Leidos is seeking highly qualified professionals to support the TSA TOMCAT Program .
We are especially interested in connecting with current incumbent personnel supporting this mission who are interested in continuing their work and bringing their valuable mission knowledge and experience to Leidos.
Position Summary
The Cybersecurity Engineer provides engineering and operational cybersecurity support across the TOMCAT environment, integrating security requirements into enterprise IT operations, incident response, vulnerability management, system changes, patching, and service delivery.
The position works closely with TSA SOC personnel, Information Assurance leadership, system owners, infrastructure engineers, ServiceNow teams, and operational service teams to identify, analyze, remediate, and track cybersecurity risks while maintaining mission continuity.
Remote, with onsite, surge, or shift support as required.
Essential Duties Could Include the following:
Provide cybersecurity engineering and operational support for TOMCAT enterprise services.
Support vulnerability management, security remediation, POA&M activities, RMF processes, and cybersecurity compliance reporting.
Analyze vulnerability findings, security risks, remediation status, exceptions, and trends.
Coordinate cybersecurity remediation activities with system owners, infrastructure engineers, patch teams, and operations leads.
Support detection, analysis, and response to cybersecurity incidents.
Coordinate with TSA SOC, ISSOs, CIC, and technical service towers during cyber-related incidents.
Analyze security alerts, indicators, affected assets, containment actions, and remediation status.
Support security configuration, patching, hardening, monitoring, and technical-control activities.
Maintain audit evidence, cybersecurity reporting artifacts, corrective-action records, and technical documentation.
Support FISMA, NIST, TSA/DHS security requirements, and operational compliance activities.
Integrate cybersecurity considerations into incident, change, release, configuration, and operational processes.
Support security assessments and technical reviews of proposed changes and new technologies.
Participate in root-cause analysis and lessons-learned activities following cybersecurity events.
Maintain cybersecurity SOPs, runbooks, technical procedures, and knowledge articles.
Provide technical recommendations to improve the security and resilience of enterprise services.
Requirements will vary depending on the specific position and level. Qualifications may include:
Bachelors degree and 8+ years of prior relevant experience with either cybersecurity engineering, information security, or information assurance experience in an enterprise or federal environment. Additional years of experience may be considered in lieu of degree.
Knowledge of NIST cybersecurity principles and federal cybersecurity requirements.
Experience with vulnerability management, remediation, POA&M, RMF, and security reporting.
Knowledge of cybersecurity incident response processes.
Experience working with enterprise security, endpoint, network, cloud, or infrastructure technologies.
Strong analytical, troubleshooting, documentation, and communication skills.
Ability to coordinate cybersecurity actions with technical operations without disrupting mission systems.
Ability to obtain and maintain TSA Suitability
Ability to obtain and maintain Public Trust Security Clearance
Required Certifications
One or more of the following, consistent with the source library:
Security+.
CISSP.
CySA+.
GCIH or GCIA.
CAP/CGRC.
Preferred Qualifications
TSA, DHS, or federal cybersecurity experience.
Experience with SIEM, EDR, vulnerability-management, endpoint, network, cloud, or security-monitoring tools.
Experience with ServiceNow security/incident workflows.
Experience supporting RMF and FISMA environments.
Zero Trust, cloud security, or enterprise security engineering experience.
Please disregard the salary range displayed on this evergreen posting as representative of all TSA TOMCAT opportunities. This posting is intended to identify candidates across multiple functional areas and experience levels and, therefore, the displayed range may not reflect the compensation associated with an individual position. Compensation for specific opportunities will be determined based on the position for which an individual is considered or hired and may vary based on factors including experience level, skills, certifications, education, security clearance requirements, work location, and other position-specific considerations.
If you are currently supporting this mission and are interested in learning more about opportunities with Leidos, we encourage you to apply even if you do not see your exact position listed above.
Join Leidos and help continue delivering the technology, expertise, and mission support that enable TSA TOMCAT operations.
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.
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.
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.
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