SIEM Content Developer

Primary Responsibilities:

Experience with creating and implementing custom IOCs and IOAs in Crowdstrike

Experience with triaging and investigating hosts using Crowdstrike

Experienced with updating McAfee AV signatures

Experience with creating and maintain custom Tanium packages for collecting artifacts for continuous monitoring

Provide recommendations for tuning and/or triaging notable events

Perform critical thinking and analysis to investigate cyber security alerts

Analyze network traffic using enterprise tools (e.g. Full PCAP, Firewall, Proxy logs, IDS logs, etc)

Collaborate with team members to analyze an alert or a threat

Stay up to date with latest threats and familiar with APT and common TTPs

Utilize OSINT to extrapolate data to pivot and identify malicious activity

Have experience with dynamic malware analysis

Have experience performing analysis of network traffic and correlating diverse security logs to perform recommendations for response

Utilize the Cyber Kill Chain and synthesize the entire attack life cycle

Review and provide feedback to junior analysts’ investigation

participate in discussions to make recommendations on improving SOC visibility or process

Contribute to SOP development and updating

Provide expert guidance and mentorship to junior analysts

Basic Qualifications:

Candidates must have extensive experience working with various security methodologies and processes, advanced knowledge of TCP/IP protocols, experience configuring and implementing various technical security solutions, extensive experience providing analysis and trending of security log data from a large number of heterogeneous security devices, and must possess expert knowledge in two or more of the following areas related to cybersecurity:

Vulnerability AssessmentIntrusion Prevention and DetectionAccess Control and Authorization

Policy EnforcementApplication SecurityProtocol AnalysisFirewall ManagementIncident Response

EncryptionWeb-filteringAdvanced Threat Protection

Must have at least one of the following certifications:

SANS GIAC:

GCIA, GCIH, GCFA, GPEN, GWAPT, GCFE, GREM, GXPN, GMON, GISF, or GCIH

EC Council:

CEH, CHFI, LPT, ECSA

ISC2:

CCFP, CCSP, CISSP CERT CSIH

Offensive Security:

OSCP, OSCE, OSWP and OSEE

Must have TS/SCI. In addition to specific security clearance requirements, all Department of Homeland Security SOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program.

The ideal candidate is a self-motivated individual in pursuit of a career in cyber security.

Experienced with developing advanced correlation rules utilizing tstats and datamodels for cyber threat detection

Experienced with creating and maintaining Splunk knowledge objects

Experienced managing and maintaining Splunk data models

Expertise in developing custom SPL using macros, lookups, etc and network security signatures such as SNORT and YARA

Experience creating regex for pattern matching

Implemented security methodologies and SOC processes

Extensive knowledge about network ports and protocols (e.g. TCP/UDP, HTTP, ICMP, DNS, SMTP, etc)

Experienced with network topologies and network security devices (e.g. Firewall, IDS/IPS, Proxy, DNS, WAF, etc).

Hands-on experience utilizing network security tools (e.g. Sourcefire, Suricata, Netwitness, o365, FireEye, etc) and SIEM

Experience in a scripting language (e.g. Python, Powershell, etc) and automating SOC processes/workflow

Experience training and mentoring junior analysts

Extensive knowledge of common end user and web application attacks and countermeasures against attacks

Experience developing custom workflows within Splunk to streamline SOC processes

Experience creating SOPs and providing guidance to junior analysts

Ability to analyze new attacks and provide guidance to watch floor analysts on detection and response

Knowledgeable of the various Intel Frameworks (e.g. Cyber Kill Chain, Diamond Model, MITRE ATT&CK, etc) and able to utilize it in their analysis workflow

Experience with cloud (e.g. o365, Azure, AWS, etc) security monitoring and familiar with cloud threat landscape

Knowledgeable of APT capabilities and be able to implement appropriate countermeasures

Required Education/Experience:

All Tier 2 analyst candidates shall have a minimum a bachelor’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related field PLUS eight (8) years of experience in incident detection and response, malware analysis, or cy

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