Jr Linux Engineer

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 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

Fantom Corp is a Software Development, Agile Cloud, Software Development, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.