Systems & Network Administrator (On-premise & Colocation)

**Job Summary**

**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**:

- 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 24×7 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