Senior IT Infrastructure Deployment & Security Lead

Astreya Consultancy Ireland Ltd; Ireland; Remote; EUR 51,000 - 63,000; Full time

Job summary

Astreya Consultancy Ireland Ltd is seeking an experienced IT Infrastructure Installation Service professional to independently execute and oversee complex server and network deployments for enterprise physical security systems in Ireland.

You will own installation projects, configure advanced infrastructure components, troubleshoot issues, and mentor junior engineers while ensuring smooth integration between servers, network gear, and security endpoints.

Qualifications

• 6+ years of hands-on experience in enterprise server and network infrastructure deployment.
• Strong expertise in Dell PowerEdge server platforms including RAID controllers (PERC) and iDRAC/Lifecycle Controller.
• Proficient in Cisco networking technologies including Catalyst switches, VLANs, QoS, PoE, and IOS security hardening.
• Experience deploying Windows Server and Linux OS in enterprise environments.
• Scripting with Python and PowerShell; automation tooling for deployment acceleration.
• Excellent communication and mentorship abilities for junior engineers in a 24x7 rotation.

Responsibilities

• Lead hardware provisioning including RAID configuration and disk optimization for high-write security applications.
• Configure iDRAC and Lifecycle Controller settings; establish firmware baselines with OpenManage before OS deployment.
• Deploy OS via PXE or iDRAC Virtual Media for Windows Server and hardened Linux distributions.
• Design network segmentation with VLANs and dedicated subnets for security traffic isolation.
• Configure QoS on Cisco Catalyst switches to prioritize video streams with low latency.
• Manage PoE budgeting on access layer switches for IP cameras and panels.
• Harden Cisco IOS devices with ACLs and secure management protocols.
• Coordinate with Network Engineers and Physical Security teams to validate readiness and paths.
• Perform validation tests: bandwidth, latency, physical layer checks before handoff to sustainment.
• Develop as-built docs: topology diagrams, VLAN matrices, IP records, backups.

Skills

Server deployment

Network deployment

Mentoring junior engineers

24x7 support experience

Cross-functional collaboration

Tools

Dell iDRAC

Lifecycle Controller

OpenManage

PXE boot infrastructure

iDRAC Virtual Media

Windows Server

Linux deployment

Ansible

Python

CMDB systems

Job description

Astreya Consultancy Ireland Ltd is seeking an experienced IT Infrastructure Installation Service professional to independently execute and oversee complex server and network deployments for enterprise physical security systems in Ireland.

You will own installation projects, configure advanced infrastructure components, troubleshoot issues, and mentor junior engineers while ensuring smooth integration between servers, network gear, and security endpoints.