network engineer jobs in Chicago

About Middle River Power Middle River Power (MRP) is a private equity-sponsored energy platform specializing in the investment and asset management of U.S. power generation facilities. With over 8 GW of natural gas, coal, battery storage, and solar assets across multiple states, MRP is committed to safe, reliable, and efficient operations. Backed by...

Reports To: Lead Network & Security Architect Department: Information Technology Location/Schedule: Chicago, IL/Hybrid Classification: Full-Time / Exempt Who We Are: Old Republic is a leading specialty insurer that operates diverse property & casualty and title insurance companies. Founded in 1923 and a member of the Fortune 500, we are a leader in...

About Middle River Power Middle River Power (MRP) is a private equity-sponsored energy platform specializing in the investment and asset management of U.S. power generation facilities. With over 8 GW of natural gas, coal, battery storage, and solar assets across multiple states, MRP is committed to safe, reliable, and efficient operations. Backed by...

Company Description Refoundry LLC is a technology partner focused on helping mid-market and growing enterprises secure, scale, and streamline their IT environments. With deep expertise in AI, Microsoft Cloud and Security, Network Infrastructure. The company’s Wingman framework combines strategic leadership, managed IT and security services, and AI...

NETWORK ENGINEER This is a fully remote position; however, occasional travel may be required. PURPOSE   This position’s primary responsibility is to provide operational support for our clients’ network infrastructure including switches, routers, wireless access points and controllers, and firewalls. In addition to support, the network engineer will...

We are partnering with a leading financial markets technology organization that plays a critical role within the global financial ecosystem. As the business continues to invest in the modernization, security, and scalability of its infrastructure, they are seeking an experienced Network Engineer to join a highly collaborative team responsible for supporting...

Optiver’s industry-leading proprietary trading systems depend on reliable and scalable networks to power our trading activities on financial exchanges around the world. As a Network Engineer, your job will be to ensure Optiver has the fast connectivity and physical infrastructure to allow our traders and engineers to get market data accurately and quickly,...

The traveling Network Engineer will support SecureStrux clients by designing, implementing, securely configuring, and maintaining their network infrastructure, with a focus on Cisco switches, Cisco routers, Cisco ASA, Cisco ISE, Forescout, and Palo Alto firewalls.Job DetailsFull Time, Exempt, SalariedRemote home office with approx. 60% travel (overnight) to...

Job Description – Voice Ops agency support Role Overview This requirement is for Agency Office Voice (UC) support, covering incident handling and break‑fix services to ensure continuous and timely resolution of Voice issues. The role also requires strong communication skills along with the ability to provide reliable operational support 6-9 years of...

Company Description Refoundry LLC is a technology partner focused on helping mid-market and growing enterprises secure, scale, and streamline their IT environments. With deep expertise in AI, Microsoft Cloud and Security, Network Infrastructure. The company's Wingman framework combines strategic leadership, managed IT and security services, and AI readiness...

Job SummaryWe are seeking an experienced Network Security Engineer to design, implement, maintain, and enhance enterprise network security infrastructure. The ideal candidate will have strong hands-on experience with next-generation firewalls, particularly Palo Alto and Fortinet, along with expertise in network security policies, proxy technologies, and...

Employment Type: Full Time, Experienced level Department: Information Technology CGS is seeking an experienced Network Engineer to join a team focused on the evaluation, enhancement, and maintenance of a large scale network project that includes both wired and wireless network infrastructure and related hardware & software. The project's objectives are to...

Founded in 1980 as Aardvark Financial, TransMarket Group (TMG) is a privately held global markets proprietary trading firm in Chicago. We use next-generation technology to capture opportunities around the world and manage risk in financial markets. Our mission is to bless others through the services we provide and through the generous stewardship of the...

Network EngineerAbout INflow Federal - founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions to the Department of War (DoW) and Joint Force operations across 20+ states. Our strength comes from our people - especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and...

Network Deployment Engineer We are seeking an experienced Network Deployment Engineer to deliver post-sales implementation services for complex network solutions. This role leads requirements definition, implementation planning, end-to-end design, equipment staging, configuration, testing, and deployment of software and hardware solutions across...

We will be accepting applications through October 26, 2026 or until filled.--- --- ---Network EngineerBuild and optimize the networks that keep world-class aviation connectivity running.At Gogo, connectivity is more than technology. It's how pilots, passengers, and flight departments stay connected to the people, systems, and information they rely on every...

***We are unable to sponsor as this is a permanent full-time role******Hybrid, 3 days onsite, 2 days remote***A prestigious company is looking for a Network Engineer.  This role is focused on Cisco networking, Checkpoint, AWS, and Cisco NG ASAResponsibilities:·       Support the network infrastructure lifecycle, including routing, switching, Cisco...

Category/Area of Expertise: IT & TechnologyJob Requisition: 544632Address: USA-IL-Chicago-300 South Riverside PlazaAhold Delhaize USA, a division of global food retailer Ahold Delhaize, is part of the U.S. family of brands, which includes five leading omnichannel grocery brands - Food Lion, Giant Food, The GIANT Company, Hannaford and Stop & Shop. Our...

Ann & Robert H. Lurie Children’s Hospital of Chicago provides superior pediatric care in a setting that offers the latest benefits and innovations in medical technology, research and family-friendly design. As the largest pediatric provider in the region with a 140-year legacy of excellence, kids and their families are at the center of all we do. Ann &...

***We are unable to sponsor as this is a permanent full time role*** ***Hybrid, 4 days onsite, 1 day remote*** Responsibilities: - Design and evolve low-latency, highly resilient network architecture across global data center, co-location, and cloud-connected environments, with a focus on deterministic packet forwarding, scalability, and operational...