I am a seasoned IT professional. My specialty is Apple with over a decade of experience with MacOS and iOS support, MDM deployment (Mosyle, JAMF, Addigy, SimpleMDM, etc.), Apple Business Manager, much more. I also have extensive experience in Cloud IT, including Microsoft 365, Google Workspace, and utilizing AWS to implement custom coded automation and integration across platforms tailored to the particular needs of your business.
Amazon S3
Mobile Device Management
macOS
iPhone
iOS
JAMF
Automation
PHP
API
Austin D.
Chicago, Illinois
$100/hr
4.7
2 jobs
I am a senior data engineer with 7+ years of experience in the field. I have worked for multiple major tech giants in highly competitive positions alongside some of the top talent in the world.
⚙ Primary programming languages: Python, SQL
⚒ ETL/ELT pipeline development, tech stack migrations, DBT development, data modelling, analytics and reporting
📊 Data visualization using tools like Power BI
👨💼 Architecture and system design
☁ Distributed cloud app development with a specialization in AWS
Amazon S3
SQL
Microsoft Power BI
Python
Data Engineering
dbt
Apache Airflow
AWS Lambda
Amazon EC2
PySpark
ETL
Databricks Platform
Data Mining
Data Analysis
Data Migration
Bulent S.
Oak Forest, Illinois
$70/hr
4.9
25 jobs
Senior Database Administrator / Database Reliability Engineer with 18+ years of experience keeping production databases reliable, available, secure, and performant across AWS, GCP, Azure, and on-premises environments.
My core expertise is database performance tuning, high availability, disaster recovery, database upgrades, backup & recovery, replication, cloud database administration, and database migrations.
I work with PostgreSQL, Oracle, MySQL/MariaDB, SQL Server, MongoDB, and Snowflake, with extensive experience supporting production environments across cloud and on-premises platforms.
What I can help you with:
🔹 Database Performance Tuning
SQL and query performance troubleshooting
Execution plan analysis
Index optimization
Partitioning and materialized views
Database-level performance analysis
Identifying and resolving production bottlenecks
🔹 High Availability & Disaster Recovery
HA/DR architecture and implementation
Physical and logical replication
Backup and recovery strategies
RPO/RTO planning and validation
Disaster recovery testing
Production database recovery and troubleshooting
🔹 Database Upgrades & Maintenance
Database version upgrades
Upgrade planning and compatibility analysis
In-place and blue/green upgrade approaches
Pre- and post-upgrade validation
Production change management
Minimizing downtime and operational risk
🔹 Cloud Database Administration
AWS RDS and Amazon Aurora
AWS EC2 database environments
GCP database environments
Cloud database monitoring and troubleshooting
Cloud database maintenance and upgrades
🔹 Database Migrations
Oracle → PostgreSQL
On-premises → AWS
Cross-platform and cross-database-engine migrations
AWS SCT for schema/code conversion
AWS DMS for data migration and replication
Migration planning, validation, and cutover support
🔹 Backup, Recovery & Production Support
Backup strategy and recovery procedures
Database crash and failure recovery
Production incident troubleshooting
DR drills and recovery validation
SLA-driven incident and change management
I also have strong experience with Linux, Bash/Shell scripting, Terraform, Ansible, Git, Docker, and GitHub Actions, allowing me to automate repetitive DBA tasks and integrate database operations into modern infrastructure and deployment workflows.
My approach is practical and production-focused: understand the problem, identify the root cause, implement a safe solution, validate the result, and document the process.
Whether you need help with a slow database, a production incident, an HA/DR solution, a database upgrade, a cloud migration, or ongoing database administration, I can help you design and execute the solution.
Amazon S3
PostgreSQL
MySQL
Oracle Database
WordPress
PHP
Database Programming
Bash Programming
AWS Server Migration
Amazon EC2
Amazon RDS
Database Management
PostgreSQL Programming
Amazon ECS
Database
Richard T.
State College, Pennsylvania
$40/hr
4.9
115 jobs
My specific expertise is web design and development in the Ruby-on-Rails and WordPress frameworks. I have experience in AI-based vibe coding, AI integration and AI product troubleshooting/completion.
I provide the entire website life-cycle: web design, development and web site maintenance.
I develop sites for all levels - startup to full enterprise site.
One of the highest-rated developers on UpWork - with a "Top-Rated" badge and a 100% job success rating. I focus on efficiency and quality. I do not provide you with a 'less than credible' price estimate then leave you with a broken or unfinished product.
I stand ready to help large and small entrepreneurs successfully build their website or web app while respecting their unique budget constraints.
Amazon S3
Web Design
Divi
JavaScript
WordPress
CSS
Ruby on Rails
API
API Integration
WordPress Website
WordPress Landing Page
Web Page
Web Development
Ecommerce
Ruby on Rails Stack
Eugene D.
Daly City, California
$90/hr
4.9
30 jobs
As a CISSP-certified Information Security Manager with deep DevOps and DevSecOps experience, I help organizations secure their systems without slowing delivery. I combine strategic security leadership with hands-on technical execution across cloud infrastructure, CI/CD pipelines, and modern application stacks.
My approach bridges security, engineering, and operations, ensuring security is built into how teams design, deploy, and operate systems—not bolted on later.
SERVICES OFFERED
Security Assessments & Risk Management
• Conduct in-depth security assessments, threat modeling, and risk analyses
• Identify vulnerabilities across cloud infrastructure, applications, CI/CD pipelines, and networks
• Prioritize remediation aligned with real business and engineering impact
DevSecOps & Secure SDLC
• Integrate security into CI/CD pipelines (GitHub Actions, GitLab CI, etc.)
• Implement automated controls for SAST, DAST, dependency scanning, secrets management, and IaC security
• Define and operationalize secure SDLC practices without reducing developer velocity
Cybersecurity & Cloud Security Strategy
• Design and implement programs aligned with ISO 27001, SOC 2, PCI-DSS, and NIST
• Secure AWS, Azure, and GCP using least privilege, logging, monitoring, and defense-in-depth
• Build scalable architectures that support growth
Incident Response & Operational Security
• Lead and support incident response and breach handling
• Coordinate containment, recovery, and root-cause analysis
• Improve logging, alerting, and detection
Compliance & Audit Readiness
• Prepare organizations for SOC 2, ISO 27001, HIPAA, PCI-DSS, and GDPR
• Translate compliance requirements into practical technical controls
• Produce audit-ready documentation and evidence
Endpoint, Network & Platform Security
• Implement endpoint protection and device hardening
• Design secure network architectures and zero-trust patterns
• Improve identity and access management across cloud and SaaS
Security Training & Engineering Enablement
• Provide practical security training for engineering and DevOps teams
• Run phishing simulations and awareness programs
• Help teams understand why controls exist
WHY WORK WITH ME
• CISSP-certified with hands-on DevOps and cloud security experience
• Practical, production-ready security controls
• Experience with startups through enterprise environments
• Direct, clear communication with no unnecessary complexity
Let’s build a secure, scalable, and audit-ready environment that supports engineering teams and protects your business as it grows.
Amazon S3
Ansible
Amazon Web Services
Kubernetes
Amazon ECS
Jenkins
Network Security
Information Security
Amazon RDS
Continuous Integration
Amazon EC2
DevOps
Internet Security
Network Administration
Marc W.
Denver, Colorado
$145/hr
4.9
233 jobs
Highly experienced IT professional and top-ranked AWS consultant on Upwork, specializing in AWS cloud architecture, networking, security, infrastructure, DevOps, migrations, cost optimization, AI/ML, and complex AWS troubleshooting.
I'm an AWS Certified Solutions Architect and AWS Certified Security – Specialty professional with extensive experience designing, securing, optimizing, and troubleshooting AWS environments. I help organizations build secure, highly available, and cost-efficient cloud infrastructure that meets compliance requirements including HIPAA and SOC 2, supported by a small US-based team of experienced cloud and security specialists.
I also bring over 15 years of enterprise IT consulting experience, including working with major investment banks in London, Sydney and New York.
My work ranges from designing new AWS environments and migrating existing infrastructure to solving difficult networking, security, IAM, database and performance problems in established AWS estates. I regularly work with organizations that need senior-level AWS expertise without hiring a full-time cloud architect.
Whether you're planning a migration, reviewing the security of an existing AWS environment, reducing AWS costs, implementing a complex network architecture, building an AI platform, or troubleshooting an issue your team can't solve, I can help.
Areas of Expertise:
- AWS Cloud Architecture & Solution Design
- AWS Networking & Connectivity
- VPC architecture, Transit Gateway, VPN, routing, PrivateLink, VPC endpoints, DNS, load balancing and hybrid connectivity
- Cloud Migrations & Modernization
- AWS Security & Compliance
- HIPAA, SOC 2, PCI DSS, security assessments and remediation
- IAM, Identity & Access Management
- IAM Identity Center, least privilege, permission design, SSO, JIT/elevated access and access - reviews
- Penetration Testing & Vulnerability Assessments
- Preliminary web/API security testing, vulnerability identification and remediation guidance
- DevOps & Infrastructure Automation
- CloudFormation, Infrastructure as Code, CI/CD and deployment architecture
- AWS Cost Optimization
- Architecture reviews, rightsizing, Savings Plans and infrastructure cost reduction
- Disaster Recovery, Backup & High Availability
- Containers & Application Infrastructure
- ECS, Fargate, EKS, ECR, ALB, CloudFront and WAF
- Databases & Data Platforms
- RDS, Aurora, PostgreSQL, MySQL/MariaDB, ElastiCache, S3 and data pipelines
- AWS Security Services
- GuardDuty, Security Hub, Inspector, AWS Config, CloudTrail, WAF and KMS
- AI / ML & Generative AI
- Amazon Bedrock, AI landing zones, secure model access and AI infrastructure
- AWS Landing Zones & Cloud Governance
- Multi-account architecture, security guardrails, centralized logging and compliance controls
- AWS Troubleshooting & Performance
- Networking, connectivity, security, database, application and infrastructure troubleshooting
Contact me if you need an experienced AWS consultant to design, secure, migrate, optimize or troubleshoot your AWS environment.
Amazon S3
Vulnerability Assessment
Database Administration
IT Management
Amazon RDS
Amazon Web Services
AWS Lambda
Amazon EC2
AWS Server Migration
Security Infrastructure
Application Security
AI Implementation
DevOps
HIPAA
MySQL
Microsoft SQL Server Administration
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