Tomas Selian-Cyber Security Consultant | IAM | Azure & Entra ID | Security Engineering
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Experience
Security Administrator
SYNOT Games
- Defending systems against unauthorized access
- Performing and/or participating on vulnerability and penetration tests
- Configuring and supporting security tools
- Participate on Implementing network security policies
- Participate on analyzing and establishing security requirements via SIEM
- Identifying threats and working on steps to defend against them
- Deployment and management of Active Directory (AD) and Azure Active Directory (Azure AD) environments, ensuring they are secure, scalable, and optimized for performance
- Conducting security audits
- Making policy recommendations
- Providing technical security advice
- Consulting with staff, managers and executive on best security practices
- Cooperate with external audit companies during Audits
- Keep security related documentation and procedures up to date (ISMS and ISO 27001/2 standards)
Azure DevOps Administrator
Zuhlke
- Support the customer with the remediation of compliance issues of Azure cloud hosted products
- Install, configure, and administer customer production Microsoft infrastructure and applications in Azure
- Ensure appropriate availability of services
- Troubleshooting of infrastructure issues
- Document and execute standard operation procedures thoroughly
- Support in CD pipeline development
- Perform software upgrades and post upgrade validations
- Audit storage instances and ensure full disk encryption
- Assist with high priority road map activities to support continued business growth
- All activities are planned based on Product Increments following the Scaled Agile Framework
Identity & Access Management - Engineering Operation Specialist
Bank Julius Bär & Co AG
- Onboarding Applications to IAM Core (Identity & Access Management System)
- Modelling and implementation of business and technical roles in the IAM System
- Configuration and maintain access in Active Directory, IAM System and target systems
- Process Access data using Excel and SQL - Analyze applications, collect, and document data related to access rights
- Creation and maintenance catalog requests via ServiceNow web and data import sheets
- Using and creating PowerShell scripts for access and Active Directory group management
- Identify dependencies between processes and IT systems related to access rights
- Configuration and maintain Items in HPSM & JIRA
- Support the Service & Product Manager across several technical domains
Application Service Desk Support for European AIS Database (EAD)
Frequentis AG
- Monitor and handle European AIS Database (EAD) Service Desk tickets assigned to the Application Providers on behalf of the Development team to ensure they do not breach Service Level Agreement (SLA within ITIL standards)
- Creating Oracle Database reports for customers via SQL scrips in SQL Developer.
- Supporting aeronautical JAVA application products
- Participation Testing of company JAVA aeronautical application products manually or via SOAP UI. (DEV, SQT, FAT, SAT)
- Check JAVA application, system and HW logs on Linux server via Terminal or WinSCP
Windows Delivery Lead (3rd line support)
DXC Technology Slovakia s. r. o.
- Delivering Windows servers and Microsoft technologies solutions within HPE Virtual Private Cloud (IaaS + PaaS)
- Deep technical support for Windows servers (2003, 2008, 2012, 2016) used for SAP Application - Responsible for full lifecycle of the environment (build/release-setup-rundecommission)
- Responsibility for service delivery according to the Service description (SLO and SLA) within ITIL standards (incident, change, problem management and root cause analysis (RCA))
- Participation on "in-to-cloud" migration projects and technical consultancy
- HA solutions (Microsoft Clustering Technology - local and metro clusters based on HP 3PAR CLX cluster technology)
- Active Directory deployment and ownership - Compliance and security findings remediation - Patching management of Microsoft Windows servers via HPSA
System Administrator & Technical PreSales
ANEXT
- Responsible for Windows servers on Tier 3 support line
- Working with Suppliers licenses, software, and hardware
- Install, configure, and support IBM Cognos, VMware, Microsoft Services and Features: SQL Cluster Server 2012, SharePoint 2013, IIS, TFS, Hyper-V, Active Directory, DNS, DHCP...
- Create and support customized Microsoft Team Foundation workflow in Microsoft Visual Studio - Deploying software releases to Microsoft Windows servers
Windows System Specialist
AT&T Global Network Services Slovakia, s.r.o.
- Responsible for Windows servers on Tier 3 support line
- Provides support to Microsoft Windows Systems (2000, 2003, 2008, 2012) including operating system installation, maintenance, update and upgrade as well as troubleshooting hardware components, storage (SAN), root cause analysis (RCA)
- Deploying operating systems, software applications, hardware and software inventory and software updates with Microsoft System Center Configuration (SCCM) Manager 2007 and 2012
Technical Support Engineer
ESET, spol. s r.o.
- Support and replicate customer issues with ESET products
- Solve customer's problems to his/her the best satisfaction
- Worked in tools: Web Gad, SysInspector, GMER, Wireshark
- Communication verbal and written with customers in English and Slovak language
- Test ESET products
Windows system engineer
Hewlett Packard
- investigate, check, reboot, maintain and patch windows servers (NT4, 2000,2003,2008, virtual servers)
- start server with Integrated Lights-Out (iLO)
- operate in ESL Read Interface
- communication verbal and written with customer's in English language
- solve customer's problems to his/her the best satisfaction
- work in tools: Remedy-EWM,OVSD - Open View Service Desk , OVSC – Open View Service Center, OVSM – Open View Service Manager
- local printer configuration
- performs troubleshooting ISS (restart of IIS, checking if sites are running)
- performs troubleshooting of Open View Performance Agent (OVPA)
- remote technical support systems, applications and databases which are running on windows platform
Backup support specialist
Hewlett Packard
- backup and restore data (File system, Database)
- communication verbal and written with customer's in English language
- solve customer's problems to his/her the best satisfaction
- operate in ESL Read Interface
- work in tools: Remedy-EWM,OVSD - Open View Service Desk , OVSC – Open View Service Center, OVSM – Open View Service Manager
- basic remote and local management of libraries
- work in: Veritas Backup Exec, HP Data Protector (Omniback), NetBackup, Legato
- investigate and solve backups (start, restart, abort, schedule,set)
- remote technical support systems and applications which are running on windows or UNIX platforms
CNC Machine Operator - Potting Station
SCHRADER ELECTRONIC a Tomkins Company
- operating and setting CNC potting machines
- handling line stoppage problems quickly and efficiently, seeking advice where necessary
- entering production data into IT systems and using SPC procedures
- producing the highest standard of work possible in line with the company's TSI^{S} procedures
- carrying out any other tasks needed for the smooth running of the production process
CNC Machine Operator - Small Casting Shop
RYOBI Aluminium Casting (UK) Ltd (RAC (UK))
- operating and setting CNC casting machines (STP PRESSE and BUHLER) with ABB arm robot
- components made on CNC casting machines: engine parts
- materials used: steel, aluminum
- working from technical drawings
Information Technologies- Assistant MES (Manufacturing Execution System)
KIA Motors Slovakia s.r.o
- monitoring the manufacturing execution system
- monitoring I/O servers (sending and receiving data)
- contacting vendors if there was a problem
- checking the process and graphic display system SCADA
- helpdesk for PCs and KIA equipment
- installing KIA software and hardware
Quality - Gauge Setter
INA Kysuce a.s.
- setting gauges for bearing manufacturing (lathe, CNC lathe, CNC milling machine, assembly, drill machine, finishing, grinding machine, roll machine)
- working from technical drawings
- printing from technical documents
- setting tolerances: from 0.01 mm to 0.001 mm
- materials used: steel, cast iron
- recording and calibrating gauges in systems: INA Host, SAP
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Manufacturing, Telecommunication, Banking and Finance, Aerospace and Defense, and Automotive.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, Quality Assurance, Customer Service, Production, and Audit.
Summary
Experienced and motivated Azure, IAM, PAM, Security, and Windows Server Administrator with over a decade in IT. I bring energy, teamwork, and a commitment to excellence, seeking to contribute to business success in a new career opportunity.
Skills
- Microsoft Azure: Skillful
- Identity And Access Management (Iam): Advanced
- Windows Server Administration: Expert
- Microsoft Active Directory: Advanced
- Client/Server Administration: Advanced
- Microsoft Office: Advanced
- Microsoft Sql Server: Skillful
- It Security: Basic
- Lan/Wan Administration: Basic
- Sap: Basic
- Microsoft Infrastructure And Applications In Azure
- Sharepoint: Basic
- Unix/Linux Administration: Basic
- Azure Devops Server: Beginner
Languages
Education
Secondary Industrial School
Mechatronics · Slovakia
Certifications & licenses
Microsoft Certified: Cybersecurity Architect Expert
Microsoft Certified: Azure Security Engineer Associate
Microsoft Certified: Azure Administrator Associate
Microsoft Certified: Azure Fundamentals
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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