Senior Cybersecurity Specialist

3 weeks ago

Washington, Washington, D.C., United States Axxum Technologies Full time
Job Description

Axxum Technologies is seeking a highly skilled Senior Cybersecurity Specialist to join our team. As a Senior Cybersecurity Specialist, you will be responsible for participating in threat actor-based investigations, creating new detection methodologies, and providing expert support to incident response and monitoring functions.

Key Responsibilities:
  • General SIEM monitoring, analysis, content development, and maintenance
  • Research, analysis, and response for alerts; including log retrieval and documentation
  • Conduct analysis of network traffic and host activity across a wide array of technologies and platforms
  • Assist in incident response activities such as host triage and retrieval, malware analysis, remote system analysis, end-user interviews, and remediation efforts
  • Compile detailed investigation and analysis reports for internal SOC consumption and delivery to management
  • Track threat actors and associated tactics, techniques, and procedures (TTPs)
  • Capture intelligence on threat actor TTPs and develop countermeasures in response to threat actors
  • Analyze network traffic, IDS/IPS/DLP events, packet capture, and FW logs
  • Analyze malicious campaigns and evaluate effectiveness of security technologies
  • Coordinate threat hunting activities across the network leveraging intelligence from multiple internal and external sources, as well as cutting-edge security technologies
  • Design and build custom tools for investigations, hunting, and research
  • Assist in the design, evaluation, and implementation of new security technologies
  • Lead response and investigation efforts into advanced/targeted attacks
  • Hunt for and identify threat actor groups and their techniques, tools, and processes
  • Identify gaps in IT infrastructure by mimicking an attacker's behaviors and responses
  • Provide expert analytic investigative support of large-scale and complex security incidents
  • Perform Root Cause Analysis of security incidents for further enhancement of alert catalog
  • Continuously improve processes for use across multiple detection sets for more efficient Security Operations
  • Review alerts generated by detection infrastructure for false positive alerts and modify alerts as needed
  • Develop dashboards and reports to identify potential threats, suspicious/anomalous activity, malware, etc.
  • Provide forensic analysis of network packet captures, DNS, proxy, Netflow, malware, host-based security, and application logs, as well as logs from various types of security sensors
  • A passion for research and uncovering the unknown about internet threats and threat actors
  • Ensure the SOC analyst team is providing excellent customer service and support
Requirements:
  • 7+ years of relevant cybersecurity experience in IT Security, Incident Response, or network security with strong knowledge working in a Security Operations Center
  • BA/BS degree is required OR an additional 6 years of relevant work experience in lieu of degree
  • 5+ years experience with the incident response process, including detecting advanced adversaries, log analysis using Splunk or similar tools, and malware triage
  • 5+ years experience with creating automated log correlations in Splunk or a similar tool to identify anomalous and potentially malicious behavior
  • Demonstrated knowledge of the Splunk search language, search techniques, alerts, dashboards, and report building
  • Strong analytical and investigation skills & active threat hunting and adversary tracking
  • Working knowledge of security architectures, devices, and threat intelligence consumption and management
  • Working knowledge of root causes of malware infections and proactive mitigation
  • Working knowledge of lateral movement, footholds, and data exfiltration techniques
  • Experience with Netflow or PCAP analysis
  • Track record of creative problem solving, and the desire to create and build new processes
  • Experience and knowledge of packet flow, TCP/UDP traffic, firewall technologies, IDS technologies, proxy technologies, and antivirus, spam, and spyware solutions
  • Convert intelligence into actionable mitigation and technical control recommendations
  • Knowledge of the underlying logic that security alerts are built upon and apply them when analyzing raw logs and creating new dashboards and alerts
  • Knowledge of typical behaviors of both malware and threat actors and how common protocols and applications work at the network level, including DNS, HTTP, and SMB
  • Strong time management and multitasking skills as well as attention to detail as well as strong collaborative skills and proven ability to work in a diverse team of security professionals
Desired Experience:
  • Experience with one or more scripting languages (e.g., Python, JavaScript, Perl)
  • Perform memory analysis and malware analysis
  • Experience with computer exploitation methodologies
  • Experience as a government contractor
  • GCIA, GCIH, GMON, GDAT, Splunk Core Power User, and a minimum of 7 years related experience

Axxum Technologies offers a competitive salary and benefits package, including health insurance, paid vacation, disability, and life insurance. Please visit our Careers page for additional information.

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