- Develop the design of the FTTH network infrastructure.- Carry out feasibility studies and site surveys.- Develop technical projects for the implementation of the fiber optic network.- Install and configure fiber optic equipment, such as OLTs (Optical Line Terminals) and ONTs (Optical Network Terminals).- Configure switches and routers as needed.- Lay and pull fiber optic cables on poles, underground ducts or other infrastructures.- Perform optical fiber fusions using fusion machines.- Perform attenuation and continuity tests on fiber optic cables.- Use OTDRs (Optical Time-Domain Reflectometers) to diagnose network problems.- Certify the quality of the installation in accordance with technical norms and standards.- Diagnose and correct faults in the fiber optic network.- Perform repairs on damaged fiber optic cables.- Maintain records of maintenance and repairs carried out.- Configure network management software.- Update firmware and software of network equipment as necessary.- Implement and monitor security measures to protect the network against unauthorized access.- Configure firewalls and other network security tools.- Provide technical support to customers to resolve network connectivity and performance issues.- Carry out technical visits to customers for installation and maintenance of FTTH services.- Maintain detailed documentation about the network, including network maps, technical specifications and test reports.- Generate periodic reports on network performance and maintenance activities.- Train new technicians and team members.

- Carry out the hiring and dismissal of employees.- Manage employment contracts.- Update work cards and employee records.- Prepare and process payroll.- Calculate salaries, overtime, additional hours, discounts and benefits.- Issue paychecks and payment receipts.- Manage benefits such as transportation vouchers, meal vouchers, health plan.- Control and update benefits granted to employees.- Negotiate and contract benefit providers.- Manage electronic time control systems.- Monitor and record employee attendance.- Resolve inconsistencies in time recording and monitor absence justifications.- Control the acquisitive period and granting of vacations.- Manage medical, maternity, paternity leaves.- Ensure compliance with labor legislation regarding vacations and licenses.- Calculate and collect social charges (INSS, FGTS, IRRF).- Issue and send mandatory declarations (GFIP, CAGED, RAIS, DIRF, eSocial).- Keep up to date with changes in labor and social security legislation.- Implement and manage performance evaluation processes.- Provide feedback.- Ensure compliance with the company's labor relations policies.- Collaborate with CIPA (Internal Accident Prevention Committee).- Implement occupational health and safety programs.- Monitor and record work accidents and occupational illnesses.- Prepare management reports on HR indicators, such as turnover and absenteeism.- Analyze data and provide insights for people management.- Keep records and files updated and organized.- Provide assistance and support to employees on issues related to the personnel department.- Clarify doubts about payroll, benefits, vacations.

- Serve customers and visitors, in person or by telephone.- Direct visitors and customers to the appropriate departments.- Provide information and clarify doubts.- Answer and direct phone calls.- Write down messages and forward them to recipients.- Organize and archive documents.- Scan, copy and print documents.- Maintain control of incoming and outgoing documents.- Control the stock of office supplies.- Request replacement of materials as necessary.- Distribute office supplies to employees.- Assist in the administrative activities of different departments.- Prepare reports, spreadsheets.- Conduct research and collect information to support administrative activities.- Organize and maintain physical and digital files.- Catalog and index documents to facilitate search and retrieval.- Guarantee the confidentiality and security of documents.- Support recruitment and selection processes, such as screening CVs and scheduling interviews.- Assist with benefits administration and time control.- Organize personnel documents and human resources files.- Assist in organizing corporate events, training and workshops.- Coordinate the registration and participation of employees in training.- Write and distribute internal communications.- Keep information boards up to date.- Help with the preparation of newsletters.- Assist in the installation and configuration of office equipment, such as computers and printers.- Solve basic IT problems.