Linux Systems Engineer (IAM & AWS) — TS Clearance

Fantom Corp; Chantilly (VA); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Fantom Corporation seeks a Linux Systems Engineer to support a mission-critical IAM environment. You will manage Linux and AWS infrastructure, troubleshoot access issues, and contribute to security and compliance across multiple environments.

The ideal candidate has strong Linux administration, hands-on AWS experience, and can collaborate across development, operations, and customer-facing teams. A TS clearance is required, with polygraph eligibility.

Qualifications

• Bachelor’s degree with 2–4 years relevant experience or Master’s with less than 2 years.
• Strong Linux systems administration and infrastructure management experience.
• Two or more years of AWS experience (EC2, S3).
• Active Top Secret clearance and ability to obtain a polygraph.
• Current Security+ certification prior to start.

Responsibilities

• Provide Tier II technical support and resolve customer-facing system and access issues.
• Perform root cause analysis and implement mitigation strategies.
• Monitor system health, metrics, and operational availability.
• Develop scripts and automation to support recurring tasks.
• Maintain COTS and GOTS software across environments.
• Collaborate with enterprise services to ensure security and compliance.
• Troubleshoot network and identity/access issues across complex environments.
• Document findings and communicate resolutions to teams.

Skills

Linux administration

AWS cloud

Troubleshooting

Communication

Scripting

Education

Bachelor’s degree + 2–4 years

Master’s degree + <2 years

Tools

Jira

Confluence

Bitbucket

Job description

Fantom Corporation seeks a Linux Systems Engineer to support a mission-critical IAM environment. You will manage Linux and AWS infrastructure, troubleshoot access issues, and contribute to security and compliance across multiple environments.

The ideal candidate has strong Linux administration, hands-on AWS experience, and can collaborate across development, operations, and customer-facing teams. A TS clearance is required, with polygraph eligibility.