PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
2mo
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Research Engineer
Reston, Virginia, United States
$109k-$147k/yr HybridFull Time
5+ YOEBachelor's with 5+ years, or Master's with 3+ years, or PhD preferred; strong programming in C/C++, Java, or Python; research + production experience; DNS/security knowledge beneficial.
C, C++, Java, Python, SQL, NoSQL
1w
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Research Highway Engineer
McLean, Virginia, United States
$122k-$187k/yr OnsiteFull Time
Requires an engineering degree or equivalent combination of education and experience, transcripts, and specialized experience in RF/wireless technologies, Connected Vehicles, spectrum issues, cybersecurity, and transportation connectivity research.
1mo
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Vulnerability Research Engineer
Kyiv or Washington or Tel Aviv or London
RemoteFull Time
2+ YOE2+ years in vulnerability research/offensive security or low-level systems engineering; reverse engineering, binary analysis, fuzzing, exploit development experience; strong OS internals and debugging skills; ability to ship production tools.
4d
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Research Engineer
Aberdeen Proving Ground, Maryland, United States
$100k-$150k/yr OnsiteFull Time
5+ YOEU.S. citizen with ability to obtain DoD Secret, bachelor’s in engineering/materials science/physics, 5+ years vehicle testing experience, lab and field test planning, strong analysis and communication skills.
3w
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Senior Research Engineer, Threat Intelligence
Washington, District of Columbia, United States
$140k-$150k/yr RemoteFull Time
5+ YOE5+ years engineering experience in threat intelligence, detection, or security research; production engineering skills with Python/TypeScript/Node; experience with STIX/TAXII, YARA/Sigma, cloud (AWS), and building data/pipeline systems.
Python, TypeScript/Node, STIX 2.1, TAXII 2.1, MISP, MITRE ATT&CK, YARA, Sigma, STIX Patterning, AWS, Golang, Splunk, Kinesis, NetFlow, CEL, OPA, SQL, CI/CD
2mo
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Metals Research Engineer
Mclean, Virginia, United States
OnsiteFull Time
3+ YOEMaster's degree with at least 3 years of hands-on structural engineering research experience; metals materials focus; strong reporting and communication skills; familiarity with sensors and data acquisition; experience with ASTM tests.
Digital image correlation, Metallography, Fractography, ASTM standards, Sensor data acquisition, Strain gauges, Accelerometers, Tiltmeters, Potentiometers, LVDT, Extensometers, Load cells, Hydraulic servovalves
1mo
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
3mo
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Radar Research Engineer
Chantilly, Virginia, United States
OnsiteFull Time
15+ YOERadar/SAR/MTI research, algorithm development, MATLAB/C/Python; 15+ years experience; pursuing Bachelor’s/Master’s/PhD; TS/SCI clearance preferred.
MATLAB, C, C++, Python, FORTRAN
1w
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Frontier AI Research Engineer, Lead
McLean or Washington
$129k-$292k/yr OnsiteFull Time
5+ YOE5+ years engineering experience building advanced AI systems; ability to translate research into production, lead technical teams, and deliver end-to-end AI prototypes and integrations.
1w
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Quantum Research Engineer
Bethesda or Fort Worth or Littleton or Louisville or Orlando
$89k-$178k/yr RemoteFull Time
2+ YOEBachelor's in related field, 2+ years working with quantum computing concepts or laboratory optics, strong written/oral communication, U.S. citizenship and ability to obtain Top Secret/SCI clearance, proficiency in Python/Julia/MATLAB.
Python, Julia, MATLAB, Qiskit, Cirq
2mo
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Senior Specialist, Security Research Engineer (36915)
United States or California or Massachusetts or New Jersey or Washington or Colorado or Hawaii or Illinois or Maryland or Minnesota or New York or Vermont or Washington or Denver or New York City
$97k-$208k/yr RemoteFull Time
6+ YOEBachelor's degree with 6+ years (or master’s with 4+ years or 10 years experience), 5+ years vulnerability research preferred, ability to obtain security clearance, reverse engineering and exploit development skills.
IdaPro, Ghidra, Radare, Binary Ninja, AFL, SysInternals, GDB, WinDBG, C, C++, Python, Swift, QEMU, Corellium, VHDL
3w
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Senior Vulnerability Research Engineer
Annapolis Junction or Palm Bay or Maryland or Florida or South Carolina or Texas or United States
$77k-$163k/yr RemoteFull Time
2+ YOEBachelor's +4 yrs or Master's +2 yrs in computer science or related field; strong software development skills in C/C++/Python; experience with program analysis, reverse engineering, and debugging tools; knowledge of Windows/Linux and x86/x64 assembly.
C, C++, Python, angr, BAP, IDA Pro, Binary Ninja, gdb, Ghidra, windbg, Assembly (x86/x64)
2mo
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IEEE/Wi-Fi Standards Research Engineer
Reston, Virginia, United States
OnsiteFull Time
5+ YOEMaster's in Electrical Engineering; PhD preferred. 5+ years IEEE standards experience. Proven IEEE contributions and wireless patents. WLAN/Wi-Fi and related tech expertise.
IEEE 802.11, ZigBee, UWB, V2X, MIMO
2mo
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Research Engineer II
Arlington, Virginia, United States
$124k-$140k/yr OnsiteFull Time
5+ YOEMaster's degree; 5 years experience; strong programming in Python/C++/Go; Linux; network/SDN knowledge; Ansible/Bash/Nagios; Prometheus; SNMP; IPtables/NFS; TS clearance; US citizenship.
Python, C++, Go, Linux, VLAN, VXLAN, Mellanox Switches, SDN, Ansible, Bash, Nagios, Prometheus, SNMP, IPtables, NFS, Border Gateway Protocol, SSH, Transport Layer Security, Docker
2mo
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AI Engineer / Research Scientist (Senior, Staff), Explainable AI
Austin or Remote or Reston
HybridFull Time
Strong ML background, Python, between research and engineering; production-grade coding; design experiments; explainability-focused work.
Python, Kubernetes, Argo CD, GitOps, vLLM, SGLang, CI/CD, GPU, Vector databases, Retrieval systems, Experiment tracking, Model/data versioning
2mo
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CFD Propulsion Research Engineer
Aberdeen Proving Ground, Maryland, United States
$100k-$200k/yr OnsiteFull Time
4+ YOEBachelor or higher in Mechanical or Aerospace Engineering with 4+ years, or MS with 2+ years, or PhD with 0+ years; SECRET clearance; CFD experience; ANSYS Fluent; MATLAB/Python.
ANSYS Fluent, MATLAB, Python
1w
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Frontier AI Research Engineer, Lead
McLean, Virginia, United States
$129k-$292k/yr HybridFull Time
5+ YOE5+ years engineering experience; bachelor's required (master/PhD preferred); proven delivery of AI prototypes to production; leadership of technical teams; experience with cloud-native AI, MLOps, and large-scale model deployment preferred.
2w
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Staff Aerospace Research Engineer
Manassas, Virginia, United States
$112k-$140k/yr OnsiteFull Time
Master's or PhD in aerospace/mechanical or related field, experience in aerodynamic modeling and flight simulation, MATLAB or Python development, aircraft program and flight test experience, strong communication and problem-solving skills.
MATLAB, Python
2d
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DevSecOps Research and Development Engineer
State College or Reston
$101k-$192k/yr HybridFull Time
0+ YOEDesign and implement secure automation, manage CI/CD pipelines, Linux and scripting experience, cloud/container and logging tool familiarity, bachelor's degree in engineering or science; U.S. citizenship required.
Linux, Python, Bash, Ansible, Git, Docker, Kubernetes, Splunk, Elastic, Prometheus, JIRA, Bitbucket, Confluence, Java, C/C++, Matlab, VMWare, GitLab, SQL, PostreQL, MySQL
1mo
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Vulnerability Research Engineer
Washington, D.C., District of Columbia, United States
$115k-$181k/yr OnsiteFull Time
5+ YOEBachelor's in a relevant field; 5+ years in reverse engineering or low-level analysis; proficiency with disassemblers/debuggers; strong C/C++ and Python; embedded systems experience; clear technical communication; active Secret clearance (U.S.) required; U.S. citizenship required.
IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, lldb, Python, C/C++
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