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Frontier Network Engineer Jobs (NOW HIRING)

Fluidstack

Network Engineer, Security

Austin, TX · On-site

$162K - $202K/yr

Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human ... You've partnered with network engineering without becoming the department of no. * Bonus: OT and ...

Barbaricum

Senior Network Engineer III

Indianapolis, IN · On-site

$99K - $136K/yr

Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team. Barbaricum is seeking a Senior Network Engineer III to design, implement, and maintain complex ...

Barbaricum

Senior Network Engineer III

Indianapolis, IN · On-site

$99K - $136K/yr

Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team. Barbaricum is seeking a Senior Network Engineer III to design, implement, and maintain complex ...

Together AI

Senior Network Engineer

San Francisco, CA · On-site

$190K - $280K/yr

This is a hands-on engineering role for someone with deep networking expertise who can also ... creating frontier-level specialized models, and pre-training at massive scale for fully custom ...

Together AI

Senior Network Engineer

San Francisco, CA · On-site

$190K - $280K/yr

This is a hands-on engineering role for someone with deep networking expertise who can also ... creating frontier-level specialized models, and pre-training at massive scale for fully custom ...

Fluidstack

Network Engineer, Deployment

Manhattan, NY · On-site

Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human ... Partner with DC Operations, ICT, Hardware, and Network Engineering to identify blockers early ...

Fluidstack

Network Engineer, Deployment

New York, NY · On-site

$164K - $206K/yr

Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human ... Partner with DC Operations, ICT, Hardware, and Network Engineering to identify blockers early ...

Fluidstack

Production Engineer, Network

San Francisco, CA · On-site

$173K - $279K/yr

Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human ... Engineering Team Examples of key problems the team is working on * Turn every network fault from a ...

Fluidstack

Principal Operations Engineer, Network

$258K - $300K/yr

Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human ... Act as the connective tissue and force multiplier across network operations, network engineering ...

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How much do frontier network engineer jobs pay per year?

As of Sep 10, 2026, the average yearly pay for frontier network engineer in the United States is $109,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $133,500.00 per year, depending on experience, location, and employer.

What are popular job titles related to Frontier Network Engineer jobs?

For Frontier Network Engineer jobs, the most frequently searched job titles are:

Infographic showing various Frontier Network Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 11% Part Time, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

Network Engineer, Security

Austin, TX • On-site

Fluidstack
See more jobs at Fluidstackexternal

$162K - $202K/yr

Full-time

Re-posted 23 days ago

Job description

About Fluidstack
We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.
We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.
We hire people who care deeply about this problem space. If that is you, please apply!
How We Operate
  • Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.
  • Insane urgency. We drive everything forward as fast as possible.
  • Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.
  • Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.
  • Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world.

The Security Team
Examples of key problems the team is working on
  • You're securing the frontier of AI. The model weights training on our infrastructure are the most valuable and most targeted artifacts in technology, and we're standing up the compute to hold them faster than anyone ever has. A breach isn't a leak, it's the frontier walking out the door.
  • Build the entire security program from scratch. Most leaders inherit someone else's system and spend a career patching it. Here you own it end to end, bare metal to boardroom, as we scale across continents.
  • Your threat surface is measured in gigawatts. The customers running on our infrastructure are building the most consequential technology in human history, and being responsible for the physical and logical security of that work makes everything else feel small.
Role Scope
  • Design and defend the network security architecture across data centers, corp, and cloud: segmentation, firewalls, and east-west controls at gigawatt scale.
  • Build network detection: telemetry, flow analysis, and alerting across training fabrics, OT networks, and the WAN.
  • Harden the OT and BMS side, where the network touches physical plant, against threats most security teams never see.
  • Automate network security controls so new sites inherit the architecture on day one.
What We're Looking For
  • The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would.
  • You've secured production networks at scale, and you read a packet capture as comfortably as a dashboard.
  • You've designed segmentation for environments that mix IT, OT, and high-value compute.
  • You've deployed and tuned NDR or flow-based detection that found real intrusions.
  • You work infrastructure-as-code: your firewall rules live in a repo, not a GUI.
  • You've partnered with network engineering without becoming the department of no.
  • Bonus: OT and ICS security. Data center or cloud provider environments. BGP and routing security. Zeek or Suricata.

We are committed to pay equity and transparency.
Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans' status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.
You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email careers@fluidstack.io with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

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