Network Engineer
- Design, engineer, and implement low-latency network solutions based on requirements from business stakeholders
- Own and manage strategic projects to implement and optimize low-latency, high-performance network solutions at and between data center locations
- Work with financial exchanges, brokers, and banks to implement network connectivity in shared colocation facilities
- Carry out high-level analysis and troubleshooting of the network infrastructure
- Respond to network requests and troubleshoot network failures to diagnose, isolate, and resolve complex problems, ensuring timely results and minimal disruption to operations
- Perform network maintenance and system upgrades, including patches and hotfixes to address vendor bugs and vulnerabilities
- Monitor system resource utilization and historical trends, and perform capacity planning
- Provide the technical knowledge needed to ensure safe, effective, and efficient changes to the network infrastructure
- Produce and maintain detailed technical documentation
- Participate in the team's on-call rotation
- Minimum of 6 years in a technical networking environment as a network engineer
- Deep, hands-on experience with complex network designs and principles, including L2 switching and dynamic routing (OSPF, BGP, EIGRP) in complex environments, with advanced traffic steering, filtering, and route redistribution
- Strong network security fundamentals: firewalling (ASA, Palo Alto), security zones and DMZ design, network ACLs, NAT, and site-to-site IPSec VPN
- Solid knowledge of multicast (PIM, IGMP) and best practices for deploying it, including the delivery of real-time market data feeds
- Extensive knowledge of network operating systems (IOS / NX-OS / EOS / PANOS based network devices)
- Ability to troubleshoot network latency and packet-drop issues using monitoring, diagnostic, and packet analysis tools (e.g., tcpdump, Wireshark)
- Meticulous attention to detail, with a proven ability to prioritize competing workloads and manage implementation schedules
- Strong cross-functional collaboration and the ability to work independently within a team structure
- Excellent written and verbal communication, with the ability to distill complex technical issues into clear, concise terms
- Strategic thinking balanced with sharp day-to-day execution, and a commitment to continuous improvement
Preferred:
- CCIE certification
- Knowledge of exchange connectivity in financial trading environments
- Experience working with financial exchanges, brokers, and banks
- Experience with network automation; understanding of Python and Ansible
- Experience with physical planning, implementing, and supporting space, power, and structured cabling within a data center environment
- Experience troubleshooting fiber optic connectivity within and between data center locations
Bonus Points:
- Hands-on experience with cloud services (AWS, GCP)
- Understanding of network time synchronization protocols
- Experience with databases and big data tools (e.g., MySQL, Splunk, InfluxDB, Grafana)
- Experience with Linux shell utilities
We are currently only considering candidates who are presently authorized to work in the US for this position and who do not require visa sponsorship now or in the future.
- Highly competitive salary & bonus opportunity
- Generous paid time off and flexible scheduling
- 100% coverage of medical, dental, vision, life, and disability benefits for single coverage
- Generous Paid Parental Leave
- Retirement Plans: 401K and Roth 401K
- Profit sharing plan
- Long- and short-term disability
- Free breakfast and lunch from our in-house kitchen with rotating menus (including snacks!)
- On-site gym with a subsidized membership
- Frequent company outings
- Opportunity to give back to organizations that help individuals in need in the Chicagoland area
- In-house education team – classes and resources are offered for continuous learning opportunities
- Mentorship Program through your first six months of employment