Cyber Detections Engineer

Description Job 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 CBPSOCis responsible fortheoverall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations. Leidos is seeking an experiencedCyber Detection Engineertojoin our team. As a member of thehighlytechnical Operations Enhancement team supportingU.S.CustomsandBorder Protection (CBP),you will be responsible for in-depth technical analysis of network and endpoint logs & activity, developing signatures, alerts, rules, etc., to improve the security posture of the environment, developing processes and procedures for new tools and technologies in support of the protection of the customersu2019 systems, networks, and assets. Primary Responsibilities: + Create,develop, andmaintainnew security content as the result of hunt missions, penetration tests, tuningrequestsand others,to include signatures, alerts,rules,workflows, and automation. + Identify, track, and investigate high priority threat campaigns, malicious actors withtheinterest, capability and Tactics,Techniques, andProcedures (TTPs)to target the agency. + Coordinate& leadcross functionalcollaborationto improve threat detection,design security content, and improve overall security posture of the Enterprise. + Proactively and iteratively search through systems and networks to detect advancedthreatsandcreate content tomonitorand alert on such activity/threats. + Usethe MITRE ATT&CK framework to understand TTPs of adversaries, threat actors, APTs, and threats targeting the customer agency and organize threat hunts around ATT&CK techniques and sub-techniques. + Responsible formaintaininga comprehensive understanding of the cyber threat landscape, includingidentifyingand analyzing cyber threats actors and/or activities to enhance cybersecurity posture of the organizationu2019s IT operating environment. + Responsible forconductingcyber threat analysis,identifyingmitigation and/or remediation courses of action; developing actionable intelligence used to protect organizational IT assets; and trending cyber threat metrics for leadership situational awareness. + Analyze host, network, and application logs in addition to malware and code. + Willbe responsible fordeveloping scripts to support cyber threat detection that outputsresultsin a variety of formats, such as VB scripts, Python, C++, HTML,XMLor other type mostappropriate forthe task. + Produce high quality technical and non-technical products, briefings,whitepapers, etc., with minimal supervision and emphasis on effective/accuratereporting on product topics. + Maintain the daily battle rhythm for theDetection EngineeringTeam with an emphasis on adherence to deadlines, attention to detail, and clear/concise communication with the customer and stakeholders. Willbe responsible for: + Developing, creating, andmaintainingsecurity content for deployment on tools and technologies across the enterprise environment. + Identifying, tracking, and investigatinghigh priority threat campaigns, malicious actors withthe interest, capability and Tactics,Techniques, andProcedures (TTPs)to create security content, and tune alerts, signatures, and rules. + Use the MITRE ATT&CK framework to understand TTPs of adversaries, threat actors, APTs, and threats targeting the customer agency and organize threat hunts around ATT&CK techniques and sub-techniques. + Author technical and non-technical reports and briefings to ensure leadership awareness of findings and observations. + Create daily, weekly,and monthly reports and metrics for products and briefings. + Process technical data from various sources and fuse the data with intelligence reporting to improve the security posture of the customer, as well as manage ThreatHunttools. Basic Qualifications: + Musthave aBacheloru2019s degree inComputer Science, Engineering, Information Technology, Cybersecurity, or arelated field anda minimum of15years of professional experience in incident detection and response, malware analysis,cyberthreathunting,or cyber forensics. + Have2+yearsrecent experience with host-based and network-based security monitoring using cybersecurity capabilities. + Must be experienced developing scripts to support cyber threat detection that outputsresultsin a variety of formats, such as VB scripts, Python, C++, HTML, XML orother. + Established experience with incident response and SIEM tools, host-based logs, network-based logs, and regex. + Ability to work independently with minimal direction; self-starter/self-motivated. Required certifications: The candidate should have at minimum ONE of the following certifications: + CompTIA Cyber Security Analyst (CySA+) + CompTIA Linux Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity Analyst (CySA+) + GPEN u2013 PenetrationTester + GWAPT u2013 Web Application Penetration Tester + GSNA u2013 System andNetwork Auditor + GISF u2013 SecurityFundamentals + GXPN u2013 Exploit Researcher and Advanced PenetrationTester + GWEB u2013 Web ApplicationDefender + GNFA u2013 Network ForensicAnalyst + GMON u2013 Continuous Monitoring Certification + GCTI u2013 Cyber Threat Intelligence + GOSI u2013Open SourceIntelligence + OSCP (CertifiedProfessional) + OSCE (Certified Expert) + OSWP (WirelessProfessional) + OSEE (Exploitation Expert) + CCFP u2013 Certified Cyber Forensics Professional + CISSP u2013 Certified Information SystemsSecurity + CEH u2013 Certified EthicalHacker + CHFI u2013 Computer Hacking Forensic Investigator + LPT u2013 Licensed PenetrationTester + CSA u2013 EC Council Certified SOC Analyst (Previously ECSA u2013 EC-Council Certified Security Analyst) + ENSA u2013 EC-Council Network Security Administrator + ECIH u2013 EC-Council Certified Incident Handler + ECSS u2013 EC-Council Certified Security Specialist + ECES u2013 EC-Council Certified Encryption Specialist Preferred Qualifications: + A minimum of15years of hands-on experience with experience in the last2years that includes host-based and network-based security monitoring using cybersecurity capabilities. + Demonstrated experience planning,executing, andparticipatinginthreat hunt missions. + PreviousDOD, IC or Law Enforcement Intelligence or Counterintelligence Training/Experience + Understanding of complex Enterprise networks to include routing, switching, firewalls, proxies, load balancers. + Working knowledge of common (HTTP, DNS, SMB,etc) networking protocols + Familiaritywith operation of both Windows and Linux based systems. + Proficient with scripting languages such as Python or PowerShell + Familiarity with Splunk Search Processing Language (SPL) and/or Elastic Domain Specific Language (DSL) Clearance: + All Department of Homeland Security CBP SOC employeesare requiredtofavorablypass a 5-year (BI) Background Investigation + The candidate must currentlypossessaTop SecretClearance with the ability to obtain a Top Secret/SCI Clearance If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo u2014 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 u2014 and moving faster than anyone else dares. Original Posting: January 28, 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: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline onlyand 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 . 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 . Securing Your Data Beware of fake employment opportunities using Leidosu2019 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 automated system u2013 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 . 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. REQNUMBER: R-00174698All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

Created: 2026-02-02