Tier 3 Analyst

Found in: Talent US C2 - 2 weeks ago

Chantilly, United States Fusion Technology Full time

Tier 3 Analyst (Senior Security Analyst)

Who are you?

You must possess an active Secret security clearance. You must also be able to obtain TSA suitability. High school diploma One or more vendor specific certifications (CYSA+, CEH, or equivalent)

What you’ll do:

Functional Description –

The Sr Security Analyst will monitor and analyze security events and alerts reported by the TSA SIEM on a 24x7 basis to identify and investigate suspicious or malicious activity, or other cyber events which violate TSA policy. The analyst will be responsible for analyzing logs and events from any other device types which may send logs or events to the TSA SOC in the future. Non-traditional device feeds will deliver data to the SIEM architecture (e.g., Human Resources (HR) data, badging information, and physical security devices, etc.). The analyst will provide documentation detailing any additional information collected and maintained for each security investigation. The analyst will record all artifacts (i.e. emails, logs, documents, Uniform Resource Locators (URLs), screenshots, etc.) associated with all security events and incident investigations within the TSA SOC incident and tracking application.

Required Skills –

At least five years of experience working in a Security Operations Center (SOC) or Network Operations Center (NOC) environment performing security event monitoring and analysis Working knowledge of the various operating systems (e.g. Windows, OS X, Linux, etc.) commonly deployed in enterprise networks. Must possess a working knowledge of network communications and routing protocols (e.g. TCP, UDP, ICMP, BGP, MPLS, etc.) and common internet applications and standards (e.g. SMTP, DNS, DHCP, SQL, HTTP, HTTPS, etc.) Must be capable of analyzing security logs and events from the following types of devices such as, but not limited to: Firewalls (FWs), Intrusion Detection Sensors/Intrusion Prevention Sensors (IDS/IPS), Host-based Intrusion Detection System/ Host-based Intrusion Prevention System (HIDS/HIPS), proxy/web filter, vulnerability scans, routers, router Internet Protocol (IP) accounting systems (i.e., Cisco NetFlow), Virtual Private Network (VPN) gateways/concentrators, server event logs, e-mail and host anti-virus, desktop security monitoring agents, anti-virus servers, IP services (i.e. Domain Name System (DNS) Services, Dynamic Host Configuration Protocol (DHCP), network address translation devices, MDM (e.g. cellphones), Public Key Infrastructure (PKI), and cloud security infrastructure (e.g. Amazon Web Services (AWS), Azure, Oracle, Salesforce, etc.) Advanced knowledge of common adversarial tactics, techniques, and procedures (TTPs)

 Preferred Skills –

Ability and prior experience with analyzing information technology security events to discern events that qualify as legitimate security incidents as opposed to non-incidents. This includes the identification of malicious code present within a computer system as well identification of malicious activities that are present within a computer system and/or enterprise network. Experience with Splunk query language. Experience with IDS/IPS/firewall/security configurations and signature development. Experience with PCAP analysis. Experience with Tanium threat response. Experience working with a ticket management system to collect, document and maintain information pertinent to security investigations and incidents. Excellent verbal and written communications skills and ability produce clear and thorough security incident reports and briefings. Experience in monitoring the operational status of monitoring components and escalating and reporting outages of the components. Conceptual understanding of Windows Active Directory is also desired. Experience working with various event logging systems and must be proficient in the review of security event log analysis. Previous experience with SIEM platforms that perform log collection, analysis, correlation, and alerting is also preferred. Experience with the identification and implementation of counter-measures or mitigating controls for deployment and implementation in the enterprise network environment. Experience in collecting and maintaining information pertinent to security; investigations and incidents in a format that supports analysis, situational awareness reporting, and law enforcement investigation efforts.

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