Senior SOC Analyst DeepSeas · Full-time · Remote — 3 hours ago

Emploive; Northern (KY); Hybrid; USD 110,000 - 150,000; Full time

Job summary

DeepSeas is seeking a Senior SOC Analyst (L2) to drive the quality of client-facing detection and response. You will lead high-severity investigations, mentor L1/L2 analysts, and convert threat-hunting, malware analysis, and forensics findings into stronger detections and playbooks.

You’ll balance strategic thinking with hands-on technical work, maintain awareness of evolving threats, and ensure operational execution across incident response, with a focus on delivering measurable improvements

Qualifications

• 5+ years in security operations or incident response, including leading investigations.
• Proven experience handling high-severity incidents and driving containment, eradication and recovery.
• Hands-on proficiency with SIEM, EDR/XDR, and SOAR; adept at writing and tuning detection content (e.g., KQL, SPL, Sigma, YARA).
• Familiarity with MITRE ATT&CK and the incident response lifecycle (NIST SP 800-61).
• Experience with host, memory, and network forensics and malware analysis.
• Scripting proficiency in Python, PowerShell, or Bash to automate tasks.

Responsibilities

• Lead a team of L1/L2 responders during security incidents.
• Coordinate with stakeholders during high-severity incidents.
• Develop, test, and refine IR playbooks and procedures.
• Conduct advanced threat hunting to detect sophisticated adversaries.
• Collaborate with threat intel and vulnerability teams on emerging threats.
• Provide guidance on root cause analysis and post-incident reviews.
• Develop and tune detection rules to improve threat detection.
• Produce metrics and leadership briefings on IR activity.

Skills

Incident response leadership

Threat hunting

Malware analysis

Written and verbal communication

Scripting (Python/PowerShell/Bash)

Education

Bachelor's degree in Cybersecurity, CS or related field

Advanced cybersecurity certifications (GCIH/GCFA/GREM/GNFA/OSCP/CISSP)

Tools

SIEM

EDR/XDR

SOAR

MITRE ATT&CK

KQL

SPL

Sigma

YARA

Ghidra

IDA Pro

Volatility

x64dbg

Job description

*This position is contingent on contract award*

Who is DeepSeas

With 30 years of experience in cyber defense, DeepSeas is trusted by nearly 1,000 clients around the world, including Fortune 100 enterprises and mid-market organizations, higher education institutions, municipality and local governments, and federal agencies. Known for its programmatic approach to continuously transforming cyber defense programs, DeepSeas is recognized by Gartner as a top 40 provider of MDR and ranked as a top 5 MDR leader in the 2024 Frost Radar: Global Managed Detection and Response (MDR) Market. In addition to its industry-leading MDR service, DeepSeas offers a full suite of advisory, compliance, and testing services to support clients on their cybersecurity transformation journeys, with an approach to cyber defense that prioritizes technical expertise, tradecraft, and continuous innovation to deliver unparalleled results.

Position Summary

We're looking for (5) Senior SOC Analyst (L2) to drive the quality of outcomes in DeepSeas' client-facing detection and response.

You're a seasoned incident responder who leads high-severity investigations, mentors L1 and L2 analysts, and turns findings from threat hunting, malware analysis, and forensics into stronger detections and playbooks. This role requires a blend of strategic thinking, deep technical aptitude, awareness of the evolving threat landscape, and strong operational execution.

Key Responsibilities

• Leads and mentors a team of L1 and L2 incident responders in handling security incidents.
• Coordinates with internal and external stakeholders during high-severity incidents.
• Develops, refines, and tests incident response playbooks and procedures.
• Conducts advanced threat-hunting activities to detect sophisticated adversaries.
• Collaborates with threat intelligence and vulnerability management teams to stay current on emerging threats and vulnerabilities.
• Provides expert guidance in root cause analysis and post-incident reviews.
• Develops and fine-tunes detection rules to enhance threat detection capabilities.
• Uses frameworks such as MITRE ATT&CK to understand and categorize threat actor TTPs.
• Drives continuous improvement initiatives within the SOC.
• Generates metrics and reports on incident response activities and trends for leadership.
• Conducts regular briefings to leadership on security incidents and trends.
• Develops and maintains scripts to automate and enhance incident response processes.
• Conducts in-depth malware analysis to determine malware samples' functionality, origin, and impact.
• Collaborates with threat intelligence teams to correlate malware findings with known threat actor campaigns.
• Provides recommendations to enhance detection and prevention capabilities based on malware analysis findings.
• Leads digital forensics investigations, including memory forensics, to uncover evidence and artifacts related to security incidents.
• Oversees network forensics activities to analyze network traffic logs and detect malicious activities or patterns.
• Serves as a subject matter expert on incident response, providing guidance and advice to DeepSeas and client leadership.

Experience, Education, and Skills Required

Minimum Qualifications

• 5+ years of experience in security operations, incident response, or threat detection, including time operating at a senior (L3) level or leading investigations; or an equivalent combination of education and experience.
• Proven experience leading high-severity incident response from triage through containment, eradication, and recovery.
• Strong hands‑on proficiency with SIEM, EDR/XDR, and SOAR platforms, including writing and tuning detection content (e.g., KQL, SPL, Sigma, YARA).
• Working knowledge of MITRE ATT&CK and the incident response lifecycle (e.g., NIST SP 800-61).
• Experience with host, memory, and network forensics, as well as static and dynamic malware analysis.
• Scripting proficiency in Python, PowerShell, or Bash to automate investigation and response tasks.
• Experience mentoring or leading junior analysts.
• Excellent written and verbal communication skills, with the ability to brief both technical teams and executive or client audiences.
• This position is open only to U.S. citizens who currently reside within the United States.

Preferred Qualifications

• Advanced certifications such as GCIH, GCFA, GREM, GNFA, OSCP, or CISSP.
• Experience in an MDR or MSSP environment supporting multiple clients.
• Familiarity with reverse engineering and memory forensics tools (e.g., Ghidra, IDA Pro, x64dbg, Volatility).
• Experience building or maturing a threat-hunting or detection engineering program.
• Bachelor's degree in Cybersecurity, Computer Science, or a related field.

Why DeepSeas?

At Deep Seas, we like to say that heart rates go down, careers take off, and security programs mature. Our values provide the ultimate guide for our daily behavior and decisions. Without these values, we aren’t Deep Seas. They preserve the essence of our organization, reflect the personalities of our Deeps (how we affectionately refer to our teammates), and enable us to exceed expectations. Our values are:

• We are client obsessed.
• We stand in solidarity with our teammates.
• We prioritize personal health and well‑being.
• We believe in the power of diversity.
• We solve hard problems at the speed of cyber.

This is your chance to join a supportive crew of teammates and an industry-leading organization that values opportunities for growth.

Information security is everyone’s responsibility:

• Understanding and following DeepSeas’s information security policies and procedures.
• Remaining vigilant and reporting any suspicious activity or possible weaknesses in DeepSeas’s information security.
• Actively participating in DeepSeas’s efforts to maintain and improve information security.
• DeepSeas considers this position is as Moderate Risk with a potential to view/access/download restricted/private client/internal data.
• This information must be treated with sensitivity and in the most secure manner.
• HR reserves the right to perform random background/drug screens to ensure the safety of client/DeepSeas data