> Markdown version of [/jobs/ext/1051064-linux-system-administrator-senior-active-ts-is-required-onsite-100](https://www.wearedevelopers.com/jobs/ext/1051064-linux-system-administrator-senior-active-ts-is-required-onsite-100). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux System Administrator -Senior - Active TS is required (ONSITE - 100%) - **Company:** VISUAL SOFT, INC - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Ubuntu (Operating System), CentOS, Cloud Computing, Cloud Computing Security, Cloud Engineering, Information Systems, Computer Networks, Continuous Integration, Linux, Domain Name System (DNS), Monitoring of Systems, Identity and Access Management, Linux System Administration, Linux Servers, Performance Tuning, Scrum Methodology, Red Hat Enterprise Linux, Ansible, TCP/IP, Load Balancing, Delivery Pipeline, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Cloudformation, Amazon Relational Database Service, Containerization, Gitlab-ci, Kubernetes, Information Technology, Deployment Automation, CIS Benchmarks, Cloudwatch, Terraform, Virtual Private Clouds, Devsecops, Docker, Jenkins, User Accounts - **Published:** June 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=15d9496aec96a577 ## About the Role Do you have experience in Virtual Private Clouds?, Education: Bachelor's Degree (B.S.) in Computer Science, Information Systems, or related field Experience: Minimum 8+ years of hands-on Linux system administration and cloud operations experience, 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 experience managing cloud infrastructure in AWS (VPC, EC2, EBS, S3, IAM, CloudFormation, CloudWatch). Proficiency in troubleshooting networking concepts (TCP/IP, DNS, firewalls, load balancers). Familiarity with CI/CD tools (Jenkins, GitLab CI/CD, AWS CodePipeline). Working knowledge of security hardening (STIGs, CIS benchmarks) and RMF controls. Excellent problem-solving, documentation, and communication skills. Desired Certifications such as: Familiarity with container technologies (Docker, Kubernetes, ECS/EKS). Experience with AWS GovCloud or classified AWS regions. AWS Certified SysOps Administrator or Solutions Architect Red Hat Certified Engineer (RHCE) Security+, CISSP, or equivalent DoD 8570 certification. ## Description We are seeking an experienced Senior Linux System Administrator with proven expertise in AWS cloud environments to support mission-critical systems within a classified defense program. This position is fully onsite in Huntsville, AL, supporting a federal intel agency The ideal candidate has deep experience managing Red Hat Enterprise Linux (RHEL) or similar distributions, implementing automation and infrastructure-as-code solutions, and maintaining high-availability, secure cloud environments in compliance with DoD security standards., 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 tasks using Ansible, Terraform, or CloudFormation. Monitor system performance, conduct root-cause analysis, and implement performance tuning. Patch and harden Linux systems to meet DISA STIG and RMF compliance requirements. Manage user accounts, permissions, and security policies in accordance with DoD standards. Support and integrate CI/CD pipelines and DevSecOps practices. Collaborate with cybersecurity teams to ensure continuous monitoring and incident response. Participate in Agile/Scrum sprints, providing infrastructure support to development and QA teams. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025)