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Job Details

Intrusion Detection Analyst


Business Analyst


Saint Louis, Missouri, United States


Job Description:

Looking for an opportunity to make an impact?

Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos Defense Group is looking for an Intrusion Detection Analyst to work on the United States Transportation Command (USTRANSCOM) Cyberspaces Operations Forces’ (COF) program located at Scott Air Force Base, Illinois. The COF mission is to provide Department of Defense Information Network (DODIN) Operations, defensive cyber operations-internal defensive measures, and overall cyberspace operations in support of USTRANSCOM network systems and missions. You will provide Intrusion Detection Monitoring and Incident Management Daily Operations and Maintenance Services through the application of the intrusion detection monitoring and incident management tools and processes. Intrusion detection/analysis/incident management activities will be performed for all USTRANSCOM information systems/networks that subscribe to USTRANSCOM Cyber Security Service Provider (CSSP) services. You will also identify unauthorized, malicious, or anomalous activity and initiate appropriate incident response actions in support of mission assurance for USTRANSCOM information systems and networks on NIPRNet and SIPRNet, to include USTRANSCOM cloud environments.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Group provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!

Responsibilities Include:

  • Review audit data, e-mail spam, and network traffic data for irregularities or other indications of real or potential security violations

  • Correlate and analyze security data and events from alert and traffic flow systems

  • Identify potential distributed, long-term, coordinated, low-visibility network-based attacks

  • Identify potential advanced persistent and coordinated threats across multiple platforms

  • Perform tuning and optimization tasks to include sensor rule review and log aggregation/visibility

  • Develop/enhance existing intrusion detection analytics/dashboards/signatures to remain commensurate with evolving cyber threat

  • Investigate all security related events and incidents involving information systems

  • Report identified security incidents through the Joint Incident Management System (JIMS) or other

  • Review and share significant activity via SIGACT reports and Attack Sense and Warning (AS&W) tippers

  • Perform incident response based on security events identified

  • Generate and share Suspicious Network Activity Reports (SNARS)

  • Track acknowledgements of SNARS and AS&W tippers from the CSSP Subscriber community

  • Develop and deploy countermeasures in response to cybersecurity incidents

  • Analyze and identify root cause(s) and lessons learned from security incidents

  • Document a formal after actions report (AAR)

  • Provide recommendations related to tactical response actions, such as updating signatures and heuristics

  • Maintain an inventory of log data sources and resident locations

  • Maintain a daily activity log containing continuous event management updates and shift-turnover details of events/incidents

Basic Qualifications:

  • BS degree with 3 + years of prior relevant experience, a Masters with less than 2 years, or 6+ years of experience in lieu of degree

  • Active TS/SCI clearance

  • DoD 8570 Compliant to include IAT-II and CSSP-A certifications

Preferred Qualifications:

  • N/A

Clearance Required:

  • Requires an active Top Secret/SCI security clearance


External Referral Eligible

Pay Range:Pay Range $60,450.00 - $93,000.00 - $125,550.00

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.