Posted 28 days ago

Jr Linux Engineer

Chantilly, VAOn-site

AI Summary

Linux Systems Engineer supporting a mission-critical enterprise IAM environment, providing lifecycle systems engineering and operational support across Linux and AWS infrastructure.

About this role

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.

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

Required Qualifications

Must posses 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

Desired Qualifications

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

#CJ

Skills

AgileAutomated TestingAWS (EC2AWS S3Bash ScriptingBitbucketCAC AuthenticationChange ManagementConfluenceElasticsearchEngineering Review BoardsIdentity FederationJiraKerberosKibanaKubernetesLDAPLinux Systems AdministrationLogstashMonitoringNetwork Troubleshooting OSI Layers 4-7OAuthOIDCOracle Access ManagerOracle Unified DirectoryOracle WebLogicPython ScriptingSAMLSecuritySingle Sign-OnSmart-card Authentication

Jr Linux Engineer

About this role

Responsibilities

Required Qualifications

Desired Qualifications

Skills

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