329 network engineer jobs at 202 companies in Hoffman Estates, IL
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Singapore or London or Chicago or Austin or New York City or Sydney or Shanghai or Hong Kong or Taipei or Mumbai
OnsiteFull Time
Optiver: Global market maker providing liquidity to financial markets.
10+ YOE10+ years as a senior network engineer/architect; experience designing and supporting complex LAN/WAN and DC environments (Arista, Cisco); Infrastructure as Code (IaC), multi-zone firewall architectures, Unix administration, monitoring and automation.
Sentinel Technologies: Provides managed IT services and comprehensive technology solutions.
CCNA-level routing & switching expertise, experience in network engineering/support, knowledge of BGP/OSPF/EIGRP/VLAN/STP, familiarity with firewalls/DNS/DHCP/F5, troubleshooting skills, valid driver's license and vehicle insurance, US work authorization.
Prinova: Supplies food ingredients, nutritional premixes, and manufacturing solutions.
5+ YOE5+ years network/systems engineering experience; Bachelor's degree or equivalent; experience with enterprise networking, Windows Server, virtualization, Azure/M365; strong security and troubleshooting skills.
Windows Server, Active Directory, Group Policy, VMware, Hyper-V, Microsoft Azure, M365, Microsoft Sentinel, Splunk
OSG: Provides customer communication management and payment processing solutions.
10+ YOEBachelor's in Computer Science or related field; 10+ years in enterprise/network engineering; strong routing protocols; hands-on with HPE/Mellanox gear; cloud networking; IT security and compliance knowledge.
Prescient Solutions: Provides managed IT services and support for organizations.
Microsoft server OS, network protocols/hardware, virtualization, security, and Azure expertise; ability to balance multiple priorities; authorized to work in the US; no visa sponsorship available.
Microsoft Server, Azure, Virtualization, Networking
Froedtert South: Operates acute care hospitals and outpatient medical clinics.
3+ YOEBachelor's degree in computer science/IT or equivalent,3–5 years systems engineering experience,expertise with Microsoft server/cloud technologies,PowerShell scripting,virtualization,storage,and ITSM tools.
Windows Server (2019/2022/2025), Microsoft Entra ID (Azure AD), Active Directory, Group Policy, Microsoft 365, Exchange Online, SharePoint Online, Teams, Intune/Endpoint Manager, VCF, SAN, NAS, PowerShell, SolarWinds Asset Monitoring, Azure Monitor, ServiceNow, ServiceDesk
JohnsByrne: Provides premium custom packaging and specialty printing solutions.
5+ YOEBachelor's degree or equivalent; 5+ years in enterprise network engineering; experience with Cisco/Meraki/Arista; WAN design (MPLS/SD-WAN); VMware vSphere/ESXi; Microsoft Hyper-V; Azure; SSO and Cisco Duo MFA; network security and monitoring tools; manufacturing/industrial experience preferred.
VMware vSphere/ESXi, Microsoft Hyper-V, Microsoft Azure, Cisco Duo MFA, SSO, Firewalls, IDS/IPS, VPN, Wireshark, SolarWinds, PRTG, Nagios, Cisco/Meraki/Arista network gear, PowerShell, Python, Ansible
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
4+ YOEBachelor's in CS/CE or equivalent; 4+ years in large-scale network/infrastructure; experience with optical/network gear; vendor coordination; network services knowledge; leadership ability; travel up to 25%.
Cisco, Juniper, Arista, Nokia, Ciena, Infinera, WDM equipment, test gear