Microsoft Senior Engineer

Vector Synergy; Brussel; On-site; EUR 65,000 - 90,000; Full time

Job summary

VECTOR SYNERGY sp. z o.o. in Mons, Belgium seeks a senior Microsoft infrastructure professional to design, implement, and operate secure enterprise services.

You will provide senior Expertise across Windows Server platforms, architecture, deployment, hardening, and migrations, within NATO/government‑level environments. The role emphasizes AD environments, domain trusts, GPOs, DNS integration, and identity infrastructure, delivering high availability and rigorous security controls for critical

Qualifications

• Strong experience in troubleshooting complex infrastructure and application issues, root‑cause analysis, security hardening, patching, upgrades, migrations and vulnerability remediation.
• Experience working within IT Service Management processes, including Incident, Problem, Change, Configuration and Release Management.
• Experience producing technical documentation, implementation procedures, operational guides and providing knowledge transfer.

Responsibilities

• Designing, implementing, configuring, operating, maintaining, and troubleshooting complex Microsoft enterprise infrastructure and associated services in secure enterprise environments.
• Providing senior-level technical expertise for Microsoft Windows Server platforms and associated infrastructure services throughout their complete lifecycle, including architecture, deployment, configuration, hardening, patching, upgrades, migrations, monitoring, and decommissioning.
• Designing, administering, and troubleshooting Microsoft Active Directory environments, including domains, forests, trusts, Group Policy, authentication services, DNS integration, and associated identity infrastructure.

Skills

Troubleshooting

ITSM processes

Technical documentation

Tools

Jira

Confluence

Bitbucket

Splunk

Power BI

Job description

• Strong experience in troubleshooting complex infrastructure and application issues, root‑cause analysis, security hardening, patching, upgrades, migrations and vulnerability remediation ;
• Experience working within IT Service Management processes, including Incident, Problem, Change, Configuration and Release Management ;
• Experience producing technical documentation, implementation procedures, operational guides and providing knowledge transfer .
• Experience working for NATO, military , governmental or other security‑sensitive organisations ;
• Experience supporting highly available or mission‑critical services ;
• Experience integrating Microsoft platforms with Jira , Confluence , Bitbucket , Splunk or Power BI .

Location

Mons, Belgium

Security Clearance

NATO Secret

Reference No

C005306 / Mons

Deadline For Application

14 .0 9 .2026 r.

Skills, Knowledge, Experience Required

• Strong experience in troubleshooting complex infrastructure and application issues, root‑cause analysis, security hardening, patching, upgrades, migrations and vulnerability remediation ;
• Experience working within IT Service Management processes, including Incident, Problem, Change, Configuration and Release Management ;
• Experience producing technical documentation, implementation procedures, operational guides and providing knowledge transfer .

Desirable

• Experience working for NATO, military , governmental or other security‑sensitive organisations ;
• Experience supporting highly available or mission‑critical services ;
• Experience integrating Microsoft platforms with Jira , Confluence , Bitbucket , Splunk or Power BI .

Duties/role

Designing, implementing, configuring, operating, maintaining, and troubleshooting complex Microsoft enterprise infrastructure and associated services in secure enterprise environments ; Providing senior‑level technical expertise for Microsoft Windows Server platforms and associated infrastructure services throughout their complete lifecycle, including architecture, deployment, configuration, hardening, patching, upgrades, migrations, monitoring, and decommissioning ; Designing, administering, and troubleshooting Microsoft Active Directory environments, including domains, forests, trusts, Group Policy, authentication services, DNS integration, and associated identity infrastructure .

VECTOR SYNERGY sp. z o.o., ul. Marcelińska 90, 60-324 Poznań, NIP PL7811857270, REGON 301575740, KRS: 0000369575Rejestr Przedsiębiorców KRS prowadzony przez Sąd Rejonowy Poznań – Nowe Miasto i Wilda w Poznaniu, VIII Wydział Gospodarczy KRS, kapitał zakładowy wynosi: 73.852,80 złotych wpłacony w całości, TEL [phone], FAX [phone], www.vectorsynergy.com , [e-mail]