L3HHCM20
Senior Associate, IT Security
L3HHCM20 is hiring a Senior Associate, IT Security in Melbourne, FL, US. Posted September 21, 2026.
Job at a glance
- Company
- L3HHCM20
- Location
- Melbourne, FL, US
- Sector
- Customer Support
- Posted
- September 21, 2026
About the job
Job Title: Senior Associate, IT Security
Job Code: 44650
Job Location: Melbourne, FL
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off
Job Description:
L3Harris is searching for a talented IT Security professional to join the L3Harris Security Operations Team supporting managed network infrastructures for federal government customers. The successful candidate will operate within our 24/7/365 Security Operations Control Center (SOCC).
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This is an ON-SITE position at L3Harris offices located in Melbourne, Florida
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This position requires weekend, after hours support, and on-call rotations to meet program requirements
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This position requires travel to a disaster recovery site to support if needed in an emergency
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This position requires the ability to obtain FAA Public Trust Suitability
Essential Functions:
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Monitor security systems for signs of irregular activity, analyze potential security incidents, and escalate findings according to established protocols
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Analyze network traffic and activity, perform packet captures, interpret data, and effectively communicate findings to stakeholders, escalating as per established protocols
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Document all detected incidents accurately and comprehensively in the incident management system for further investigation as per customer defined reporting protocols
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Collaborate with security teams, customers, and program managers to facilitate system maintenance, including coordination with technicians, troubleshooting issues, and testing configurations for system integrity
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Demonstrates proficient written and verbal communication, self-driven initiative, keen interest in learning, and strong collaborative skills within a team setting
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Provide Tier 1 help desk and customer support, serving as the first point of contact for internal and external users facing technical issues
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Ensures security tools are current, including updates and signature management
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Ability to obtain FAA Public Trust Suitability
Qualifications:
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Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.
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Experience using the Command Line Interface (CLI) for Cisco routers and switches
Preferred Additional Skills:
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Experience using the Command Line Interface (CLI) for Cisco routers and switches
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Adaptable to a dynamic and fast-paced work environment
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Experience using Linux and Windows Operating Systems (OS) Command Line tools
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Experienced in collecting and analyzing system logs and event data, with a focus on root cause analysis using device logs or SIEM tools to document findings
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Familiarity with network security and identity management services and technologies, including but not limited to firewalls, IDS, WAF, ISE, RSA, and various VPN technologies
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Prior federal telecommunications and network security experience is a plus
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Security certifications (e.g., CompTIA Security+, ISC2 CC, CEH)
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Other relevant certifications (e.g., Cisco CyberOps, CND, GIAC, CySA+, Pentest+, etc.)
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