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# Network Engineer

- **Company:** MemX LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $130,000.0 - $160,000.0
- **Contract:** Permanent contract
- **Skills:** Apple IOS, Border Gateway Protocol, Network Operating System (NOS), Data Centers, Linux, Distributed Systems, Internet Group Management Protocols, Networking Hardware, IP Multicasting, Python (Programming Language), Network Architecture, Packet Analyzer, Network Protocols, Ansible, Tcpdump, Scripting, Low Latency
- **Published:** September 4, 2026
- **Apply:** https://www.builtincolorado.com/job/network-engineer-4pm-1am/11008798?handler=ApplyRedirect

## About the Role

* 5+ years of hands-on experience with low latency, highly available distributed systems and the network architectures needed to run them

 * Understanding of layer2 and layer3 network protocols e.g. IGMP, MLAG, ARP, BGP, NAT, PIM

 * Understanding of IP multicast routing e.g. PIM-SM, PIM-Bidir

 * Experience with network operating systems (EOS, IOS, PanOS)

 * Understanding of timing protocols NTP,PTP

 * Understanding of various optical fiber types and transceivers

 * Scripting experience (Python, Ansible) preferred

 * Ability to analyze packet captures using tools like Wirshark, tcpdump

 * Mac, Linux familiarity preferred

 * Experience with firewall design and configuration

## Description

Design, implement, and maintain low-latency exchange network infrastructure. Configure network devices using Ansible and Python, monitor alerts, resolve incidents, perform root-cause analysis, support customer connectivity and turn-ups, validate products, engineer secure solutions, and coordinate with data center and circuit providers., MEMX is searching for a Network Engineer to support the design, implementation and maintenance of its low latency trading infrastructure for second shift 4 PM - 1 AM ET weekdays Monday through Friday.

Shift time for this role will be: 4 PM - 1 AM ET

MEMX currently has a U.S. presence in these states: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, & Utah.

*If you live outside of the above states, please list in your application and our team will evaluate.

What You'll Do

 * Work to design, implement and support the low latency exchange network environment

 * Configure the enterprise and production network devices with Ansible and Python as required

 * Respond to network alerts and error logs

 * Respond to network incidents, remediate, and perform RCA

 * Perform new customer connection turn-ups

 * Work on customer tickets such as add/mod IP prefixes, troubleshoot connectivity

 * Perform new product analysis and validation

 * Coordinate with the Security and business teams to help engineer/implement secure end user solutions

 * Work with Data Center and Circuit providers to continually move the exchange infrastructure forward on more cost efficient and performant options


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