Mick C. Marrero
Chandler
Summary
Dynamic Senior Network Engineer with a proven track record at NLETS, driving infrastructure modernization and security compliance. Expert in network architecture and team leadership, I successfully led initiatives that enhanced incident response and reduced costs by 30%, while fostering a culture of continuous improvement and collaboration across global teams.
Overview
23
23
years of professional experience
Work History
Senior Network Engineer
NLETS - National Law Enforcement Telecommunications System
Phoenix
08.2023 - Current
- Own end-to-end routing and security architecture (DMVPN, ACLs, firewalls, segmentation) supporting billions of annual criminal-justice transactions and strict availability expectations.
- Lead complex troubleshooting across routers, firewalls, VPN/DMVPN tunnels, and gateways, resolving routing, latency, and traffic-flow issues to protect mission-critical communication.
- Drove modernization initiatives, deploying Cisco ACI, refreshing Palo Alto firewalls, implementing network segmentation projects, and aligning OS upgrade strategies with long-term infrastructure roadmaps.
- Collaborated with technical leaders from multiple agencies to understand constraints and requirements, co-designing stable, scalable routing and connectivity solutions.
- Key technical engineer and operational leader at NLETS, the nationwide secure data-exchange network for law enforcement. Help lead the design, modernization, and secure operation of the infrastructure that allows U.S. states and territories, federal agencies, Canada, and Interpol to exchange critical public-safety information.
- Mentor junior and senior members of the Network Operations Center (NOC) - coaching on network fundamentals, troubleshooting methodology, and the deeper architecture of the Nlets environment.
- Guide the NOC through major incidents and post-incident reviews, reinforcing best practices and building a culture of ownership, learning, and continuous improvement.
- Maintain strong security and configuration standards by overseeing upgrades, version control, documentation, and compliance with CIS Controls IG1-IG3 and CJIS requirements.
- Contributed to strategic infrastructure planning for cloud interconnects, analytics pipelines, and future design initiatives.
Family Relocation & Caregiving (Career Break)
Chandler
11.2019 - 08.2023
- Relocated to Arizona, providing primary care for children during career break to prioritize family needs and facilitate smooth transition.
Global Infrastructure Engineer/Project Manager
Coty, Inc.
New York
01.2009 - 11.2019
- Led global engineering and network transformation initiatives across 40+ countries and two international data centers for a publicly traded, multi-product, multi-brand global consumer goods organization subject to diverse regulatory requirements across regions.
- Directed network transformation programs that standardized WAN/LAN across global sites, enabling scalable growth, M&A integration, and consistent user experience across multiple brands and product lines.
- Partnered with the CTO and global business and brand leaders to define and prioritize technology roadmaps, balancing innovation, risk, compliance, and cost with clear long-term outcomes.
- Expanded global IT Center of Excellence from 3-day SLAs to 24-hour coverage, enhancing incident response and business satisfaction worldwide.
- Expanded the global IT Center of Excellence from 3-day SLAs to 24-hour coverage, improving incident response, uptime, and business satisfaction worldwide.
- Developed global SOPs, escalation models, and governance frameworks, bringing order and consistency to operations and compliance across regions and brand portfolios.
- Reduced administration costs by 30% through vendor negotiation, contract consolidation, and optimization of support models in partnership with procurement and leadership.
- Led Meraki-based retail deployments to provide secure, reliable financial-system connectivity at distributed store locations supporting multiple brands.
- Mentored IT professionals worldwide, reducing Tier I/II escalations by 15% and building stronger, more self-sufficient regional teams.
Communications Specialist
EMI Music
New York
07.2003 - 01.2009
- Coordinated with vendors and internal teams to resolve network performance issues in North & Latin America.
- Evaluated vendor technology offerings and optimized WAN/LAN environments, enhancing performance and stability.
- Administered SecureID VPN accounts and remote user databases, ensuring reliable, secure remote access.
- Designed and configured enterprise telecom/datacom solutions supporting business operations across the Americas.
Education
Bachelor of Science - Information Technology
University of Phoenix
Tempe, AZSkills
- Network strategy and architecture
- Infrastructure modernization and cloud connectivity
- Governance standards and security compliance
- Team leadership and mentoring
- NOC development
- Incident and problem management
- Change management
- Cross-functional collaboration
- Executive stakeholder engagement
- Vendor and contract negotiation
- Cost optimization strategies
- Performance engineering
- Traffic and latency analysis
- Lifecycle management
- Forecasting and budget planning
- Network architecture design
- Security protocols implementation
- Troubleshooting techniques
- Project management expertise
- Compliance management practices
- Global IT strategy development
- Vendor relationship management strategies
- Internet Protocol Suite (TCP/IP)
- Wireless network design
Leadership Delivery
- Team & NOC Leadership
- Project / Program Management
- Executive & Stakeholder Communication
- Vendor Management & Negotiation
- Change Enablement & Governance
- Service Level & Customer Experience Focus
Practices Frameworks
- Packet & Traffic Analysis
- Network Monitoring
- Documentation & SOP Creation
- CJIS
- CIS Controls
Timeline
Senior Network Engineer
NLETS - National Law Enforcement Telecommunications System
08.2023 - Current
Family Relocation & Caregiving (Career Break)
11.2019 - 08.2023
Global Infrastructure Engineer/Project Manager
Coty, Inc.
01.2009 - 11.2019
Communications Specialist
EMI Music
07.2003 - 01.2009
Bachelor of Science - Information Technology
University of Phoenix