Senior Specialist, Systems Administrator (Cyber Infrastructure Systems)

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

Job Title: Senior Specialist, System Administrator (Cyber Infrastructure Systems)

Job Code: 42010

Job Location: Melbounre, FL or Rochester, NY

Job Schedule: Standard 5/8

Job Description

We are seeking a skilled and experienced Cyber Infrastrastructure Systems Engineer (CISE) to join our team. The ideal candidate will have system administration expertise in Amazon Web Service (AWS) core services, managing and optimizing Linux systems, as well as infrastructure automation. This role requires a hands‑on professional with a robust understanding of security and risk management, and system monitoring. The candidate must have a proven track record of designing and implementing solutions that comply with security policies, maintaining a secure and resilient IT environment.

Essential Functions

• Administer, support, and optimize cloud‑based infrastructure within Amazon Web Services (AWS), including services such as:
• EC2
• S3
• IAM
• VPC
• RDS
• CloudWatch
• Lambda
• Configure, monitor, maintain, and troubleshoot Red Hat Linux systems.
• Implement and manage Infrastructure as Code (IaC) and configuration management using tools such as:
• CloudFormation
• Terraform
• Ansible
• Installation of monitoring agents, STIGing, and Hardening AWS AMIs
• Monitor system performance and resource usage, identify potential problems, and implement solutions to maintain system resilience and security.

Qualifications

• Bachelor’s Degree with a minimum of 6 years of relevant experience, or Graduate Degree with a minimum of 4 years of relevant experience, or in lieu of a degree, a minimum of 10 years of prior related experience.
• Clearance: Top Secret/Sensitive Compartmented Information (TS/SCI) with Counter‑Intelligence Polygraph (CI Poly)
• DoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA‑Security, Security+ CE, or higher certification

Preferred Additional Skills

• Experience working with continuous integration, build management, and automated test frameworks.
• Experience utilizing virtualization technologies and backup solutions.
• Experience in a dynamic, fast‑paced, team‑oriented environment.

Salary & Benefits

In compliance with pay transparency requirements, the salary range for this role in New York state is $92,500-$171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location.

L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company‑paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

Equal Opportunity Employer

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks, where permitted by law.

Security Clearance

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

Background Checks

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

E‑Verify

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