Hi, I’m Mahmodul Hassan.
Experienced IT professional with expertise in cloud infrastructure, data analytics, and systems integration (Oracle, AWS, Azure). Currently focused on real-time data systems with AspenTech IP.21, virtualization, Microsoft 365/Azure administration, and secure, resilient enterprise operations.
Core Highlights
About
With a foundation across Windows Server, macOS, and Linux, I design, implement, and support secure, resilient systems at scale. My work bridges IT and OT — integrating historian platforms, cloud services, and automation to deliver reliable data and business outcomes.
Technical Skills
OS & Platforms
Windows Server 2012–2025, macOS, Ubuntu
Cloud & Virtualization
Azure IaaS (AVD, Storage, Key Vault, Backup), Oracle Cloud, AWS; VMware ESX, Hyper-V
Languages & Web
C#, .NET, Python, HTML5/CSS/JS, REST APIs, ASP.NET, AngularJS
Databases & Tools
SQL Server, MySQL, Oracle, SQLPlus, Entity Framework Core
Security & Networking
Firewall config, encryption, DNS, switching, remote connectivity
Historians & Analytics
AspenTech IP.21, Aspen Calc, AspenTech SQL+, Web.21
Professional Experience
IP.21 Developer · Tata Consultancy Services — Worcester, MA
- Implemented and optimized Aspen InfoPlus.21 historian systems, achieving 99%+ data availability with custom configurations.
- Integrated IP.21 with enterprise systems across Windows Server 2012–2025 to enable seamless real-time data flow.
- Administered VMware ESX & Hyper-V environments for dev/test/prod workloads.
- Managed Microsoft 365 administration and PowerShell automations for provisioning and mail flow diagnostics.
- Supported AD and Entra ID for authentication and access control; managed firewall rules (Sophos, Fortinet, SonicWall).
- Diagnosed DNS and switching issues across complex network environments; supported remote connectivity.
- Migrated legacy data into IP.21 using AspenTech SQL+, Aspen Calc, and custom interfaces; built file/tag sets, areas, and SQL reports via Web.21.
- Designed repositories tuned to hardware resources; scheduled custom calculations with Aspen Calc.
- Administered IP.21 security (AFW, AD groups, ADSA, SLM, OPC Server/test client).
- Implemented backup & disaster recovery (Veeam, Datto) and led DR operations during outages; created PowerShell automation.
- Trained and onboarded users on IP.21, Microsoft 365, Azure, and recovery protocols; collaborated across IT/OT teams.
Systems Engineer (General)
- Developed and customized software to optimize operational efficiency; implemented REST APIs in C#/.NET (MVC/Web API).
- Designed front-end components (AngularJS) and used Entity Framework Core with SQL Server.
- Created technical specifications, test plans; maintained systems by triaging and correcting defects.
Grader (Part-Time) · Boston College — Boston, MA
- Evaluated assignments, quizzes, and exams per rubric; ensured timely and accurate LMS entries.
- Collaborated with instructors on grading issues; preserved confidentiality and academic integrity.
Assistant Manager · CVS — Boston, MA
- Led store operations, staffing, and customer service; supported policy implementation and training.
Education
Master’s (in progress) — Data Science, Boston University
Bachelor’s — Information Systems, Boston College
Professional Studies Certificate — Marketing, Boston College
Certifications
Contact
Availability
Open to full-time roles in Systems Engineering, Cloud/Infrastructure, and Data-driven integration. Based in Worcester, MA; flexible for hybrid/remote.