Alexander Siahaan in

Alexander Siahaan

Critic · DISC type C
Senior Cloud Infrastructure & Cyber Security Manager at E.ON
📍 Essen, North Rhine-Westphalia, Germany

Professional overview including current role context, leadership scope, domain focus, and career trajectory to help you understand background relevance before outreach.

Key behavioral and communication insights including interaction style, decision-making tendencies, and motivation drivers to tailor messaging and personalize conversations.

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Experience
9 Years
Current Role
Senior Cloud Infrastructure & Cyber Security Manager
Job Level
Middle
Location
Essen, North Rhine-Westphalia, Germany
Personality Overview

How Alexander shows up

Information Seeker
Precise
Objective Thinker

They like to do things independently and don’t look for support from others. It is very likely that they will negotiate pricing or other important terms. Unless the value is proven by data, they are unlikely to value fancy features.

Priorities

Topics Alexander cares about

Strategic Priorities
Topic insights and context to help personalize outreach and discovery conversations.
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Career

Work history

2-2023
Senior Cloud Infrastructure & Cyber Security Manager
E.ON
1-2020 - 8-2022
IT Team Lead DevOps and Infrastructure
ETAS
9-2018 - 1-2020
IT Administrator
ETAS
9-2017 - 9-2018
IT Field Services Specialist
Secusmart GmbH
2-2016 - 8-2017
IT System Administrator
Sedo.com
In the press

Media appearances

Media appearances and press coverage highlighting public visibility and thought leadership.
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Education
2013 - 2015
Master of Science (M.Sc.)
University of Duisburg-Essen
2006 - 2010
Bachelor of Science (B.Sc.)
BINUS University
Social presence
in
Behavioral profile

DISC profile (public)

C

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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