Sr. SOC Analyst - Level 3 jobs in United States
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Perennial Resources International ยท 6 months ago

Sr. SOC Analyst - Level 3

Perennial Resources International is seeking a Senior SOC Analyst - Level 3 to provide mentorship and technical oversight within their security operations center. The role involves leading incident response efforts, conducting advanced investigations, and contributing to the development of SOC processes and team capabilities.

ConsultingInformation Technology

Responsibilities

Provide mentorship and technical oversight to L2 analysts and MSSP-led supporting staff, reviewing investigations and guiding escalation decisions
Lead incident response efforts for high-severity events, coordinating across teams to ensure effective containment and remediation
Contribute to the development and refinement of SOC processes, playbooks, and escalation protocols
Participate in hiring, onboarding, and training activities to build a high-performing SOC team
Conduct advanced investigations of security alerts and incidents, including malware analysis, lateral movement, and data exfiltration
Perform threat hunting using hypothesis-driven approaches and threat intelligence to uncover hidden threats
Develop and tune detection rules, correlation logic, and behavioral analytics across SIEM, EDR, and cloud platforms
Analyze attacker TTPs and translate them into actionable detections using frameworks such as MITRE Telecommunication&CK and the Cyber Kill Chain
Lead forensic investigations, including memory, disk, and network analysis, to support incident response and legal requirements
Collaborate with detection engineering and threat intelligence teams to improve detection coverage and response workflows
Serve as a key point of contact during major incidents, providing technical updates and risk assessments to leadership and stakeholders
Document investigation findings, incident timelines, and lessons learned in a clear and structured format
Support compliance and audit efforts by ensuring incident handling aligns with regulatory and policy requirements
Collaborate with IT, OT, and business units to ensure visibility and response capabilities across all environments
Contribute to SOC maturity assessments and strategic planning to enhance the organization's cyber defense posture

Qualification

SIEM proficiencyEDR proficiencyMalware analysisForensic investigationsCloud securityScripting/automationThreat huntingAdversary TTPsIndustry certificationsCommunication skillsMentorshipStrategic thinking

Required

Bachelor's degree in Cybersecurity, Information Technology, or Computer Science (completed and verified prior to start)
Five (5) years of experience in a SOC or cybersecurity operations role, with at least 2 years in a senior or L3 capacity in a private, public, government or military environment
Proficiency in SIEM (e.g., Splunk, Sentinel), EDR (e.g., CrowdStrike, Carbon Black), and forensic tools
Strong understanding of Windows, Linux, and cloud environments (AWS, Azure, GCP) from a security perspective
Excellent communication skills, with the ability to convey complex technical issues to both technical and non-technical audiences
Senior-level expertise in leading complex investigations and responding to advanced cyber threats
Skilled in malware analysis, threat hunting, and forensic investigations across diverse environments
Proficient in developing detection logic and tuning analytics to identify sophisticated attacker behaviors
Strong understanding of adversary TTPs and frameworks like MITRE Telecommunication&CK and Cyber Kill Chain
Effective mentor and technical leader for junior analysts, fostering a culture of excellence in the SOC
Experienced in coordinating incident response efforts and communicating findings to stakeholders
Committed to continuous improvement of SOC processes, playbooks, and detection capabilities
Strategic thinker with the ability to assess risk, lead under pressure, and drive operational maturity

Preferred

Experience with scripting or automation (e.g., Python, PowerShell) is a plus
Familiarity with threat intelligence platforms, malware analysis tools, and adversary simulation frameworks
Industry certifications such as GCIA, GCIH, GCFA, OSCP, or equivalent are highly desirable

Company

Perennial Resources International

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Perennial Resources International is a full-service search and staffing firm.

Funding

Current Stage
Early Stage

Leadership Team

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Joseph Kelly
Partner
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Stephen C. Brown
Owner-Managing Partner
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Company data provided by crunchbase