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Administer and optimize enterprise Linux systems, manage IBM storage and Veritas NetBackup, perform patching via YUM, run Nessus scans and remediate findings, implement system hardening and security frameworks, support backups, capacity planning, and incident response while maintaining documentation and compliance.

Manage, maintain, and optimize enterprise Linux (RHEL/CentOS) infrastructure and VMware virtualization supporting high-availability mission systems. Administer middleware (JBoss), perform patching/upgrades, troubleshoot OS/middleware/virtualization issues, implement automation, support security/compliance, develop operational documentation, and provide 24x7/after-hours support in a secure production environment.

Administer, configure, develop, and optimize enterprise ServiceNow environments in a secure hybrid cloud. Build workflows, integrations, dashboards, and automation; perform compliance and system testing; monitor platform health; create technical documentation; collaborate with stakeholders in Agile teams; and mentor junior staff to improve operational efficiency and user experience.

Support, secure, and optimize enterprise Linux environments across multiple networks and hybrid cloud. Perform patching, monitoring, troubleshooting, automation (Bash/Python/Puppet/Ansible), and AWS support. Mentor junior staff, document procedures, and contribute to scalable infrastructure design for mission-critical programs requiring active TS/SCI with Polygraph.

Design, build, and maintain cloud-native infrastructure and CI/CD pipelines; architect scalable, secure AWS solutions; implement monitoring, logging, and DevSecOps practices; maintain full-stack applications and compliance (ATO, NIST/FedRAMP); mentor team members and participate in SCIF operations and on-call support.

Design and implement enterprise-scale AWS cloud infrastructure and serverless microservices. Build and optimize large-scale data engineering pipelines, lead full-stack development in Python and JavaScript/TypeScript, and drive architecture, code quality, and performance across distributed systems.

Administer and support enterprise Oracle 19c databases in Data Guard configurations (1 primary, 2 standbys). Manage Data Guard Broker and FSFO across distributed multi-standby environments, perform routine and emergency RU/CPU patching, monitor with OEM, execute switchover/failover, maintain RMAN backup/recovery and Flashback, perform Linux administration and shell scripting, support RAC deployments, and perform performance tuning (AWR/ASH).

Provide Linux system administration and engineering support in a high-assurance mission environment. Maintain CentOS/RHEL systems, install/configure JBoss/Wildfly, manage VMware VMs, and support security/compliance, storage, networking and authentication. Work onsite in an Oracle SCIF in Columbia, MD with evening duty and 12-hour weekend shifts as needed. Must hold current TS/SCI with Polygraph.

Administer and support Oracle 19c enterprise databases in a Data Guard configuration (1 primary, 2 standbys) using Data Guard Broker and FSFO. Perform routine and emergency RU/CPU patching, monitor with OEM, execute switchover/failover, manage RMAN backups, FRA and Flashback, troubleshoot Data Guard issues, support Linux-based environments with shell scripting, handle multi-site observers, and perform performance tuning using AWR/ASH.

Lead cloud change management and enablement: develop onboarding resources, training, documentation, workshops, and metrics; drive cultural transformation and stakeholder engagement; maintain Confluence/SiteWorks sites; liaise with cloud providers to support adoption and best practices.