Security Analyst
4 weeks ago
Top Skills' Details
Strong knowledge of SEIM/Security Suite knowledge preferred, they are using AZURE Sentinel so someone had this experience that would be a huge plus
Experience with SEIM ES configuration, tuning and incident investigation
Experience with log ingestion into the SEIM by raw log ingestion, email, and API.
Create and manage custom parsers . 24/7 environment.
Ability to manage (add, modify and delete) data feeds between monitored devices and the SIEM)
Job Description
This is an analyst role and candidate must be able to demonstrate ability to perform and support in-depth investigations and ‘hunting’ activities. Demonstrated experience in using the Splunk Enterprise Security SIEM technologies as an analyst is REQUIRED. Holding the Splunk Power User Certification is PREFERRED. Holding Certified Ethic Hacker (CEH) and/or Certified Incident Handler (GCIH or ECIH) credentials is a plus for this position.
This position is ideally based in AUSTIN, TX (the right remote candidate can be considered), and will support the customer’s 24x7 Security Operations Center (SOC). This position is in direct support (on-site at customer facilities) of an AT&T customer in the government sector. AT&T is providing Managed Security Service Provider (MSSP) functions related to the Security Operations Center (SOC) including Tier 1 through Tier 3 resource capabilities and activities related to security monitoring, threat, and vulnerability management and incident response (IR). Preference will be made for candidates who can support ‘non-business hours’ shifts.
Responsibilities
• Characterize and analyze network traffic to identify anomalous activity and potential threats to network resources.
• Document and escalate incidents (including event's history, status, and potential impact for further action) that may cause ongoing and immediate impact to
the environment.
• Perform cyber defense trend analysis and reporting.
• Perform event correlation using information gathered from a variety of sources within the enterprise or MSSP environment to gain situational awareness and
determine the effectiveness of an observed attack.
• Provide daily summary reports of network events and activity relevant to cyber defense practices.
• Receive and analyze network alerts from various sources within the environment and determine possible causes of such alerts.
• Provide timely detection, identification, and alerting of possible attacks/intrusions, anomalous activities, and misuse activities and distinguish these incidents
and events from benign activities.
• Use cyber defense tools for continual monitoring and analysis of system activity to identify malicious activity.
• Analyze identified malicious activity to determine weaknesses exploited, exploitation methods, effects on system and information.
• Determine tactics, techniques, and procedures (TTPs) for intrusion sets.
• Recommend computing environment vulnerability corrections.
• Conduct research, analysis, and correlation across a wide variety of all source data sets (indications and warnings).
• Create and document procedures and work instructions for use by the SOC staff (Tier 2 through Tier 3).
• Train and mentor other analysts as needed.
• Validate events/alerts received from all monitored security systems against network traffic using packet analysis tools.
• Assist in the construction of signatures which can be implemented on cyber defense network tools in response to new or observed threats within the
network environment or enclave.
• Monitor external data sources (e.g., cyber defense vendor sites, Computer Emergency Response Teams, Security Focus) to maintain currency of cyber defense
threat condition and determine which security issues may have an impact on the enterprise.
• Provides cybersecurity recommendations to leadership based on significant threats and vulnerabilities.
Candidate Requirements
Candidate should have strong communications skills, both written and verbal, be comfortable presenting information to teammates, customer technical personnel and AT&T Leads and Managers.
The preferred candidate is REQUIRED to have:
• Eight (8) years of Security Incident Response, Security Operations Center, and/or threat analysis experience.
• Demonstrated experience using either an Enterprise/MSSP and or cloud Security SIEM technologies as an analyst.
• Ability to support and work across multiple customer and bespoke systems.
• Must be able to pass a CJIS background check process and other background checks to comply with customers contracts.
• Complete basic safety and security training to meet the customer requirements.
• Ability to work a rotating shift and on-call schedule as required.
• CompTIA Security + certification or equivalent/higher
• Splunk Power User Certification
• Selected candidates must be US Citizens.
Candidate Preferred Requirements
The Preferred candidate holding one or more of the industry certifications will be a plus
• Certified Ethic Hacker (CEH) or equivalent
• Certified Incident Handler (GCIH or ECIH)
• Other Certs - such as CompTIA Networking+, any Cloud Certifications, Devo, Splunk, Azure Sentinel
Qualifying Experience and Attributes
• Ability to create and maintain custom reports, dashboards and views utilizing the SIEM
• Ability to create ‘use cases’ to customize the alerting of the SIEM to meet customer needs
• Ability to apply techniques for detecting host and network-based intrusions using intrusion detection technologies.
• Ability to work independently with only minor oversight
• Ability to interpret the information collected by network tools (e.g. Nslookup, Ping, and Traceroute).
• Knowledge of computer networking concepts and protocols, and Cyber security methodologies.
• Knowledge of encryption algorithms, cryptography, and cryptographic key management concepts.
• Knowledge of host/network access control mechanisms (e.g., access control list, capabilities lists).
• Knowledge of vulnerability information dissemination sources (e.g., alerts, advisories, errata, and bulletins).
• Knowledge of incident response and handling methodologies.
• Knowledge of new and emerging information technology (IT) and cybersecurity technologies.
• Knowledge of how traffic flows across the network (e.g., Transmission Control Protocol [TCP] and Internet Protocol [IP], Open System Interconnection Model
[OSI], Information Technology Infrastructure Library, current version [ITIL]).
• Knowledge of key concepts in security management (e.g., Release Management, Patch Management).
• Knowledge of security system design tools, methods, and techniques.
• Knowledge of Virtual Private Network (VPN) security.
• Knowledge of what constitutes a network attack and its relationship to both threats and vulnerabilities.
• Knowledge of Insider Threat investigations, reporting, investigative tools and laws/regulations.
• Knowledge of adversarial tactics, techniques, and procedures.
• Knowledge of network tools (e.g., ping, traceroute, nslookup)
• Knowledge of defense-in-depth principles and network security architecture.
• Knowledge of different types of network communication (e.g., LAN, WAN, MAN, WLAN, WWAN).
• Knowledge of file extensions (e.g., .dll, .bat, .zip, .pcap, .gzip).
• Knowledge of interpreted and compiled computer languages.
• Knowledge of cyber defense and information security policies, procedures, and regulations.
• Knowledge of the common attack vectors on the network layer.
• Knowledge of different classes of attacks (e.g., passive, active, insider, close-in, distribution attacks).
• Knowledge of cyber attackers (e.g., script kiddies, insider threat, nation/non-nation state sponsored).
• Knowledge of system administration, network, and operating system hardening techniques.
• Knowledge of cyber attack stages (e.g., reconnaissance, scanning, enumeration, gaining access, escalation of privileges, maintaining access, network
exploitation, covering tracks).
• Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth).
• Knowledge of network systems management principles, models, methods (e.g., end-to-end systems performance monitoring), and tools.
• Signature implementation impact for viruses, malware, and attacks.
• Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services.
• Knowledge of Mitre ATT&CK and Mitre D3FEND
• Knowledge of the Lockheed-Martin Cyber Kill Chain
• Knowledge of common cybersecurity frameworks, regulations, and compliance standards
• Skill in detecting host and network based intrusions via intrusion detection technologies (e.g., Snort).
• Skill in using protocol analyzers.
• Skill in collecting data from a variety of cyber defense resources.
• Skill in recognizing and categorizing types of vulnerabilities and associated attacks.
• Skill in reading and interpreting signatures (e.g., snort).
• Skill in performing packet-level analysis.
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