David K. Email & Phone Number

Olomouc, Olomoucký, Česko

I was responsible for global server hardening (~1000 servers) - OS Update administration, OS upgrade, EDR (Malwerbyte/Cybereason) and Active Directory Security and Hardening (ADUC). I administrated and developed Solution Business Manager system for submitting tickets for global support. My scope was also Sendgrid administration as 3rd party SMTP provider (~10M emails/month).Technologies:- Windows server W2008R2, W2012R2, W2016, Ubuntu 18, 20- VMware cloud director- Azure cloud / AzureArc- AWX Ansible (open source)- Rundeck - Serena Business Manager- Sendgrid

Olomouc, Olomoucký, Česko

I joined the InfraOps team as junior System engineer. I am responsible for Azure administration and support for other teams. I have been working on IaaC transformation by Terraform since January that covers VMs. I administrate Sendgrid as 3rd party SMTP provider.Technologies:- Windows server W2008R2, W2012R2, W2016, W2022 Ubuntu 20, 22- Azure cloud / AzureArc- Terraform- AWX Ansible (open source)- Rundeck - DevOps- Sendgrid

Olomouc, Olomoucký, Česko

I was in charge of better cooperation between L2 support (~100 people in IBM) & L3 IT support i.e. flawless processes, L3 -> L2 handovers, evaluation and reporting of critical incidents to management by root cause analysis with following preventive steps. I administrated and developed Solution Business Manager system for submitting tickets for global support.Technologies: - Windows server W2008R2, W2012R2 - Serena Business Manager

I was part of local IT team at the branch of Czechoslovak group. My responsibility was SW support for branch/users .Technologies:- Windows server W2008(R2) -W2012(R2) - Windows desktop Win7,10, RaspberryPi- Active Directory - ADUC, DNS- Safetica- ORsystem- CAD stations - YSoft SAFEQ Print Management- H3C switches- Unify wireless network

L2 IT administrator at the local branch of German company (HQ). I administrated whole infrastructure from network devices across servers to SAN with backup (by Veeam and Tivoli). Environment with 60 servers (OS W2008-2012R2), 3 VMware ESX, 60 switches, AD hardening with local GPO and SafeQ printing administration. I participated domain migration to new domain in Active Director and DFS design. Technologies:- Windows servers W2008R2, W2012(R2)- ESXs VMware & vCenter- Active Directory - ADUC, GPO, DNS - Veeam & IBM Tivoli backup/archiving- 60 H3P switches- Brocade SAN network - YSoft SAFEQ Print Management

Okres Prostějov, Česká Republika

IT outsourcing in small business companies with focusing on low-cost solution (freeware). I was in charge of customer support and project realization. Technologies:Windows servers SBS, 2003,2008(R2), W2012Network devices: Mikrotik, HP ProCurve, 3COM

Česká Republika

Complete IT outsourcing in of Cinestar chain that included IT administration and development. I was responsible for L1/L2 support across all Cinema branches.Technologies: - Windows servers W2008-W2012- ESET RA- Monitoring via PRTG- server rooms replacement - new devices, cable management- data backup

Okres Prostějov, Česká Republika

IT administration and development. I was responsible for IT operation, security and support including IT audit and data back-up/archive by IBM Tivoli. I was part of replacement firewall & switches project. Technologies: - ESET RA, McAfee Webwasher & Ironmail, IT ISO 27001. - Firewalls (Juniper, HP)- Windows servers (W2003,W2008) HP blade- Switches (HP ProCurve)- backup by Tivoli IBM

Bakalář (Bc.), Elektronika A Sdělovací Technika

Inženýr (Ing.), Telecommunications Technology/Technician