Note: The job is a remote job and is open to candidates in USA. Technatomy Corporation is dedicated to delivering innovative solutions for Federal healthcare systems. The System Administrator role involves maintaining system uptime, supporting Linux system administration, and coordinating with various teams to ensure reliable production environments.
Responsibilities
- Coordinate with hosting, database, application server, and account management teams to maintain system uptime, readiness, and operational availability
- Troubleshoot performance issues, unplanned outages, deployment issues, and environment configuration problems across production and non-production systems
- Maintain Linux operating system security posture, including OS/software patching, vulnerability remediation, and support for Nessus findings
- Deploy, configure, and upgrade JEE application components in Oracle WebLogic environments, including EAR deployments and release validation
- Support VA VistALink configuration, deployment, and troubleshooting for applications that integrate with VistA or related enterprise systems
- Create, maintain, and modify Linux shell scripts used for deployment automation, code promotion, and operational support activities
- Install, configure, support, and tune Pentaho Data Integration (Kettle) components, jobs, and deployment scripts
- Support and troubleshoot SOA integrations, REST service calls, XML data exchanges, and two-way HTTPS/PKI communication issues
- Coordinate with Oracle DBAs on database performance issues, schema or database object changes, permissions updates, and software deployment impacts
- Support Apache HTTP Server reverse proxy configurations with Oracle WebLogic and front-end authentication integrations
- Coordinate connectivity troubleshooting and monitoring activities across internal teams, hosting teams, network operations, and external partner organizations
- Create and maintain Deployment/Installation Guides, Troubleshooting Guides, Backup and Recovery procedures, release notes, and operational support documentation
Skills
- 5+ years of system administration, application operations, or enterprise infrastructure support experience
- Experience administering and troubleshooting Linux operating systems in enterprise application environments
- Experience maintaining OS security posture, supporting vulnerability remediation, applying patches, and addressing Nessus or similar scan findings
- Experience deploying, configuring, or supporting JEE applications in Oracle WebLogic or comparable application server environments
- Experience writing, maintaining, or troubleshooting Linux shell scripts used for deployments, code promotions, or operational automation
- Experience troubleshooting application performance, outages, environment issues, network connectivity, and deployment-related defects
- Experience coordinating with database administrators on Oracle database performance, schema, object, permissions, or deployment issues
- Understanding of secure service integrations, including REST, SOA, XML-based data exchange, HTTPS, PKI, or related authentication mechanisms
- Ability to create clear technical documentation, including deployment, installation, troubleshooting, backup, and recovery procedures
- Strong analytical, problem-solving, communication, and cross-team coordination skills
- Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline, or equivalent experience
- Must be able to obtain and maintain a Public Trust clearance
- This position requires U.S. citizenship or Green Card
- Experience working with Federal agencies, particularly the Department of Veterans Affairs, is a plus
- Experience supporting VA application hosting or data center environments, including coordination with AITC, network operations, or similar infrastructure teams
- Experience with Pentaho Data Integration (Kettle), including installation, configuration, job support, deployment scripting, or performance tuning
- Experience deploying, configuring, or troubleshooting VA VistALink and VistA-integrated application components
- Experience with Apache HTTP Server as a reverse proxy for Oracle WebLogic or similar application server platforms
- Familiarity with Microsoft Entra, VA IAM, PIV, PKI, or other enterprise authentication and identity management integrations
- Experience supporting release readiness, rollback/backout planning, production deployment validation, and post-release troubleshooting
- Familiarity with Git/GitHub, Agile/Scrum practices, issue tracking, and collaborative software delivery processes
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