Senior Systems Administrator

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

Senior Systems Administrator

Position Overview

We are seeking an experienced Senior Systems Administrator to design, maintain, and secure our core IT infrastructure. This role is responsible for ensuring high availability and performance of servers, networks, virtualization platforms, and cloud services while supporting a manufacturing environment. The ideal candidate will combine deep hands-on technical expertise in systems, networking, and security with strong troubleshooting, automation, and project delivery skills.

Key Responsibilities

• Administer, monitor, and maintain Windows Server environments, Active Directory, Group Policy (GPO) and Entra/Entra ID integrations to ensure reliability and security.
• Design, deploy, and manage virtualization platforms (VMware and Hyper-V) including capacity planning, performance tuning, and lifecycle upgrades.
• Manage on-premise and cloud infrastructure (Azure) including IaaS, identity integration, and hybrid configurations.
• Implement and maintain endpoint and workload security tools such as CrowdStrike and Cisco Umbrella, and ensure compliance with security standards.
• Configure and maintain network infrastructure components including switches, routers, firewalls (including Meraki, Cisco, Juniper), VPNs, and DNS to ensure stable and secure connectivity across sites.
• Manage MDM and endpoint configuration solutions (Intune) for device provisioning, patching, and configuration enforcement.
• Develop, maintain, and automate operational runbooks and scripts using PowerShell to streamline administrative tasks, deployments, and incident response.
• Support manufacturing-specific systems and OT/IT convergence initiatives, ensuring minimal downtime and alignment with production schedules.
• Plan and execute backup, disaster recovery and business continuity strategies, including regular testing and documentation.
• Lead and participate in infrastructure projects such as server migrations, cloud adoption, network upgrades, and security improvements, coordinating with stakeholders and vendors.
• Provide Tier 3 technical support and incident management for complex issues, performing root cause analysis and corrective action.
• Maintain accurate documentation of systems, network diagrams, configurations, and standard operating procedures.
• Mentor junior administrators and collaborate with cross-functional teams to deliver scalable, secure, and maintainable IT solutions.

Qualifications

• 5+ years of experience as a Systems Administrator or Network/Systems Engineer supporting enterprise infrastructure; experience in manufacturing environments preferred.
• Strong hands-on experience with Windows Server, Active Directory, Group Policy (GPO), and Entra/Entra ID.
• Proven expertise with virtualization platforms: VMware (vSphere) and Microsoft Hyper-V.
• Experience managing cloud environments, particularly Microsoft Azure, including networking, identity, and migration scenarios.
• Solid networking knowledge with experience on Cisco, Juniper, and Meraki devices, and managing firewalls, routing, switching, and DNS.
• Proficiency with endpoint management and security tools such as Microsoft Intune, CrowdStrike, and Cisco Umbrella.
• Familiarity with firewall administration, VPNs, and overall network security best practices.
• Scripting and automation skills using PowerShell; experience automating deployments and operational tasks a plus!
• Experience with server and infrastructure monitoring, backup and disaster recovery solutions.
• Knowledge of virtualization, storage, and SAN/NAS technologies.
• Relevant certifications preferred: Microsoft (Azure Administrator, Modern Desktop), VMware (VCP), Cisco (CCNA/CCNP), CompTIA (Security+, Server+).
• Demonstrated problem solving, prioritization, and incident management skills under pressure.
• Excellent communication skills, ability to document clearly, and experience coordinating with vendors and diverse technical teams.

Benefits

• Amazing compensation package
• PTO
• 401k
• Flexible Schedules
• Medical, Dental, Vision
• Unbeatable company culture
• & much much more!