Senior Linux & AWS SysAdmin — Onsite TS/DoD Ready

VISUAL SOFT, INC; Huntsville, Northern (AL, KY); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

3 weeks PTO + 2 floating holidays + 8U

Job summary

Visual Soft, Inc. seeks a Senior Linux System Administrator to manage mission-critical systems onsite in Huntsville, AL. The role emphasizes AWS cloud operations, security hardening to DoD standards, and automation using IaC tools.

The ideal candidate holds an active TS clearance, 8+ years of Linux experience, and strong collaboration across DevOps and cybersecurity teams in an Agile environment.

Qualifications

• 8+ years of hands-on Linux system administration experience.
• Experience with AWS cloud infrastructure (VPC, EC2, S3, IAM, CloudFormation).
• Knowledge of DISA STIG, RMF security controls, and DoD standards.
• Proficient in automation using Ansible, Terraform, or CloudFormation.
• Strong problem-solving, documentation, and communication skills.

Responsibilities

• Administer and maintain Linux servers (RHEL/CentOS/Ubuntu) in classified environments.
• Design and maintain AWS infrastructure components (VPC, EC2, S3, IAM, RDS).
• Automate provisioning and deployments; support CI/CD pipelines.
• Monitor performance, perform root-cause analysis, and tune systems.
• Ensure security hardening and compliance with DISA RMF and STIG.
• Collaborate with cybersecurity teams and development/QA in Agile sprints.

Skills

Linux system administration

AWS cloud

CI/CD expertise

Security hardening

Troubleshooting

Documentation

Communication

Education

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

Tools

Jenkins

GitLab CI/CD

AWS CloudFormation

Terraform

Ansible

CloudWatch

Puppet/Chef (optional)

Job description

Visual Soft, Inc. seeks a Senior Linux System Administrator to manage mission-critical systems onsite in Huntsville, AL. The role emphasizes AWS cloud operations, security hardening to DoD standards, and automation using IaC tools.

The ideal candidate holds an active TS clearance, 8+ years of Linux experience, and strong collaboration across DevOps and cybersecurity teams in an Agile environment.