Senior Cloud & Systems Engineer – AWS, Linux & Security

L3Harris Technologies; Melbourne (FL); On-site; USD 93,000 - 172,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Education assistance

Parental leave

Paid time off

Job summary

L3Harris Technologies is seeking a Senior Specialist, System Administrator (Cyber Infrastructure Systems) to join our team in Melbourne, FL or Rochester, NY. The role emphasizes AWS cloud administration, Linux system management, and infrastructure automation in a security‑driven environment.

The ideal candidate will implement IaC with CloudFormation, Terraform, and Ansible, monitor systems with CloudWatch, and harden AWS AMIs while ensuring ongoing security compliance.

Qualifications

• Bachelor’s degree with 6+ years of relevant experience or graduate degree with 4+ years, or 10+ years equivalent experience.
• Top Secret/Sensitive Compartmented Information (TS/SCI) with CI Poly required.
• DoD 8570.01-M IAT Level 2 professional certifications: CCNA-Security, Security+ CE, or higher.

Responsibilities

• Administer, support, and optimize AWS cloud infrastructure (EC2, S3, IAM, VPC, RDS, CloudWatch, Lambda).
• Configure, monitor, maintain, and troubleshoot Red Hat Linux systems.
• Implement IaC and configuration management with CloudFormation, Terraform, and Ansible.
• Install monitoring agents, perform STIGing, and harden AWS AMIs.
• Monitor performance, identify issues, and maintain security and resilience.

Education

Bachelor's degree with 6+ years or Graduate degree with 4+ years or 10+ years experience in lieu

Tools

AWS core services

Linux administration

CloudFormation

Terraform

Ansible

CloudWatch

RDS

VPC

Job description

L3Harris Technologies is seeking a Senior Specialist, System Administrator (Cyber Infrastructure Systems) to join our team in Melbourne, FL or Rochester, NY. The role emphasizes AWS cloud administration, Linux system management, and infrastructure automation in a security‑driven environment.

The ideal candidate will implement IaC with CloudFormation, Terraform, and Ansible, monitor systems with CloudWatch, and harden AWS AMIs while ensuring ongoing security compliance.