Cyber Infrastructure Engineer - TS/SCI, AWS GovCloud

L3Harris Technologies; Melbourne (FL); On-site; USD 140,000 - 180,000; Full time

Job summary

L3Harris Technologies seeks a Cyber Infrastructure Systems Engineer in Melbourne, FL to design, deploy, and sustain mission systems running in secure environments. The role emphasizes Linux administration, cloud infrastructure, and automation within AWS GovCloud and C2S, with a focus on security and RMF compliance.

The candidate will collaborate with cybersecurity, network, and program teams to support accreditation activities and ensure secure operations, including travel toPatrick SFB as

Qualifications

• Bachelors degree with 4+ years relevant experience (or Graduate Degree with 2+ years) or in lieu of a degree, a minimum of 8 years of prior related experience.
• Active Top Secret/SCI clearance required.
• DoD 8570.01-M IAT Level 2 required certifications: CCNA-Security or Security+ CE or higher.

Responsibilities

• Administer, configure, monitor, and troubleshoot Red Hat/CentOS Linux systems in secure, mission-focused environments.
• Deploy and manage AWS GovCloud/C2S cloud infrastructure with automation tools and virtualization technologies.
• Operate as an AWS Cloud Systems Administrator with experience supporting and maintaining JBoss-based services.
• Implement and sustain system hardening measures using DoD standards, STIGs, and cybersecurity policies.
• Perform vulnerability identification and remediation to support RMF controls, POA&M tracking, and audit readiness.
• Monitor system performance, availability, and operational health to ensure reliability in mission systems.
• Coordinate with cybersecurity, network, and program teams to support accreditation and secure operations in classified environments.

Skills

TS/SCI Clearance

Red Hat/CentOS Linux

AWS GovCloud

DoD STIGs

RMF & POA&M

Automation / Scripting

JBoss

Security+ CE / CCNA-Security

Education

Bachelor’s Degree

Graduate Degree

Alternative Experience (8+ years)

Tools

Docker

Job description

L3Harris Technologies seeks a Cyber Infrastructure Systems Engineer in Melbourne, FL to design, deploy, and sustain mission systems running in secure environments. The role emphasizes Linux administration, cloud infrastructure, and automation within AWS GovCloud and C2S, with a focus on security and RMF compliance.

The candidate will collaborate with cybersecurity, network, and program teams to support accreditation activities and ensure secure operations, including travel toPatrick SFB as