Leidos is seeking a Cyber Network Defense Analyst to join our team on a highly visible cyber security single-award IDIQ vehicle that provides security operations center (SOC) support, cyber analysis, application development, and a 24x7x365 support staff.
Department of Homeland Security (DHS), Security Operations Center (SOC) Support Services is a US Government program responsible to monitor, detect, analyze, mitigate, and respond to cyber threats and adversarial activity on the DHS Enterprise. The DHS SOC has primary responsibility for monitoring and responding to security events and incidents detected at the Trusted Internet Connection (TIC) and Policy Enforcement Point (PEP) and is responsible for directing and coordinating detection and response activities performed by each Component SOC. Direction and coordination are achieved through a shared DHS incident tracking system and other means of coordination and communication.
The Analyst will provide support during core business hours and will also participate in an on-call rotational schedule.
Duties include proactively searching for threats. Inspect traffic for anomalies and new malware patterns. Investigate and analyze logs. Provide analysis and response to alerts when escalated from junior analysts, and document activity in SOC investigations and Security Event Notifications (SENs). Develop custom content within the SIEM or other network security tools to detect threats and attacks against the department. The analysts participate in briefings to provide expert guidance on new threats and will act as an escalation point for M&A analysts. The analyst may also be required to author reports and/or interface with customers for ad-hoc requests. In addition, the Tier 3 analyst may be asked to participate in discussions to make recommendations on improving SOC visibility or process.
Provide expert content development in the SIEM and signature creation for network security devices
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
The candidate shall have bachelor’s degree in Cybersecurity, Information Technology, or a related field and a minimum of 8 years of relevant experience including 5 years of experience in incident detection and response, malware analysis, or cyber forensics. Of the professional experience required above, Tier 3 Analyst candidates shall have at least one (1) of the following specialized experience for their position:
Monitoring and Detection Analyst: Candidates shall have a minimum of five (5) years of professional experience in security, information risk management, or information systems risk assessment, and must be knowledgeable in many areas such as: Vulnerability Assessments, Intrusion Prevention and Detection, Access Control and Authorization, Policy Enforcement, Application Security, Protocol Analysis, Firewall Management, Incident Response, Data Loss Prevention (DLP), Encryption, Two-Factor Authentication, Web-filtering, and Advanced Threat Protection.
Incident Response Analyst: Candidates shall have a minimum of five (5) years of professional experience responding to information system security incidents. Ability to use the DHS furnished toolset to identify and determine root causes of incidents and provide any required documentation and possible evidence to security investigators.
The ideal candidate is a self-motivated individual in pursuit of a career in cybersecurity. A minimum of current TS with ability to obtain TS/SCI Clearance is required. 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. Candidates must also have:
At least one of the following certifications: SANS GIAC: GCIA, GCIH, GCFA, GPEN, GWAPT, GCFE, GREM, GXPN, GMON, or GCIH. EC Council: CEH, CHFI, LPT, ECSA. ISC2: CCFP, CCSP, CISSP CERT CSIH. Offensive Security: OSCP, OSCE, OSWP and OSEE
Experience implementing 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 training and mentoring junior analysts
Expertise in developing custom SPL using macros, lookups, etc.
Experience creating regex for pattern matching
Extensive knowledge of common end user and web application attacks and countermeasures against attacks
Experience creating SOPs and providing guidance to junior analyst
Ability to analyze new attacks and provide guidance to watch floor analyst 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 implementing security methodologies and SOC processes
Experience developing custom workflows within Splunk to streamlines SOC processes
Knowledgeable of APTs their capabilities and experience implementing appropriate countermeasures
Experience in a scripting language (e.g. Python, Powershell, etc) and automating SOC processes/workflow
Experience with performing cloud (e.g. o365, Azure, AWS, etc) security monitoring and familiarity with cloud threat landscape
Experience creating and tuning network security signatures such as SNORT and YARA
External Referral Bonus:Eligible
Potential for Telework:No
Clearance Level Required:Public Trust
Scheduled Weekly Hours:40
Job Family:Cyber Operations
Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit www.Leidos.com.
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