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Job Details

Security Operations / Engineering Lead


Applications Security


Gaithersburg, Maryland, United States


Job Description:

The Leidos Civil Group has a current job opportunity for a Cyber SIEM SME.

Are you ready to join an impactful company? Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. This position will perform Cyber SIEM SME engineering support on current and future SIEM products, ensure data feeds and application operation are maintained, and provide support to cyber security analysts in development of analytics and other operational aspects of the SIEM product.


  • Provide engineering support for current and future SIEM products to ensure SIEM is operational and cost efficient

  • Support cyber security analysts in development of analytics using SIEM including support of SOC benchmarking

  • Train cyber security analysts on operation and higher-level usage of SIEM.

  • Lead threat hunting activities.

  • Coordinate penetration testing, forensic analysis and vulnerability assessment activities.

  • Report outages/issues with the SIEM that can not be fixed locally and track to completion of fix action.

  • Design, document, deploy, share, and support complex use-case content packages to adapt to current and future data feeds and sources. Content developed and implemented by Administrator shall include business logic, naming conventions, categorization, prioritization, correlation rules, report templates, use cases, and dashboard / workflow authoring.

  • Coordinate with other SIEM experts on the team across Leidos Civil and other operations centers to formulate and implement content-development best- practices.


  • Demonstration of leadership abilities, with effective verbal and written communications to both technical and executive stakeholders and proven ability to lead during a crisis

  • Advanced critical-thinking and research skills, and experience with proactive threat hunting and mitigation beyond traditional detection methods

  • Bachelor's degree and 12+ years of prior relevant experience; additional work experience or Cybercourses/certifications may be accepted in lieu of degree.

  • In-depth knowledge of architecture, engineering, and operations of SIEM/SOAR solutions.

  • CND experience (Protect, Detect, Respond and Sustain) within a Computer Incident Response organization.

  • Demonstrated understanding of the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).

  • Strong SIEM experience.

  • Advanced understanding of TCP/IP, common networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depth and common security elements.

  • Demonstrated hands-on experience analyzing high volumes of logs, network data (e.g. Netflow, Full Packet Capture), and other attack artifacts in support of incident investigations.

  • Security certification such as CompTIA Security+ CE, ISC2 SSCP, SANS GSEC prior to starting.

  • Microsoft Azure Certification: Microsoft Security Operations Analyst or more advanced certification is required within 180 days of hire.

  • Certification such as CEH, CySA+, GCIA or other certification is required within 365 days of hire.

  • Demonstrated commitment to training, self-study and maintaining proficiency in the technical cyber security domain and an ability to think and work independently.

  • Must be a US Citizen.

  • Must be able to obtain and maintain security clearance, specifically DoD/Secret Clearance or TS/SCI.


  • Microsoft Sentinel experience

  • Advanced certifications involving operation, maintenance, administration of at least one enterprise SIEM platform (e.g. Splunk, Elastic/Kibana).

  • Unix/Linux command line experience.

  • Scripting and programming experience.

  • Motivated self-starter and the ability to create complex technical reports on analytic findings.

  • Experience and proficiency with any of the following: Anti-Virus, HIPS/HBSS, IDS/IPS, Full Packet Capture, Network Forensics.

  • Familiarity or experience in Intelligence Driven Defense and/or Cyber Kill Chain methodology.

Pay Range:Pay Range $113,100.00 - $174,000.00 - $234,900.00

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.