IT Interim Management, Compliancy, Security & ITSM Expertise

Helping organizations strengthen IT operations, streamline service management, and stay compliant.

Over mij

Hi, Mijn naam is Dietwin Betlem. Een zeer ervaren IT profesional met specialisaties in ITSM processen, Service Integratie (SIAM), IT Service (Delivery) Management en Risk Management, Security & Compliancy. Met een achtergrond in IT Operations en Service Delivery Management voor Managed Service Providers Help ik Organisaties hun efficiency te verbeteren, Hun compliancy te vergroten en De IT strategie te laten alignen met de Business.
ik geloof sterk in een pragmatische benadering om de vaak complexe vraagtstukken te vertalen naar practische, meetbare oplossingen die waarde toevoegen aan de keten.

IT Interim Management, Compliancy & ITSM Expertise

ITSM PROCESS HEALTH CHECK

Beoordeel de volwassenheid van uw ITSM-processen en identificeer verbeterpunten binnen Incident, Change, Problem, Request, Configuration en Release management.

NIS2 COMPLIANCE SCAN

Bepaal of NIS2 van toepassing is op uw organisatie, identificeer compliance gaps en ontvang een praktische roadmap om te voldoen aan de cybersecurity-eisen.

IT COST OPTIMIZATION

Breng onnodige IT-kosten in kaart binnen software, cloud, telecom en managed services en realiseer direct meetbare besparingen.

SIAM QUICK-START PACKAGE

Creëer structuur in multi-vendor IT-omgevingen met duidelijke SIAM-governance, rollen en prestatiesturing voor betere samenwerking met leveranciers.

IT SOURCING STRATEGY

Ontwikkel een effectieve sourcingstrategie, selecteer de juiste leveranciers en optimaliseer contracten voor lagere kosten en betere prestaties.

IT SERVICE CATALOG DESIGN

Maak IT-dienstverlening transparant met een helder servicecatalogus inclusief SLA’s, beschikbaarheid en serviceniveaus.

CHANGE MANAGEMENT OFFICE SETUP

Verbeter het changeproces met duidelijke governance, templates en risicobeheersing om het aantal mislukte en spoedchanges te verminderen.

IT GOVERNANCE FRAMEWORK

Zorg voor betere alignment tussen IT en business met een gestructureerd governance-model, heldere besluitvorming en portfoliomanagement.

Work Experience

May2024 - Present

Owner

BSD Advies & Interim

Experienced IT and Service Delivery Consultant
Broad background in outsourcing and security
Operational, policy-driven and strategic expertise
Applies experience to tenders, onboarding and
transformation projects

Nov 2024 - Present

Conclusion/Quanza/RWS

SDM, security

Active as Risk Manager, Quartermaster, ITIL Process
Manager, and SIM Manager on Large Mission Critical
account.
Supervised a Large-contract where ITIL processes
were integrated into a SIAM framework.
Established and staffed a Change Office, including
implementation of new security measures and
controls

Nov 2021 - Nov2024

Service Delivery Manager

Large Accounts

Management of complex, high-value portfolios with
strategic impact
P&L responsibility across multiple accounts, closely
involved in business cases and governance
Bridge between clients, suppliers, and internal
teams

Nov 2018-2021

Captain of Services

Wortell

Leadership role in a fast-growing organization; team
expanded from 30 to 90 employees
Managed the Service Management Team (9 people)

2006 - 2014

BT Global Services

SR. Service Account Manager & Operational team lead

End-to-end operational responsibility for Regio
College Zaanstad
Full autonomy with a permanent team of six
Pre-sales activities, tender management, Due
Diligence
Project management
Tactical and operational contact for all assigned
customers

2002 - 2006

Service Manager

Syntegra SCN

Responsible for all services delivered from the
Syntegra Group portfolio in co- and outsourcing
and managed services
Pre-sales activities
Reporting and project management
Creation of sales leads

VIEW FULL RESUME

Skills

Teambuilding

90%

IT Security (CISM)

75%

Creating shared values and common ground

100%

IT Interim Management

95%

Process Design & Optimization

88%

IT Service Management (ITSM)

90%

Risk Management & Compliance

92%

IT Strategy & Transformation

88%

Languages

Dutch

100%

German

65%

English

90%

Spanish

43%

Education

Tools & Technologies

CRM

• MS365

ITSM

• Assyst • ServiceNow • Freshservice • TopDesk

Collaboration

• JIRA • Microsoft Teams

Let's Connect

Looking for an experienced IT professional to support your organization’s next phase of growth or transformation?
Let’s connect and discuss how I can help.