4421 Linux Engineer with Security Clearance

OVERVIEW: We are seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements. GENERAL DUTIES: * Provide support to Tier II personnel in resolving customer-facing issues. * Perform root cause analysis (RCA) and mitigation for operational issues. * Communicate findings with interested parties and establish a feedback loop to development. * Work as a subject matter expert (SME) to review user metrics, system health, overall performance checkouts, and implement proactive measures to support operational availability. * Develop scripts to accomplish operational tasks, and utilize playbook-based automation processes, as necessary. * Manage Commercial-Off-The-Shelf (COTS) and Government-Off-The-Shelf (GOTS) software products in several environments. * Work with Enterprise Services to ensure compliance with security services and applications. * Interface with customers and outside technical teams to diagnose and mitigate access issues. * Utilize abstract visualization skills to understand system workflows and identify bottlenecks. REQUIRED QUALIFICATIONS: * Bachelor's degree in computer science or related discipline plus 4-6 years of professional experience as a Systems Administrator or similar technical role. * Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills. * Two or more years of experience with Amazon Web Services (S3 Buckets, EC2, Reserved Instances, etc.) * Experience troubleshooting network-related issues (Open Systems Interconnection (OSI) model levels 4-7) * Familiar with System Engineering documentation creation (network diagrams, data flows, etc.) * Experience working with Agile Team Collaboration tools such as (Jira, Confluence, BitBucket) * Strong Linux background and familiarity with best practices of infrastructure management DESIRED QUALIFICATIONS: * Familiarity with Identity Federation, Single Sign-On, and authorization technologies (e.g. smart cards/Common Access Cards (CACs), SAML, OIDC, OAuth, Kerberos) * Experience with Oracle COTS product experience (Oracle Access Manager, Oracle Unified Directory, Oracle WebLogic, etc.) * Experience with Kubernetes * Experience with scripting languages, such as Bash and Python * Experience with LDAP (in lieu of Oracle Unified Directory experience) * Experience with ElasticSearch, Logstash, Kibana (ELK tools) * Experience with AWS and other cloud-based architectures * Familiar with cross domain architectures at various levels * Experience with automated testing and monitoring * Experience with Engineering Review Boards and Change Management CLEARANCE: * Active Top Secret clearance minimum required