Certificates are more than just a stamp to me. IT excellence means responsibility. That’s why I continuously update my technical knowledge and take multiple exams every year with international vendors and technology providers.
Each certification confirms not only expertise, but also the ability to deliver complex IT projects precisely, securely, and reliably. The overview below gives you a transparent insight into my successfully completed certifications.
Microsoft Verification
Transcript ID: 1098353 —
Access Code: mcpteissl
Full Overview:
PDF
/
XPS
LPI-ID:LPI000352132 Verifizierungscode: m9xu42c3w7
Verfification link
Cisco Verification
Authorization Code: available upon request
Apple Certified Associate – Mac Integration 10.10
PDF
Apple Certified Support Professional 10.10
PDF
Apple Certified Professionals Registry
Authorization Code: APPL21521
Juniper Certified Associate – E-Series, Associate (JNCIA-E)
PDF ·
Verification Link
Juniper Verification
CertManager ID: JPR00254288
-
Citrix Certified Administrator for Citrix XenApp 6
PDF -
Citrix Certified Administrator for Citrix XenServer 6
PDF -
Citrix Certified Professional – Mobility
PDF · Verification Link -
Citrix Certified Professional – Networking
PDF · Verification Link -
Citrix Certified Associate – Networking
PDF · Verification Link
Citrix Verification
Authorization Code: available upon request
-
IBM Rational IT Sales Solution Professional v2
PDF · Verification -
IBM Software Subscription and Support Sales Professional v1
PDF -
IBM SmartCloud for Business for SaaS Solution Provider Sales Professional v1
PDF -
IBM i2 Intelligence Sales Professional v2
PDF -
IBM Certified Associate SmartCloud ControlDesk V7.5
PDF
“You don’t build a reputation on what you are going to do.”
– Henry Ford
I apply this knowledge daily in international projects – from IT security, software development, system architecture, and cloud infrastructure to complex fintech and banking solutions.
My certifications are not just awards, but lived practice.
Excellence is built through transparency and quality.
The following documents provide you with a comprehensive overview of my professional expertise:
- CV (PDF):
cv-pdf.teissl.info - Service Overview / Qualification Proof:
proof-en.teissl.info - About Me – Full Overview:
www.teissl.me - Certification Overview (PDF):
certifications.teissl.info - Certification Overview (Video):
certifications-video.teissl.info
Authenticity Verification via Credly
All of my certifications are additionally verified via Credly. Credly is an internationally recognized platform for verifying the authenticity of exams, certificates, and digital credentials.
Each credential is stored there as a digital badge, proving successful completion of the exam and allowing tamper-proof verification.
You can find my verified certificates here:
Click here
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