Jobs / Visual Soft, Inc
Linux System Administrator -Senior - Active TS is a MUST (ONSITE - 100%)
Visual Soft, Inc · Huntsville, AL, United States
Huntsville, AL, United StatesFull timeExp: 8+ yrsOnsite
Remuneration
Not specified
Location
Huntsville, AL, United States
Visa sponsorship
Not specified
Job summary
Visual Soft, Inc is seeking a Senior Linux System Administrator with expertise in AWS cloud environments to support mission-critical systems within a classified defense program. This role involves administering and maintaining Linux servers, designing and implementing AWS infrastructure, and automating tasks in a 100% onsite capacity in Huntsville, AL.
Benefits
Paid time offSick leaveFloating holidaysPublic holidaysHealth insuranceDental insuranceShort-term disabilityLong-term disabilityLife insurance401k programProfit sharing
Qualifications
- Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field.
- Minimum 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.
- Familiarity with container technologies (Docker, Kubernetes, ECS/EKS).
- Experience with AWS GovCloud or classified AWS regions.
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 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.
Skills
AnsibleAWSCentOSCloudFormationCloudWatchDockerEBSECSEFSEKSGitLabGitLab CIGrafanaIAMJenkinsKubernetesLinuxPrometheusRHELS3SplunkTerraformUbuntu
Certifications
AWS Certified SysOps AdministratorSolutions ArchitectRed Hat Certified Engineer (RHCE)Security+CISSPDoD 8570 certification
Degrees
Bachelor’s Degree in Computer ScienceBachelor’s Degree in Information SystemsBachelor’s Degree in Engineering
Industry
Defense
Security clearance
Active Top Secret Clearance
Relocation
No