Manager - IT Operations & Infrastructure

About The Company

Major Duties & Responsibilities

• Linux Infrastructure Design & Management:
• Architect, deploy, and maintain enterprise-grade Linux environments (RHEL, CentOS, Ubuntu, SUSE, Oracle Linux).
• Design and implement scalable, highly available, and secure Linux-based systems.
• Perform advanced troubleshooting, root cause analysis (RCA), and performance tuning.
• Ensure system reliability, patching, and security updates for production servers.
• Cloud & Virtualization Administration:
• Optimize cloud-based Linux instances, auto-scaling, and cost management strategies.
• Work with VMware, KVM, Hyper-V, OpenStack for on-prem virtualization.
• Automation & Configuration Management:
• Automate Linux system administration tasks using Ansible, Terraform, Bash, Python, PowerShell.
• Implement Infrastructure as Code (IaC) to automate provisioning and configuration.
• Develop cron jobs, systemd services, and log rotation scripts.
• Security & Compliance:
• Implement Linux system hardening (CIS benchmarks, SELinux, AppArmor, PAM, SSH security).
• Configure firewall rules (iptables, nftables, firewalld), VPN, and access control policies.
• Ensure compliance with ISO 27001, PCI-DSS, HIPAA, and NIST security standards.
• Conduct vulnerability scanning, penetration testing, and security audits.
• Networking & High Availability (HA) Solutions:
• Configure and manage DNS, DHCP, NFS, iSCSI, SAN, CIFS, VLANs, and network bonding.
• Deploy Linux clusters, failover setups, and high-availability solutions (Pacemaker, Corosync, DRBD, Ceph, GlusterFS).
• Work with load balancing solutions (HAProxy, Nginx, F5, Cloud Load Balancers).
• Monitoring & Performance Optimization:
• Set up real-time monitoring tools (Prometheus, Grafana, Nagios, Zabbix, ELK, Site 24x7).
• Optimize CPU, memory, disk IO, and network performance for Linux workloads.
• Analyze and resolve kernel panics, memory leaks, and slow system responses.
• Backup & Disaster Recovery:
• Design and implement Linux backup & disaster recovery strategies (CommVault, Veeam, Rsync, AWS Backup, GCP Backup & DR, OCI Vaults).
• Perform snapshot-based recovery, failover testing, and disaster recovery planning.
• Collaboration & Documentation:
• Mentor L1 and L2 engineers, provide escalation support for critical incidents.
• Maintain technical documentation, SOPs, and knowledge base articles.
• Assist in capacity planning, forecasting, and IT infrastructure roadmaps.
  

Required Knowledge, Skills And Abilities

• Expert-level knowledge of Linux OS administration, troubleshooting, and performance tuning.
• Strong hands-on expertise in server patching, automation, and security best practices.
• Deep understanding of cloud platforms (AWS, GCP, Azure, OCI) and virtualization (VMware, KVM, Hyper-V, OpenStack).
• Advanced networking skills in firewalls, VLANs, VPN, DNS, and routing.
• Proficiency in scripting (Bash, Python, Ansible, Terraform, PowerShell).
• Experience with high-availability architectures and clustering solutions.
• Strong problem-solving, analytical, and troubleshooting skills for mission-critical environments.
  

Preferred Additional Skills And Abilities

• Experience with Linux-based Kubernetes clusters (EKS, AKS, GKE, OpenShift, Rancher).
• Understanding of CI/CD pipelines and DevOps tools (Jenkins, Git, GitLab, ArgoCD, Helm).
• Knowledge of big data, logging, and analytics tools (Splunk, ELK Stack, Kafka, Hadoop).
• Familiarity with database management on Linux (MySQL, PostgreSQL, MariaDB, MongoDB, Redis).
  

Qualifications And Experience

• Bachelors in Communications / Computer Science OR Software Engineering OR related technical degree OR Experience
• 7+ years of experience in Linux administration and enterprise infrastructure.
• Proven track record in designing, implementing, and optimizing Linux environments.
• Experience with multi-cloud Linux workloads, scripting, security, and high availability.
  

(Preferred But Not Mandatory)

• Red Hat Certified Engineer (RHCE) or RHCSA
• LPIC-3 (Linux Professional Institute Certification Level 3)