Tier 3 SOC Analyst, Senior

VulnU; United Kingdom; Remote; GBP 60,000 - 90,000; Full time

Job summary

VulnU in the United Kingdom is seeking a Senior Tier 3 SOC Analyst to lead complex cyber incident investigations, provide technical direction during high-severity events, and strengthen enterprise cyber defense capabilities across SOC, IR, and related teams.

You will stay hands-on with DFIR activities while overseeing case management, evidence handling, incident reporting, and post-incident reviews, mentoring junior analysts, and contributing to playbooks, detection use cases, and automation

Qualifications

• Experience leading complex cyber investigations across multiple teams.
• Hands-on DFIR experience with incident response lifecycles (triage to resolution).
• Ability to communicate technical findings to technical and non-technical stakeholders.

Responsibilities

• Lead Tier 3 investigations from escalation through resolution or handover.
• Coordinate incident response across SOC, infrastructure, identity, legal, risk and business teams.
• Provide technical direction to Tier 1 and Tier 2 analysts and mentor junior staff.
• Support post-incident reviews and translate lessons into improvements to playbooks and controls.

Skills

Cybersecurity operations

Digital forensics

Threat hunting

Incident response

Leadership

Stakeholder communication

Education

Bachelor’s degree or equivalent experience

Tools

EDR/XDR

NDR

SIEM

Job description

Tier 3 SOC Analyst, SeniorThe Opportunity:Are you looking for an opportunity to lead complex cyber incident investigations, provide senior technical direction during high-severity events, and help strengthen an enterprise cyber defense capability? Cyber threats continue to evolve in speed and sophistication, and effective response requires experienced practitioners who can combine deep technical investigation skills with calm operational leadership and clear communication. We are looking for a senior Tier 3 Incident Response Analyst who can lead investigations from escalation through resolution or handover, operate effectively under time pressure, and work across SOC, incident response, infrastructure, identity, legal, risk, and business teams. You will act as a senior escalation point for Tier 1 and Tier 2 analysts, helping evaluate triage, scope incidents, establish priorities, and determine the appropriate containment, eradication, recovery, and escalation actions. In this role, you will remain hands-on with incident investigation and forensic analysis while maintaining oversight of case management, evidence tracking, incident reporting, and stakeholder coordination. You will provide clear technical direction to other analysts, support post-incident reviews, and translate lessons learned into improvements to controls, playbooks, procedures, detection use cases, and operational documentation. You will also contribute to the continuous improvement of SOC and incident response operations through metrics, workload management, automation, and service improvement. As a senior member of the team, you will coach and mentor junior and mid-level analysts and may act as the technical lead for a shift, investigation, or major incident. This is an opportunity to combine strong DFIR and cyber defense expertise with leadership, collaboration, and a continuous-improvement mindset. Join us. The world can’t wait. You Have: Experience in cyber security operations, digital forensics, threat hunting, or a cyber defense field, including leading or supporting complex investigations, and leading Tier 3 investigations through triage, scoping, containment, eradication, recovery, resolution, or structured handoverExperience with EDR/XDR, NDR, and SIEM technologies to investigate endpoint, network, identity, and security telemetry, and performing forensic analysis of major incidents, reconstructing threat actor activity, developing investigation timelines, and identifying indicators of compromise and root causeExperience coordinating incident response activity across SOC analysts, infrastructure, identity, system owners, legal, risk, and business stakeholdersExperience with case management, evidence handling and tracking, escalation, incident reporting, and post-incident review activitiesExperience coaching or mentoring analysts and contributing to team development, operational workload management, or shift leadershipKnowledge of incident response and adversary frameworks, including NIST Incident Response and MITRE ATT&CK, and applying them in operational investigationsAbility to provide clear technical direction to Tier 1 and Tier 2 analysts, review analysis, challenge assumptions, and improve investigative qualityAbility to communicate technical findings clearly to technical and non-technical stakeholders, including senior stakeholders, during high-pressure incidentsAbility to work collaboratively across cyber defense capabilities and wider technology teams while demonstrating ownership, curiosity, sound judgement, and continuous improvementBachelor’s degree or 5 years of experience in an information technology, cybersecurity, or incident response field in lieu of a degree Nice If You Have: Experience managing or leading a SOC, incident response team, or deployable cyber defense capabilityExperience with threat hunting, detection engineering, SIEM use-case tuning, false-positive reduction, or security automation and scriptingExperience with Windows and enterprise infrastructure, including Active Directory, server platforms, virtualization, network devices, firewalls, and cloud environmentsExperience collaborating with third-party vendors, government, military, or other external organizations during cyber operations or exercisesExperience translating investigation findings and lessons learned into playbook, control, detection, or process improvementsIndustry-recognized DFIR or cyber defense certifications such as GIAC Certified Forensic Analyst (GCFA), GIAC Certified Incident Handler (GCIH), GIAC Continuous Monitoring (GMON), GIAC Penetration Tester (GPEN), or equivalent certificationsIdentity StatementAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Candidate AI Usage PolicyAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.