Brian Walz

Designed and implemented automated deployment pipelines using Ansible and GitLab CI/CD across air-gapped OCI government cloud zones. Administered Oracle Linux systems, provisioned infrastructure with Terraform, and participated in formal change management processes.

Managed Linux servers across AWS infrastructure, administered Confluence wiki servers, and deployed AWS services including EC2, S3, and RDS. Automated tasks using Ansible, Bash, and Python, and conducted security audits.

Diagnosed and resolved complex performance, configuration, and connectivity issues across a large hybrid Linux environment. Administered hybrid Linux infrastructure across AWS and colocation facilities using Ansible and Terraform.

Performed day-to-day administration and troubleshooting of RHEL 6/7/8 environments on VMware and AWS. Wrote and maintained Ansible playbooks and Bash/Python scripts, and managed backups, patching, and system health monitoring.

Managed TLS certificate lifecycle and administered PKI infrastructure including Red Hat Linux, Windows Server, and Red Hat Virtualization. Applied DISA STIGs and supported FISMA compliance.

Led a team of 8 engineers supporting secure Linux infrastructure design, integration, and operations. Managed Kubernetes, ELK Stack, Apache/Tomcat, Docker, IDM/FreeIPA, Kerberos/LDAP, and Puppet across STIG-hardened environments.

Deployed ServiceNow platform in a LAMP/RHEL stack with AD/LDAP integration and administered Oracle and MySQL databases on Solaris and Linux. Managed VMware virtualization and conducted STIG/SRR vulnerability scans.

Performed Oracle RAC/Exadata administration, Data Guard DR, security scanning and CAT I/II remediation, and enterprise monitoring deployment. Managed team task queues using Kanban boards.

Administered Solaris and RHEL servers in heterogeneous environments, including VMware, STIG/SRR scans, IAVA patch management, and POAM tracking.

Designed and integrated UNIX/Linux systems for RDT&E networks, including DNS, Sendmail, firewall, and network management on Solaris and RHEL.

Performed Solaris system administration, DISA hardening, LDAP, backup administration (Veritas/Legato), and DoD server support across classified and unclassified environments.

Performed Solaris system administration, DISA hardening, LDAP, backup administration (Veritas/Legato), and DoD server support across classified and unclassified environments.

Performed Solaris system administration, DISA hardening, LDAP, backup administration (Veritas/Legato), and DoD server support across classified and unclassified environments.

Performed Solaris system administration, DISA hardening, LDAP, backup administration (Veritas/Legato), and DoD server support across classified and unclassified environments.

Performed Solaris system administration, DISA hardening, LDAP, backup administration (Veritas/Legato), and DoD server support across classified and unclassified environments.

Built and managed clustered Solaris servers, high-availability Oracle environments, Citrix Metaframe integration, and load-balanced web infrastructure.

Monitored performance and security on Sun, Cray, and SGI servers in a 24/7 production environment.

Electronic Warfare Strategic Systems Repairer; trained and supervised soldiers in technical operations.

Bachelor of Science in Information Technology with a concentration in Internetworking Technology.

Training as an Electronic Warfare Strategic Systems Repairer.

Completed Red Hat System Administration III training.

Completed macOS Server & Support Essentials 10.13 training.

Completed MySQL for DBAs training.

Completed Oracle 12c Admin/Install/Upgrade training.