Lead - SRE, Infrastructure, Network & Security

Company: Dayal Fertilizers Private Limited (Dayal AgriTech Group)

Department: Platform Engineering

Location: Partapur, Meerut, Uttar Pradesh

Experience: 10+ Years | Technical Lead

Reporting To: General Manager - Platform Engineering

Work Timings: 10:00 AM - 6:00 PM, with critical incident support

Job Purpose Own the IT infrastructure and networks across Dayal AgriTech Group's data centers, offices, and manufacturing sites. Use SRE practices to keep systems available, secure, recoverable, and scalable, with minimal downtime.

Key Responsibilities

Network & Security

• Configure LAN/WAN, Cisco routers and switches, L2/L3 routing, VLANs, and segmentation
• Manage ISP redundancy, load balancing, and failover
• Administer NGFW/UTM, IPS/IDS, NAT/PAT, DMZ, and access policies
• Set up site-to-site and remote-access VPNs
• Oversee Seqrite endpoint protection; stay current on EDR, XDR, and MDR
• Harden systems, remediate vulnerabilities, and control privileged access

Servers, Storage & Databases

• Manage Windows Server, Linux, Active Directory, GPOs, DNS, DHCP, and proxy servers
• Configure and maintain server hardware, virtualization, RAID, and SAN/NAS storage
• Plan server upgrades and end-of-life hardware replacements
• Automate remote OS patching and firmware/BIOS updates
• Install and support MSSQL and MySQL; handle basic queries and user access

Data Center & Facilities

• Manage racks, structured cabling, UPS, PDUs, DG interfaces, and cooling
• Oversee environmental monitoring and physical access control
• Maintain IP-based CCTV and biometric attendance systems
• Plan capacity, commissioning, and preventive maintenance; keep DCIM records current

Reliability & Recovery (SRE)

• Define SLIs and SLOs for infrastructure services
• Monitor availability, performance, and capacity (Zabbix, Nagios, Prometheus, Grafana)
• Analyze logs, traffic, and security events to find faults
• Lead incident response, escalation, and root-cause analysis
• Own DR readiness: verify backups, test restores, and run failover drills
• Write recovery runbooks; automate routine tasks with Bash, Python, and Ansible

DNS, Web & Email

• Manage domains, DNS zones and records, DNSSEC, and SSL/TLS certificates
• Maintain NGINX/Apache, reverse proxies, load balancers, and DMZ hosting
• Configure SMTP/IMAP, mail routing, SPF, DKIM, DMARC, and hybrid/split-delivery email
• Administer Microsoft 365 or Google Workspace users, access, and identity

Procurement, Vendors & Assets

• Plan IT budgets and write technical specifications
• Evaluate vendors, negotiate terms, and manage purchases
• Renew AMCs, licenses, subscriptions, warranties, and support contracts on time
• Track hardware and software assets, endpoint compliance, and lifecycle costs

Service Delivery & Reporting

• Run the IT helpdesk; resolve tickets within agreed SLAs
• Support ERP and production-critical systems across offices and plants
• Handle escalations; coordinate with internal teams, vendors, and stakeholders
• Follow formal change control for all infrastructure work
• Maintain network diagrams, configuration records, troubleshooting guides, and SOPs
• Present monthly MIS reports on uptime, network performance, tickets, security incidents, capacity, and hardware aging

Must-Have Requirements

• 10+ years of hands-on enterprise infrastructure and network experience
• Manufacturing, plant, or multi-site experience, with exposure to ERP and production-critical systems
• Strong Linux, Windows Server, Active Directory, storage, and virtualization skills
• Hands-on Cisco, L2/L3 networking, firewall, and VPN experience
• Solid DNS, email, backup, and DR skills
• Scripting and automation skills, including remote OS, firmware, and BIOS rollouts
• IT budgeting, vendor negotiation, and AMC/contract management experience
• Ability to resolve critical infrastructure failures independently

Preferred Skills

• CCNA/CCNP, RHCSA/RHCE, or equivalent hands-on expertise
• High-availability systems, clustering, and server modernization
• EDR, XDR, MDR, and advanced threat detection
• ITSM practices: incident, change, and SLA management
• Security audits and business continuity planning

Soft Skills

• Strong troubleshooting and analytical ability
• High ownership of uptime and service continuity
• Calm prioritization of incidents under pressure
• Clear communication with users, vendors, and management
• Ability to lead multiple workstreams independently
• Disciplined planning, documentation, and reporting
• Cost-conscious approach to procurement and vendors

Proximity to Delhi-NCR

Approximate Distances

• Delhi: 70 km
• Ghaziabad: 40 km
• Noida: 55 km

Connectivity

• Road: Access via NH-58 and the Delhi–Meerut Expressway.
• Rail: Railway connectivity to Delhi and surrounding areas.
• Metro/Rapid Rail: Connectivity through the Delhi Metro and the Namo Bharat (RRTS) network, subject to the selected route and station.

Cost Advantage: Meerut offers a comparatively lower cost of living than Delhi and Noida, making it an attractive location for professionals seeking affordable accommodation and living expenses.