Technical Support Engineer - Windows Directory Services

November 5, 2026

Hybrid

Senior

Lisboa, Portugal

Indeed

Keep in mind

Citizenship requirement applies

Also worth knowing

English is required

Description

Senior Technical Support Engineer in the Customer Service & Support organization, owning and resolving complex customer technical issues across Windows Server and Active Directory environments. The role combines deep hands-on troubleshooting with mentoring peers and collaborating with engineering teams to drive product improvements and diagnostic tooling.

Responsibilities

Own, investigate and solve complex customer technical issues as an advisor to the customer
Collaborate within and across teams, leveraging troubleshooting tools and practices
Build communities with peer delivery roles and share knowledge through readiness programs
Provide technical coaching and mentoring of others
Deepen technical and professional proficiency to resolve complex customer issues through training and readiness
Engage with Engineering and Supportability teams to investigate potential product defects
Help develop automation techniques and diagnostic tools, driving product improvements

Requirements

Configuring, administering and troubleshooting Windows Server 2016, 2019, 2022 and 2025 and Windows 10/11 clients in domain environments
Deploying, configuring, administering and troubleshooting Active Directory Domain Services in enterprise and multi-forest environments
Solid understanding of core identity and authentication protocols: Kerberos, NTLM, LDAP, DNS and DHCP
Skill with troubleshooting tools and log review such as Event Viewer, dcdiag, repadmin, Process Monitor and Wireshark
Knowledge of datacenter technologies including server administration, virtualization, backup and recovery, high availability
Experience with Active Directory replication, FSMO roles, sites and services, and trust relationships
Group Policy design, processing and troubleshooting
Authentication and authorization issues such as Kerberos delegation, account lockouts and secure channel
Active Directory Certificate Services (PKI) including certificate enrollment and auto-enrollment
Active Directory Federation Services (AD FS) and hybrid identity with Microsoft Entra Connect / Entra ID
DFS Replication (DFSR) and SYSVOL
Active Directory backup, restore and forest recovery
Domain controller promotion, demotion, upgrade and migration including ADMT
Directory security hardening such as Windows LAPS, tiered administration and Credential Guard
Knowledge of Windows debugging such as dump analysis of LSASS hangs or crashes would be a plus
Confident reading, writing and speaking English