Lead Systems Administrator

L3Harris

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: Melbourne, FL
Posted: 3 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

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Salary context

How this pay compares to similar roles

Similar $160k

$107k most similar roles pay here $216k

This listing doesn't post a salary. Most similar roles pay $134,400–$184,912.

Based on 240 similar postings.

Employer

About L3Harris

L3Harris Technologies is a US aerospace and defense technology company providing space and airborne systems, communications, electronic warfare, and missile propulsion solutions for government and commercial customers.

L3Harris currently has 783 open roles on FindRole.

Listed pay typically runs $106,500–$197,500 across 279 roles with salary data.

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At a glance

TL;DR · Lead Systems Administrator

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Lead, Systems Administrator will join the Melbourne team as a Cyber Infrastructure Systems Engineer to design, deploy, and sustain complex mission systems. This role involves administering, configuring, monitoring, and troubleshooting Red Hat and CentOS Linux systems within secure environments. The individual will manage AWS GovCloud and C2S cloud infrastructure using automation tools and virtualization technologies while supporting JBoss-based services. Key responsibilities include implementing system hardening measures based on DoD security standards and STIGs, performing vulnerability remediation for RMF compliance, and maintaining technical documentation for configuration management. The candidate must possess a TS/SCI clearance and relevant certifications like Security+ CE or CCNA-Security. Technical expertise required includes experience with PKI, OAuth authentication models, cross-domain systems, and microservices using containers such as Docker to ensure the reliability of mission-critical systems in classified or controlled environments.

Skills

AWS GovCloud C2S Red Hat CentOS Linux JBoss Docker Containers Microservices PKI OAuth STIGs RMF Cybersecurity System Hardening Configuration Management Cross-Domain Systems Virtualization

What you'll do

Administer, configure, and troubleshoot Red Hat and CentOS Linux systems in secure environments.
Deploy and manage AWS GovCloud and C2S cloud infrastructure using automation tools and virtualization technologies.
Support and maintain JBoss-based services as an AWS Cloud Systems Administrator.
Implement system hardening measures following DoD security standards, STIGs, and organizational policies.
Perform vulnerability identification and remediation to ensure compliance with RMF controls and audit requirements.
Monitor system performance and operational health to ensure the reliability of mission systems.
Resolve software, operating system, and access-related issues while following strict security procedures.
Maintain accurate configuration records and technical documentation for configuration management and inspections.

What we're looking for

Bachelor's degree and minimum 9 years of relevant experience, a graduate degree and 7 years of experience, or 13 years of experience without a degree.
Active Top Secret/SCI clearance.
DoD 8570.01-M IAT Level 2 Professional Certifications such as CCNA Security or Security+ CE.
Experience administering, configuring, and troubleshooting Red Hat and CentOS Linux systems.
Experience managing AWS GovCloud and C2S cloud infrastructure with automation tools and virtualization technologies.
Experience supporting JBoss-based services and implementing system hardening using DoD standards and STIGs.
Experience with PKI or OAuth authentication models (preferred).
Security clearance.

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