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title: Resume - Alex Kraker - August 2025
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date: 2025-08-10
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author: Alex Kraker
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description: My current resume
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---
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Tulsa, OK | alex(@)alexkraker.com | [LinkedIn](https://www.linkedin.com/in/alexkraker/) | [GitHub](https://github.com/kraker)
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## PROFESSIONAL SUMMARY
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Results-driven Systems Engineer with 5+ years of experience in **Linux engineering** and system administration, architecting, automating, and maintaining high-availability server environments across AWS, Azure, and GCP. Specialized in **Infrastructure as Code (IaC)** using **Ansible, Terraform, Packer, and GitLab CI** to deliver secure, repeatable, and maintainable deployments. Proven track record in large-scale systems implementations, configuration management, and performance optimization with a strong focus on **security hardening** and compliance. Collaborative leader and mentor dedicated to fostering team growth, promoting maintainability, and building comprehensive documentation and knowledge bases to ensure long-term operational excellence.
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## KEY ACHIEVEMENTS
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- Delivered DISA STIG-hardened RHEL “Golden Image” pipelines achieving 100% compliance baseline within 9 months for federal cloud environments.
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- Achieved 99.95% infrastructure uptime SLA by establishing consistent configuration baselines and resolving issues surfaced via observability tooling.
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- Implemented high-availability SAP Pacemaker clusters as a key deliverable in a $400K+ infrastructure project, deploying 3 SAP BW/4 clusters on RHEL/SLES.
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- Authored 20K+ lines of Infrastructure as Code (Ansible, Terraform, Packer) across 35+ projects, standardizing deployments and improving maintainability.
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## PROFESSIONAL EXPERIENCE
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**Cloud Security Engineer (Contract)**
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Insight Global / Peraton Inc. – Remote | Sep 2024 – Present
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- Engineered automated **DISA STIG-hardened** RHEL “Golden Image” build and deployment pipelines using **Ansible, Packer, Terraform, and GitLab CI**, achieving 95% compliance in 3 months and 100% in 9 months.
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- Developed configuration automation to patch vulnerabilities and enforce compliance for new RHEL 9 AWS deployments.
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- Built and maintain **RHEL 9-based Docker “tools” image** used as the executor for GitLab CI pipeline runners across team-managed projects.
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- Authored deployment automation for observability and security agents integrating with SOC monitoring, XDR, IdM, vulnerability assessment, and SIEM.
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- Contributed to 25+ IaC projects (10K+ lines of code) and served as primary maintainer for 10+ infrastructure automation pipelines.
- Managed automated configuration for 800+ Linux and Windows servers across **AWS, Azure, and GCP**.
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- Managed automated configuration for 800+ Linux and Windows servers across **AWS, Azure, and GCP**, balancing maintenance, configuration, and security hardening.
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- Implemented high-availability SAP Pacemaker clusters on RHEL/SLES as a key deliverable in a $400K+ infrastructure project, including deployment of 3 SAP BW/4 clusters.
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- Engineered **Teleport Kubernetes cluster deployment** for Identity Management (IdM) on **AWS EKS**, enabling secure access and streamlined operations.
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- Developed Bash and PowerShell scripts for DB2 backups, Prometheus monitoring, and Windows server onboarding.
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- Achieved 99.95% infrastructure uptime SLA by establishing consistent configuration baselines with **Configuration as Code** (Ansible) and proactively resolving issues identified through observability platforms such as **Prometheus** and **Grafana**.
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- Authored over 10K lines of Ansible code for standardized deployments and patching processes using **Jenkins CI** pipelines.
Linux System Administration, Red Hat Enterprise Linux (RHEL), SUSE Linux Enterprise Server (SLES), CentOS, Ubuntu, Windows Server Administration, Networking, DNS, System Configuration, Technical Documentation, Mentoring, Knowledge Management
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