Summary
Overview
Work History
Education
Skills
Languages
Certification
Timeline
Generic

Florante Diaz

Summary

Dynamic professional with extensive experience in managing complex projects and cross-functional teams. Skilled in fostering collaboration among stakeholders, optimizing vendor partnerships, and implementing best practices in facilities management to drive operational efficiency.

Overview

34
34
years of professional experience
2
2
Certifications

Work History

Sr Project Manager/Building Facilities Manager

T-Mobile
Beltsville
09.2023 - Current

Key Responsibilities:

  • Led cross-functional teams to deliver complex projects on schedule.
  • Facilitated stakeholder meetings to align project goals and expectations.
  • Coordinated with vendors and partners for project deliverables.
  • Established best practices for managing complex projects successfully.
  • Liaised between senior management, project team members and clients to ensure effective communication throughout the duration of the project.

RAN:

  • Lead FOA readiness, feature trials, and RAN activations with the PMO and NERAN teams.
  • Support delivery of new radio features across regional markets.

Transport:

  • Manage acceptance testing for new MSO entry facilities.
  • Coordinate AAV (Comcast, Zayo, Cox, Lumen, Verizon, Fiberlight, UnitiFiber) integration and upgrades.

Core:

  • Support link capacity adds, decommissioning, and system upgrades across Ericsson MSS, MGW, RNC, BSC, Cisco transport layers, and virtual core nodes.
  • Coordinate migrations with zero customer-impacting outages.

Facilities:

  • Lead day-to-day operations of electrical, mechanical, security, monitoring, and fire systems.
  • Oversee building renovations, construction, drawing reviews, inspections, and corrective actions.
  • Partner with CFE&I to guide long-term facility planning.
  • Operate, monitor, and maintain mission-critical building systems, including chillers, Liebert CRAC units, Opticool cooling systems, HAC containment, mechanical cooling loops, electrical distribution, fire suppression, security, and building monitoring.
  • Oversee environmental control, redundancy, and uptime for data center spaces supporting switching, core, RAN, and transport systems.
  • Conduct facility inspections, equipment lifecycle management, corrective actions, and safety compliance.
  • Partner with CFE&I on long-term HVAC upgrades, cooling modernization, and data center infrastructure improvements.

Switch Operations Manager

T-Mobile
Beltsville
02.2011 - 09.2023

Key Responsibilities:

  • Built strong operational teams to meet process and production demands.
  • Managed staffing needs through recruitment, selection, onboarding and training, disciplinary action as necessary.
  • Directed operations staff by providing guidance, training, and support to meet company objectives.
  • Assessed employee development needs and provided feedback on their progress towards meeting goals.
  • Ensured compliance with safety regulations and maintained a safe work environment for all personnel.
  • Coordinated with other departments including sales, marketing, finance, human resources. to ensure efficient operations.
  • Collaborated with management team on long-term strategic planning initiatives for the organization.
  • Analyzed data from daily reports to identify trends in production performance metrics.
  • Improved morale and management communication by creating employee recognition and rewards practices.
  • Established effective relationships with vendors to negotiate pricing and secure materials needed for production.
  • Measured and reviewed performance via KPIs and metrics.
  • Prepared staff work schedules and assigned team members to specific duties.
  • Completed thorough opening, closing, and shift change functions to maintain operational standards each day.
  • Mitigated business risks by working closely with staff members and assessing performance.
  • Managed complete operations for RNCs, BSCs, MMEs, MSS, MGWs, PCFs, ATF/SBG, TAS, CSCF, SGW, and virtualized core nodes.
  • Oversaw Cisco-based transport across the Core/Distribution/Access layers.
  • Managed MAD router expansions, port upgrades, and integration of multiple AAV vendors.
  • Led all switch modernization efforts, scheduled maintenance, FOA support, and migration activities.
  • Directed outage bridges, vendor escalations, and end-to-end troubleshooting.
  • Administered performance management, hiring, training, evaluations, and career development.

Sr. Implementation Manager

Ericsson Communications
Honolulu
11.2010 - 02.2011
  • Coordinated project timelines and resources for successful deployment.
  • Managed stakeholder relationships to ensure project alignment and support.
  • Developed and implemented strategies for successful project implementations.
  • Organized meetings with clients to discuss project status and any changes needed.
  • Established clear communication channels between internal teams, vendors, and external customers.
  • Monitored progress of projects and identified risks or potential problems.
  • Prepared detailed project plans, incorporating activity definitions, task sequencing layouts, resource requirements, and timeframe estimates.

Switch Performance Manager

T-Mobile
Las Vegas
11.2005 - 04.2010
  • Led performance initiatives to enhance team productivity and service quality.
  • Developed training programs to improve employee skills and engagement levels.
  • Analyzed operational data to identify trends and recommend process improvements.
  • Collaborated with cross-functional teams to align performance goals with business objectives.
  • Mentored staff in effective performance management practices and strategies.
  • Provided feedback to employees on their performance, progress, and development needs.
  • Conducted regular meetings with employees to discuss performance objectives and expectations.
  • Identified potential staffing needs based on current and future business requirements.

Sr. Switch Technician

T-Mobile
Beltsville
05.2001 - 11.2005
  • Supported Ericsson MSC/BSC, ALU Call Servers, Nokia SGSNs, and transport systems.
  • Managed operation and maintenance for approximately 1,500 BTS/Node B sites.
  • Conducted routine maintenance on telecommunications equipment and systems.
  • Collaborated with engineering teams to implement system upgrades effectively.
  • Documented technical procedures and troubleshooting methods clearly for reference.
  • Trained junior technicians on best practices in switch operations and safety.
  • Assisted in developing preventative maintenance schedules for critical systems.
  • Monitored network traffic to ensure seamless communications across platforms.
  • Carried out regular testing on different types of switches in order to ensure their continued performance.
  • Resolved complex routing problems involving multiple subnets by implementing static routes when necessary.
  • Handled multiple simultaneous deployment projects against strict deadlines.

Switch Engineer (International Gateway Facility)

RSL Communications
Zurich
11.1999 - 03.2001
  • Developed maintenance schedules for equipment and systems reliability.
  • Documented processes and technical specifications for compliance and reference.
  • Provided support during the installation, maintenance, repair, and calibration of equipment.

Switch Engineer

Smart Communications
Makati, Metro Manila
05.1992 - 11.1999
  • Provided support during the installation, maintenance, repair, and calibration of Ericsson equipment.
  • Developed and implemented engineering strategies to improve production efficiency.
  • Coordinated activities with suppliers, contractors or other departments.
  • Performed testing to determine functionality or optimization.
  • Fulfilled orders by successfully planning, budgeting, and coordinating projects.

Education

Bachelor of Science - Electrical, Electronics And Communications Engineering

Saint Louis University
Philippines
03-1989

Skills

  • Project management
  • Stakeholder engagement
  • Facilities management
  • Risk assessment
  • Vendor coordination
  • Telecommunications infrastructure
  • Cross-functional collaboration
  • Team mentorship and leadership
  • Strategic technical planning
  • Modernization execution
  • Vendor and stakeholder management

Languages

English
Professional
Filipino Tagalog
Professional

Certification

Predictive Project Management

Timeline

Sr Project Manager/Building Facilities Manager

T-Mobile
09.2023 - Current

Switch Operations Manager

T-Mobile
02.2011 - 09.2023

Sr. Implementation Manager

Ericsson Communications
11.2010 - 02.2011

Switch Performance Manager

T-Mobile
11.2005 - 04.2010

Sr. Switch Technician

T-Mobile
05.2001 - 11.2005

Switch Engineer (International Gateway Facility)

RSL Communications
11.1999 - 03.2001

Switch Engineer

Smart Communications
05.1992 - 11.1999

Bachelor of Science - Electrical, Electronics And Communications Engineering

Saint Louis University