Roberto Liarth

Impact:

• Up to 380 reports (court evidence) produced per year
• The budget for 2023 was U$300,000
• 8 prisons and dozens of lives saved

My responsibilities:

• Utilize Matlab for simulations in elucidating dozens of crimes using science techniques
• Leverage Python for tasks such as authenticating artwork using X-ray and infrared technology (Bruker equipment)
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• Forensic Analysis of Brazilian
• Paintings of the 20th Century by
• Physicochemical Techniques
• Analysis of brazilian paintings of the 20th century: Suspects and authentics through in situ and Non-
• Invasive techniques
• Demonstrate proficiency in the Google workplace for collaborative projects related to the valuation of precious metals and intangible property (counterfeiting)
• Apply Microsoft Office and Excel for tasks including collecting and analyzing smartphone and computer data using Cellebrite
• Employ critical thinking and mathematical calculations to determine the cause of car accidents
• Utilize computer engineering principles in the search and characterization of theft of energy, TV, and internet signals
• Assess and value environmental and property damage with proficiency in
• Microsoft Office, including Excel
• Conduct thousands of drug tests and analyze their positivity
• Gather evidence at a hundred homicide scenes, determining the cause of death, and conducting forensics trauma analysis
• Collect DNA and other trace elements at the crime scene
• Apply expertise in firearms identification, caliber, and forensic ballistic analysis
• Execute investigations and operations against criminal organizations and drug traffickers, utilizing Python for data analysis and Microsoft Office for reporting and documentation.

Impact:

• Designed and executed more than 3 submarine cable network projects and 2
• POP
• Collaborated with 5-person project management teams and site contractors to implement telecommunication solutions
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• Oversaw $2.1M colocation, data center, and HVAC plant upgrade projects
• Led 10-person teams to maximize capacity and space to meet the new customer demands of 5 companies
• Managed over 1200 fiber connections and 68 EDFAs submarine repeaters, with up to 1 Terabit of capacity in a company with U$8.3 billion in revenue in

My responsibilities:

• Demonstrate proficiency in Linux, Troubleshooting, Routing, TCP/IP, and
• Network Design for efficient operation
• Prepare technical requirements and specifications for key network platforms and emerging technologies
• Utilize data analysis techniques to pinpoint and address root causes of network and tooling issues
• Participate in an on-call rotation with your engineering team and serve as a point of contact for escalating service incidents;
• Possess expertise in Data Centers, Optical Networks, Fiber Optics, DWDM
• WDM, ROADM, and Fiber Optics Network technologies
• Provide maintenance and operation for SDH/DWDM/OTN, IP/MPLS, and
• Supervision Systems in various vendors (Alcatel/Lucent/Nortel/Infinera/Cisco/
• Datum/Ciena/Padtec) along with all infrastructure components installed at the submarine Rio Cable Station;
• Familiarity with TCP/IP, IPv6, and routing protocols such as BGP, OSPF, IS-
• IS, or similar;
• Design, deploy, and manage Level 3 diverse backbone and edge networks involving multiple vendors;
• Formulate strategies for executing network construction, migration, and decommissioning operations in production environments;
• Proficient in Network Services, Network Infrastructure, Network
• Troubleshooting, Optical Communications, Network Implementation, Page 3 of 7
• Virtualization, Wireless Technologies, Project Planning, Strategic Planning
• Exchange Connectivity, VOIP, and Test Scripts.

• Providing Technical Support for Deployment and Operations, coordinating technical solutions and logistics to ensure seamless network implementation
• As the prime consultant to management and lead engineer on projects, prioritize proper documentation, training, and turnover to production
• Manage all infrastructure components such as Power, HVAC, and Security
• Systems installed at submarine Cable Stations
• Implement, oversee, and sustain diverse critical infrastructure networks, utilizing my expertise in Network Engineering and Administration
• This spans multiple vendors and protocols, encompassing all Globalcrossing network sites, including data centers and Points of Presence (POPs)
• Proficiency extends to troubleshooting issues related to networking systems and platforms, encompassing IP, Optical, web servers, load balancers, and storage systems
• Worked in an on-call rotation with your engineering team and serve as a point of contact for escalating service incidents using Virtual Private Network (VPN) configuration and management
• Prioritizing Customer Service for enhanced client satisfaction, Quality of
• Service (QoS) and Quality Assurance for optimal network performance
• Applying Problem Solving skills to address complex technical challenges
• Conducting in-depth Root Cause analysis to identify and address underlying issues, complete fault management coordinate by NOC fulfilling SLA
• Effective Project Management for successful execution and delivery during the cable fault or cable cut
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• Expertise in Outside Plant operations for robust network infrastructure
• Operate Low Latency networks for enhanced efficiency
• Coordinating Interconnectivity between diverse network elements and diverses backbones and clients
• Utilizing OTDR, COTDR, OSA and network analyser for precise network diagnostics and Testing to validate network integrity and performance
• Conducting Land Surveying for optimal network placement and performance.