Senior Cyber Defense Analyst

🕒 2 dias atrás

🇺🇸 Estados Unidos – Remoto (EUA)

💵 $107.900 - $195.050 / ano

⏰ Tempo Integral

🟠 Sênior

🧐 Analista

🦅 Patrocina Visto H1B

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🗣️🇺🇸🇬🇧 Inglês obrigatório

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Logo of Leidos

Leidos

10.000+ funcionários

Fundada em 1969

🏥 Saúde

💼 Consultoria

📦 Logística

Healthcare • Consulting • Logistics

A Leidos é uma integradora líder em ciência, tecnologia e engenharia, fornecendo soluções que transformam e viabilizam as missões de seus clientes. A empresa atua em diversos mercados, incluindo aviação, defesa, energia, governo, saúde, inteligência, ciência e espaço. A Leidos está envolvida em IA, modernização digital, operações cibernéticas e sistemas de software integrados e de missão. Com um compromisso com diversidade, equidade, inclusão e sustentabilidade, a Leidos também se engaja em esforços beneficentes e programas de enriquecimento comunitário. Além disso, contribui para o desenvolvimento de soluções para sistemas contra veículos aéreos não tripulados e infraestrutura de veículos elétricos para aplicações militares.

Descrição

• Analyze network and host activity associated with successful and unsuccessful intrusions by advanced attackers • Perform network traffic analysis using raw packet data, net flow, IDS, and custom sensor output • Support enterprise incident response efforts • Create and add custom signatures to mitigate highly dynamic threats • Employ advanced forensic tools and techniques for attack reconstruction and intelligence gathering • Research emerging cyber threats and analyze attacker methodologies, tactics, system vulnerabilities, and indicators of attacks and exploits • Contribute to threat intelligence reports and briefings providing situational awareness of cyber threats impacting global network infrastructure • Participate in threat hunt operations using adversary tactics, techniques, procedures, and indicators of attack • Collaborate through information-sharing networks and professional relationships • Provide on-call incident response support outside core hours as needed • Mentor junior analysts technically and conceptually • Lead small groups on projects and incident response tasks • Drive advanced countermeasures through completion • Educate the team about defending new threat vectors • Help integrate hyperautomation and agentic AI into the detection, triage, and response lifecycle, including intelligent orchestration, signal correlation, and accelerated investigative workflows

🎯 Requisitos

• Must be a U.S. Citizen and eligible to obtain DoD Secret clearance • BS Degree and 8–12 years relevant experience in cybersecurity or network defense; or equivalent education and years of relevant experience coupled with relevant certifications (CISSP, SANS GIAC, CEH, etc.) may be considered in lieu of degree • Experience in conventional network/host-based intrusion analysis, digital forensics, or malware analysis • Experience performing “deep dive” analysis and correlation of log data from multiple sources including PCAP and forensic artifacts • Experience leading and contributing to incident response activities • Strong understanding of Operating Systems and Network Protocols • Proficiency with Microsoft Windows administrative tools and the Unix/Linux command line • Preferred: understanding of behavioral-based threat models, including ATT&CK, Cyber Kill Chain, Diamond Model, etc. • Preferred experience with Splunk or other SIEM-type platform • Familiarity with Perl and Python • Previous experience as Threat Researcher and/or Intelligence Analyst • Experience with dynamic malware analysis and reverse engineering • Experience in cryptography or cryptanalysis • Experience in cybersecurity engineering • Experience defending large cloud infrastructures (AWS, Azure, etc.) • Ability to create, modify, and implement Snort and YARA signatures • Published research papers at conferences or through other mediums • Working knowledge of CNE, CNA, and CND tools and techniques • Deep understanding of advanced cyber threats targeting enterprises and their associated tools, tactics, and procedures • Experience applying threat and data modeling, advanced data correlation, and statistical analysis to develop alerts, notable events, investigative dashboards, and metrics-driven reports

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