11/06/2026 updated

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Senior Security Engineer & Technical Architect

Warsaw, Poland
Only remote
Master's Degree in Computer Science Engineering
Warsaw, Poland
Only remote
Master's Degree in Computer Science Engineering

Profile attachments

CV_MarcinWikiel_2025.docx

Active DirectoryMicrosoft AzureBlueprintingCloud ComputingCloud Computing SecurityComputer SecurityIncident ResponseMicrosoft Exchange ServerFailover ClusteringGovernanceHyper-VIdentity ManagementInfrastructure ManagementIntrusion Detection and PreventionNetwork SecurityMulti-Purpose Internet Mail Extensions (MIME)Network ArchitecturePublic Key InfrastructureX.509Remote Desktop ServicesAzure Active DirectorySkype for BusinessSecurity Information and Event ManagementSmart CardsUnified CommunicationsVirtualizationWi-Fi TechnologyLifecycle ManagementCyberarkFirewalls (Computer Science)Microsoft InTuneMicrosoft TeamsMicrosoft SentinelSafety Principles
Identity & Access Management
Microsoft Entra ID, Active Directory, AD FS, Azure AD Connect, CyberArk, Azure PIM, Identity Governance, MFA, Conditional Access

Cloud Security & Azure
Azure Landing Zone, Microsoft Defender for Cloud, Azure Firewall, WAF, Key Vault, Private Link, Azure Bastion, Azure Policy, Management Groups, Blueprints

Zero Trust & Modern Workplace
Conditional Access, Microsoft Defender XDR, Microsoft Purview, Intune, Device Compliance, Microsoft 365 Security

Threat Detection & Monitoring
Microsoft Sentinel, Microsoft Defender Suite, Wazuh SIEM/XDR, Security Operations, Incident Response

PKI & Certificate Services
AD Certificate Services, Cloud PKI, X.509 Certificates, Smart Cards, S/MIME, Certificate Lifecycle Management

Unified Communications
Microsoft Teams, Skype for Business, Exchange Server/Online, AudioCodes SBC, Pexip, Poly Endpoints, Enterprise Voice

Virtualization & Infrastructure
Hyper-V virtualization, System Center, failover clustering, terminal services

Network Security
WiFi security, ISA/TMG firewalls, network infrastructure design

Languages

EnglishFluentPolishNative speaker

Project history

Technical Architect / Senior Systems Engineer

Atos Poland
Design and deploy Digital Workplace solutions based on Microsoft 365 and Zero Trust methodology for enterprise clients. Architect Azure Landing Zone foundations including networking, security, and identity components. Implement M365 Desired State Configuration for baseline tenant governance and compliance. Build IDS and security monitoring platforms using Microsoft Defender XDR, Sentinel, and Wazuh. Design Privileged Access Management (PAM) and Role-Based Access Control (RBAC) solutions. Lead migrations of Unified Communications solutions to cloud.

Independent Consultant - Systems Engineer & Technical Architect

Mawik.IT
Partner with enterprise clients and Microsoft partners to design, implement, and optimize IT solutions. Deliver Active Directory migrations and hybrid identity designs with Azure AD/Entra ID. Implement identity management solutions using FIM/MIM, AD FS, and Azure AD. Design and deploy UC systems including Lync, Skype for Business, Teams, and Exchange hybrid. Integrate H.323 video endpoints and VoIP solutions with AudioCodes SBCs. Provide full-cycle project delivery with technical leadership and budget ownership.

Technical / Solutions Consultant

Hewlett Packard Enterprise
Subject Matter Expert for Microsoft Solutions within Technology Services Consulting team. Design and deliver identity management solutions using AD FS, FIM/MIM, and Azure AD. Architect hybrid AD deployments and Unified Communications solutions on Lync Server and Exchange. Deliver advanced solutions including failover clustering, terminal services, Hyper-V virtualization, System Center. Conduct technical presale presentations and partner/client workshops. Provide third-line support for deployed enterprise systems.

Systems Engineer

KA-NA
Implement Active Directory infrastructure and Group Policy for enterprise clients. Design and deploy PKI infrastructure with AD Certificate Services. Execute Exchange migrations for various organizations. Implement security solutions including SmartCards, S/MIME, WiFi security, ISA/TMG firewalls. Deploy enterprise monitoring with Microsoft System Center Operations Manager. Provide third-line support for Microsoft Premier clients.

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