Leesburg, Virginia, United States
1099 / C2C 100% Remote Contracts ONLY. Active DOD Clearance (contact for details) A dedicated Information Technology Professional offering over 20 years of strong technical experience in Private, Healthcare, Government and Financial Sector. My Specialties: SME Red Hat Enterprise Linux Security + CE ITIL v.3 Certified VCE Certified Professional Framework Dell Certified Engineer Windows and Linux Engineering Specialized in Linux Architecture, Red Hat Enterprise 8, 9, Rocky, Alma Linux, Red Hat Satellite, Ansible Automation Platform and Identity Management, ImageBuilder Lots of VMware V-Sphere, Rackspace and Amazon AWS Virtualization, Azure Training migration best practices in Red Hat Enterprise Linux 8 and 9 Manage Linux Engineering Teams in a 24x7 high availability environments. Amazon AWS Cloud Integration and Ansible YAML Playbook Automation, RHEL Insights Awesome Customer Service
• Design Ansible Playbook to migrate Red Hat Linux registrations from Red Hat Portal and migrated them to a new Satellite 6.15 using Activation keys, Satellite secure certificates, and firewall rules which saved DEA a lot of money on product Licensing. • Conduct Blue/Red Team assessments, penetration testing, and vulnerability exploits to identify design gaps. • Evaluate existing Linux infrastructure and plan migration to Cloud environments. • Good experience leveraging RSAT Tools, Active Directory, DNS, Kerberos and PowerShell modules • Formidable experience with CrowdStrike and Qualys, Splunk, ServiceNow automation deployments in RHEL systems through scripting, Ansible and Satellite. • Configure and maintain Satellite custom repository for in-house Linux rpms for RHEL 7,8 and 9 • Perform security assessments and provide latest errata for RHEL 7,8,9 systems through Ansible. • Engineer bash PowerShell scripts to identify applications and Operating Systems vulnerabilities. • Architecting a plan to introduce automation tools and redhat-insights to enhance agility, operations, and security across the enterprise. • Engineer Ansible playbooks using YML language and utilize System Roles to manage environments. • Designed and deployed a new Satellite 6.14 on RHEL 8 Operating systems and applied latest security STIG compliance. I integrated Satellite with Windows Domain Active Directory and smart card authentication. • Engineered Ansible playbook to join Linux systems with Active Directory domain, apply DISA STIG security profiles, register to Satellite and apply Multi-factor PIV/CAC smartcard-authentication to completely enhance security across the enterprise. • Assist meetings to provide architectural guidance and mentorship to all-levels DEA. • Strong familiarity with Zscaler and zero-trust architecture. • Engineered solution to create fapolicyd security rules to allow trusted applications in RHEL 8 and 9 systems.
• Senior Engineer with strong understanding of Red Hat Enterprise Linux management practices. • Automate installation of Centrify and Windows Active Directory authentication in Linux virtual machines. • Use Ansible to automate SNMPv4 SolarWinds configurations in RHEL 7 and 8 serves. • Automate Linux OpenSSL PKI Certificates and CSR requests for RHEL mass deployments. • Strong familiarity implementing STIG remediation and vulnerability assessment utilizing Tenable Nessus. • Plan and design migrations of Cots Scientific telescope software from RHEL 7 to RHEL 8 on a VMware Classified environments. • Engineer a custom RPM using DISA STIG V3R8 benchmark to greatly improved security posture from 68% up to 97% in all RHEL Linux servers. • Utilize Ansible playbooks and Ad-Hoc commands to provide remote management for all RHEL 7,8 servers. • Solid Experience using VMware PowerCLI to manage large-scale virtual machine snapshots. • Engineer automated RHEL 8 and 9 virtual installations using PXE boot Kick-start technology.
• Engineer Linux bash scripts and Ansible playbooks to provision RHEL 8 and Amazon EC2 Linux instances in AWS Cloud. Utilized GitHub for software version control. • Design Linux workflow architecture and integrated scripts in Morpheus Cloud Management Platform. • Lead Linux migration effort from VMware infrastructure to Amazon AWS Infrastructure as Code. • Utilize JSON code to integrate Amazon AWS tags, EBS volumes, multiple accounts to new and existing Morpheus Cloud Management workflows to facilitate provision / decommission of EC2 Linux instances in a multi-tenant AWS environment. • Lead training effort to resize AWS EC2 instance types to deliver the best price for performance on Linux and Windows EC2 instances. • Designed technical documentation with interactive content tables and images to mentor Cloud and Linux systems administrators. • Well versed using Amazon AWS CLI to create management reports demonstrating rogue and underutilized EC2 instances. • Familiarity with AWS AMI catalog to deploy Linux Golden Images in Amazon AWS and apply STIG or CIS benchmarks to meet security compliance. • Configured several Linux applications: Qualys, Datadog, Illumio, Amazon SSM Agent, Tanium, Splunk and Symantec to Golden Images to reduce provision duration for new EC2 Linux instance deployments. • Integrate Linux Golden Images to Morpheus Cloud Management Catalogs to provide on-demand self-service Linux instance provisioning in a multi-cloud environment.
• Familiar managing S3 Buckets and applicable storage classes. • Create Object Lifecycle policies to manage S3 buckets and objects using AWS CLI. • Familiar creating VPC with network ACL, security groups, private and public configurations for Linux EC2 instances. • Provision and Decommission Linux EC2 instances with attached EBS volumes elastic IPs. • Experience managing Identity Access Manager (IAM) users, security roles and SSH keys for AWS users. • Solid experience utilizing AWS CLI to create, delete and manage hundreds of S3 objects. • Use AWS CLI to archive thousands of S3 bucket objects from Standard Tier to Glacier Tier Deep Archive Tiers and vice versa. • Engineer AWS CLI bash script to sync hundreds of S3 buckets into one consolidated S3 bucket in order migrate AWS accounts and reduce footprint and cost. • Familiar interacting with Amazon AWS Support staff and ticketing system. • Design and engineer Amazon EC2 instance hosting MediaWiki 1.33 for wiki software and integrate AWS MySQL RDS database backend. • Design and engineer Amazon EC2 instance hosting Drupal 9.3 for web content repository and integrated AWS MySQL RDS database backend. • Familiar deploying Alma Linux, Rocky Linux EC2 t2.medium instances with a dedicated VPC, LAMP stack and security group inbound rules. • Improved change management procedure by creating technical documentation to mentor ITIL best practices to system administrator.
• Lead Sr. Linux Engineer / Manage 9 Red Hat Linux administrators and engineers. • Managed Infrastructure of 2500 virtual Red Hat Linux servers in a 24/7 multi-site failover environment. • Design architecture for RHEL 7 and provide guidance to technical and management personnel. • Automate configuration management bash scripts through Red Hat Satellite 6.7 and Big Fix Enterprise Tools. • Coordinate with multiple Database and application teams to drive Linux projects to successful completion. MuleSoft, Container/Docker, ServiceNow, MariaDB and Nessus Tenable. • Design configuration management scripts in Red Hat Satellite 6.7 to provide Linux server automation.