Info Security Sys Engineering - Cleared Contractor - L2

Enter Job Description...

Job Title: Senior Associate, Info Sec Systems Engineer (SIEM, Security Tools/Apps)
Job Location: Melbourne, FL
Job Schedule: 9/80, Reg
Rate Range: $91,000 $103,000 annually, which corresponds to an hourly rate of approximately $44 $50.


Job Description

L3Harris is seeking an early to mid-career Information Security Systems Engineer (ISSE) to support Security Information and Event Management (SIEM) platforms and related security tools in a managed enterprise environment for federal government customers.

This role is primarily focused on SIEM engineering, including platform administration, log and data flow support, content development, and system troubleshooting across Windows and Linux environments. The selected candidate will also provide secondary support for related security tools and applications as needed.

The ideal candidate will have hands-on experience with SIEM or centralized logging platforms, a solid foundation in Linux system administration, and a working understanding of networking, log analysis, and enterprise security operations. This role offers the opportunity to build hands-on expertise with enterprise SIEM and security monitoring technologies while supporting mission-critical environments for federal customers.

This position is 100% onsite at L3Harris offices in Melbourne, Florida
This role may require weekend, after-hours, or on-call support rotations based on program needs
This position may require travel to a disaster recovery site to provide support during an emergency
This position requires the ability to obtain FAA Public Trust Suitability
Essential Functions

Administer, maintain, and support SIEM platforms and associated application components in Windows and Linux environments
Develop, tune, and maintain SIEM content, including dashboards, reports, alerts, rules, filters, queries, and data views
Support log ingestion, onboarding of new log sources, data normalization, and data flow optimization to improve visibility and use case performance
Troubleshoot SIEM platform issues, log collection problems, data flow interruptions, and system performance concerns
Perform system administration activities for servers hosting SIEM and related security applications
Use Linux command-line tools to perform routine administration, troubleshooting, and support tasks
Assist with SIEM platform upgrades, patching, configuration changes, and general lifecycle maintenance
Apply configuration management and change control practices to maintain system integrity, documentation, and version control
Develop and maintain technical documentation for system configurations, support procedures, and operational changes in accordance with L3Harris engineering processes
Collaborate with internal teams and customers to resolve technical issues and support mission and operational requirements
Provide secondary administration and support for related security tools and applications as assigned
Participate in routine operational support activities, including maintenance, troubleshooting, and after-hours support when required
Qualifications

Bachelor s degree in Computer Engineering, Cybersecurity, Information Technology, Computer Science, or a related field with a minimum of 2 years of relevant experience; or a graduate degree in a related field with 0-2 years of relevant experience; or an equivalent combination of education and related experience
Minimum of 2 years of experience supporting or administering SIEM, log management, or similar security monitoring platforms
Hands-on experience using Linux command-line tools to perform system administration or troubleshooting tasks
Basic understanding of TCP/IP communications, the OSI model, enterprise data flow concepts, log analysis, event monitoring, and troubleshooting in enterprise IT environments
Experience following standard engineering, configuration management, or change management practices
Ability to develop and maintain clear technical documentation, including system configurations, procedures, and updates, in accordance with established engineering processes
Strong written and verbal communication skills
Ability to work effectively with internal teams, customers, and other technical stakeholders
Preferred Additional Skills

Experience with SIEM platforms such as ArcSight, Splunk, LogRhythm, Exabeam, or similar technologies
Experience supporting security tools or applications in Windows and Linux server environments
Familiarity with log parsing, data normalization, filtering, or regular expressions
Experience with scripting or automation using Shell, Python, or similar languages
Experience with Windows system administration in an enterprise environment
Familiarity with security operations workflows, incident triage, or threat detection concepts
Familiarity with network security monitoring, intrusion detection, or event correlation concepts
Experience supporting government customers in a regulated or security-focused environment
Familiarity with NIST SP 800-53, NIST SP 800-171, or similar security control frameworks
Relevant certifications such as Security+, Linux+, Network+, SIEM vendor certifications, or similar credentials
Enable Skills-Based Hiring No