It Operations Infrastructure

Joseph Castelli

561-***-**** ***************@*****.*** 4001 Bluff Harbor Way, Wellington, Florida www.linkedin.com/me?trk=p_mwlite_feed-secondary_nav Summary

● Over 30 years leading IT operations, managing multimillion-dollar budgets to deliver secure and scalable network infrastructures.

● Drove IT infrastructure improvements and digital transformation initiatives, achieving up to 99% system uptime across diverse environments.

● Mentored cross-functional teams and implemented vendor and cybersecurity strategies that reduced costs by up to $1.5M.

Work Experience

The Seminole Tribe of Florida FL

Network / Unified Communications / IoT Manager Aug 2022 - Feb 2025

● Led a 15-person IT team managing a $13M budget to secure voice and data communications across multiple reservations.

● Engineered redundant network infrastructures using SD-WAN, satellite, fiber, and MPLS, enhancing uptime and reliability.

● Enhanced IT operations by optimizing team performance and first-call resolution, boosting network reliability for mission-critical services.

● Deployed a real-time performance matrix that drove service improvements and proactive issue resolution.

● Optimize IT operations by enhancing team performance, implementing first-call resolution strategies, and improving network reliability to support mission-critical services.

● Integrated robust cybersecurity measures into network operations, elevating compliance with industry standards.

The City of Miramar Miramar, FL

Network Manager Nov 2003 - Aug 2022

● Managed network operations with a team of two and a $1M+ budget to support critical IT infrastructure for multiple city departments.

● Architected resilient voice and data networks, ensuring high availability and operational continuity for emergency services.

● Implemented cost-saving measures by transitioning voice services to cut expenses by

$100K in three years and upgrading backbone networks to save $1.5M over five years.

● Directed IT projects such as a $1.6M Cisco deployment and citywide Wi-Fi enhancements, yielding over $60K in annual savings.

● Supported major capital projects, including a new City Hall, achieving 99%+ uptime while optimizing performance, security, and cost efficiency.

● Evaluated cloud computing solutions to enhance scalability and reduce hardware dependency.

Robert Half International Consultants Miramar, FL

(Contract) Apr 2003 - Nov 2003

● Delivered technical expertise for infrastructure modernization, rebuilding City Hall and upgrading network systems for Police and Fire Stations. Education

Grumman Data Systems March 1986 – May 1986

Technical Certificate, Computer Programming

Nassau Community College

Data Processing

Certifications

Novell Certified Engineer

Novell

IManage Certified System Engineer / iManage Certified InfoCommerce Engineer IManage

Synoptics Optivity

Synoptics

Certificate of Programming

Grumman Data Systems

FEMA ISS 100,200,300 and 700 certificates

FEMA

Microsoft: NT Server, Workstation, Windows Terminal Server, Visual Basic Microsoft

HP Openview

HP

Lotus Notes Administration

Lotus

Citrix Metaframe

Citrix

Web site development concepts

Unix use and operations

Hummingbird DOCS Open Document Management

Hummingbird

Cisco CCENT

Cisco

Cisco CCNA Router and Switching

Cisco

Cisco CCNA Security

Cisco

CNSS 4011

Lean Six Sigma Yellow belt

Skills

Cloud & Infrastructure: Cloud computing, IT infrastructure, Network infrastructure, Cloud platforms IT Management & Operations: IT service management, Vendor management, Budget management, System administration, Enterprise architecture Security & Compliance: Cybersecurity, ITIL

Leadership & Strategy: Digital transformation, Project Management, Lean Six Sigma Yellow belt

Contact this candidate