Shiloh, IL
Network Engineer jobs in Shiloh, IL
4 open roles from 1 employer. Checked Oct 6, 2026.
What these openings look like
All 4 are at Leidos. Every one publishes a pay range, and they run $50,700 to $132,775 a year. Every posting is full time. The most recent went up on Oct 2, 2026.
Every listing links to the employer's own application. Nothing is posted here on their behalf, and nothing is reposted from anywhere else.
Open roles
What it pays here
Only some employers publish a range. These are the ones that did, as written in their own postings:
- $59,150–$106,925 a year
- $73,450–$132,775 a year
- $50,700–$91,650 a year
What they ask network engineer candidates here
Drawn from the 4 open postings on this page. The ones that come up across several employers are near the top.
A customer circuit goes down during an unscheduled outage. Walk me through how you would alternate-route it to restore service.
What they are checking: Whether they can think through real-time circuit redesign under pressure in a 24x7 operations center.
What is the difference between optical multiplexers and routers in how they carry customer traffic?
What they are checking: Whether they understand both transport and IP layers, since this NOC works across both.
How do you tell a real alarm from noise when your network management tools are lighting up?
What they are checking: Whether they can correlate alarms and focus on what affects the mission instead of chasing every event.
Tell me about a time you had to troubleshoot a problem with an outside agency or vendor on the line.
What they are checking: Whether they coordinate calmly across organizations when a fix depends on someone else.
What does good change management look like when you are replacing hardware on a DISA network?
What they are checking: Whether they respect approvals, backout plans and documentation in a tightly controlled DoD environment.
You are on a night shift and a planned maintenance window starts causing problems nobody predicted. What do you do?
What they are checking: Whether they know when to stop, roll back and escalate rather than pressing on.
How do you write up an incident ticket so the next shift can pick it up without calling you?
What they are checking: Whether they document clearly, which keeps handoffs smooth in a round-the-clock operation.
Tell me about a time a mistake of yours caused an outage or nearly did.
What they are checking: Whether they own errors and learned something concrete, which builds trust in a mission-critical role.
Get told when new network engineer jobs in Shiloh appear.
One email when something new matches, and nothing else. Unsubscribe works immediately.
Practice a network engineer interview.
Pick a posting above, paste it in, and Offer runs the interview for that exact role — out loud, one question at a time, with feedback that tells you what landed. The first one is free.
Practice this out loud