Job Description

Job Summary

We're looking for an experienced Systems & Network Administrator to architect, deploy, and maintain our in-house and colocation data-center infrastructure. You will be responsible for end-to-end management of physical servers (Vultr/AWS integration as needed), DNS, networking, virtualization, storage, security, and high-availability solutions that power our client applications.

Key Responsibilities

Infrastructure Deployment & Management

Provision and configure physical and virtual servers (bare-metal, Hyper-V/VMware/Proxmox, KVM) in-house and at our Ctrl S colocation facility. Integrate on-premise servers with public-cloud instances (Vultr, AWS) for hybrid-cloud workloads.

Networking & DNS

Design and maintain LAN/WAN topology, VLANs, routing, and firewall policies. Configure, troubleshoot, and document DNS zones (Windows DNS, Cloudflare, Bind9, etc.), reverse lookups, and SSL/TLS certificates.

Performance, Monitoring & Capacity Planning

Deploy and tune monitoring stacks (Prometheus/Grafana, Zabbix, Nagios) to track server health, resource utilization, and application performance. Analyze growth trends, plan hardware refreshes, and optimize resource allocation for cost efficiency.

Security & Compliance

Implement OS-level hardening, patch management, intrusion detection (OSSEC, Snort), and backup/recovery strategies. Enforce access controls, VPN configurations, and incident response procedures.

Automation & Scripting

Develop and maintain automation scripts (Bash, PowerShell, Python) for configuration management, deployments, and routine maintenance tasks. Leverage tools like Ansible, Puppet, or Terraform to codify infrastructure.

Backup & Disaster Recovery

Architect and test backup solutions (Veeam, Bacula, or native filesystem snapshots) and define RTO/RPO targets. Execute DR drills and refine procedures.

Documentation & Support

Produce clear runbooks, network diagrams, and configuration documents. Provide 24x7 on-call support and collaborate with development teams to troubleshoot infrastructure-related issues.

Required Qualifications & Skills

Experience:

3-5 years in systems/network administration, with hands-on in-house and colocation environments.

Technical Skills:

Operating Systems:

Linux distributions (Ubuntu, CentOS, RHEL) and Windows Server.

Virtualization:

Hyper-V, VMware ESXi, Proxmox, KVM.

Networking:

TCP/IP, DHCP, BGP/OSPF, VLANs, switches (Cisco/Juniper), firewalls (pfSense, FortiGate).

DNS & Load Balancing:

Bind9, Windows DNS, HAProxy, Nginx, F5.

Cloud Integration:

Basic AWS/Vultr instance management and networking.

Monitoring & Logging:

Prometheus, Grafana, Zabbix, ELK stack.

Automation:

Ansible, Terraform, Bash/Python scripting.

Backup & DR:

Veeam, Bacula, rsync, snapshots.

Soft Skills:

Strong problem-solving and troubleshooting aptitude. Excellent communication and documentation abilities. Ability to work independently and as part of a distributed team.

Preferred / Nice-to-Have

Certifications: RHCE, CCNA/CCNP, AWS Certified SysOps Administrator. Experience with container orchestration (Docker, Kubernetes). Familiarity with security standards (ISO 27001, SOC 2). Knowledge of database administration (MySQL/MariaDB, PostgreSQL).

Reporting & Collaboration

Reports to: CTO / Head of Infrastructure Collaborates closely with: DevOps, Software Engineering, Security, and Project Management teams

What We Offer

Competitive compensation and benefits Opportunity to architect hybrid-cloud solutions and grow into infrastructure leadership roles Hands-on experience with cutting-edge technologies in both on-premise and cloud environments
Job Types: Full-time, Permanent, Fresher

Pay: ₹350,000.00 - ?450,000.00 per year

Schedule:

Day shift Fixed shift
Ability to commute/relocate:

Madhapur, Hyderabad, Telangana: Reliably commute or planning to relocate before starting work (Preferred)
Education:

Bachelor's (Preferred)
Work Location: In person