
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 SOCis responsible fortheoverall 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 forleveraging 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, analyzinglogs and attacker behaviors to identify APT tactics, aggregatingIOCs, and developingsecurity 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.
Utilizestate of the arttechnologies such as Endpoint Detection & Response(EDR)tools, log analysis (Splunk) andoccasionallynetwork forensics (full packet capture solution) toinvestigative 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 todeterminenature of activity occurring on customer networks, systems, servers, and mobile devices.
Conduct log analysisfrom multiple avenues and tools totriageactivityin support of incident response.
Recognize attacker and APT activity, tactics, and procedures and aggregateindicators of compromise (IOCs) that can be used to improve monitoring,analysisand incident response.
Develop and build security content, scripts, tools, or methods to enhance the incident investigation processes.
LeadIncident Response activities and mentor junior SOC staff.
Create daily, weekly, and monthly reports for dissemination to customer leadership with emphasis on attention to detail andaccuratecapturing of relevant,timelydata 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 andidentifyroot 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 anddisseminatetimelyupdates of critical incidents with emphasis on attention to detail andaccuratereporting.
Basic Qualifications:
Bachelor’s degree in computer science,engineering, Information Technology(IT), Cyber Security, or related field and 2, 4 or 8 years of professional experience (depending on level). Additional years of experience are accepted in lieu of degree.
5years of professional experience(or a Bachelors’ Degree and 3 years of professional experience)in incident detection,responseand 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 andpenetration 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 toidentify, assess, and resolve complex security problems/issues/risks andfacilitateresolution and risk mitigation.
Ability to stayup 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 withtheCyber Kill Chainand MITRE ATT&CK framework
Ability to formulate and create new processes, metrics, and procedures to improve security operations
Must be able to report into the office as many as 5 days per week in Ashburn, VA
Required certifications:
The candidate should have at minimum ONE of the following certifications:
CompTIA Cyber Security Analyst (CySA+)
CEH – Certified EthicalHacker
CompTIA Linux Network Professional (CLNP)
CompTIA Pentest+
CompTIA Cybersecurity Analyst (CySA+)
GPEN – PenetrationTester
GWAPT – Web Application Penetration Tester
GSNA – System andNetwork Auditor
GISF – SecurityFundamentals
GXPN – Exploit Researcher and Advanced PenetrationTester
GWEB – Web ApplicationDefender
GNFA – Network ForensicAnalyst
GMON – Continuous Monitoring Certification
GCTI – Cyber Threat Intelligence
GOSI –Open SourceIntelligence
OSCP (CertifiedProfessional)
OSCE (Certified Expert)
OSWP (WirelessProfessional)
OSEE (Exploitation Expert)
CCFP – Certified Cyber Forensics Professional
CISSP – Certified Information SystemsSecurity
CHFI – Computer Hacking Forensic Investigator
LPT – Licensed PenetrationTester
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 employeesare required tofavorably pass a 5-year (BI) Background Investigation
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
March 4, 2026
For 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 $87,100.00 - $157,450.00
The 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.

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.