Jr Linux Engineer

Fantom Corporation • Chantilly, VA

3d

About The Position

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a Linux Systems Engineer to support a mission-critical enterprise Identity and Access Management (IAM) environment. This position provides lifecycle systems engineering and operational support across Linux and AWS infrastructure while troubleshooting complex system, network, and access-related issues. The ideal candidate will have a strong Linux background, hands-on AWS experience, and the ability to work across development, operations, and customer-facing technical teams.

Requirements

• Must possess an active Top Secret Clearance
• Must be willing and able to obtain a polygraph
• Bachelor’s degree with 2–4 years of relevant experience, or Master’s degree with less than 2 years of relevant experience
• Strong Linux systems administration and infrastructure management experience
• Two (2) or more years of AWS experience, including services such as EC2 and S3
• Experience troubleshooting network issues across OSI Layers 4–7
• Familiarity with systems engineering documentation, including network diagrams and data flows
• Experience with Agile collaboration tools such as Jira, Confluence, and Bitbucket
• Strong troubleshooting, communication, and problem-solving skills
• Current Security+ certification prior to start

Nice To Haves

• Experience with identity federation, Single Sign-On (SSO), SAML, OIDC, OAuth, Kerberos, and CAC/smart card authentication
• Experience with Oracle Access Manager, Oracle Unified Directory, Oracle WebLogic, or similar enterprise products
• Experience with Kubernetes
• Bash and Python scripting experience
• Experience with LDAP
• Experience with Elasticsearch, Logstash, and Kibana (ELK)
• Experience with AWS and cloud-based architectures
• Familiarity with cross-domain architectures
• Experience with automated testing and monitoring
• Experience supporting Engineering Review Boards and Change Management processes

Responsibilities

• Provide technical support for Tier II personnel and resolve customer-facing system and access issues
• Perform root cause analysis (RCA), troubleshoot operational issues, and implement mitigation strategies
• Monitor system health, user metrics, performance, and operational availability
• Develop scripts and playbook-based automation to support recurring operational tasks
• Manage and maintain COTS and GOTS software across multiple environments
• Partner with enterprise services teams to maintain security and application compliance
• Troubleshoot network and identity/access issues across complex environments
• Analyze system workflows and identify performance bottlenecks and opportunities for improvement
• Document technical findings and communicate issues and resolutions to development and operational teams

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level