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# Cyber Defense Incident Responder Senior - Clearance Required

- **Company:** Lockheed Martin
- **Location:** Hanover, MD, United States (Remote available)
- **Experience:** Expert
- **Salary:** $123,500.0 - $217,695.0
- **Contract:** Permanent contract
- **Skills:** Network Analysis, Cyber Security, Information Systems, Issue Tracking Systems, Security Information and Event Management, Software Engineering, Traffic Analysis, Wireshark, Mitre Att&ck, QRadar, Information Technology, Cyber Warfare, Splunk, Doctrine (orm)
- **Published:** July 7, 2026
- **Apply:** https://www.jobmonkeyjobs.com/career/27826945/Cyber-Defense-Incident-Responder-Senior-Clearance-Required-Maryland-Hanover-1301

## About the Role

* High School Diploma plus 13 years of relevant experience is required OR Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or related discipline from an accredited college or university, plus 10 years of relevant experience is required OR Master's degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or related discipline from an accredited college or university, plus 8 years of relevant experience is required.

Experience:
-Led major breach investigations and directed cross-functional response teams, ensuring rapid containment and coordinated remediation with network and system owners.
-Performed real-time traffic analysis, executed run-book procedures to isolate affected hosts, and developed containment strategies that limited lateral movement.
-Captured and preserved forensic artifacts for potential legal use while documenting every action in the incident ticketing system to maintain auditability and traceability.
-Managed incident-response staffing, training, and post-incident lessons-learned workshops that captured findings and drove continuous process improvements.
-Produced concise incident summary reports for senior management and key stakeholders, highlighting root-cause analysis, remediation status, and recommendations.
-Must possess a current U.S. TS/SCI security clearance with polygraph.
Desired Skills:

 * Certifications: CISSP, GCIH, GCFA, CISA, or equivalents.
 * Proficiency with network analysis tools (Wireshark, Zeek), forensic suites, and SIEM platforms (Splunk, QRadar).
 * Strong written and oral communication skills; ability to produce concise executive reports.
 * Strategic thinking aligned with mission objectives.
 * Ability to lead multidisciplinary teams under pressure.
 * Expertise in MITRE ATT&CK framework and incident-response playbooks.
 * Experience in DoD or intelligence-community cyber environments.
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly, Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

## Description

The scope of this effort encompasses tasks that provide USCYBERCOM with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to defend and advance national interests in collaboration with domestic and international partners. These tasks include coordinating, synchronizing, deconflicting, and integrating operational planning efforts for full-spectrum cyberspace operations., * As a Cyber Defense Incident Responder - Senior you will provide Cyberspace Operations Support Services (COSS) aligned with the following core disciplines: Cyberspace Operations, Cyberspace Planning, Cyberspace Training and Exercises, Strategy / Policy / Doctrine Development and Campaign, Assessments, Information Technology (IT) / Communications, Business Area Support and Project Management Engagement Activities.

 * You will provide the customer with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to defend and advance national interests in collaboration with domestic and international partners. These tasks include coordinating, synchronizing, deconflicting, and integrating operational planning efforts for full-spectrum cyberspace operations.
 * You will meet the evolving cyberspace operations mission in support of the Joint warfighter.

WHY JOIN US

 * Join a global technology leader where your ideas can make a difference and your contributions are valued.
 * Work on exciting projects that challenge you to push boundaries and innovate.
 * Grow your career in an environment that encourages learning, development, and creativity.
 * We support our employees, so they can support our mission.


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