This position is no longer accepting applications(closed Jul 22, 2026).
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 is responsible for maintaining secure, highly available Linux environments while supporting operations, troubleshooting complex technical issues, and improving system performance across enterprise infrastructure.
The ideal candidate has a strong background in Linux systems administration, AWS cloud technologies, and enterprise infrastructure management. This position works closely with development teams, Enterprise Services, and external stakeholders to ensure reliable, secure, and scalable identity and access management services.
Responsibilities
Provide Tier II support by troubleshooting and resolving complex customer-facing technical issues
Perform root cause analysis (RCA) for operational incidents and implement corrective actions to improve system reliability
Collaborate with development teams to establish feedback loops that improve application stability and operational performance
Monitor system health, user metrics, and infrastructure performance while implementing proactive measures to maximize availability
Develop automation scripts and operational playbooks using Bash, Python, or similar scripting languages
Install, configure, administer, and maintain Commercial Off-the-Shelf (COTS) and Government Off-the-Shelf (GOTS) software across multiple environments
Work closely with Enterprise Services to ensure compliance with enterprise security standards and operational requirements
Interface directly with customers and technical teams to diagnose and resolve authentication, authorization, and access-related issues
Analyze complex system workflows and identify opportunities to optimize performance, scalability, and operational efficiency
Create and maintain system engineering documentation, including architecture diagrams, network diagrams, and data flow documentation
Participate in Engineering Review Boards (ERBs), change management activities, and operational readiness reviews
Support cloud infrastructure and enterprise Identity and Access Management (IAM) services across development, test, and production environments
Required Qualifications
Must posses an active Top Secret/SCI Security Clearance
Must be willing and able to obtain a polygraph
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical discipline
4–6 years of experience as a Linux Systems Engineer, Systems Administrator, or similar technical role
Strong Linux systems administration experience
Experience supporting Amazon Web Services (AWS), including EC2, S3, Reserved Instances, and related cloud services
Experience troubleshooting network-related issues across OSI Layers 4–7
Experience creating and maintaining systems engineering documentation, including network diagrams and data flows
Experience using Agile collaboration tools such as Jira, Confluence, and Bitbucket
Strong understanding of Linux infrastructure management best practices
Excellent troubleshooting, analytical, and problem-solving skills
Strong written and verbal communication skills with the ability to collaborate across technical and non-technical teams
Self-motivated with the ability to work independently in a fast-paced environment
Desired Qualifications
Experience with Identity Federation, Single Sign-On (SSO), and authentication technologies including SAML, OAuth, OIDC, Kerberos, and Common Access Cards (CAC)
Experience with Oracle Identity and Access Management products, including Oracle Access Manager (OAM), Oracle Unified Directory (OUD), and Oracle WebLogic
Experience with Kubernetes and containerized environments
Experience with Bash, Python, or other scripting languages
Experience with LDAP directory services
Experience with the Elastic Stack (Elasticsearch, Logstash, Kibana)
Experience supporting AWS cloud-native and hybrid cloud architectures
Familiarity with cross-domain architectures and secure enterprise environments
Experience implementing automated testing, monitoring, and operational health checks
Experience participating in Engineering Review Boards (ERBs) 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.