Packet Analysis jobs in Illinois

Scott Air Force Base, Illinois

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Today

Description Leidos is seeking a Cybersecurity Team Lead to direct a front-line team securing DoD multi-cloud (AWS, Google Cloud Platform, Oracle) and hybrid infrastructures. This is your opportunity to lead cybersecurity where it matters most, driving mission success and 24x7 operational readiness on major defense programs with a national impact. This position can sit in any of our three core sites - Columbus, OH; Scott AFB, IL; or Hill AFB, UT. We value our leaders as much as our mission. Buil

Full-time

USD 107,900.00 - 195,050.00 per year

Network Engineer

Chicago, Illinois

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Today

IMC is seeking experienced Network Engineers who are passionate about building and operating cutting-edge, high-performance networks. You'll work closely with traders, developers, quants, and performance engineers to design, implement, and support the infrastructure that powers our trading business. Responsibilities: Design, implement, and support the North American networking environment. Core areas include low-latency networking, unicast and multicast routing, BGP, PIM-SM, performance tuning,

Full-time

USD 155,000.00 - 225,000.00 per year

Senior Network Engineer/Finance/NYC Local Remote

Remote or Weehawken Township, New Jersey

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Today

Our client is a fast-growing data company specializing in low-latency APIs that deliver high-speed options and stocks data to financial markets. Their platform handles billions of database requests daily, tackling some of the most complex tick-level options data challenges in the industry. They are looking for a hands-on, senior Network Engineer to join their team on a full-time basis. This is a senior individual contributor role with direct impact: you'll own the design, deployment, and day-to-

Easy Apply

Full-time

$150000 - $180000

Cyber Threat Hunter

Remote or Bethesda, Maryland

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Today

Overview Edgewater Federal Solutions is currently seeking a Threat Hunter to provide threat hunting expertise and support to maximize cyber fusion throughout the Client's SOC, ensuring the Client's infrastructure and operations remain safe and secure from the full spectrum of cyber threats. The Threat Hunter will support Client SOC teams by providing industry-leading threat hunt support to ongoing and significant incidents as well as by engaging in proactive, hypothesis-driven hunts for threats

Full-time

USD 150,000.00 - 180,000.00 per year

Senior Database Performance Engineer

Remote or Enterprise, Oregon

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Today

Description About the Role We are a mid-size financial services company running a high-volume Microsoft SQL Server environment, and we are investing heavily in the long-term stability, transparency, performance, and scalability of our data platform. We are hiring a senior, hands-on engineer to lead that effort. ` This is a combined reliability-and-performance role for an engineer who is equally comfortable owning the observability and incident-response practice across the estate, and getting

Full-time

USD 100,000.00 - 170,000.00 per year

Principal AI Threat Detection Engineer - Insider Threat

Remote

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Today

About the Role We are looking for a savvy, high-performing Principal AI Threat Detection Engineer - Insider Threat to lead the strategy, design, and day-to-day management of Blackbaud's Insider Threat program as it matures into an AI-augmented capability, protecting Blackbaud's and our clients' information. As a technical leader within Security Engineering, this individual will direct AI-driven and agentic tooling to investigate anomalous events and alerts, detect malicious and anomalous inside

Full-time

USD 117,200.00 - 157,500.00 per year

Senior Threat Detection Engineer

Remote

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Today

About the role: We are looking for a savvy, high-performing Threat Detection Engineer who will be responsible for the day-to-day management of company-wide information security toolsets and the protection of Blackbaud's and Client's information. Security Engineers diligently investigate anomalous events and alerts, detect malicious activities, reverse engineer malware, and write signatures and scripts for various security tools to defend against malicious activity. The Security Engineer provide

Full-time

USD 101,900.00 - 132,800.00 per year

Systems Software Engineer

Chicago, Illinois

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8d ago

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and En

Full-time

USD 145,000.00 - 185,000.00 per year

Cloud Security Team Lead

Shiloh, Illinois

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Today

Leidos is seeking a Cybersecurity Team Lead to direct a front-line team securing DoD multi-cloud (AWS, Google Cloud Platform, Oracle) and hybrid infrastructures. This is your opportunity to lead cybersecurity where it matters most, driving mission success and 24x7 operational readiness on major defense programs with a national impact. This position can sit in any of our three core sites - Columbus, OH; Scott AFB, IL; or Hill AFB, UT. We value our leaders as much as our mission. Built for experi

Full-time

USD 107,900.00 - 195,050.00 per year

Systems Software Engineer

Chicago, Illinois

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Today

Full-time

USD 145,000.00 - 185,000.00 per year

Senior Firmware Engineer, Connectivity

Remote or San Francisco, California

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Today

Join the Sleep Fitness Movement At Eight Sleep, we're on a mission to fuel human potential through optimal sleep. As the world's first sleep fitness company, we're redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and emotional performance by transforming every night of sleep into a personalized, data-driven recovery experience. We are trusted by high performers, professi

Full-time

USD 140,000.00 - 180,000.00 per year

Cybersecurity Analyst

Shiloh, Illinois

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Today

The Leidos Digital Modernization sector is seeking talented and cleared Cyber Security Analysts to join our dynamic team supporting the DISA GSM-O II program. We are continuously building our team and invite qualified candidates to apply. Our recruiting team will reach out to applicants as positions become available. About the Role: As a Cyber Security Analyst, you'll be on the front lines, defending Department of Defense networks from evolving cyber threats. You will be a key member of our 24x

Full-time

USD 69,550.00 - 125,725.00 per year

IT Network Engineer

Chicago, Illinois

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Today

Ann & Robert H. Lurie Children's Hospital of Chicago provides superior pediatric care in a setting that offers the latest benefits and innovations in medical technology, research and family-friendly design. As the largest pediatric provider in the region with a 140-year legacy of excellence, kids and their families are at the center of all we do. Ann & Robert H. Lurie Children's Hospital of Chicago is ranked in all 10 specialties by the U.S. News & World Report. Location 680 Lake Shore Drive

Full-time

USD 83,200.00 - 137,280.00 per year

Cybersecurity Analyst

O'Fallon, Illinois

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Today

Job Summary Newberry Group's Public Sector Division is seeking Cybersecurity Analysts with the expertise to support a 24/7 Cyber Network Defense (CND) Operation for Department of Defense networks at Scott Air Force Base in Illinois. This includes analyzing real-time cyber threat intelligence to stay ahead of emerging threats, correlating security events to identify and prioritize potential incidents, conducting network traffic analysis using raw packet data to uncover malicious activity and col

Full-time

USD 95,000.00 - 125,000.00 per year

IT Network Engineer III

Lombard, Illinois

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Today

Paradigm is an accountable specialty care management organization focused on improving the lives of people with complex injuries and diagnoses. The company has been a pioneer in value-based care since 1991 and has an exceptional track record of generating the very best outcomes for patients, payers, and providers. Deep clinical expertise is the foundation for every part of Paradigm's business: risk-based clinical solutions, case management, specialty networks, home health, shared decision suppor

Full-time

USD 92,300.00 per year

Advanced Security Engineer

Illinois

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Today

Posting Type Hybrid Job Overview As an Advanced Cyber Security Engineer, you will ensure the security of Relativity's network and infrastructure. In this role, the main responsibilities will be to investigate and analyze emerging threats against our assets, identities, and clients. You will also provide actionable remediation guidance to end users and collaborate with highly skilled cyber experts to anticipate and mitigate evolving threats using world-class toolsets and next generation capabil

Full-time

USD 104,000.00 - 156,000.00 per year

Principal Cloud Security Engineer

Chicago, Illinois

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Today

Application Deadline: 10/29/2026 Address: 320 S Canal Street Job Family Group: Technology We are seeking an enthusiastic and passionate professional for a Senior Cloud, AI & Data Security Engineer role who wants to design and implement security solutions for systems and services across AWS, Azure, and AI/ML platforms. We need someone who can establish the highest standards that meet and exceed security governance solutions and practices, provide assurance to management and auditors, and ensu

Full-time

USD 122,400.00 - 228,000.00 per year

Senior Cyber Embedded Software Engineer

Schaumburg, Illinois

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Today

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that's critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer

Full-time

SRE/Zscaler Operations Specialist*

Remote or Jacksonville, Florida

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Today

Step into a critical role as a SRE/ DevOps Engineer in Jacksonville, FL, where you'll ensure robust, secure, and reliable IT services for a large enterprise. Work onsite 2-3 days per week supporting Device Management End User platforms, covering mobility, remote access, server computing, and more. This opportunity puts you at the forefront of IT operations, managing over 150,000 mobile endpoints and partnering with vendors, engineering teams, and service desks. If you're proactive, detail-orient

Easy Apply

Contract

Defense Red Switch Network (DRSN) Support Technician III

Shiloh, Illinois

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Today

Our customer is the Defense Information Systems Agency (DISA) and acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided GIG capabilities and services in the 24x7 DISA Global Operations Center (DGOC). Shift work to include nights and weekend duty is required. Position may include extended periods of sitting while on a computer or phone a

Full-time

USD 65,000.00 - 75,000.00 per year

Packet Analysis jobs in Illinois, USA