Systems / Cloud Administrator

David Okiro

Rehoboth, MA ***** • **********@*****.*** • 508-***-****

Summary

With 5+ years in Information Technology, I excel in cloud administration, infrastructure optimization, and security management. I am strategic and reliable, thriving in fast-paced environments where I foster collaboration, solve technical challenges, and create value. I am capable of working independently or within cross-functional teams.

Soft skills

Ability to work closely with cross-functional teams, including development, operations, and security

Clear and concise communication, especially when explaining technical issues to non-technical stakeholders

Ability to prioritize tasks and manage time effectively across multiple cloud platforms

Technical Skills

Virtualization (VMWare, MS Hyper-V), Security (Access Control and Management, encryption, firewalls, SIEM tools - MDATP).

Microsoft 365, Office 365, and Microsoft Exchange environments, Windows Server, Networking (TCP/IP, DNS, VPNs, Subnetting)

Strong understanding of core cloud services including compute, storage, virtual machines, networking, security, and management tools.

Knowledge in scripting languages such as PowerShell and Bash for automation.

Strong troubleshooting skills for diagnosing and resolving cloud-related issues

Professional Experience

Systems / Cloud Administrator

Thermo Fisher Scientific, Waltham MA, USA. January 2019 – Present

Responsible for provisioning, configuring, and maintaining cloud infrastructure resources, including virtual machines, storage, and networking components.

Focused on analyzing cloud resource consumption patterns and implementing strategies to optimize costs and performance.

Managed identity and access policies for users and configured MFA and SSO to secure cloud resource access.

Monitored the performance and uptime of cloud services, setting up alerts and automated responses for outages and performance degradation.

Managed Group Policies to enforce security settings, software deployment, and configuration settings across the domain.

Designed and implemented backup, disaster recovery, and high-availability configurations for cloud environments, ensuring minimal downtime.

Tracked and managed cloud expenses using cost management tools, implementing policies like auto-scaling and reserved instances to reduce costs.

Ensured cloud environments adhere to security best practices, including encryption, firewall configurations, and vulnerability management.

Ensured cloud services meet industry security standards and compliance regulations, conducting regular security audits and reviews.

Provided technical support for cloud services, troubleshooting network connectivity, access, and performance issues.

Offered guidance and support for migrating on-premise systems to the cloud and configuring hybrid cloud architectures.

Maintained detailed documentation of cloud configurations, architecture, and policies, ensuring up-to-date records for future reference.

Regularly reviewed security incidents, audit logs, and vulnerability reports, addressing potential risks to the cloud environment.

Managed automated backups, testing the integrity of backups periodically to ensure robust recovery capabilities in case of failure.

IT Specialist

Central One Credit Union, Westborough, MA, USA August 2016 - December 2018.

Implemented, managed, and monitored Azure environments

Configured and maintained virtual networks, storage, compute resources, and identity services

Contributed to the migration of on-premises infrastructure and third-party applications to the Azure cloud.

Developed and maintained automation scripts using PowerShell and Azure CLI

Monitored and optimized Azure resources for performance, security, and cost-effectiveness

Administered Microsoft Teams, including channels, groups, and integrated apps.

Provided training to end-users on collaboration features and best practices.

Monitored endpoint health and ensure devices meet security compliance requirements.

Reviewed and applied security patches and software updates across endpoints.

Administered endpoint detection and response (EDR) capabilities to quickly identify and address security risks.

Continuously monitored the security dashboard for alerts and incidents.

Analyze detected threats, such as malware, ransomware, and suspicious behaviors.

Investigated endpoint detection and response (EDR) alerts to assess the severity of threats.

Developed incident response procedures and assist in real-time security incident management.

Worked closely with the threat intelligence team to stay updated on the latest vulnerabilities and attack vectors.

Prepared detailed reports on security incidents and propose mitigations to reduce risk.

Created and maintain documentation for Azure configurations, integration processes, and Contributed to the team's knowledge base and participate in knowledge-sharing sessions

Data Analyst.

US AID Project Brockton, MA. January 2013 – June 2016.

Collected relevant data from various sources, including surveys, databases, and external datasets. This involved understanding the data requirements for specific analyses.

Cleaned and preprocessed data to ensure its quality and accuracy.

Carried out Exploratory Data Analysis, which involved exploring data patterns, distributions, and relationships.

Used statistical techniques and visualizations to uncover insights in the projects assigned to me.

Applied statistical methods to analyze data. Included calculating descriptive statistics, conducting hypothesis tests, and identifying trends in the selected data sets.

Took part in creating informative visualizations that were crucial to the project. Used tools like Excel, Tableau and R required to present findings.

Education

MSc. Cybersecurity and Information Assurance. Western Governors University, Utah. June 2024 (In Progress).

BSc in Business Statistics. Makerere University, Kampala, Uganda. September 2007 - 2010.

Trainings/ Certifications

Microsoft Certified: Azure Fundamentals, Azure Administrator, Oracle Certified Foundations Associate

CompTIA Security+, AWS Cloud Practitioner Certification,

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