IT Infrastructure Engineer
Addus HomeCare•Lisle, IL
•Hybrid
About The Position
The Infrastructure Engineer is responsible for the design, implementation, and support of Addus� enterprise infrastructure across over 200+ locations. This role supports core systems including network, server, virtualization, voice, and cloud platforms, ensuring high availability and performance across all sites.
Requirements
- 5+ years of infrastructure engineering experience
- Hands-on experience with: Cisco network infrastructure (routers, switches, wireless), including experience with VPN technologies such as DMVPN and IPsec tunnels
- Palo Alto firewalls
- Microsoft 365 / Azure / Entra / MS Teams Phones
- Windows Servers (2019�2022)
- Hyper-V Virtualization
- Experience supporting multi-site environments
- Experience working with ISPs and troubleshooting connectivity issues
- Strong troubleshooting and root-cause analysis skills
- Ability to work independently in a fast-paced environment
- Strong communication with both technical and non-technical users
- Ownership mindset for incidents and systems
- Ability to prioritize during outages and incidents
Responsibilities
- Support and maintain enterprise infrastructure across WAN, LAN, and Voice, and Virtualization environments
- Administer Cisco network infrastructure (routers, switches, wireless)
- Administer Palo Alto network firewalls
- Manage Microsoft 365 / Entra ID
- Support Microsoft Teams voice and telephony (Auto Attendants, Call Queues, Operator Connect)
- Support Hyper-V virtualization environment
- Administer and support Windows Server (2019�2022), including: Active Directory, DNS, DHCP, Group Policy File Services / DFS
- Lead troubleshooting and resolution of branch outages (ISP, VPN, voice), ensuring timely service restoration
- Monitor infrastructure and respond to alerts (including after-hours)
- Manage vendors, ISPs, and service providers
- Perform patching and upgrades of systems
- Maintain enterprise backup, DR, and storage platforms
- Participate in scheduled on-call rotation and off-hours support
- Maintain technical documentation
- Assist with infrastructure projects, migrations, and acquisitions
- Contribute to continuous improvement of infrastructure, processes, and standards
Benefits
- Medical
- Dental and Vision
- Retirement (401k)
- PTO + Paid Holidays
- Life Insurance
- Continued Education
- Employee Discounts
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
