Attack Sensing & Warning Analyst (T2 AS&W Analyst)
Ashburn, VA, United States
- IT
- Full-time
- SOC analyst
- incident response
- EDR
Senior Tier-2 SOC analyst role supporting DHS CBP focused on detection, triage, and incident response using EDR, SIEM (Splunk), and network forensics. Responsibilities include identifying APT tactics, aggregating IOCs, developing detection content and scripts, leading incident response, mentoring junior staff, and producing reports for leadership. Requires cybersecurity degree or equivalent experience, relevant certifications, and ability to obtain DHS suitability/background clearance.
Description
The U.S. Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a U.S. Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations. The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.
Leidos is seeking an experienced Tier 2 Attack Sensing & Warning Analyst to join our team. As a member of the AS&W team supporting U.S. Customs and Border Protection (CBP), you will be responsible for leveraging advanced security technologies including EDR, SIEM, and network security tools to monitor, triage, and investigate endpoint and network activity, escalating alerts in accordance with established playbooks and procedures, analyzing logs and attacker behaviors to identify APT tactics, aggregating IOCs, and developing security content, scripts, and tools that enhance detection and incident response capabilities in support of the protection of the customers’ systems, networks, and assets.
Primary Responsibilities:
Shift schedule: 7am-7pm, Sun-Tues, every other Wednesday.
Utilize state of the art technologies such as Endpoint Detection & Response (EDR) tools, log analysis (Splunk) and occasionally network forensics (full packet capture solution) to investigative activity to examine endpoint and network-based data.
Monitor alerting channels for multiple endpoint and network tools for alerts of various criticalities and escalate according to defined processes, procedures, and playbooks.
Triage alerts to determine nature of activity occurring on customer networks, systems, servers, and mobile devices.
Conduct log analysis from multiple avenues and tools to triage activity in support of incident response.
Recognize attacker and APT activity, tactics, and procedures and aggregate indicators of compromise (IOCs) that can be used to improve monitoring, analysis and incident response.
Develop and build security content, scripts, tools, or methods to enhance the incident investigation processes.
Lead Incident Response activities and mentor junior SOC staff.
Create daily, weekly, and monthly reports for dissemination to customer leadership with emphasis on attention to detail and accurate capturing of relevant, timely data for briefings.
Succinctly and accurately capture technical details and summarize findings for less technical audiences.
Work with key stakeholders to implement remediation plans in response to incidents.
Effectively investigative and identify root cause findings then communicate findings to stakeholders including technical staff, and leadership.
Strong problem-solving abilities with an analytic and qualitative mindset.
Effectively communicate with customer leadership and disseminate timely updates of critical incidents with emphasis on attention to detail and accurate reporting.
Basic Qualifications:
Bachelor’s degree in computer science, engineering, Information Technology (IT), Cyber Security, or related field and 4 years of professional experience. Additional years of experience are accepted in lieu of degree.
5 years of professional experience (or a Bachelors’ Degree and 3 years of professional experience) in incident detection, response and remediation.
Minimum of three (3) but (5) preferred years of specialized experience in one or more of the following areas:
Email security
Digital media forensic
Monitoring and detection
Incident Response
Vulnerability assessment and penetration testing
Cyber intelligence analysis
Extensive experience analyzing and synthesizing information with other relevant data sources, providing guidance and mentorship to others in cyber threat analysis and operations.
Ability to collaborate with technical staff and customers to identify, assess, and resolve complex security problems/issues/risks and facilitate resolution and risk mitigation.
Ability to stay up to date with the latest threat intelligence, security trends, tools, and capabilities.
Possess strong problem-solving abilities with an analytic and qualitative eye for reasoning.
Ability to independently prioritize and complete multiple tasks with little to no supervision.
Preferred Qualifications:
Ability to coordinate and communicate well with team leads and government personnel.
Experience with detection engineering efforts to tune alerts, signatures, and tools to reduce false positives.
Experience in cyber government, and/or federal law enforcement
Experience with the Cyber Kill Chain and MITRE ATT&CK framework
Ability to formulate and create new processes, metrics, and procedures to improve security operations.
Required certifications:
The candidate should have at minimum ONE of the following certifications:
CompTIA Cyber Security Analyst (CySA+)
CEH – Certified Ethical Hacker
CompTIA Linux Network Professional (CLNP)
CompTIA Pentest+
CompTIA Cybersecurity Analyst (CySA+)
GPEN – Penetration Tester
GWAPT – Web Application Penetration Tester
GSNA – System and Network Auditor
GISF – Security Fundamentals
GXPN – Exploit Researcher and Advanced Penetration Tester
GWEB – Web Application Defender
GNFA – Network Forensic Analyst
GMON – Continuous Monitoring Certification
GCTI – Cyber Threat Intelligence
GOSI – Open Source Intelligence
OSCP (Certified Professional)
OSCE (Certified Expert)
OSWP (Wireless Professional)
OSEE (Exploitation Expert)
CCFP – Certified Cyber Forensics Professional
CISSP – Certified Information Systems Security
CHFI – Computer Hacking Forensic Investigator
LPT – Licensed Penetration Tester
CSA – EC Council Certified SOC Analyst (Previously ECSA – EC-Council Certified Security Analyst)
ENSA – EC-Council Network Security Administrator
ECIH – EC-Council Certified Incident Handler
ECSS – EC-Council Certified Security Specialist
ECES – EC-Council Certified Encryption Specialist
Clearance:
All Department of Homeland Security CBP SOC employees are required to favorably pass a 5-year (BI) Background Investigation
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:
January 14, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.




