Job Title

About Aeris Communications Inc.For more than three decades, Aeris has been a trusted cellular IoT leader enabling the biggest IoT programs and opportunities across Automotive, Utilities and Energy, Fleet Management and Logistics, Medical Devices, and Manufacturing. Our IoT technology expertise serves a global ecosystem of 7,000 enterprise customers and 30 mobile network operator partners, and 90 million IoT devices across the world. Aeris powers today’s connected smart world with innovative technologies and borderless connectivity that simplify management, enhance security, optimize performance, and drive growth.Role OverviewAs an Senior/Engineer- Infrastructure, your role covers designing, deploying, and troubleshooting Linux systems, hypervisors, VMs (with live migration), Kubernetes clusters, and OpenStack environments. You are the SME ensuring the availability, reliability, security, and migration of the infrastructure stack, including secure SSH access and enterprise virtualization.ResponsibilitiesDesign, implement, and manage complex infrastructure: Linux systems, hypervisors (OLVM, Proxmox, KVM, VMware), virtual machines, Kubernetes clusters, and OpenStack clouds. Configure, secure, and troubleshoot Secure Shell Daemon), manage SSH keys, and enforce secure remote access policies on Linux hosts. Perform live migration of VMs including setup and operational management within OLVM and other hypervisors. Oversee VM lifecycle: provisioning, migration, resource allocation, backup, and fault resolution. Monitor and automate infrastructure for reliability and scalability. Ensure Linux system hardening (patching, security, auditing) and manage advanced system/network performance issues. Deploy, scale, and secure Kubernetes clusters for container workloads. Architect, operate, and troubleshoot OpenStack services and integrations. Lead incident management (L3/expert escalations) and technical mentoring. Document infrastructure standards and procedures. Implement monitoring, alerting, and backup solutions. Collaborate with cross-functional teams for infrastructure automation and CI/CD integration. Drive compliance with security, regulatory, and operational controls.Skills RequiredA. Operating SystemsExpert administration of Red Hat, Oracle Linux, Ubuntu, CentOS, SUSE, etc. Deep understanding and troubleshooting ofsshd . Install, configure, tune and secure/etc/ssh/sshd_config.SSH key management, user access control, two-factor, and auditing. Handling root and user SSH policies, port forwarding, and proxies. Linux boot/internal: kernel, systemd, SELinux, PAM, disk partitions, LVM/RAID, ZFS Automation and scripting: Bash, Python, Ansible OS optimization, security hardening, backup/restores, disaster recovery Experience of Windows Server upgradesB. HypervisorsAdvanced management of OLVM (Oracle Linux Virtualization Manager), Proxmox, KVM, VMware, Xen, and others VM provisioning, storage pools, network bridges, VM snapshot and backup Live migration of VMs across Oracle Linux KVM hosts Security policies, templates, cluster setup, performance tuning in OLVM VM lifecycle, clustering, resource automation, live migration, network configuration Integration with storage and backups, fault finding/remediationC. Good to Have (Kubernetes, OpenStack)Cluster deployment, scaling, backup/restore, and upgrades (kubeadm, kops, Rancher, etc.) Knowledge of Kubernetes architecture: API, etcd, controller-manager, kubelet, and networking (CNI plugins) Pod scheduling, affinity/anti-affinity, taints/tolerations, node selectors, and pod priorities Health checks with liveness, readiness, and startup probes for pods Troubleshooting pod networking issues, DNS integration, inter-pod communication (Services, NetworkPolicies) Managing pod logs, events, and debugging (kubectl exec, logs, describe) Security: RBAC, secrets, service accounts, role bindings, pod identity Integrating Kubernetes with CI/CD pipelines (Jenkins, GitLab, ArgoCD) Knowledge of core OpenStack services (Nova, Neutron, Cinder, Swift, Keystone, Glance, Horizon), including service dependencies and message queues. Nova compute operations including VM provisioning, resizing, live migration, host aggregates, resource optimization, and troubleshooting. Neutron networking design and troubleshooting: building complex network topologies (provider/self-service networks, VLAN/VXLAN), managing routers, security groups, and resolving L2/L3 issues. Cinder block storage administration with multi-backend setups (Ceph, NFS, iSCSI), volume/snapshot management, performance tuning, and backups. Keystone identity, access, and RBAC management — project isolation, integration with LDAP/AD/SAML, token security, and API endpoint security.Minimum QualificationsBachelor’s in Computer Science, Engineering or related field (or equivalent experience) 10+ years overall;5+ years managing enterprise Linux systems and VMs (L3) Direct hands-on experience with OLVM in production 3+ years with Kubernetes and/or OpenStack clusters Proven experience with live migration in OLVM, Proxmox, or VMwarePreferred CertificationsRed Hat Certified Engineer (RHCE) Oracle Linux Certified Implementation Specialist (for OLVM) Certified Kubernetes Administrator (CKA) OpenStack Administrator Certification VMware Certified Professional (VCP)Soft SkillsStrong troubleshooting and analytical skills Excellent communication and documentation practices Collaborative, proactive, and adaptable