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Hi, I am Pasquale

Pasquale Maccariello

Linux Systems Administrator at SWU TeleNet GmbH

I am a passionate IT Systems and Network Administrator with over 20 years of working experience.

Leadership
Team Work
Communication
Hard Working
Fast Learner
Problem Solving

Skills

Experiences

1
Linux System Administrator
SWU TeleNet GmbH

Feb 2022 - Present, Ulm, Germany

The SWU TeleNet GmbH is a Telecommunications service provider based in Ulm, Baden-Württemberg.

Senior IT Consultant, Systems/Networks Administrator
Systemzwo GmbH

Jan 2013 - Jan 2022, Ulm, Germany

The systemzwo group, headquartered in Ulm, is an independent, owner-managed IT consulting and service company.

Responsibilities:
  • Technical Presales support
  • Setup, configure and manage complex VPN and Firewall Infrastructure
  • Planning and executing of complex Networking migrations
  • 2nd and 3rd Level support for Customers
  • Maintenance of complex VMWare Clusters
  • Installation, configuration and maintenance of various Services under Linux (Web, FTP, Mail, etc..) and under Windows Server (Active Directory, DNS, NPS etc..)
  • Installation, configuration and maintenance of various Services as Docker Container (websites, lorawan backend servers, custom services).
  • Development of LoraWAN hardware on custom PCBs (electricity metering, custom LoRaWAN Field Tester)
  • IT Consulting for various Customer
  • Setup and system maintenance of virtual and physical Linux servers on x86_64 including high availability
  • Administration of Linux servers (RedHat Enterprise and various Linux distributions) on x86_64 according to ITIL processes
  • Incident Management (2nd Level support) and Problem Management (3rd Level support) for RedHat Enterprise and other Linux distributions
  • Linux security hardening and complex bash script development
  • Change, release and configuration management
  • Fault acceptance, error analysis and troubleshooting as part of incident management (2nd level and sometimes 3rd level support) including on-call service
  • Ensuring the smooth system operation of the IT infrastructure in the company’s own data center with a focus on server hardware, storage and virtualization
  • Maintenence of the Microsoft 365 environment/SharePoint.
  • Maintenence of the Microsoft Azure and Office365 environment and integration of the cloud infrastructure services
  • Administration, monitoring and problem solving of various IT security devices such as firewall, WAF and proxy systems
  • Technical implementation of various cloud projects
  • Installation, configuration and administration of ESXi (4.x to 7.x) clusters with different storage systems (DELL, NetAPP, HP, IBM/Lenovo)
  • Installation, configuration and maintenance of Backup and disaster recovery solutions (Veeam).
  • Setup and administration of complex and redundant network, firewall and VPN solutions
  • Planning and implementation of various network migrations
  • 3rd level support for different customer IT Environments
  • Maintenance support of various customer IT Infrastructures
2
3
Unix/Linux Systems Administrator
Wilken Rechenzentrum GmbH

May 2011 - Dec 2012, Ulm, Germany

The Wilken Software Group, headquartered in Ulm, has been developing its own standard ERP software for mapping core business processes since 1977 - be it in finance and accounting, materials management or corporate management.

Responsibilities:
  • Installation, configuration and maintenance of Linux SLES (SuSE Linux Enterprise Server)
  • First und Second Level support for the Wilken ERP Software
  • First und Second Level support for Oracle 9,10,11 Databases
  • Installation, configuration and maintenance of Inubit
  • Installation, configuration and maintenance of Wilken Ener:gy
  • Installation, configuration and maintenance of Wilken KIC (Kunden Informations Cockpit)
  • LAN, WiFi und Web Security Penetration Tests
  • First Level System Service
CEO
MACCARIELLO IT Consulting - Maccariello Pasquale

Oct 2009 - Feb 2011, Naples, Italy

Responsibilities:
  • Project and budget management
  • Setup and support of large virtualization environments
  • Installation, configuration and maintenance of complex VPN and Firewall Infrastructure
  • LAN, WiFi und Web Security Penetration Tests
  • Installation of rack cabinets, LAN and fiber optic cabling
  • Planning, installation, configuration and maintenance of high-availability networks
  • Use of VoIP PBX (VoiSmart) systems
  • Use of BES (Blackberry Enterprise Server) for the remote management of Blackberry communication devices.
  • Partnership with Diesse Solutions S.U.R.L for the Deployment of BES in South Italy and development of Blackberry APPs.
  • Network and Security assestment for Banks
  • System/Networking administrator for Banks
4
5
Heswick Limited London Branch Of Chiasso

Nov 2008 - Apr 2009, Chiasso, Switzerland

Senior Unix/Linux Systemadministrator

Nov 2008 - Apr 2009

  • Installation, configuration and maintenance of Asterisk PBX, Open Source Billing Software (A2Billing), VoIP prepaid systems and Asterisk clusters
  • Installation, configuration and maintenance of Linux servers (Slackware, Centos), Windows (2003 STD Small Business Server), Unix (Sun Solaris 5.10) and FortiGate firewalls.
  • Use of several products for the monitoring of systems and networks (Zabbix, Ossec, Ossim, snmp)
Teles IP-TDM Specialist

Nov 2008 - Apr 2009

  • Installation, configuration and maintenance of VoIP-TDM TELES Hardware
  • Setup of VoIP-TDM routing on TELES
Senior System and Network Administrator
Switchward & Trostmann AG

Nov 2007 - Oct 2008, Chiasso, Switzerland

Switchward & Trostmann AG was founded in 1998. The Company’s line of business includes providing communication services.

Responsibilities:
  • BGP management
  • Public IP adresses Management on Foundry RX8
  • Maintenance of HP, IBM and SUN servers
  • Installation, configuration and maintenance of SUN Storage and NetApp NAS clusters, VMware ESX 3.5, Vocaltec (VoIP) clusters, Linux servers (Slackware, Centos), Windows servers (2003 Small Business Server), Unix (Sun Solaris 5.10)
  • Installation, configuration and maintenance of various firewalls (m0n0wall, IpCop, PfSense (CARP Cluster), Cisco ASA, Foundry, Netscreen and IpTables)
  • Monitoring of several systems and networks with different monitoring software (Zabbix, Ossec, snmp, sflow, Manageengine products)
  • Maintenance of Oracle 9 and MySQL databases (number portability)
  • LAN, WiFi and Web Security Penetration Tests
6
7
Senior Unix/Linux Systems Administrator
Wind s.p.a.

Nov 2007 - Oct 2008, Milan, Italy

Wind Telecomunicazioni S.p.A. (also known as Wind Italy) was an Italian telecom operator which offers integrated mobile, fixed telephony and Internet services (under Wind brand for mobile and business services and under Infostrada brand for home).

Responsibilities:
  • Installation, configuration and maintenance of Red Hat Linux and VMware ESXi server clusters
H3G (Hutchinson Whampoa Limited)/ENSI (Ericsson)

Feb 2007 - Jul 2007, Milan, Italy

3 or Three is a global brand name under which several UMTS-based mobile phone networks and broadband internet providers operate in Hong Kong, Macau, Austria, Denmark, Indonesia, Ireland, Italy (Wind Tre), Sweden and the United Kingdom.

Senior Unix/Linux Systems Administrator - Deployment group

Feb 2007 - Jul 2007

  • Installation and configuration of Apache, Tomcat, Selector, Sdf, Tibco Application
Senior Unix/Linux Systems Administrator - Operation group

Feb 2007 - Jul 2007

  • Troubleshooting operational applications
Senior Unix/Linux Systems Administrator - DMS group

Feb 2007 - Jul 2007

  • Management of mobile streaming platforms (Vidiator)
8
9
Junior Unix/Linux Systems Administrator
H3G (Hutchinson Whampoa Limited)

Nov 2005 - Feb 2007, Milan, Italy

3 or Three is a global brand name under which several UMTS-based mobile phone networks and broadband internet providers operate in Hong Kong, Macau, Austria, Denmark, Indonesia, Ireland, Italy (Wind Tre), Sweden and the United Kingdom.

Responsibilities:
  • Create user
  • UID and GID allocation
  • Change of access rights to files and directories
  • Switch from package to HP clusters
  • Freeze, unfreeze from Veritas Cluster packages (via Veritas Cluster Manager)
  • Ufsdump from file systems
  • Monitoring servers with HP OpenView
  • Monitoring of backups and scheduled jobs with Control-M
  • Reboot of HP-UX and Sun Solaris operating systems
  • Run scripts to back up data on HP Superdome
  • Zombie processes removal
  • Installation of Sun Solaris 5.x
  • Installation and administration of Red Hat Linux AS / ES
Junior Unix/Linux Systems Administrator
Italia DOC

Apr 2005 - Aug 2008, Ulm, Germany

Commercial agency of Italian food

Responsibilities:
  • Accountant
10
11
Junior Unix/Linux Systems Administrator
Esercito Italiano - Forze Armate, distaccamento Sala Convegno Sottufficiali

Nov 2003 - Nov 2004, Rome, Italy

The Italian Army (Esercito Italiano) is the land-based component of the Italian Armed Forces of the Italian Republic.

Responsibilities:
  • Accountant
Network/Systems Administrator
Zumbolo S.A.S.

May 2000 - Nov 2003, Castel Volturno, Italy

Responsibilities:
  • support of Linux and Windows server systems
  • LAN and WiFi penetration tests
12
13
Network/Systems Administrator
TIM s.p.a

Jul 1999 - Nov 2000, Castel Volturno, Italy

Responsibilities:
  • support of Sun Solaris 5.7 Unix OS and Linux Slackware systems