Technical Specialist | Halian | Brussels

ph3Position Summary /h3 pWe are seeking an exceptionally skilled and experienced Technical Specialist to join our enterprise IT infrastructure team on a fully onsite permanent basis in Brussels. In this critical technical operations and system administration role, you will be responsible for maintaining, monitoring, and optimizing core IT infrastructure systems and servers. The ideal candidate will bring advanced professional technical support experience, strong systems administration expertise, and fluent English communication skills. /p h3Detailed

Job Description
/h3 pAs a Technical Specialist in Brussels via Halian, you will serve as a principal technical authority responsible for ensuring the high availability, security, and performance of enterprise server and network infrastructure. Your daily responsibilities will encompass administering server operating systems, monitoring system health, deploying infrastructure patches, and resolving escalated technical incidents. You will collaborate closely with engineering teams to execute IT infrastructure projects. /p h3Key Responsibilities /h3 ul liAdminister, configure, monitor, and maintain enterprise server operating systems, virtualized environments, and core IT infrastructure. /li liResolve escalated technical incidents, hardware failures, and software malfunctions across server and network layers. /li liDeploy operating system patches, security updates, and software packages using enterprise deployment tools. /li liMonitor system performance, resource utilization, and network latency using modern observability and alerting platforms. /li liParticipate in backup administration, disaster recovery testing, and data restoration procedures. /li liCollaborate proactively with security operations and network engineering teams to enforce IT governance standards. /li liManage infrastructure documentation, network topology diagrams, and server configuration inventories. /li liProvide technical guidance and tier-3 support to junior helpdesk and support specialists. /li liParticipate in scheduled change management windows and out-of-hours maintenance rotations. /li liAuthor comprehensive operational runbooks, system health reports, and standard operating procedures. /li /ul h3Required Qualifications Skills /h3 ul liBachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related discipline. /li liMinimum of 5+ years of professional IT infrastructure administration or technical specialist experience. /li liDeep technical proficiency in Windows Server, Linux (RHEL/Ubuntu), VMware/Hyper-V virtualization, and Active Directory. /li liSolid working knowledge of TCP/IP networking, DNS, DHCP, firewalls, and enterprise storage systems. /li liProven analytical problem-solving, incident management, and cross-functional communication capabilities. /li liMandatory language proficiency: Fluent English (written and verbal). /li liMandatory residency/work authorization: Ability to operate fully onsite in Brussels. /li /ul h3Nice-to-Have Skills /h3 ul liProfessional certifications such as Microsoft Certified: Windows Server Administrator, RHCE, CCNA, or ITIL. /li liPrior professional experience working within financial institutions, banking, or corporate headquarters in Brussels. /li liFamiliarity with automation scripting using PowerShell, Python, or Bash. /li liImmediate availability for onsite mobilization in Brussels. /li /ul h3Job Details /h3 pSalary/Rate: Competitive market rate /p pDeadline: Immediate /p pNotice Period: 30 to 60 Days /p pContract Duration: Full Time / Permanent /p h3Recruitment Pro Tip /h3 pWhen applying for this Technical Specialist position with Halian, ensure your resume explicitly highlights your enterprise server administration experience, your virtualization expertise, and your incident resolution background. /p /p