Senior Systems Administrator - Flexible Infra/Security

CyberCoders; Schaumburg (IL); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Amazing compensation package

PTO

401k

Flexible Schedules

Medical, Dental, Vision

Unbeatable company culture

Job summary

CyberCoders is seeking a Senior Systems Administrator to design, maintain, and secure our core IT infrastructure in a manufacturing setting. You will ensure high availability for servers, networks, virtualization, and cloud services while leading automation and incident response efforts.

The role requires deep expertise in Windows Server, Active Directory, GPO, Entra/Entra ID, VMware, Hyper‑V, Azure, Intune, CrowdStrike, and Cisco Umbrella, with a focus on reliability and security.

Qualifications

• 5+ years of experience as a System Administrator or equivalent in enterprise infrastructure, preferably manufacturing environments.
• Strong hands-on with Windows Server, Active Directory, GPO, and Entra/Entra ID.
• Proven virtualization experience with VMware and Hyper‑V.
• Experience managing cloud environments, especially Azure, including networking, identity, and migrations.
• Solid networking knowledge with Cisco, Juniper, Meraki, firewall, DNS, VPN expertise.
• Proficiency with endpoint security tools such as Intune, CrowdStrike, and Cisco Umbrella.
• PowerShell scripting and automation to streamline deployments and operations.
• Experience with monitoring, backup, DR, and IT continuity strategies.
• Knowledge of virtualization, storage, and SAN/NAS technologies.
• Relevant certs: Azure Administrator, VMware VCP, CCNA/CCNP, Security+.

Responsibilities

• Design, deploy, and maintain Windows Server, AD, and GPO configurations for reliability and security.
• Manage VMware and Hyper‑V virtualization platforms with capacity planning and upgrades.
• Oversee on‑premise and Azure cloud infrastructure including IaaS and identity integration.
• Implement endpoint and workload security tools and enforce security standards.
• Configure networks, VPNs, DNS, switches, routers, and firewalls to ensure site connectivity.
• Administer Intune for device provisioning and patching.
• Develop runbooks and PowerShell scripts to automate tasks and incidents.
• Support manufacturing OT/IT convergence and ensure minimal downtime.
• Plan backups, disaster recovery, and business continuity exercises with documentation.
• Lead infrastructure projects and coordinate with vendors and stakeholders.
• Provide Tier 3 support and thorough root-cause analysis for complex issues.
• Maintain up-to-date system and network documentation and diagrams.
• Mentor junior staff and collaborate across teams for scalable IT solutions.

Skills

Windows Server

Active Directory

GPO

PowerShell

VMware

Hyper-V

Azure

Intune

CrowdStrike

Cisco Umbrella

Meraki

DNS

VPNs

Tools

PowerShell

VMware

Hyper-V

Azure

Intune

CrowdStrike

Cisco Umbrella

Job description

CyberCoders is seeking a Senior Systems Administrator to design, maintain, and secure our core IT infrastructure in a manufacturing setting. You will ensure high availability for servers, networks, virtualization, and cloud services while leading automation and incident response efforts.

The role requires deep expertise in Windows Server, Active Directory, GPO, Entra/Entra ID, VMware, Hyper‑V, Azure, Intune, CrowdStrike, and Cisco Umbrella, with a focus on reliability and security.