Linux System Engineer

Fantom Corporation•Chantilly, VA

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) platform. This role combines systems engineering, cloud operations, and Linux administration to ensure the reliability, security, and performance of enterprise services supporting a diverse customer base. The ideal candidate will have strong Linux administration experience, a solid understanding of AWS cloud services, and the ability to support both operational and engineering activities in a fast-paced environment. This position offers the opportunity to work closely with development, operations, and enterprise service teams to deliver secure and scalable solutions.

Requirements

Must possess an active Top Secret/SCI Security Clearance
Must possess an active CI polygraph
Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related discipline
4–6 years of experience as a Linux Systems Engineer, Systems Administrator, or similar technical role
Strong experience administering and supporting Linux-based systems and infrastructure
Experience with Amazon Web Services (AWS), including services such as EC2, S3, and related cloud infrastructure
Experience supporting enterprise applications and operational environments
Familiarity with systems engineering documentation, including architecture diagrams, network diagrams, and data flow documentation
Experience using Agile collaboration and development tools such as Jira, Confluence, and Bitbucket
Strong troubleshooting, analytical, and problem-solving skills
Excellent written and verbal communication skills
Ability to work independently and collaboratively within cross-functional technical teams

Nice To Haves

Experience supporting Oracle Identity and Access Management products, including Oracle Access Manager (OAM) and Oracle Unified Directory (OUD)
Experience with Kubernetes and containerized application environments
Experience with Elastic Stack technologies, including Elasticsearch, Kibana, and Logstash
Experience working with cloud-native architectures and multi-cloud environments
Understanding of AWS cost optimization and cloud resource management
Familiarity with cross-domain solutions and architectures
Experience implementing automated testing, monitoring, and operational health checks
Experience participating in Engineering Review Boards (ERBs) and Change Management processes
Knowledge of Identity and Access Management (IAM) concepts and enterprise security frameworks

Responsibilities

Design, develop, and support cloud-based solutions to meet evolving customer and mission requirements
Serve as a Linux subject matter expert (SME) supporting multiple development, test, and production environments
Monitor system health, operational metrics, and application performance to ensure high availability and reliability
Identify, troubleshoot, and resolve infrastructure and application issues while driving root cause analysis and long-term corrective actions
Collaborate with development teams to establish feedback loops and improve system stability and performance
Support software deployments, upgrades, and maintenance activities across enterprise environments
Develop automation scripts, troubleshooting playbooks, and operational procedures to improve efficiency and reduce manual effort
Work with enterprise service providers to ensure compliance with security requirements, policies, and standards
Participate in change management activities, engineering reviews, and operational readiness assessments
Create and maintain technical documentation including architecture diagrams, data flows, procedures, and operational guides
Support capacity planning, performance tuning, and infrastructure optimization initiatives
Collaborate within Agile development teams using modern project management and collaboration tools