Senior Linux Security Engineer - DoD Secret Clearance

RTX; Woburn (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Job summary

RTX, a leading aerospace and defense company, seeks a skilled Linux Systems Engineer to design, deploy, and maintain RHEL-based infrastructures. The role emphasizes OS hardening, security controls, and automation using Ansible or similar tools.

The position requires a bachelor’s in a related field and 5 years of experience, with the ability to obtain an Interim Secret clearance. Onsite work in the US with comprehensive benefits is provided.

Qualifications

• Bachelor’s degree in CS/CE/EE/SE and 5 years of experience
• Hands-on experience with RHEL administration
• Experience with OS hardening, security baselines, and compliance (STIGs, CIS Benchmarks)
• Ability to obtain Interim Secret U.S. security clearance; U.S. citizenship required

Responsibilities

• Design, deploy, and maintain RHEL-based systems in production and development environments.
• Implement OS hardening standards and security controls across Linux systems.
• Develop and maintain automated configuration workflows using Ansible or other IaC/CM tools.
• Write and maintain scripts to support system configuration, monitoring, and operational tasks.
• Apply systems engineering principles to requirements analysis, design documentation, verification, and lifecycle support.
• Troubleshoot complex issues across Linux/Windows hosts, networks, infrastructure services, and applications.
• Collaborate with cross-functional engineering teams to ensure system reliability, security, and scalability.
• Participate in technical reviews, architecture discussions, and design planning.

Skills

Bash scripting

Python scripting

Systems engineering thinking

Education

Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or Software Engineering

Tools

Ansible

Puppet

Chef

SaltStack

KVM

VMware

Docker

Podman

Job description

RTX, a leading aerospace and defense company, seeks a skilled Linux Systems Engineer to design, deploy, and maintain RHEL-based infrastructures. The role emphasizes OS hardening, security controls, and automation using Ansible or similar tools.

The position requires a bachelor’s in a related field and 5 years of experience, with the ability to obtain an Interim Secret clearance. Onsite work in the US with comprehensive benefits is provided.