110 network security researcher jobs at 60 companies in United States
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Network Security Researcher
Pittsburgh or Arlington
OnsiteFull Time
8+ YOERequires a bachelor's with 8 years, master's with 5 years, or PhD with 2 years in computer science or a relevant technical discipline; programming proficiency, network expertise, analytical skills, and security research experience.
Python, Go, Ruby, C, Java, Scala, netflow, EDR, PCAP, YAF, Zeek, Suricata
1mo
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Network Security Researcher
Pittsburgh or Arlington
OnsiteFull Time
2+ YOERequires a bachelor's degree plus 8 years, master's plus 5 years, or PhD plus 2 years in a relevant technical discipline; network security, programming, data analysis, threat research, communication, travel, and clearance required.
Python, Go, Ruby, C, Java, Scala, EDR, netflow, PCAP, YAF, Zeek, Suricata
2mo
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Senior Security Researcher
Santa Clara, California, United States
$140k-$226k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years in offensive security or vulnerability research, experience with reverse engineering/fuzzing/exploit development, familiarity with penetration testing, strong OS/network/application security knowledge.
Large Language Models (LLMs), LLMs, Reinforcement Learning, RLHF, Supervised Fine-Tuning (SFT), AI agents, fuzzers
1mo
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Senior Security Researcher
Ann Arbor or United States
$202k-$278k/yr RemoteFull Time
5+ YOE5+ years penetration testing/red team experience, ability to characterize vulnerabilities, proficiency with network protocols and Internet-scale scanning, scripting in Python or Go, and agentic AI offensive tooling experience.
HackSynth, RedTeamLLM, CAI, PentAG, PyRIT, Python, Go
1w
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UX Researcher (Mixed Methods)
United States or Canada or United Kingdom or Singapore
$146k-$183k/yr RemoteFull Time
5+ YOE5+ years in UX or applied research; strong qualitative, quantitative, usability, interviewing, survey, mixed-methods, communication, and research-operations skills. Experience in developer tooling, enterprise, security, or networking required.
3mo
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Sr. Cyber AI Operations Researcher
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
6+ YOEBachelor's in cyber security/CS/AI ML or related field; 6+ years cyber AI defense and network ops leadership; leadership of cyber operations teams; active Secret clearance able to obtain Top Secret; US citizenship.
Artificial Intelligence, Machine Learning, Cybersecurity, Network Operations
3mo
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Network & Supply Chain Research Scientist (5793)
United States
$83k-$110k/yr RemoteFull Time
PhD in Engineering, Network Science, Neuroscience, Physics, or related fields; strong research in networks; publications preferred; US citizen for security clearance.
Python, R, MATLAB
2mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Denver or Golden or Colorado or Israel
$180k-$220k/yr RemoteFull Time
5+ YOE5+ years in security research or penetration testing, strong Windows internals and networking, 3+ years Python development, experience with Metasploit/Impacket/Nmap/Burp, reverse engineering (IDA/Ghidra/WinDbg/Radare2), cloud (AWS/Azure), and applied AI/ML concepts.
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDbg, Radare2, AWS, Azure, Windows, Linux
2mo
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Senior Director Analyst – Network Security
Texas, United States
$172k-$203k/yr RemoteFull Time
12+ YOEBachelor's degree or equivalent experience; 12+ years in a relevant field; deep network security expertise; strong research, writing, analytical, presentation, communication, and organizational skills; travel up to 25%.
Firewall, Hybrid Mesh Firewall, Network Detection and Response (NDR), Security Service Edge (SSE), Secure Access Service Edge (SASE), SD-WAN, Security Information and Event Management (SIEM)
1w
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Human Network Analyst
Falls Church, Virginia, United States
$160k-$190k/yr OnsiteFull Time
Requires TS/SCI security clearance and advanced experience in social network, link, and pattern-of-life analysis, adversary intelligence, influence operations, and Information Operations planning.
3w
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Junior 5G Vulnerability Researcher
Florham Park, New Jersey, United States
$79k-$163k/yr OnsiteFull Time
3+ YOERequires 3–5 years in exploitation, reverse engineering, or protocol development; C/C++ and Python proficiency; networking knowledge; binary analysis; US citizenship; and ability to obtain a security clearance.
Python3, C, C++, NGAP, GTP, TCP/IP, SCTP, HTTP/2, IDA Pro, Ghidra, Binary Ninja, Wireshark, Linux, 3G, 4G, 5G, software-defined radio (SDR)
3w
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Junior 5G Vulnerability Researcher
Florham Park, New Jersey, United States
$79k-$163k/yr OnsiteFull Time
3+ YOERequires 3–5 years in software exploitation, reverse engineering, or protocol development; C/C++ and Python; networking protocols; binary analysis; US citizenship; and ability to obtain and maintain a security clearance.
3GPP, NGAP, GTP, Python3, C, C++, TCP/IP, SCTP, HTTP/2, IDA Pro, Ghidra, Binary Ninja, Wireshark, Linux, 5G, 3G, 4G, SDR
3mo
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Senior Research Scientist - Cyber Network Security
College Park, Maryland, United States
$176k-$282k/yr OnsiteFull Time
16+ YOESenior researcher with 12+ years (Bachelor) or 10+ years (Master) or 8+ years (PhD) in CS/CE/EE/Cyber; strong software, networking, virtualization, and cyber research skills; US citizenship and TS/SCI w/Polygraph.
Docker, Kubernetes, Helm, Ansible, OpenStack, Vagrant, Terraform, Git
1mo
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Security Software Engineer Project Intern (Network Security) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
Pursuing a Bachelors or Masters in CS/CE/IS/STEM; foundation in machine learning/deep learning; familiarity with PyTorch; interest or experience in cybersecurity or network traffic analysis.
PyTorch, LLM
2d
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Target Digital Network Analyst 3
Annapolis Junction or Colorado or Georgia or Hawaii or Texas or Utah or Virginia
$140k-$183k/yr OnsiteFull Time
4+ YOERequires active security clearance with appropriate polygraph and 4–12 years of experience depending on education, with expertise in targeting, SIGINT, digital network analysis, and cyber topics.
1mo
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Network Systems Research Engineer, Levels III, IV, Sr I
Bryan, Texas, United States
OnsiteFull Time
6+ YOEBachelor's in EE/CS or equivalent; 6+ years network/wireless experience (varies by level); ability to obtain US passport and Secret security clearance; knowledge of LAN/L3 routing, DHCP/NTP/DNS, and network security.
Microsoft Outlook, Microsoft SharePoint, Microsoft Teams, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Adobe, SNMP, DHCP, NTP, DNS
3mo
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Senior Research Scientist - Cyber Network Security
College Park, Maryland, United States
$176k-$282k/yr OnsiteFull Time
12+ YOE12+ years with Bachelor, 10+ with Master, or 8+ with PhD in CS/CE/ECE/Cybersecurity; strong software development, network security, and prototyping skills; Python/Go/Java/C/C++; Linux; networking knowledge; virtualization and cloud tooling; automation tools; clear written and verbal communication; US citizenship with TS/SCI w/ Poly).
Docker, Kubernetes, Helm, Ansible, OpenStack, Vagrant, Puppet, Terraform, Python, Go, Java, C, C++, Linux
3mo
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Target Digital Network Analyst (TDNA)
Annapolis Junction or Dayton or Honolulu or Bluffdale
$50k-$290k/yr OnsiteFull Time
2+ YOEExperience supporting DoD/IC target digital network analysis, DNI/DNR querying, knowledge of internet protocols and SIGINT collection; US citizenship and active security clearance required.
3mo
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Senior Research Network Engineer
New York, New York, United States
$124k-$144k/yr RemoteFull Time
5+ YOEBachelor's in CS/Engineering or equivalent,5+ years enterprise network experience,knowledge of OSPF/BGP,Infiniband,DMVPN,DNS/DHCP,Linux,container orchestration,and network monitoring;strong communication and data-security practices.
kubernetes, Infiniband, DNS, DHCP, DMVPN, Linux, WDM, Infinera, OSPF, BGP, TCP/IP
3mo
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Early Career Vulnerability Researcher (76282)
Columbus, Ohio, United States
HybridFull Time
0+ YOEBachelor’s in Computer Science, Computer Engineering, Electrical Engineering, or related field with 0-2 years of experience, or Master’s degree; strong C/C++, scripting (Python/Perl/Ruby), OS and embedded systems experience, vulnerability research tools (IDA Pro/BinaryNinja), networking, multiple assemblies, debugging tools; US citizen able to obta...
C, C++, Python, IDA Pro, BinaryNinja, WinDbg, gdb
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