Senior Cyber Defence Analyst

DescriptionJob Description:Are you ready to unleash your potential?We are in search of a Senior Cyber Defence Analyst to join our team.This is an opportunity to join a team of highly skilled and innovative network defenders, and the best group of individuals out there.Leidos' Cybersecurity Intelligence and Response Team (CSIRT) has an immediate opening for a motivated Senior Cyber Defence Analyst. Leidos is an international company made up of 35,000 employees that provides Defence, Intelligence and Health Products to our customers. Our goal is to stay ahead of, and maintain a technical advantage over our adversaries using the latest technical advancements, including custom built cybersecurity capabilities.Are you ready for your next career challenge?At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams in the UK to address some of the most complex problems in defence, government, safety and security, and transportation. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. this sounds like the kind of environment where you can thrive, keep reading!Primary Responsibilities:As a key part of the team, your responsibilities will include threat hunting, and tactical analysis of ongoing attacks by criminal and nation state actors. You will perform data analysis, incident response, investigative analysis, and research on existing and emerging cyber threats, particularly those directed against Leidos' global networks.You will be expected to "think like an adversary" and engage in threat hunting operations leveraging your understanding of the tactics, techniques and procedures employed by advanced threats combined with intelligence from multiple sources, and provide reporting and briefings to other teams and leadership in order to maintain appropriate levels of situational awareness. In this position, you will have the ability to grow through training opportunities, conferences and collaboration with industry peers and adjacent parts of our business. You will be challenged and provided a tremendous opportunity for growth in a highly collaborative and supportive environment.Duties include:Analyse network and host activity associated with both successful and unsuccessful intrusions by advanced attackersPerform network traffic analysis utilising raw packet data, net flow, IDS, and custom sensor output.Support enterprise incident response effortsLeverage understanding of tactics, techniques and procedures associated with advanced threats to create and add custom signatures that mitigate highly dynamic threats to the enterprise.Employ advanced forensic tools and techniques for attack reconstruction and intelligence gatheringProactively research emerging cyber threats. Apply analytical understanding of attacker methodologies and tactics, system vulnerabilities, and key indicators of attacks and exploitsContribute to threat intelligence reports and briefings that provide situational awareness of cyber threats impacting the company's global network infrastructure, to every level of the organisationParticipate in threat hunt operations using known adversary tactics, techniques and procedures, as well as indicators of attack, in order to detect advanced threats to the enterpriseCollaborate using information and knowledge sharing networks and professional relationships to achieve common goalsProvide on-call support for incident response efforts outside of core hours, as neededMentor junior analysts technically and conceptuallyCollect, create and disseminate threat intelligenceLead small groups within the team for discernable tasks, including projects and incident responseDrive advanced countermeasures through to completionUnderstanding and educating the team about defending new threat vectorsRequired Qualifications:Experience in conventional network\host-based intrusion analysis, digital forensics, or malware analysisExperience performing "deep dive" analysis and correlation of log data from multiple sources including PCAP and forensic artifactsExperience leading and contributing to incident response activitiesStrong understanding of Operating Systems and Network ProtocolsProficiency with Microsoft Windows administrative tools, and the Unix/Linux command linePreferred Qualifications:Understanding of behavioral based threat models, including ATT&CK, Cyber Kill Chain, Diamond Model, etcExperience with Splunk (preferred) or other SIEM-type platformCapable and comfortable communicating actionable threat intelligence to both technical and executive-level stakeholdersFamiliarity with common languages (like Perl and Python) to parse logs, automate processes, and integrate systemsPrevious experience as Threat Researcher and/or Intelligence AnalystExperience with dynamic malware analysis, and reverse engineeringExperience in cryptography or cryptanalysisExperience in cyber security engineeringExperience defending large cloud infrastructures (AWS, Azure, etc.)Ability to create, modify, and implement both Snort and YARA signaturesPublished research papers at conferences or through other mediums (blogs, articles)Working knowledge of Computer Network Exploitation (CNE), Computer Network Attack (CNA) and Computer Network Defense (CND) tools and techniquesA deep understanding of advanced cyber threats targeting enterprises, along with the tools, tactics, and procedures used by those threatsExperience applying threat and data modeling, advanced data correlation, and statistical analysis to develop alerts, notable events, investigative dashboards, and metrics driven reportsClearance Required:Clearance to Start: SCClearance for Role: SCWhat do we do for you?:At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:Contributory Pension SchemePrivate Medical Insurance33 days Annual Leave (including public and privilege holidays)Access to Flexible benefits (including life assurance, health schemes, childcare vouchers and cycle to work scheme)Dynamic Working: to Diversity:We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone.If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.Pay Range: