.
  • Designed and executed solutions using SQL, JSON, XSL; configured systems to meet customer needs.
  • Led UAT, FAT, SAT sessions and compiled comprehensive documentation and training materials.
  • Train, assist and guide customers to configure software suites to streamline their airport operations.
  • Responsible for successfully managing team of 8 implementation engineers in delivering airport resources and flight management systems as well as Flight Information Visual Display systems at multiple international airports.
  • Managing, planning and executing implementation and deployment of airport IT systems on site.
  • Mentor junior engineers.
  • Lead requirements gathering session with customers.
  • Compiling support material and training curriculum for IT systems.
  • Compiling implementation guides to assist customers in performing upgrades independently if needed.
  • Worked closely with customers during post-implementation phase, offering crucial technical support.
  • Resolved system malfunctions with quick troubleshooting techniques.
  • Managed multiple projects concurrently, delivering high-quality results under strict deadlines.

BUSINESS ANALYST

SITA IRELAND
01.2009 - 01.2018
  • Team Lead for the Business Analyst team.
  • Led business analysis sessions with customers on site.
  • Compiled support material and training curriculum for Airport Management Systems software.
  • Developed Reports using SQL Server Reporting Services (SSRS).
  • Designed and implemented systems integration solutions.
  • Provided training to end users of Airport Management Systems software.
  • Assisted in 3rd-Level support.
  • Designed and implemented data integration systems at various airports around the world.
  • Created User Acceptance Testing documentation for Airport Management Systems.
  • Led User Acceptance Testing sessions.
  • Created training curriculum and course material for Airport Management System.
  • Participated in the design and development of Airport Management Systems software.
  • Designed airport infrastructure solutions using VMware, networking and SAN technologies.

Implementation Engineer

SITA South Africa
01.2007 - 01.2009

Support Lead

SITA Canada
01.2006 - 01.2007

Software Developer

Various Firms
01.2001 - 01.2006

Education

MASTER'S DEGREE - Information Systems

Anglia Ruskin University

Skills

  • API integration and support
  • Agile project management
  • Stakeholder communication
  • Technical documentation
  • SaaS implementation
  • Multi-timezone delivery
  • Leadership and mentoring
  • Problem solving and analysis
  • C# and Java programming
  • SQL and database management
  • Web development (HTML, JavaScript)
  • Visual Basic and VBScript
  • Project management tools (JIRA, Confluence)
  • Modeling languages (UML, BPMN)
  • Service-oriented architecture (SOA)
  • Virtualisation technologies (VMware, Hyper-V)
  • Database systems (SQL Server, Oracle)
  • Operating systems (Windows, Linux)
  • Cloud services (Azure)

Certification

Introduction to Project Management / Project Pro

Languages

English
Afrikaans

Custom

  • Cybersecurity Awareness
  • Privacy and Data Protection Essentials
  • Unleash Management Development Program / The Ken Blanchard Company
  • Business Acumen / OnTrack International
  • Customer First / OnTrack International
  • Presenting With Impact / OnTrack International
  • Conflict Management / OnTrack International
  • Effective Communications / OnTrack International
  • Business Acumen / Project Pro

Timeline

PRODUCT OWNER / IMPLEMENTATION ENGINEER

SITA IRELAND
01.2024 - 08.2025

IMPLEMENTATION ENGINEER/BUSINESS ANALYST

SITA IRELAND
01.2018 - 01.2024

BUSINESS ANALYST

SITA IRELAND
01.2009 - 01.2018

Implementation Engineer

SITA South Africa
01.2007 - 01.2009

Support Lead

SITA Canada
01.2006 - 01.2007

Software Developer

Various Firms
01.2001 - 01.2006

MASTER'S DEGREE - Information Systems

Anglia Ruskin University

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