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

Job 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.

Required Skills And 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 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

• 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).
• Any unused PTO will be issued as a check at the end of an employee's anniversary with us.
• We also provide 2 floating and 8 public holidays.
• Floating and holidays expire at the end of every year of service of an employee.
• Company will cover 50% of health and dental insurances only for all full time employees, however, dependents can be added at extra cost.
• 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 cover 50% for the employee's health and dental insurances.
• We provide STD, LTD and one time salary equivalent of life insurance at NO cost to all full time employees.
• All full time employees or w-2 employees with no benefits will be eligible to participate in 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.