Cumulative MTTR
21m 30s
Target: under 25 minutes per incident
Incidents Cleared
10 / 10
Live-fire enterprise readiness gauntlet
Domain Competencies Underwritten
System Administration & Permissions Shell Environment & Tooling Automation & Scripting Disk Management & System Reliability Security & Access Control Networking & Reverse Proxy Automation & Cron Scheduling Database & Backend Operations Containerization & Docker Infrastructure as Code & CI/CD
Validated on live RHEL 9 production sandboxes
Resolved Incident Post-Mortems
TICKET #001
SEV-2 MEDIUM
RESOLVED & AUDITED
Health-Check Script Execution Failure via Permission Drift
System Administration & Permissions · Resolution Time: 11m 20s
Restored centralized security log ingestion without exposing audit files to unauthorized access.
Technical Skills Proved
Diagnosed EACCES permission failures blocking production log rotation Applied least-privilege DAC file mode remediation without over-permissioning Re-established the persistent logging pipeline and validated command resolution
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #002
SEV-3 LOW
RESOLVED & AUDITED
Environment Variable & Binary $PATH Misconfiguration
Shell Environment & Tooling · Resolution Time: 10m 45s
Restored monitoring tool availability across the shell environment without modifying system-wide configuration.
Technical Skills Proved
Diagnosed command-not-found failures via $PATH inspection Corrected user-scoped binary path resolution in the shell profile Verified global command execution across new shell sessions
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #003
SEV-2 MEDIUM
RESOLVED & AUDITED
Shell Script Syntax & Exit Code Trap Debugging
Automation & Scripting · Resolution Time: 12m 5s
Restored automated backup execution by resolving a silent scripting failure blocking production data protection.
Technical Skills Proved
Isolated an unexpected end-of-file error in conditional shell logic Repaired unmatched control-flow blocks without altering script behavior Verified clean exit-code execution to confirm remediation
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #004
SEV-1 CRITICAL
RESOLVED & AUDITED
Log Inode Saturation & Emergency Truncation
Disk Management & System Reliability · Resolution Time: 18m 30s
Recovered a production application from write-blocking disk exhaustion without dropping active connections or rebooting the host.
Technical Skills Proved
Diagnosed inode/disk saturation caused by an unbounded log file Performed live truncation of an actively-held file descriptor without service interruption Re-provisioned log rotation and archive directories to prevent recurrence
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #005
SEV-1 CRITICAL
RESOLVED & AUDITED
SSH Key Permissions & Authentication Lockdown
Security & Access Control · Resolution Time: 19m 50s
Restored secure remote access to a production host by correcting the SSH key trust chain.
Technical Skills Proved
Diagnosed SSH authentication rejection tied to over-permissioned key material Hardened .ssh directory and key file modes to compliance standard Verified authenticated SSH session restoration
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #006
SEV-2 MEDIUM
RESOLVED & AUDITED
Nginx Binding, Endpoint Routing & Error Log Architecture
Networking & Reverse Proxy · Resolution Time: 17m 15s
Restored reverse proxy availability and eliminated a port collision blocking service startup.
Technical Skills Proved
Diagnosed an NGINX startup failure from a bound-port conflict Reconfigured listener bindings and structured dedicated error logging Provisioned and validated a dedicated health-check endpoint
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #007
SEV-2 MEDIUM
RESOLVED & AUDITED
Sync Script Execute-Permission & Logging Failure
Automation & Cron Scheduling · Resolution Time: 31m 40s
Restored a silently-failing scheduled telemetry job to reliable, auditable execution.
Technical Skills Proved
Diagnosed cron's bare execution environment causing silent script failures Normalized absolute binary paths across a production cron job Bound persistent stdout/stderr logging for ongoing observability
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #008
SEV-1 CRITICAL
RESOLVED & AUDITED
Database Configuration & Connection Socket Triage
Database & Backend Operations · Resolution Time: 29m 10s
Restored application connectivity to a production PostgreSQL instance without data loss or service restart.
Technical Skills Proved
Diagnosed connection-refused failures from misconfigured host/port parameters Corrected database connection configuration and socket directory permissions Verified end-to-end application-to-database connectivity restoration
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #009
SEV-2 MEDIUM
RESOLVED & AUDITED
Container Environment Drift & Network Port Mappings
Containerization & Docker · Resolution Time: 33m 25s
Resolved a Docker Compose deployment failure and eliminated a host port collision blocking container startup.
Technical Skills Proved
Diagnosed a port-already-allocated failure in a multi-container deployment Corrected host-to-container port mappings and missing volume mounts Validated persistent data binding across container restarts
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
TICKET #010
SEV-1 CRITICAL
RESOLVED & AUDITED
Ansible Multi-Task Automation & Zero-Drift Idempotency
Infrastructure as Code & CI/CD · Resolution Time: 30m 55s
Restored CI/CD pipeline reliability by eliminating non-idempotent configuration drift in a production Ansible playbook.
Technical Skills Proved
Diagnosed invalid state parameters breaking CI/CD check-mode validation Corrected playbook task schema to enforce declarative, idempotent file management Verified zero-drift idempotency via repeated dry-run execution
▸ Post-Mortem Details
No post-mortem write-up submitted yet.
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