Senior Linux & AWS Cloud Administrator – TS Clearance

VISUAL SOFT, INC; Huntsville (AL); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

PTO + Sick Leave

Floating holidays

Health & dental coverage (employee)

401k with match

Profit sharing

Job summary

Visual Soft, Inc in Huntsville, AL is seeking a Senior Linux System Administrator (AWS) with an Active TS clearance to support a federal defense program onsite.

The role requires 8+ years of Linux administration (RHEL/CentOS/Ubuntu) and strong AWS experience, with IaC using Ansible, Terraform or CloudFormation. You will ensure secure, highly available cloud environments aligned with DoD standards and collaborate with cybersecurity and DevSecOps teams.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field.
• 8+ years of hands-on Linux system administration experience (RHEL, CentOS, Ubuntu).
• Proven AWS cloud infra experience (VPC, EC2, EBS, S3, IAM, CloudFormation, CloudWatch).
• Strong troubleshooting of networking concepts (TCP/IP, DNS, firewalls, load balancers).
• CI/CD tooling experience (Jenkins, GitLab CI/CD, AWS CodePipeline).
• Security hardening knowledge (STIGs, CIS benchmarks) and RMF controls.
• Excellent problem-solving, documentation, and communication skills.

Responsibilities

• Administer and maintain Linux servers (RHEL, CentOS, Ubuntu) in classified and unclassified environments.
• Design, implement, and maintain AWS infrastructure (VPC, EC2, S3, CloudWatch, IAM, RDS, EFS).
• Automate provisioning, configuration, and deployment with Ansible, Terraform, or CloudFormation.
• Monitor system performance and conduct root-cause analysis and tuning.
• Patch and harden Linux systems to meet DISA STIG and RMF compliance.
• Manage user accounts, permissions, and security policies per DoD standards.
• Support and integrate CI/CD pipelines and DevSecOps practices.
• Collaborate with cybersecurity teams for continuous monitoring and incident response.
• Participate in Agile/Scrum sprints, providing infra support to dev and QA teams.

Skills

Problem solving

Documentation

Communication

Education

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field

Tools

Jenkins

GitLab CI/CD

AWS CodePipeline

Terraform

Ansible

CloudFormation

Job description

Visual Soft, Inc in Huntsville, AL is seeking a Senior Linux System Administrator (AWS) with an Active TS clearance to support a federal defense program onsite.

The role requires 8+ years of Linux administration (RHEL/CentOS/Ubuntu) and strong AWS experience, with IaC using Ansible, Terraform or CloudFormation. You will ensure secure, highly available cloud environments aligned with DoD standards and collaborate with cybersecurity and DevSecOps teams.