NewDistributed Antenna System (DAS) Installer Advanced Telecom SystemsDistributed Antenna System (DAS) InstallerTampa, FLWe offer the following cellular and public safety DAS services: Carrier Coordination - Consulting Services - iBwave Design Services - Physical Site Surveys - Public Safety Grid Testing - Public Safety Permitting (PE Sign and Seal) - RF Data Collection - System Commissioning and Optimization - System InstallationCompany DescriptionAdvanced Telecom Systems (ATS) specializes in turnkey solutions for public safety and cellular DAS, offering design, installation, maintenance, and testing services. We offer the following cellular and public safety DAS services: Carrier Coordination - Consulting Services - iBwave Design Services - Physical Site Surveys - Public Safety Grid Testing - Public Safety Permitting (PE Sign and Seal) - RF Data Collection - System Commissioning and Optimization - System Installation
Telecommunications Strategy Senior Manager Accenture PlcTelecommunications Strategy Senior ManagerSt. Petersburg, FLLead transformative engagements that reimagine how telecommunications companies operate - championing customer value management frameworks, AI-first network operations, and data-driven commercial models that deliver measurable, year-over-year performance gains. The Work: Apply deep Telecommunications expertise to help clients rethink their growth and profitability strategies - from redefining consumer and enterprise go-to-market models to designing AI-native network and service platforms that create lasting competitive moats.
Telecommunications Engineer 2 (Tampa, FL) M.C. Dean IncTelecommunications Engineer 2 (Tampa, FL)Tampa, FLCoordinating communication connectivity requirements to include backbone and interrack cabling, work area outlet types, cabling media and connector types, system topology, and device locations with the Data and Wireless Networking, Audio Visual, Security, Mechanical, Electrical, and other stakeholders. Mission Critical Telecommunications Engineer 2. The Mission Critical Telecommunications Engineer 2 position involves the design, coordination, and implementation of telecommunication structured cabling systems for high density Artificial Intelligence (AI) driven data centers.
Telecommunications Engineer 1 (Tampa, FL) M.C. Dean IncTelecommunications Engineer 1 (Tampa, FL)Tampa, FLInterpretting details in Shop Drawings to ensure the field installers can mount and assemble the devices, confirming test procedures are clearly defined in commissioning plans to ensure the field installers can perform the tests accurately, identifying the products on site match the product data submittal for the field to build with, etc.). Interpretting device layouts in Shop Drawings to ensure the project scope is clear, confirming test requirements in commissioning plans are clearly identified to ensure the correct tests will be performed, identifying the products needed to ensure the correct products are being purchased, etc.).
Technical Specialist 2 (Telecommunications) - Tampa, FL M.C. Dean IncTechnical Specialist 2 (Telecommunications) - Tampa, FLTampa, FLDevelop, respond to, and maintain various project documents including, but not limited to, Requests for Information (RFI), criteria compliance matrices (CCM), Technical Reference Library (TRL), Drawing Design Log (DDL), labeling plans, testing plans, project specifications, cable run lists, test results, construction drawings, design studies, test results, and various other project deliverables and documentation. The Technical Specialist 2 (Telecommunications) shall also create, maintain, and manage various engineering planning documentation including but not limited to design document logs, engineering schedules, technical reference libraries, criteria compliance matrices, and other soft documents to support the design and construction of the project.
Communications Technician 2 - Tampa, FL M.C. Dean IncCommunications Technician 2 - Tampa, FLTampa, FLCandidates must demonstrate physical strength and stamina to perform various tasks, including but not limited to, loading, and unloading, operating equipment, and assisting in the transportation of various materials. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Senior Deskside Support Technician Safelite Group, Inc.Senior Deskside Support TechnicianLakeland, FLResponds to and documents incidents / requests within the ticketing system, working through to completion providing status updates to customers, Service Desk associates and management as needed. The responsibilities range from installation, diagnosing, repairing, maintaining, and upgrading computer hardware, software, peripherals, and equipment to ensure optimal workplace performance.
Join Peraton Build the network that powers Florida''s future. Peraton IncJoin Peraton Build the network that powers Florida''s future.Tampa, FL$104,000–$166,000 / yearThis program will modernize Florida's critical telecommunications backbone, supporting 22+ million residents, public safety agencies, schools, utilities, and essential government services across the state. We are seeking experienced professionals in Network Operations, Network Security Engineering (NOC/SOC), and Project Managers and Project Coordinators to support this long-term, high-visibility program.
Field Technician Adex CorporationField TechnicianTampa, FLEXPERIENCE and QUALIFICATIONS: " Vocational Skills and procedural knowledge, typically gained through a combination of education and relevant experience totaling up to 2 years post-high school or equivalent. Interpret the alarm conditions on the network to proactively identify and implement repairs and restoration plans to ensure minimal service disruption and impact to customer.
Sr. Network Technician - St. Petersburg, FL Johns Hopkins HospitalSr. Network Technician - St. Petersburg, FLSt. Petersburg, FLInstall, maintain, and support videoconferencing, audio-visual, and satellite TV systems; perform moves/adds/changes for phones and network jacks; troubleshoot VoIP and analog lines; and coordinate vendor circuit installs and repairs. Diagnose and troubleshoot moderately complex network, device, and data-communications issues; install, replace, configure, and validate network hardware, software, cabling, and switches; and participate in technical discussions on infrastructure enhancements.
Field Technician Level 3 Adex CorporationField Technician Level 3Tampa, FLField Technician Level 3. Job Description: A senior-level telecommunications professional responsible for leading complex installations, maintenance, and decommissioning of telecommunications infrastructure, such as in Central Offices, data centers, and other network environments. Testing and Troubleshooting: Conduct optical, power, and network element testing, using tools like OTDR and BER testers, and troubleshoot issues independently.
Field Technician Level 2 Adex CorporationField Technician Level 2Tampa, FLKey duties include adding/removing common systems equipment and wiring connections on non-working equipment, performing circuit modifications, and potentially leading Skill Level 1 and 2 Installers. Job involves performing additions, removals, and modifications to telecommunications equipment and wiring without supervision, including analyzing job specifications, resolving drawing issues, and performing in-process and final quality inspections.
Field Technician Level 1 Adex CorporationField Technician Level 1Tampa, FLPosition involves performing basic, often supervised, installation and maintenance tasks in telecommunications central offices, focusing on the physical aspects like running cables, racking equipment, and initial site preparation. This level requires familiarity with basic tools and equipment, the ability to work under direction, perform continuity testing, maintain clean work areas, and adhere to safety procedures.
Exterior Services Technician, DOT Operator - DS Walmart IncExterior Services Technician, DOT Operator - DSPlant City, FL$19–$35 / hourHold a valid state-issued driver's license for at least 3 years with a clean driving record and ability to pass a Motor Vehicle Record (MVR) report. Safely operates a combination motor vehicle of 10,000 lbs to 26,000 lbs, requiring valid driver's license or certification.
Customer Service Representative | Mobile Repair SPECTRUMCustomer Service Representative | Mobile RepairSt. Petersburg, FLExperience: 6+ months of customer service experience; 6+ months of working with software applications; 6+ months of high-volume phone experience in customer service or a call center; 6+ months of working in cable operations, mobile, or telecommunications call center. Interacting with customers through inbound calls to resolve a variety of topics, including mobile service activation, billing questions, rate and fee inquiries, order and payment processing, account updates, subscriber challenges, and more.
Traffic Operations Technician Iteris IncTraffic Operations TechnicianTampa, FL$20–$24 / hourThe Almaviva Group designs, implements, and manages advanced technological solutions and systems and related logistics structures for companies and public administrations operating in a variety of sectors, including, but not limited to, transport, logistics, agriculture, digital health, defense and security, energy, utilities, financial services, industry, telecommunications, and media. As a pioneer in intelligent transportation systems technology, Iteris' advanced detection sensors, mobility and traffic data, software-as-a-service offerings, and consulting services represent a comprehensive range of mobility infrastructure management solutions that serve customers in the United States and internationally.
Traffic Operations Technician II Iteris IncTraffic Operations Technician IITampa, FL$23–$25.75 / hourThe Almaviva Group designs, implements, and manages advanced technological solutions and systems and related logistics structures for companies and public administrations operating in a variety of sectors, including, but not limited to, transport, logistics, agriculture, digital health, defense and security, energy, utilities, financial services, industry, telecommunications, and media. As a pioneer in intelligent transportation systems technology, Iteris' advanced detection sensors, mobility and traffic data, software-as-a-service offerings, and consulting services represent a comprehensive range of mobility infrastructure management solutions that serve customers in the United States and internationally.
Branch Manager (Service Center Operations / RF Communications / Customer Relations) – Tampa GATESOURCE HRBranch Manager (Service Center Operations / RF Communications / Customer Relations) – TampaTampa, FLThe Branch Manager is the primary point of contact for customers within the assigned service area, overseeing a team that includes Radio Frequency (RF) Technicians, administrative staff, and other support personnel. This role ensures the service center operates efficiently, meeting response time goals and delivering exceptional quality for both on-demand and contract services.
Fire Alarm Service Technician MCS of TampaFire Alarm Service TechnicianTampa, FLFull timeThis service-focused role requires strong technical knowledge, the ability to work independently in the field, and effective communication with customers, Authorities Having Jurisdiction, and internal teams to ensure system reliability, code compliance, and customer satisfaction. General office equipment includes but is not limited to PCs/laptops, telephones, copiers, servers, switches, routers, and other computer equipment that supports the network environment.
Instrumentation Technician Process Controls & InstrumentationInstrumentation TechnicianTampa, FloridaSUMMARY:Under limited supervision, installs, tests, and repairs instrumentation systems utilized by production equipment to ensure adherence to established performance levels and product quality. Entering and retrieving information from computers using a variety of computer input devices (including uploads/downloads of PLCs and Ovation process controller units).
Technician II TransCore Partners LLCTechnician IITampa, FLInstallation, preventive and corrective maintenance of equipment to include PC based computers, video surveillance equipment, network communications equipment, radio equipment, Closed-Circuit Television (CCTV) and Microwave Vehicle Detection System (MVDS) units, and Dynamic Message Signs (DMS). While performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel; reach with hands and arms; climb or balance; lifting, twisting, bending, stoop, kneel, crouch, or crawl and talk or hear.
Now Hiring IT and Telecom Field Technicians Hardy IndustriesNow Hiring IT and Telecom Field TechniciansLargo, FloridaHardy Industries puts into practice years of providing Technical services to institutions and business' ranging from Retail to Telecommunications and brings new versions of these services to you with a new twist. This role goes far beyond basic helpdesk tasks — one day you might be installing an operating system, the next you're drilling through walls and running structured cabling across entire buildings, or terminating a 66-block.
NewNetwork Planning Engineer (Telecom Circuit Design) Adex CorporationNetwork Planning Engineer (Telecom Circuit Design)Tampa, FLA Network Planning Engineer’s (Telco Engineer) role will be a crucial part in evaluating, planning, and implementing a cutting-edge telecommunications network design tailored to mission-critical needs. Domain knowledge of the Telecommunications industry, including carrier services, provisioning terminology, CISCO routers and network infrastructure and IP technologies such as Pseudo Wire and Ethernet switching.
Installation Tech III TrueNet Communications IncInstallation Tech IIITampa, FLEssential Position Functions: • Has technical proficiency of structured cabling, installation of total integrated voice and data systems, keysystems, networks, and wireless. • Perform installation and maintenance of equipment installations, central office equipment including: iron work, AC, transport equipment, and all infrastructures.
Installation Tech IV TrueNet Communications IncInstallation Tech IVTampa, FLEssential Position Functions: • Has technical proficiency of structured cabling, installation of total integrated voice and data systems, keysystems, networks, and wireless. • Perform installation and maintenance of equipment installations, central office equipment including: iron work, AC, transport equipment, and all infrastructures.
Traffic Operations Specialist Iteris IncTraffic Operations SpecialistTampa, FL$57,600–$64,200 / yearThe Almaviva Group designs, implements, and manages advanced technological solutions and systems and related logistics structures for companies and public administrations operating in a variety of sectors, including, but not limited to, transport, logistics, agriculture, digital health, defense and security, energy, utilities, financial services, industry, telecommunications, and media. As a pioneer in intelligent transportation systems technology, Iteris' advanced detection sensors, mobility and traffic data, software-as-a-service offerings, and consulting services represent a comprehensive range of mobility infrastructure management solutions that serve customers in the United States and internationally.
Storm Recovery Technicians Triage-PartnersStorm Recovery TechniciansTampa, FLContractorWith storm season upon us, we are looking for traveling 1099 Fiber, Copper, and Combo Technicians to join us in restoring service for our customer during disaster recovery initiatives across the southeast U.S. We offer highly competitive hourly rates and per-diem. As a Combo Technician, you will install, repair, and maintain telecommunications equipment, specializing in fiber optics, IR-POTS, and DSL technologies.
Utility Locator USIC Locating Services, Inc.Utility LocatorClearwater, FLWe are America's leader in underground utility damage prevention and advanced infrastructure services, performing more than 84 million locates each year for the more than 1,400 telecommunications, electric, gas, water, and sewer utilities and municipalities we serve nationwide. Your Responsibilities as a Locator: Correctly, safely, and efficiently locate underground utilities, including telecommunications, electric power, cable TV, gas, water, and sewer systems.
Senior Account Executive, Commercial Services IQ FiberSenior Account Executive, Commercial ServicesSt. Petersburg, FLFull timeBecause the internet is now the heartbeat of our homes and an essential tool for business, it should run without interruption or stress IQ Fiber was created to offer 100% fiber-optic fast internet, transparent pricing, and attentive customer service to deliver a Smarter internet experience. As a key driver of commercial services growth, the Senior Account Executive will focus on adding new monthly recurring revenue (MRR) while maintaining relationships at a very senior level across all large accounts.
Home Infusion Pharmacy Intake Coordinator (Largo, FL) Capstone HealthHome Infusion Pharmacy Intake Coordinator (Largo, FL)Seminole, FL$22–$24 / hourThe Home Infusion Intake Coordinator supports the referral-to-start-of-care process by completing insurance benefit verification, documenting payer requirements, estimating patient financial responsibility, and coordinating communication with patients and both internal and external departments. Capstone Health, LLC dba Capstone Vital Care is a proud franchise of Vital Care Infusion Services, Inc., a recognized leader in home infusion therapy across Alabama, Florida, Georgia, Indiana, Kentucky, Michigan, Mississippi, and Ohio.
High-Volume Technical Recruiter - Telecom Triage PartnersHigh-Volume Technical Recruiter - TelecomTampa, FloridaMake an Impact Where It MattersIf you’re a recruiter who thrives on finding the hard-to-find and wants to play a key role in building the workforce behind nationwide telecom projects, we want to hear from you. What You BringWe’re looking for a recruiter who knows how to hunt for talent, not wait for it:2–5+ years of recruiting experience, with a focus on telecommunications, construction, or skilled trades.
Customer Project Specialist I Leviton Manufacturing Co IncCustomer Project Specialist ISt. Petersburg, FLEffectively convey product information and Network Solutions policies to customers (E.g., minimum billing, shipping schedules, returns, etc.) Initiate solutions and corrective actions for customer issues regarding varying topics (E.g., incorrect data entry, late or incorrect product shipment, pricing, etc.). About the role This position focuses on logistic support of customer service projects, including, but not limited to, entering orders, responding to phone calls, participating in the phone queue, providing pricing information and communicating on order status.
Customer Project Specialist I (Hourly) Leviton ManufacturingCustomer Project Specialist I (Hourly)St. Petersburg, FloridaOverview: This position focuses on logistic support of customer service projects, including, but not limited to, entering orders, responding to phone calls, participating in the phone queue, providing pricing information and communicating on order status. Responsibilities: Communicate effectively and professionally with internal and external customers, especially within the phone queue and email while answering customer questions on lead time, pricing and order status.
High-Volume Technical Recruiter - Telecom Triage-PartnersHigh-Volume Technical Recruiter - TelecomTampa, FLFull timeMake an Impact Where It MattersIf you’re a recruiter who thrives on finding the hard-to-find and wants to play a key role in building the workforce behind nationwide telecom projects, we want to hear from you. What You BringWe’re looking for a recruiter who knows how to hunt for talent, not wait for it:2–5+ years of recruiting experience, with a focus on telecommunications, construction, or skilled trades.
UPS Tech 4 - Tampa, FL M.C. Dean IncUPS Tech 4 - Tampa, FLTampa, FLThe Critical Power Group also provides engineering and technical support to customers and other divisions of M.C. Dean, Inc. ### Installation and Repair of Static Switch and PDU Systems. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems.
UPS Tech 3 - Tampa, FL M.C. Dean IncUPS Tech 3 - Tampa, FLTampa, FLThe Critical Power Group also provides engineering and technical support to customers and other divisions of M.C. Dean, Inc. ### Installation and Repair of Static Switch and PDU Systems. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems.
NewCall Center Sales and Business Development Agent - Verizon - 6/29 OneTouch DirectCall Center Sales and Business Development Agent - Verizon - 6/29Brandon, FL$30,000–$60,000This role combines customer service excellence with dynamic sales opportunities, offering you the chance to represent a leading telecommunications brand while supporting customers and business operations. OneTouch Direct is seeking motivated and energetic individuals to join our team as a Call Center Sales Agent for Verizon.
Call Center Sales and Business Development Agent - Verizon - 6/22 OneTouch DirectCall Center Sales and Business Development Agent - Verizon - 6/22Brandon, FL$30,000–$60,000This role combines customer service excellence with dynamic sales opportunities, offering you the chance to represent a leading telecommunications brand while supporting customers and business operations. OneTouch Direct is seeking motivated and energetic individuals to join our team as a Call Center Sales Agent for Verizon.
Direct Sales Advisor IQ FiberDirect Sales AdvisorSaint Petersburg, FloridaThe Direct Sales Advisor is a hands-on, in the field role to meet residential customers face to face (including door knocking, event marketing, and outbound calling) within your assigned area. We are looking for friendly, self-driven, honest, and caring sales representatives to help us bring IQ Fiber’s fast, smart internet service to community members.
IT Hosp Contact Center Operator - Orlando Health - Bayfront - Full Time Orlando Health VenturesIT Hosp Contact Center Operator - Orlando Health - Bayfront - Full TimeSt. Petersburg, FLKey Responsibilities Answer and process high-volume calls with professionalism and accuracy Dispatch and coordinate codes, trauma calls, and emergency notifications Monitor alarm systems and notify appropriate personnel in real time Transfer calls using warm handoffs Utilize systems to process messages, work orders, and service requests Page physicians and on-call personnel as needed Initiate overhead announcements clearly and accurately Support 24/7 operations, including nights, weekends, and holidays Follow all Orlando Health policies and emergency protocols (HICS) Additional Responsibilities Maintain on-call schedules Participate in training and professional development Support compliance and continuous improvement Qualifications Education High School Diploma or equivalent Experience Call center or customer service experience preferred Licensure None required What We're Looking For Strong communication and multitasking skills Ability to stay calm in high-pressure situations Attention to detail and accuracy Flexibility with scheduling. This role plays a critical part in emergency response, call routing, and system monitoring.
Heavy Equipment Auction Inventory Coordinator Altec, Inc.Heavy Equipment Auction Inventory CoordinatorTampa, FLFull timeRelated equipment includes aerial units including bucket trucks, digger derricks & cranes; utility support equipment such as puller/tensioners, pole trailers & material trailers; forestry equipment including forestry buckets, chipper dumps, chippers, skidders & mulchers; construction & mining equipment such as excavators, skid steers, dozers, backhoes, air compressors, generators, equipment trailers & other related support equipment; farm equipment to include tractors, combines, headers, sprayers & implements. If you are seeking a culture of innovation and inclusivity, With non-repetitive days working outside in changing weather conditions, Where your hands-on ability and interest in equipment can result in a long-term career position, And if you are ready to join a nationwide team staffing dozens of auction lots across the country, Then, we want to meet you!
Director of Sales HEICO CorpDirector of SalesTampa, FLThe Director of Sales role is responsible for planning, directing, and coordinating Leader Techs global sales strategy by establishing sales territories, reviewing quotes, developing and monitoring goals, and establishing training programs for sales representatives. This role drives revenue growth, expands market share, and develops strategic relationships with key OEMs, contract manufacturers, and distribution partners across industries including aerospace, defense, telecommunications, medical devices, and consumer electronics.
Safety Professional, Staff - Tampa, FL M.C. Dean IncSafety Professional, Staff - Tampa, FLTampa, FLPosition Summary: The Safety Professional is responsible for oversight of Construction Project Safety, Health (S&H), and Risk Management, effectively managing multiple Safety programs, developing and implementing M.C. Dean site-specific project safety plans, and collaborating with Project Management in the implementation and leadership of the Operational Risk Management (ORM) process. Working knowledge of safe work practices, accident investigation techniques, Occupational Safety & Health Administration (OSHA), U.S. Department of Transportation (DOT) compliance, insurance audits, workers compensation, project health surveys, Activity Hazard Analysis (AHA), site emergency evacuation and first aid plans.
IT Hosp Contact Center Operator - Orlando Health - Bayfront Orlando Health Ventures l LLCIT Hosp Contact Center Operator - Orlando Health - BayfrontSt. Petersburg, FLKey Responsibilities Answer and process high-volume calls with professionalism and accuracy Dispatch and coordinate codes, trauma calls, and emergency notifications Monitor alarm systems and notify appropriate personnel in real time Transfer calls using warm handoffs Utilize systems to process messages, work orders, and service requests Page physicians and on-call personnel as needed Initiate overhead announcements clearly and accurately Support 24/7 operations, including nights, weekends, and holidays Follow all Orlando Health policies and emergency protocols (HICS) Additional Responsibilities Maintain on-call schedules Participate in training and professional development Support compliance and continuous improvement Qualifications Education High School Diploma or equivalent Experience Call center or customer service experience preferred Licensure None required What We're Looking For Strong communication and multitasking skills Ability to stay calm in high-pressure situations Attention to detail and accuracy Flexibility with scheduling. This role plays a critical part in emergency response, call routing, and system monitoring.
Business Account Executive Charter Communications IncBusiness Account ExecutiveTampa, FLBeyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach. Get to Know Us Charter Communications provides superior communication and entertainment products for residential and business customers through the Spectrum brand.
Senior Account Executive, Commercial Services IQ Fiber LLCSenior Account Executive, Commercial ServicesSt. Petersburg, FLBecause the internet is now the heartbeat of our homes and an essential tool for business, it should run without interruption or stress IQ Fiber was created to offer 100% fiber-optic fast internet, transparent pricing, and attentive customer service to deliver a Smarter internet experience. As a key driver of commercial services growth, the Senior Account Executive will focus on adding new monthly recurring revenue (MRR) while maintaining relationships at a very senior level across all large accounts.
Business Account Executive SPECTRUMBusiness Account ExecutiveSt. Petersburg, FLBeyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach. Get to Know Us Charter Communications provides superior communication and entertainment products for residential and business customers through the Spectrum brand.
EIT Mission Manager Science Applications International CorpEIT Mission ManagerFLThe USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. SAIC is seeking an EIT Mission Manager IT Service Management effort for the Joint Communications Service Element (JCSE) located at Macdill Air Force Base (AFB) in Florida.
Field Applications Engineer - Tampa, FL ViaSat IncField Applications Engineer - Tampa, FLTampa, FL$109,500–$164,500 / yearWorking knowledge of Linux/Unix operating systems and server virtualization technologies, as well as IP networking and equipment, including configuration, operation, and troubleshooting of routers, switches, security appliances, and traffic shapers. There will be no slow days as you will be responsible for daily operations of complex SATCOM hub assets and mobile airborne SATCOM terminals, providing local and remote support to terminal users.
Fiber Solution Architect Tata Consultancy Services LtdFiber Solution ArchitectTampa, FL$130,000–$145,000 / yearThis role bridges the gap between business objectives and technical implementation, ensuring the network is scalable, secure, and capable of supporting next-generation technologies like 5G, LTE, and IoT. The Mobile Network Architect is a high-level technical lead responsible for the end-to-end design, strategy, and evolution of mobile network infrastructure.