Find & Apply For Computer Systems Engineer / Architect Jobs in Taylor, Texas

Job Summary Hands-on senior PostgreSQL contractor responsible for establishing enterprise database architecture, operational standards, HA/DR, backup/recovery, monitoring, performance, security, automation, lifecycle management, and knowledge transfer. Key Responsibilities Assess and remediate enterprise PostgreSQL environments across DEV, TEST, PROD, and DR. Design and implement PostgreSQL reference architectures and standardized database builds. Engineer and test HA using streaming replication, Patroni or equivalent, DCS quorum, HAProxy/service endpoints, PgBouncer, fencing, and failover/failback. Implement pgBackRest or equivalent enterprise backup, WAL archiving, PITR, retention, encryption, and automated restore validation. Design and test DR architectures, promotion/failback procedures, and RPO/RTO controls. Implement monitoring and alerting for PostgreSQL, replication, WAL, autovacuum/XID, queries, locks, storage, backup, HA/DCS, DR, OS, and capacity. Diagnose and tune SQL, execution plans, indexes, vacuum/bloat, memory, checkpoints, WAL, I/O, and concurrency. Establish security/IAM, TLS, pg_hba, role/privilege, secrets, logging, pgAudit, and SIEM integration standards. Lead minor patching and major-version upgrade planning/execution, including EOL remediation. Automate builds and operations with Git, Ansible, Terraform, Python/shell, and CI/CD. Create runbooks, architecture diagrams, standards, operational procedures, and conduct knowledge transfer.

Required Qualifications:

Education Minimum:

Bachelor s degree in Computer Science, Information Technology, Information Systems, Computer Engineering, or a closely related technical field. Experience 8-10+ years in database administration with preferably 5+ years of substantial production PostgreSQL administration in enterprise environments. PostgreSQL Strong hands-on expertise with architecture, configuration, WAL, MVCC, VACUUM/autovacuum, XID wraparound, locking, query plans, indexing, partitioning, statistics, extensions, replication, upgrades, migration, and troubleshooting. HA Hands-on Patroni or equivalent HA framework; etcd/Consul; streaming replication; HAProxy; PgBouncer; quorum, fencing, split-brain prevention, failover and failback. Backup/Recovery pgBackRest; WAL archiving; PITR; full/differential/incremental backup; encryption; retention; large-database recovery and restore testing. Monitoring pg_stat

• views, pg_stat_statements, exporters/PrometheGrafana or enterprise monitoring, alerting, centralized logging and SIEM integration. Linux Strong RHEL/Linux skills including systemd, filesystem/LVM, networking, SELinux, firewall, kernel/sysctl, ulimits, storage/I/O diagnostics and shell scripting. Automation Ansible, Git, Terraform, Python and/or shell, CI/CD, Infrastructure as Code, and automated database builds. Operations Demonstrated 24x7 production troubleshooting, incident response, RCA, change management, performance analysis, patching and upgrade experience. Preferred Qualifications Large enterprise or multi-TB PostgreSQL estates. Mission-critical / 24x7 database services. VMware or enterprise virtualization and enterprise storage. OpenShift/Kubernetes PostgreSQL experience. Oracle-to-PostgreSQL migration experience. Active Directory / enterprise IAM integration. Regulated or critical-infrastructure environments. Experience with EDB, Percona, Crunchy Data, or upstream PostgreSQL. Cloud PostgreSQL services and hybrid architectures. PostgreSQL community contributions or relevant certifications. Core Technical Competencies Architecture Design resilient PostgreSQL services across compute, storage, network, HA, backup and DR layers. Troubleshooting Diagnose failures across PostgreSQL, Linux, virtualization, storage and network boundaries. Performance Use PostgreSQL statistics and EXPLAIN (ANALYZE, BUFFERS) to identify and remediate bottlenecks. Recovery Recover to latest state or precise PITR target and produce recovery evidence. Automation Turn manual build/operations procedures into repeatable version-controlled automation. Documentation Produce clear architecture, standards, runbooks, diagrams and operational handoff materials. Communication Work effectively with DBAs, infrastructure, application, security, management and vendor support teams.