Michael Wossenu
Alexandria,VA
Summary
Smart DevOps Engineer with career spent in IT designing and planning. Talented leader with extensive knowledge of high availability architecture and concepts. Ready to tackle new challenges in project planning and development capacity.
Overview
15
15
years of professional experience
1
1
Certificate
Work History
Devops Engineer
Virginia housing
Richmond, VA
10.2023 - Current
- Designed and automated CI/CD pipelines using Azure DevOps, AWS, reducing deployment times by 70%
- Implemented Docker for containerization and managed deployments on AWS ECS and EKS, improving scalability and resource efficiency
- Orchestrated container deployments and management using Azure Kubernetes Service (AKS) and AWS Elastic Container Service (ECS)
- Configured Git repositories on GitHub, GitLab, and Azure DevOps, facilitating efficient code collaboration and version control
- Developed CI/CD workflows using Azure DevOps Pipelines, AWS CodePipeline, GitLab CI/CD, enhancing development speed and reliability
- Integrated Azure Monitor and AWS CloudWatch for monitoring CI/CD pipelines and application performance
- Utilized Azure Key Vault and AWS Secrets Manager for secure storage and management of deployment secrets
- Implemented infrastructure-as-code practices using Azure Resource Manager (ARM) templates and terraform, ensuring consistent and reliable deployments
- Integrated Azure Security Center and AWS Inspector for continuous security monitoring and compliance
- Conducted performance tuning and optimization of Azure and AWS cloud environments to improve application scalability and efficiency.
Cloud Engineer
Pilot Freight Services
Glen Mills, PA
05.2022 - 10.2023
- Successfully migrated complex, multi-tier applications to AWS Cloud, ensuring a seamless transition and optimizing performance
- Collaborated cross-functionally to analyze requirements, architect cloud infrastructure, and execute migration plans
- Designed and deployed scalable, fault-tolerant applications on the Cloud, meeting stringent high availability requirements
- Leveraged AWS services to architect robust solutions that could handle fluctuations in demand and provide uninterrupted service
- Automated monitor and alarm creation in Datadog using Terraform, streamlining the process and ensuring comprehensive monitoring coverage for critical systems
- Developed reusable Terraform modules for easy replication across environments
- Created Task Definitions for Docker Compose and multi-layer container deployments, leveraging AWS services like S3, EFS, DynamoDB, AWS RDS, and SQS
- Worked closely with development teams to define container configurations and orchestrate deployments
- Containerized web applications for high availability using Kubernetes, Docker, EKS, and ECS
- Designed and implemented Kubernetes clusters, utilizing YAML scripts for pod creation, service provisioning, and deployment management
- Managed a wide range of AWS cloud resources, including EC2 instances, RDS databases, VPCs, Lambda functions, SNS topics, SQS queues, CloudWatch metrics, IAM roles, S3 buckets, EKS clusters, ECS services, and infrastructure as code using CloudFormation and Terraform
- Developed automation scripts in Bash, PowerShell, and Python to streamline manual tasks and enhance operational efficiency
- Automated provisioning, configuration, and maintenance of cloud resources to minimize manual effort and improve accuracy
- Implemented various Lambda services to automate critical cloud functionality
- Developed serverless functions in Python and boto3 to perform data processing, event-driven tasks, and backend logic
- Created deployment scripts using Terraform for multi-cloud environments, enabling consistent and automated deployments across AWS and Azure
- Ensured infrastructure parity and minimized configuration drift
- Successfully migrated production servers from Azure to AWS, executing migration plans and validating functionality and performance on the AWS Cloud
- Minimized downtime and ensured a smooth transition
- Utilized Packer and EC2 image builder to create custom images (golden images) for AWS EC2 instances
- Developed image configurations and automation scripts for efficient instance provisioning and management
- Wrote Ansible playbooks to automate manual tasks of Linux system administration
- Streamlined provisioning, configuration, and maintenance processes for Linux-based systems
- Designed and implemented network configurations for multiple AWS accounts using AWS Org, Control Tower, and Resource Share Manager
- Established secure and well-structured network environments for centralized management and resource sharing
- Deployed both AWS WAF and Akamai WAF as protection layers for web applications and public-facing endpoints
- Configured and optimized WAF policies to safeguard against web security threats.
DevSecOps/Cloud Engineer
Expression Network LLC/
Washington, DC
09.2021 - 05.2022
- Monitored hosts and networks using CloudWatch, Grafana, and Nagios, ensuring optimal performance and availability of critical systems
- Implemented proactive alerting and monitoring strategies to promptly address any issues
- Conducted regular security assessments and audits of the cloud infrastructure, applying industry best practices and compliance standards
- Identified and remediated vulnerabilities, ensuring the effectiveness of security controls and maintaining a robust security posture
- Debugged AWS issues, including compute, network, storage, RDS, etc., as well as operating system issues on Linux and Windows
- Utilized troubleshooting techniques and diagnostic tools to resolve issues promptly, minimizing downtime and ensuring smooth operations
- Managed security incidents and events, swiftly responding to potential threats and collaborating with internal and external teams to investigate and remediate security issues
- Implemented incident response plans and enhanced security measures to mitigate risks effectively
- Set up a self-managed GitLab instance and runners to create and manage CI/CD integrations and pipelines
- Implemented version control, code review, and continuous integration practices to streamline development processes and improve software delivery
- Configured SonarQube to scan container deployments for vulnerabilities, enabling proactive identification and remediation of security risks
- Leveraged static code analysis to ensure secure and robust containerized applications
- Deployed and managed a neo4j application for the data science team, providing an efficient and scalable environment for data analysis and graph database operations
- Ensured high availability and optimized performance for data science workflows
- Managed the Iron Bank mirror for container images using GitLab, maintaining a secure and centralized repository of trusted container images
- Enabled efficient distribution and deployment of standardized container images across the organization
- Created and edited Bash/Shell scripts for automation, streamlining routine tasks and improving operational efficiency
- Developed scripts for provisioning, configuration, and maintenance of systems and services
- Developed Terraform scripts for AWS deployment and management, enabling infrastructure-as-code practices for consistent and reproducible infrastructure provisioning
- Automated the creation and management of AWS resources for streamlined operations
- Managed user access to AWS resources by implementing IAM policies and roles
- Enforced the principle of least privilege, ensuring secure and granular access controls to AWS services and resources
- Managed and deployed Account SCPs (Service Control Policies) for multiple AWS accounts, enforcing security and compliance policies across the organization
- Implemented centralized governance and control mechanisms for AWS environments
- Worked with container-based technologies such as Docker, Kubernetes, and OpenShift, orchestrating and managing containerized applications
- Leveraged containerization to improve scalability, portability, and resource utilization
- Managed and deployed databases on EC2 instances and AWS RDS, ensuring reliable and performant database services
- Implemented database administration tasks, including provisioning, backup, and tuning, to support application requirements
- Managed NFS file shares using AWS EFS, providing scalable and shared file storage for applications and workflows
- Implemented robust file storage solutions for efficient data management and collaboration.
Linux Administrator/ Storage Migration Specialist
Maxar/
Herndon, VA
03.2021 - 07.2021
- Administered and managed enterprise Linux/Unix systems, including Centos, RHEL (6, 7, and 8), Amazon Linux, and Solaris, ensuring their smooth operation and availability
- Utilized CloudEndure to efficiently migrate on-premises servers (both virtual machines and bare metal) to the AWS cloud, ensuring seamless and secure transitions
- Led migration efforts to transfer 3.5 petabytes of data from a datacenter tape library to AWS using tape gateway and S3, optimizing data storage and accessibility
- Implemented Ansible playbooks to grant sudo access to users and administrators on Linux systems, streamlining access management and improving operational efficiency
- Patched systems with CVE vulnerabilities and provided a comprehensive list to the Cybersecurity team, ensuring the overall security and integrity of the infrastructure
- Developed and utilized Ansible playbooks for effective management and administration of Linux systems, automating various tasks and ensuring consistent configurations
- Leveraged Terraform to create, manage, and deploy both VMware and AWS servers, enabling streamlined infrastructure provisioning and management
- Set up a self-hosted GitLab server and established a CI/CD pipeline in collaboration with developers, facilitating efficient software development and deployment processes.
Cloud Engineer / DevOps Engineer
Binary Fountain/
McLean, VA
03.2019 - 03.2021
- Successfully diagnosed and resolved complex issues with cloud infrastructure and applications, leveraging monitoring and analysis tools such as CloudWatch, ELK, Grafana, and Splunk
- Monitored system logs and metrics to ensure optimal performance and proactively identify areas for improvement
- Automated cloud infrastructure management tasks, reducing manual intervention and enhancing efficiency
- Utilized scripting languages including Python, Bash, and PowerShell to automate deployments, manage infrastructure and configuration changes, and monitor system health and performance
- Implemented automation of the cloud environment using industry-standard infrastructure management and orchestration tools such as CloudFormation and Terraform
- Streamlined the provisioning and management of cloud resources, ensuring consistent and scalable infrastructure
- Deployed Logz.io to collect and analyze logs from all production servers, enabling efficient monitoring and troubleshooting of the infrastructure
- Utilized log data to identify patterns, optimize performance, and enhance system reliability
- Created and managed DNS records on Amazon Route 53 and GoDaddy panel, ensuring accurate and reliable domain name resolution
- Effectively managed domain configurations and facilitated smooth communication between systems
- Automated Terraform deployments through GitLab CI/CD pipelines, enabling seamless and controlled deployment of infrastructure changes
- Implemented version control and continuous integration practices for efficient and reliable infrastructure updates
- Developed complex JIRA workflows, including project workflows, field configurations, screen schemes, permission schemes, and notification schemes
- Customized JIRA to meet specific project and team requirements, optimizing collaboration and project management processes.
System Administrator I
DRINKER BIDDLE & REATH LLP/
Washington, DC
01.2018 - 03.2019
- Managed Windows Server environments and technologies for 2,000+ remote and onsite users
- Leveraged PowerShell to automate tasks and maximize productivity
- Proposed plan and executed migration from Windows 2003 to Windows 2012, increasing security, scalability, and efficiency
- Monitor server event logs, performance logs, growth of data on the network, and checking the status of nightly server backups
- Provide detailed project status reporting as directed by management
- Under supervision, create Advertisement/Collections/Packages/Applications within an SCCM 2012 environment
- Analyze SCCM log files, provide patch management support and maintenance window operations
- Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
- Configuration of Services such as FTP, DNS, SSH
- Reduced email spam 80% using a real-time block list for incoming emails using mimecast
- Experience with Apache tomcat web servers for application deployment.
System Admin/Network admin
Boat U.S / GEICO/
Alexandria, VA
08.2015 - 12.2017
- Assisted major operating system upgrade for each desktop client in the company
- Performed regular server configuration and management
- Managed company VOIP phone system and extension listings
- Resolved a history of problematic network failure by troubleshooting LAN/WAN connections between multiple stores for a regional retail chain
- Managed service/user accounts utilizing Microsoft Exchange, Active Directory, User Group maintenance, and User data restoration
- Provided and updated router and firewall security
- Conducted company-wide upgrade of 1300+ users PCs to Windows 10.
Jr System Admin
Ukpeagvik Inupiat Corporation/
Alexandria, VA
11.2013 - 08.2015
- Troubleshoot and provide technical analysis concerning operating system, network, and application performance issues to resolution
- Assisted in the development of procedures and documentation for managing, deploying, and implementing multiple baseline hardware/images and software packages
- Managed service/user accounts utilizing Microsoft Exchange, Active Directory, User Group maintenance, and User data restoration
- Monitor the performance of the computer systems and address issues as they arise
- Responsible for the maintenance and repair of routers, switches, and backup systems integral to network functionality.
Help Desk
Ameriprise Financial/
Cross Lanes, WV
01.2010 - 10.2013
- Tier I&II
- Administers end-user workstations and supports end-user activities utilizing Symantec Endpoint Protection (over VPN (Cisco anyconnect)
- Installed, configured, and maintained personal computers, Windows networks, Apple workstations, file servers, network cabling, and other related equipment, devices, and systems; adds or upgrades and configures disk drives, printers, and related equipment
- Preformed and oversaw software and application installation and updates
- Maintained site licenses for department/organization
- Troubleshoot networks, systems, and applications to identify and correct malfunctions and other operational difficulties
- Develops and conducts various training and instruction for system users on operating systems and other applications; assists users in maximizing use of networks and computing systems.
Education
Computer science -
West Virginia State University
Institute, WVCertification
- Cisco Certified Network Associate R&S, 12/01/18, 12/01/21
- AWS Certified Solutions Architect- Associate, 01/01/22, 01/01/25
- AWS Certified Developer - Associate, 04/01/22, 04/01/25
- AWS Certified Sysops Administrator- Associate, 05/01/22, 05/01/25
- Red Hat Certified System Administrator, 10/01/21, 10/01/24
- HashiCorp Certified: Terraform Associate, 01/01/24, 01/01/26
- Azure Fundamentals (AZ-900), 03/01/22, 03/01/25
- Azure Administrator (AZ-104), 02/01/24, 02/01/27
- Certified Kubernetes Administrator(CKA) 11/05/2024, 11/05/2027
- AWS Certified Solutions Architect -Pro, Ongoing,
- AWS Certified Developer - Pro, Ongoing,
Timeline
Devops Engineer
Virginia housing
10.2023 - Current
Cloud Engineer
Pilot Freight Services
05.2022 - 10.2023
DevSecOps/Cloud Engineer
Expression Network LLC/
09.2021 - 05.2022
Linux Administrator/ Storage Migration Specialist
Maxar/
03.2021 - 07.2021
Cloud Engineer / DevOps Engineer
Binary Fountain/
03.2019 - 03.2021
System Administrator I
DRINKER BIDDLE & REATH LLP/
01.2018 - 03.2019
System Admin/Network admin
Boat U.S / GEICO/
08.2015 - 12.2017
Jr System Admin
Ukpeagvik Inupiat Corporation/
11.2013 - 08.2015
Help Desk
Ameriprise Financial/
01.2010 - 10.2013
Computer science -
West Virginia State University
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