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Visualsoft | Shopify Plus Partner | Full Service Agency · 19 hours ago

Linux System Administrator -Senior - Active TS is a MUST (ONSITE - 100%)

Huntsville, AL

Full-time

Onsite

Senior Level, Lead/Staff

8+ years exp

Visual Soft, Inc is seeking a qualified candidate for the role of Senior Linux System Administrator to support mission-critical systems within a classified defense program for a federal agency. The ideal candidate will have expertise in AWS cloud environments and experience in managing Linux servers, implementing automation, and ensuring compliance with DoD security standards.

E-CommerceSoftwareWeb Design

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

Linux system administrationAWS cloud infrastructureAutomation toolsNetworking conceptsSecurity hardeningCI/CD toolsContainer technologiesMonitoring toolsCertificationsProblem-solving skillsDocumentation skillsCommunication skills

Required

Active Top Secret Clearance (U.S. Citizenship Required)

Bachelor's Degree (B.S.) in Computer Science, Information Systems, or related field

Minimum 8+ years of hands-on Linux system administration and cloud operations experience

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

Preferred

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

Exposure to monitoring tools (Splunk, Prometheus, Grafana, Nagios)

Benefits

3 weeks of Paid time off (PTO that includes sick leave).

2 floating and 8 public holidays.

Company will cover 50% of health and dental insurances only for all full time employees.

Employee's health and dental coverage becomes effective after 30 days or first of the month after an employee completes initial 30 working days.

We provide STD, LTD and one time salary equivalent of life insurance at NO cost to all full time employees.

Company's 401k program after 90 days of employment with a company match of 4%, immediate vesting.

All w-2 employees are eligible to be part of company's profit sharing, no employee contributions required.

Company

Visualsoft | Shopify Plus Partner | Full Service Agency

For over 25 years, Visualsoft has helped high street and multi-site brands bring their in-store and online worlds together, creating seamless experiences that drive loyalty, efficiency, and growth.

Founded in 1998

Stockton-on-tees, Stockton-on-Tees, GBR

201-500 employees