13 ir engineer jobs at 12 companies in Ardsley, NY
1w
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Chief EO/IR Architect Engineer
Danbury, Connecticut, United States
$132k-$290k/yr OnsiteFull Time
12+ YOEBachelor's degree with 12+ years of relevant experience or master's degree with 10+ years; U.S. citizenship, clearance eligibility, EO/IR architecture, systems engineering, technical writing, CONOPS, and cross-functional leadership.
NIIRS, Modulation Transfer Function (MTF), Signal to Noise Ratio (SNR)
1w
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Chief EO/IR Architect Engineer
Danbury, Connecticut, United States
$132k-$290k/yr OnsiteFull Time
12+ YOEU.S. citizenship, ability to obtain and maintain a security clearance, bachelor's degree with 12+ years or master's degree with 10+ years relevant experience, and technical leadership of multidisciplinary engineering teams.
1d
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Staff/Senior Software Engineer, Hybrid IR and Systems
New York City, New York, United States
$185k-$235k/yr OnsiteFull Time
Expertise in search and information retrieval, including lexical and vector indexing, ranking, query understanding, temporal modeling, authorization-aware retrieval, relevance evaluation, and production-scale systems.
BM25, HNSW, Proxi, Helios Rapid Ontology System (H.R.O.S.)
2w
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Senior Software Engineer - Build - NYC
New York City, New York, United States
$210k-$250k/yr HybridFull Time
5+ YOE5-8 years software engineering experience with Python or Go; experience with LLMs, embeddings, vector databases, search/IR or applied AI preferred; strong communication and product development skills.
Apache Airflow, Python, Go, LLMs, vector databases, embeddings
1mo
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Specialist, Cyber Detection Engineer
Newark, New Jersey, United States
$96k-$159k/yr OnsiteFull Time
3+ YOE3+ years in detection engineering/IR/threat hunting; develop SIEM/XDR detections; proficiency with Splunk SPL or Microsoft KQL, SQL; experience with Python, PowerShell, REST/GraphQL APIs; apply MITRE ATT&CK.
Splunk SPL, Microsoft KQL, SQL, Python, PowerShell, REST, GraphQL, SIEM, XDR
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Senior Software Developer
Yorktown Heights, New York, United States
$225k-$275k/yr HybridFull Time
Proficiency in Rust and Python, experience with compiler frameworks/IRs and optimization passes, large open-source project contributions, bachelor’s degree required; doctorate preferred.
Rust, Python, LLVM, MLIR, Qiskit
3w
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Senior RAG Engineer
New York or Norway or Sweden or Ireland or United States
RemoteFull Time
5+ YOE5+ years building backend production systems with 2+ years shipping retrieval/RAG; strong Python and FastAPI; experience running vector indexes (Qdrant), embeddings, PostgreSQL/Redis, OCR-heavy ingestion and IR metrics.
Python, FastAPI, Qdrant, PostgreSQL, Redis
1mo
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Security Engineer II
Dublin or New York City or Los Angeles or Boston
$125k-$213k/yr HybridFull Time
7+ YOERequires 7+ years of information security experience, 5+ years in a large organization, strong security tools knowledge, project implementation expertise, analytical skills, and a bachelor's degree or equivalent senior certification experience.
Advanced Threat Protection, SIEM, EDR, XDR, MDR, IR
2w
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Senior Director, AI Engineering
United States or New York City
$230k-$337k/yr RemoteFull Time
7+ YOE5+ MgmtGraduate degree in computer science or electrical engineering; 7+ years software engineering, 5+ years AI team leadership, cloud-native experience, and large-scale ML/DL/LLM deployment experience.
AWS, Kubernetes, PyTorch, Langfuse, LangGraph, Weaviate, A2A, NLP, CV, IR, Knowledge Graphs, LLMs, Machine Learning, Deep Learning
1mo
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R & D Scientist
Carteret, New Jersey, United States
$100k-$110k/yr OnsiteFull Time
3+ YOEBachelor's in chemistry/chemical engineering, 3+ years industry experience, experience with GC/GC-MS/FT-IR, method development, distillation experience, regulated lab/manufacturing background.
GC, GC-MS, FT-IR, Microsoft Office
2mo
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Cyber Threat Hunter
Berkeley Heights or Alpharetta or Coral Springs
$128k-$216k/yr OnsiteFull Time
8+ YOE8+ years in detection engineering/threat hunting or related domains; expertise building behavior-based detections across enterprise telemetry, Python for analysis, statistical/ML methods, digital forensics/IR; Bachelor's degree in a related field or equivalent.
Python, Git, CI/CD, Google SecOps, Chronicle, MITRE ATT&CK
3mo
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Applied Science Manager, Sponsored Products and Brands -- Offsite
New York or Seattle or Palo Alto
OnsiteFull Time
4+ YOE3+ Mgmt4+ years applied research; 3+ years managing scientists/ML engineers; 3+ years building ML models; PhD or Masters with 6+ years of applied research; knowledge of ML, NLP, IR, analytics; programming in Java, C++, Python.
Java, C++, Python, AWS, Hadoop, Spark, Pig, Hive
2mo
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Threat Hunt Senior Associate
Tampa or Jersey City or Coppell
$75k-$150k/yr HybridFull Time
3+ YOE3+ years threat hunting/detection/IR experience, Bachelor's or equivalent, hands-on log analysis across endpoint/identity/network/cloud, experience with KQL/SPL/EQL, scripting (Python/PowerShell/Bash), familiarity with MITRE ATT&CK and detection engineering.
Microsoft Defender for Endpoint, CrowdStrike Falcon, SentinelOne, Microsoft Sentinel, Splunk, Splunk SPL, Elastic, EQL, KQL, Lucene, Chronicle/Google SecOps, Microsoft Azure, AWS, Microsoft Entra ID, Microsoft Azure AD, Okta, CloudTrail, Kubernetes, Sigma, YARA, ATT&CK, SOAR, Python, PowerShell, Bash, jq, osquery, CyberChef, EDR/XDR, SIEM