Network Infrastructure Engineer

Position Summary:The Network & Infrastructure Engineer is responsible for the design, implementation, configuration, operation, monitoring, maintenance, and troubleshooting of AIGC’s, Client’s, and project’s network and IT infrastructure.The position supports enterprise network infrastructure, firewalls, servers, virtualization, storage, backup and disaster recovery, cloud infrastructure, cybersecurity controls, and infrastructure monitoring across on-premises, cloud, and project environments.The role will work closely with IT, Cybersecurity, Cloud, Application, and Project Delivery teams to ensure that infrastructure environments are secure, reliable, scalable, highly available, and aligned with business and project requirements.The position will also support the planning and deployment of Development, QA, UAT, and Production environments and contribute to infrastructure documentation, operational readiness, and disaster recovery activities.Duties & Responsibilities2.1 Network InfrastructureDesign, implement, configure, and maintain LAN/WAN network infrastructure.Configure and maintain switches, routers, wireless access points, and related network devices.Configure and manage VLANs, trunking, STP, routing, IP addressing, DNS, DHCP, and TCP/IP services.Monitor network performance, availability, capacity, and utilization.Troubleshoot network connectivity, performance, and configuration issues.Perform network upgrades, expansions, and technology refresh activities.Maintain network diagrams, IP addressing documentation, configuration records, and operational procedures.Support wired and wireless infrastructure for corporate and project environments.Ensure network infrastructure is designed and operated according to approved security and architecture standards.2.2 Firewall & Network SecurityConfigure and administer next-generation firewalls (NGFW).Implement and maintain firewall policies, NAT, VPNs, security rules, and access controls.Support IPS/IDS, network segmentation, DMZ, and secure remote-access solutions.Implement appropriate controls to protect infrastructure against unauthorized access and security threats.Support secure IT/OT connectivity and segmentation where required.Review firewall and network security configurations periodically.Work with cybersecurity teams to investigate and resolve security alerts and vulnerabilities.Support security hardening and compliance requirements.2.3 Server & Operating System AdministrationInstall, configure, maintain, and troubleshoot Windows and Linux servers.Perform initial server configuration, including RAID configuration, OS installation, and system readiness.Administer Active Directory, DNS, DHCP, Group Policy, IIS, and related infrastructure services.Perform server patching, updates, hardening, and configuration management.Monitor server health, performance, availability, and capacity.Support server migrations and infrastructure upgrades.Ensure servers comply with approved security baselines and operational standards.2.4 Virtualization & Data Center InfrastructureConfigure and maintain virtualization platforms, including Microsoft Hyper-V and/or VMware.Support virtual machine provisioning, configuration, migration, and lifecycle management.Support high-availability and fault-tolerant infrastructure environments.Monitor virtualization hosts, virtual machines, and resource utilization.Support storage integration and virtualization infrastructure.Participate in infrastructure capacity planning and resource optimization.2.5 Storage, Backup & Disaster RecoveryMaintain and monitor storage infrastructure and associated services.Configure and monitor backup and recovery solutions.Perform backup verification and periodic restore testing.Support replication and redundancy mechanisms.Participate in disaster recovery planning, testing, and execution.Support infrastructure recovery activities during incidents.Maintain appropriate documentation for backup, recovery, and DR procedures.Support high-availability and business continuity requirements.2.6 Cloud InfrastructureSupport the deployment and administration of infrastructure on cloud platforms such as GCP, Azure, and/or AWS.Configure cloud networking, compute, storage, security, and connectivity services.Support hybrid connectivity between on-premises and cloud environments.Monitor cloud infrastructure performance, availability, and resource utilization.Support cloud backup, redundancy, availability, and disaster recovery solutions.Assist with cloud migration and infrastructure optimization activities.2.7 Monitoring & IT OperationsMonitor infrastructure health and availability.Use infrastructure and network monitoring tools to identify issues proactively.Investigate incidents and perform troubleshooting and root-cause analysis.Respond to infrastructure incidents within defined service levels.Perform preventive maintenance activities.Identify recurring infrastructure issues and recommend corrective actions.Maintain operational dashboards and infrastructure health reports.2.8 Cybersecurity & ComplianceImplement infrastructure security controls and approved security baselines.Support vulnerability assessment, patch management, and remediation activities.Perform server and network hardening.Support compliance with organizational security policies and applicable regulatory requirements.Maintain infrastructure security documentation.Collaborate with cybersecurity teams on security incidents, vulnerabilities, and remediation activities.Support implementation of network segmentation, zero-trust principles, and other security controls where applicable.2.9 Project DeliverySupport infrastructure activities throughout the project lifecycle from design through implementation and handover.Review infrastructure requirements and prepare technical recommendations.Support infrastructure sizing, BOM preparation, and technical specifications.Install and configure infrastructure components for project environments.Prepare and maintain Development, QA, UAT, and Production environments.Coordinate infrastructure activities with Project Delivery, Application, Cybersecurity, and other technical teams.Prepare installation, configuration, operation, and troubleshooting manuals.Participate in project testing, commissioning, handover, and operational readiness activities.2.10 DocumentationMaintain accurate infrastructure documentation.Develop and update network diagrams and topology documentation.Maintain server, firewall, virtualization, storage, and cloud configuration records.Prepare installation and configuration procedures.Document incidents, troubleshooting activities, and resolutions.Maintain disaster recovery and business continuity documentation.Ensure documentation is updated following infrastructure changes.3. Required Technical CompetenciesNetworkingStrong knowledge of TCP/IP, IPv4/IPv6, VLANs, routing, switching, STP, DNS, and DHCP.Strong understanding of LAN/WAN architecture.Experience with enterprise wired and wireless networks.Experience with network troubleshooting and diagnostic tools.Ability to read and develop network topology diagrams.Network SecurityStrong knowledge of firewall administration.Experience with Fortinet, Cisco, or equivalent security technologies.Knowledge of VPN, NAT, IPS/IDS, DMZ, network segmentation, and security policies.Understanding of network security principles and infrastructure hardening.Servers & SystemsWindows Server administration.Linux administration, preferably Ubuntu/Red Hat or equivalent.Active Directory, DNS, DHCP, Group Policy, and IIS.Server hardware, RAID, OS installation, and system hardening.VirtualizationMicrosoft Hyper-V and/or VMware.Virtual machine provisioning and migration.High availability and fault tolerance.Storage and virtualization integration.Storage & BackupKnowledge of enterprise storage systems.Backup and restore technologies.Replication and redundancy.Disaster recovery concepts and procedures.CloudWorking knowledge of GCP, Microsoft Azure, and/or AWS.Cloud networking, compute, storage, security, and availability.Hybrid infrastructure concepts.Automation & MonitoringPowerShell and/or Python scripting.Familiarity with infrastructure monitoring solutions.Familiarity with Grafana, Prometheus, Datadog, or equivalent monitoring platforms is an advantage.Understanding of infrastructure automation using tools such as Ansible or Terraform is an advantage.4. Required Behavioral CompetenciesStrong analytical and problem-solving skills.Strong troubleshooting and root-cause analysis capabilities.Attention to detail and accuracy.Ability to work independently and take ownership of assigned responsibilities.Ability to work effectively under pressure and during critical incidents.Strong communication and interpersonal skills.Strong technical documentation skills.Ability to collaborate effectively with cross-functional teams.Ability to manage multiple priorities and tasks.Commitment to information security and confidentiality.Customer-service-oriented approach to internal IT support.5. EducationMandatoryBachelor degree in Computer Science, Computer Engineering, Information Technology, Network Engineering, or a related technical discipline.PreferredMaster degree in a relevant technical field is an advantage.6. Professional ExperienceRequiredMinimum 5 years of relevant professional experience in network and infrastructure engineering.Hands-on experience in enterprise network administration.Experience in firewall configuration and network security.Experience with Windows and/or Linux server administration.Experience with virtualization platforms.Experience with infrastructure monitoring, backup, and disaster recovery.Experience supporting infrastructure projects from design through implementation.Experience preparing technical documentation and installation procedures.PreferredExperience in data center environments.Experience with high-availability infrastructure.Experience with Hyper-V/VMware clusters.Experience with cloud infrastructure.Experience with AI/ML or GPU-based infrastructure.Experience with enterprise cybersecurity and compliance requirements.Experience in industrial/OT environments.Experience with Infrastructure-as-Code and automation.7. Professional CertificationsPreferred / AdvantageousNetworkingCisco CCNA / CCNPCompTIA Network+CybersecurityCompTIA Security+Fortinet certificationOther recognized cybersecurity certificationVirtualizationVMware certificationMicrosoft virtualization/Hyper-V-related certificationCloudGoogle Cloud certificationMicrosoft Azure certificationAWS certificationIT Service ManagementITIL Foundation8. Working RelationshipsInternal StakeholdersIT / Infrastructure & OperationsCybersecurityProject DeliveryApplication / Software TeamsData / AI TeamsFinance / ProcurementBusiness DepartmentsExternal StakeholdersClient IT/OT TeamNetwork and infrastructure vendorsCloud service providersManaged service providersHardware suppliersTelecommunications providersTechnology consultants and project partners9. Working ConditionsFull-time position.Primarily office/datacenter/project sites.May require occasional travel to project sites and data centers.May require work outside normal business hours for planned maintenance, upgrades, emergency incidents, or disaster recovery activities.Participation in all on-call meetings for Projects, clarification, and site survey.Participation in an on-call or emergency support rotation may be required.