SIEM Content Developer Job at Gray Tier Technologies, Washington DC

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  • Gray Tier Technologies
  • Washington DC

Job Description


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 Assessment 
  • Intrusion Prevention and Detection 
  • Access Control and Authorization 
  • Policy Enforcement 
  • Application Security 
  • Protocol Analysis 
  • Firewall Management 
  • Incident Response 
  • Encryption 
  • Web-filtering 
  • Advanced 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, 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 

Job Tags

Full time,

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