Senior Systems Engineer - Complex Infrastructure, Networks, Security and Automation

Location: Milan
Department: IT Infrastructure
Reports to: IT Operation Manager / CIO
Availability: Immediate or to be agreed upon

Role Description:

We are looking for a Senior Systems Engineer with a comprehensive technical profile, capable of working in complex datacenter environments, on wired and wireless networks, virtualized infrastructures, advanced security systems, Microsoft enterprise environments, and with a strong orientation toward complex problem solving and operational automation.

The candidate will be a key figure in the management and evolution of internal IT infrastructure and enterprise customers, with a comprehensive view of the systems lifecycle, from design to operational management.

Main responsibilities:

  • Management of datacenter infrastructure and distributed environments across multiple locations, including multi-tenant logic.

  • Administration of complex networks, wired and wireless, with HPE Aruba and Cisco equipment.

  • Configuration, management, and troubleshooting of Fortinet FortiGate firewalls (physical and virtual), including integration with AD, VPN management, ZTNA, and advanced policies.

  • Administration and tuning of VMware vSphere environments, with experience on other virtualizers (e.g., Hyper-V, Proxmox, etc.).

  • Management of DELL, HPE and Lenovo physical servers, and enterprise storage including TrueNAS, SAN/NAS HPE MSA.

  • Backup and disaster recovery with Veeam and related protection strategies, including the use of S3/MinIO repositories.

  • Microsoft advanced administration: Active Directory, GPO, DNS/DHCP, Remote Desktop Services, Windows Server (2016/2019/2022).

  • Microsoft 365 management, Exchange Online, Intune, UEM (preferably Baramundi) and security policies (conditional access, device compliance, MFA).

  • Automation of IT operations with PowerShell, scripting, and integrated tools.

  • Proactive monitoring with PRTG, including threshold management, alerting, and dashboards.

  • Collaboration with NOC/SOC teams and active participation in continuous improvement, consolidation and infrastructure security projects.

Requirements

Technical skills required:

  • Minimum 5 years' experience in enterprise systems or MSP.

  • Mastery of technologies: VMware, Microsoft Server, FortiGate, Layer 2/3 HPE and Cisco networks.

  • In-depth knowledge of Microsoft 365 environments, GPO, RDS, AD Connect, MFA, Intune.

  • Experience in managing wired and Wi-Fi network infrastructure in enterprise environments.

  • Proficiency in the use of monitoring tools (PRTG or equivalent).

  • Familiarity with hardening, backup, disaster recovery and business continuity processes.

  • Strong focus on documentation and automation of operations.

Soft skills:

  • Initiative and aptitude for solving complex problems.

  • Ability to work under pressure, with defined priorities and SLAs.

  • Accuracy, reliability, and systemic vision.

  • Teamworking and propensity for knowledge sharing.

Preferred qualifications:

  • Technical certifications (e.g., Microsoft, Fortinet NSE4+, VMware VCP, Cisco CCNA/CCNP, ITIL).

  • Basic knowledge of Linux and open source environments.

  • Experience with automation solutions (e.g., Ansible, advanced scripting, orchestrators).

What we offer:

  • Strategic role in a high-level technical team.

  • Ability to work on modern technologies and challenging environments.

  • Technical training and certification pathways.

  • Dynamic environment geared toward innovation and professional growth.

The search is aimed at men and women (ex L.903/77)

Interested candidates are requested to email a detailed CV with authorization to process personal data (art. 13 D. Lgs 196/2003) to: Job@StimTechGroup.com