Sr Systems​/Networking Engineer​/Woodridge, IL​/Onsite

Position: Sr Systems / Networking Engineer / Woodridge, IL / Onsite
$150000 - $175000

A rapidly growing, technology-focused trading firm is looking to add a hands-on Systems Engineer to its infrastructure team in Woodridge, IL. This is a full-time, onsite role centered on Linux systems, physical infrastructure, and network engineering, supporting a multi-data center environment. The team operates close to the hardware, focusing on performance, reliability, and scalability rather than cloud-first solutions.

This is an opportunity to join a lean, evolving team where this role represents an expansion into deeper systems + networking capability. The environment is highly dynamic, with active infrastructure redesign efforts underway, particularly across networking. The ideal candidate is a mid-level engineer who is strong in Linux systems, has exposure to networking, and wants to deepen their skillset in a trading or low-latency environment.

This is not a purely cloud or Dev Ops role, it's built for someone who enjoys working directly with servers, switches, and system-level optimization.
Required Skills & Experience

+ Strong hands-on experience with Linux systems administration (production environments)

+ Experience working with on-prem / bare metal infrastructure (not cloud-only)

+ Solid understanding of networking fundamentals (routing, switching, troubleshooting)

+ Experience operating in data center environments or with physical hardware

+ Ability to troubleshoot both system and network layers

+ Comfortable in fast-paced, evolving environments

Desired Skills & Experience

+ Experience in trading, financial services, or low-latency environments (strongly preferred)

+ Exposure to Linux kernel-level tuning or system optimization

+ Hands-on work with switches, routers, firewalls, or VPNs

+

Experience with Ansible or similar automation tools

+ Familiarity with multi-data center infrastructure

What You Will Be Doing
Tech Breakdown

+ 65% Linux Systems (bare metal, performance tuning)

+ 25% Networking (routing, switching, redesign support)

+ 10% Windows / Microsoft ecosystem (M365, identity)

Daily Responsibilities

+ 70% Hands-On Engineering (systems + infrastructure)

+ 20% Project Work (network redesign, scaling initiatives)

+ 10% Team Collaboration

The Offer
You will receive the following benefits:

+ Competitive base salary

+ Medical, Dental, and Vision Insurance

+ Paid Vacation Time

+ Opportunity to gain specialized experience in trading infrastructure

Applicants must be authorized to work in the U.S. on a full-time basis now and in the future.

LI-OP