Senior Threat Researcher - Endpoint / Cloud

VulnU; India; On-site; INR 13,553,000 - 18,393,000; Full time

Benefits offered by this job

Equity for all employees

Flexible annual leave

Comprehensive private benefits plan

Job summary

Arctic Wolf is seeking a Senior Threat Researcher for Endpoint/Cloud - Detections to advance our detection capabilities across environments. You will develop high-quality detection content, research threats, and collaborate with teams to enhance security visibility and efficacy.

The role involves building and refining anomaly-based and behavioral detections, reviewing code for quality, and delivering actionable intelligence to protect customers from evolving threats.

Qualifications

• 5+ years of experience authoring and maintaining security detections.
• Expertise in endpoint, cloud, or network detection and signature development.
• Experience developing anomaly-based and behavioral-based detections.
• Experience tuning detections to reduce false positives and improve fidelity.

Responsibilities

• Develop and maintain high-quality custom detection rules across endpoint, cloud, and network environments.
• Research emerging threats, attack techniques, and telemetry sources to improve detection coverage and effectiveness.
• Design, develop, and continuously improve anomaly-based and behavioral-based detections.
• Collaborate with team to develop innovative detections and tune existing detection capabilities.
• Build runbooks, reports, documentation, and supporting materials for detection surfaces.

Skills

Detections development

Endpoint detection

Cloud detections

Threat research

MITRE ATT&CK

Python

DevOps practices

Tools

Sigma rules

YARA rules

Zeek

Suricata

Cloud platforms AWS/Azure/GCP

Job description

At Arctic Wolf, you will not just watch the cybersecurity industry evolve – you will help lead the change. Our global team is made up of people who thrive on solving complex problems, moving quickly, and building technology that protects organizations around the world. We are proud to be recognized by Forbes, CNBC, Fortune, CRN, Gartner Peer Insights, and International Data Corporation MarketScape. What matters most is the work behind these recognitions: delivering real outcomes for customers through award-winning innovation such as our Aurora Platform.If you are looking for meaningful work, smart teammates, and the opportunity to make a real impact in a high-growth company that is redefining security operations, Arctic Wolf is the right place for you.Our mission is simple: End Cyber Risk.We are looking for a Senior Threat Researcher Endpoint/Cloud - Detections to help achieve this mission.The Senior Threat Researcher Endpoint/Cloud - Detections will contribute to our Detection Engineering organization by developing, maintaining, and enhancing advanced security detections across endpoint, cloud, and network environments. This role will focus on building high-quality detection content, improving detection efficacy, researching emerging threats, and delivering actionable intelligence that helps protect Arctic Wolf customers from evolving cyber threats.IN THIS ROLE, YOU WILL:• Develop and maintain high-quality custom detection rules across endpoint, cloud, and network environments• Research emerging threats, attack techniques, and telemetry sources to improve detection coverage and effectiveness• Design, develop, and continuously improve anomaly-based and behavioral-based detections• Conduct code reviews and provide constructive feedback to ensure code quality, maintainability, and scalability• Troubleshoot, debug, and enhance existing detection and signature codebases• Participate in the full software development life cycle by building secure, efficient, testable, and maintainable detection content• Collaborate with team members to develop innovative detections and continuously tune existing detection capabilities• Propose improvements to detection coverage, efficacy, and overall security visibility• Build runbooks, reports, documentation, and supporting materials for detection surfaces• Document research findings and share knowledge across engineering, security operations, and research teams• Communicate technical concepts and security findings effectively to both technical and non-technical audiences• Continuously learn and adopt industry best practices in software development, detection engineering, and cybersecurity• Participate in research and development demonstrations, innovation initiatives, and annual hackathon events that contribute to future product capabilitiesYOU WILL BE SUCCESSFUL IN THIS ROLE IF:• You have 5 or more years of experience authoring and maintaining security detections• You have strong expertise in endpoint, cloud, or network detection and signature development• You have experience developing anomaly-based and behavioral-based detections• You have extensive experience tuning and optimizing detections to improve fidelity and reduce false positives• You have experience using MITRE ATT&CK, packet capture analysis, and threat intelligence sources to drive detection development• You have strong knowledge of cybersecurity principles, threat detection methodologies, and adversary behaviors• You have experience working with security monitoring and detection technologies within Managed Detection and Response environments• You are passionate about solving complex security challenges and continuously improving detection capabilitiesHelpful to Have:• Experience developing Security Information and Event Management detections• Experience creating Endpoint Detection and Response detections and signatures• You possess knowledge of networking concepts, protocols, and authentication technologies including Transmission Control Protocol/Internet Protocol, Domain Name System, Lightweight Directory Access Protocol, and New Technology LAN Manager• You have proven experience researching and developing detections related to network-based threat vectors• Experience authoring Sigma and YARA rules• Experience developing cloud security detections• Experience with programming languages such as Python, Go, Java, or C• Experience with Test Driven Development methodologies• Experience using DevOps practices, tooling, and automation frameworks• Experience applying secure software development practices• Experience building and deploying solutions in cloud environments including Amazon Web Services, Microsoft Azure, and Google Cloud Platform• Experience working with Kubernetes, containers, infrastructure-as-a-service, and platform-as-a-service technologies• Experience working within Agile software development methodologies including Scrum and Kanban• Experience with Next Generation Firewall technologies from vendors such as Palo Alto Networks, Cisco, or Fortinet• Experience using open-source intrusion detection, intrusion prevention, and network security monitoring technologies such as Zeek or SuricataDo not meet all the requirements? That is okay. We still encourage you to apply. We have many opportunities and are always looking for strong talent.On-Camera PolicyTo support a fair, transparent, and engaging interview experience, candidates interviewing remotely are expected to be on camera during all video interviews. Being on camera fosters authentic connection, improves communication, and allows for full engagement from both candidates and interviewers. We understand that technical, bandwidth, or location-related challenges may occasionally prevent video use. If this applies, candidates are required to notify us in advance so we can explore appropriate accommodations.At Arctic Wolf, we foster a collaborative and inclusive work environment that thrives on diversity of thought, background, and culture. This is reflected in our multiple awards, including Top Workplace United States, Best Places to Work United States, Great Place to Work Canada, Great Place to Work United Kingdom, and Kununu Top Company Germany. Our commitment to bold growth and shaping the future of security operations is matched by our dedication to customer satisfaction, with over 10,000 customers worldwide and more than 2,000 channel partners globally. As we continue to expand and enhance our technology, Arctic Wolf remains a trusted name in the industry.Our ValuesArctic Wolf recognizes that success comes from delighting our customers, so we work together to ensure that happens every day. We believe in diversity and inclusion and value the unique perspectives all employees bring to the organization. By protecting sensitive data and working to end cyber risk, we contribute to an industry that serves the greater good.We celebrate diverse perspectives through our Pack Unity program and encourage employees to participate in or create new alliances.We also believe in corporate responsibility and have joined the Pledge One Percent movement to give back to our communities.All employees receive compelling compensation and benefits packages, including:• Equity for all employees• Flexible annual leave, paid holidays, and volunteer days• Training and career development programs• Comprehensive private benefits plan including medical insurance for you and your family, life insurance equal to three times compensation, and personal accident insurance• Fertility support and paid parental leaveArctic Wolf is an equal opportunity employer and considers applicants for employment without regard to race, color, religion, sex, orientation, national origin, age, disability, genetics, or any other basis forbidden under applicable law. We are committed to fostering a welcoming, accessible, and inclusive environment.Security Requirements• Conduct duties in accordance with Arctic Wolf information security policies, standards, and controls• Background checks are required for this position• This role may require access to information protected under United States export control laws and regulations