Senior Cybersecurity Analyst

4 weeks ago

Port Hueneme, California, United States Tetrad Digital Integrity Full time

Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm dedicated to safeguarding and protecting its customers from emerging threats and vulnerabilities in the digital age.

The Senior SOC Analyst will be responsible for analyzing technology devices, including Operational Technology (OT) and Industrial Control Systems (ICS), as well as on-premises and cloud enterprise networks.

This involves analyzing device communication, forensic analysis of Windows or Linux systems and servers, timeline analysis of activity on these endpoints, user permission and authentication audits, log analysis, and malware identification/triage.


Responsibilities:


Experience with system administration, Windows and Linux operating systems (OS) mechanics, including filesystem structures, disk and memory forensics, cyber-aware Operational Technology or Control Systems operators, commonly used mechanisms for maintaining security persistence, privilege escalation, and lateral data movement, operating system log analysis, and triaging suspicious file artifacts for unusual behavior.

Familiarity with routine OS activities and common software/user behavior in the context of forensic artifacts or timelines.

Familiarity with common categories and formats of host-based indicators of compromise (IOCs) and how/where they can be leveraged to identify known-bad files/activity on an endpoint.


Key Responsibilities:
  • Utilize the Cyber Kill Chain and synthesize the entire attack life cycle.
  • Create detailed reports on how impacts may or have occurred.
  • Review and provide feedback to junior analysts.
  • Investigate and facilitate discussions on improving SOC visibility, efficiency, and/or processes.
  • Support client leaders in establishing and managing a Security Operations Center (SOC) to provide a secure environment for monitoring, incident response, malware analysis, and threat hunting activities.
  • Provide oversight over more junior cyber analysts and assist clients with prioritization and milestone tracking for efforts related to the SOC.
  • Manage the security information and event management (SIEM) platform to monitor for security alerts and coordinate vulnerability assessments and artifact collection across servers and network devices.
  • Assess Security Technical Implementation Guides (STIGs) compliance and completion.
  • Utilize asset mapping tools to verify connected inventory.
  • Handle Information Assurance Vulnerability Management (IVAM) notifications.
  • Evaluate network structures and device configurations for security risks, offering recommendations based on best practices, and gather data to identify and respond to network intrusions.

Qualifications:

5+ years of experience in security operations, demonstrating leadership in customer-facing roles.

Proficient in analyzing cyber-attacks, with a deep understanding of attack classifications, stages, system/application vulnerabilities, and compliance with Department of Defense (DoD) policies and procedures.

Extensive knowledge of network topologies, protocols (e.g., TCP/IP, ICMP, HTTP/S, DNS, SSH, SMTP, SMB), and experience with tools like Palo Alto, Elastic SIEM, Cribl, Splunk, VMware, Security Center.

Capable of attack reconstruction based on network traffic, integrating Threat Intelligence, and familiar with MITRE ATT&CK framework, with the ability to collaborate effectively across multiple locations.


Preferred Qualifications:

Knowledge of Operational Technology (OT) or Industrial Control Systems (ICS).

Able to provide expert content development in Splunk Enterprise Security using tstats and data models.

Understands how to utilize knowledge of latest threats and attack vectors to develop correlation rules for continuous monitoring on various security appliances.

Experience in other tools and protocols as applicable, such as Nessus, Endgame, CrowdStrike, Gray Noise, Shodan, Bacnet, MODBus, SCADA systems, and PCAP.


Certifications:

Offensive Security Certified Professional (OSCP)

GIAC Response and Industrial Defense (GRID)

CERT Certified Computer Security Incident Handler

ECCCEH (Electronic Commerce Council Certified Ethical Hacker)

GCIH (GIAC Certified Incident Handler)

GISF (GIAC Information Security Fundamentals)

CISSP (Certified Information System Security Professional)

Tetrad Digital Integrity does business with the federal government, which restricts employment to individuals who are either US citizens or lawful permanent residents of the United States.

Tetrad Digital Integrity is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, genetics, gender identity or expression, national origin, protected veteran status or disability status, or any other characteristic protected by federal, state or local laws.

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