Job Description: Network Engineer Routing & Switching Role Summary

Operate, maintain, and optimize the enterprise LAN/WAN routing and switching infrastructure across 148 locations, supporting an estate of 3,932 switches and 111 routers handling ~1,315 network tickets/month.

Key Responsibilities

- Administer Cisco (Catalyst/Nexus) and Arista switching and routing estates: VLANs, Spanning Tree Protocol (STP), VTP, port-channels, stacking, OSPF, BGP, EIGRP, and VRF.

- Provide L2/L3 incident resolution and service request fulfilment; actively participate in P1/P2 critical incident bridge calls and Root Cause Analysis (RCA).

- Implement approved change requests, IOS/firmware lifecycle upgrades, and configuration backups.

- Monitor enterprise network health, performance, and capacity using Solar Winds NPM/NCM and PRTG; coordinate circuit escalations with telecom carriers and hardware vendors.

- Maintain accurate network topology diagrams, standard operating procedures (SOPs), and CMDB records.

Technical Qualifications & Skills
- Switching & Routing (Mandatory - Advanced): Cisco Catalyst/Nexus, Arista, VLANs, STP, VTP, Link Aggregation/Port-Channels, OSPF, BGP, EIGRP, static routing, VRF.

- WAN & QoS (Mandatory - Advanced): MPLS, IPsec VPN tunnels, QoS marking and queuing policies.

- Network Services (Mandatory - Advanced): HSRP/VRRP, NTP, SNMP, Net Flow, 802.1X fundamentals.

- Monitoring Tools (Mandatory - Advanced): Solar Winds (NPM, NCM), PRTG.

- Fabric & Automation (Desirable - Working): Python scripting (Netmiko, NAPALM), Ansible network modules, Cisco DNA Center / Catalyst Center, Cisco ACI.

Certifications
- Mandatory: CCNA (Routing & Switching / Enterprise)

- Preferred: CCNP Enterprise (required for Senior/Lead roles)

Key Performance Indicators (KPIs)
- Network availability & uptime SLAs

- Mean Time to Resolve (MTTR)

- Change implementation success rate

- Configuration compliance and backup adherence

- Repeat-incident reduction

Job Description: DDI & Load Balancer Engineer Role Summary

Administer enterprise-wide core network services-DNS, DHCP, and IPAM (DDI)-and manage 108 application delivery controllers/load balancers across the global environment.

Key Responsibilities

- Manage enterprise DDI platforms: administer DNS zones, authoritative/recursive records, DHCP scopes, lease reservations, and IPAM allocation.

- Configure and maintain Application Delivery Controllers: Virtual IPs (VIPs), server pools, health monitors, profiles, and custom iRules.

- Lead end-to-end SSL/TLS certificate lifecycle management on load balancers and DDI systems to prevent service disruptions.

- Handle Tier 2/3 incidents and request fulfilment for load balancing and name resolution issues.

- Execute firmware maintenance, high availability (HA) failover testing, and configuration audits.

Technical Qualifications & Skills
- DDI (Mandatory - Expert): Infoblox NIOS or Blue Cat: DNS zones, DHCP scopes, IPAM grid management.

- Load Balancing (Mandatory - Expert): F5 BIG-IP LTM (Local Traffic Manager), iRules, Citrix ADC (Net Scaler).

- Security & PKI (Mandatory - Advanced): SSL/TLS encryption protocols, certificate chain installation, and renewals.

- GSLB (Desirable - Working): Global Server Load Balancing via F5 DNS (GTM).

- Automation (Desirable - Working): Ansible, Python automation utilizing F5 iControl REST APIs and Infoblox WAPI.

Certifications
- Preferred: F5 Certified BIG-IP Administrator (F5-CA)



/ Infoblox Core Administrator (CDCA)

Key Performance Indicators (KPIs)
- Core DDI and VIP service availability

- Request fulfilment turnaround time

- Zero outages caused by SSL/TLS certificate expirations

- Change success rate and MTTR

Job Description: SD-WAN Engineer

Role Summary

Operate, configure, and maintain the software-defined WAN fabric, orchestrators, and edge appliances interconnecting enterprise branch and campus locations.

Key Responsibilities

- Administer SD-WAN centralized orchestrators, control planes, edge policies, and application-aware routing (AAR) policies.

- Provision and onboard new branch sites into the SD-WAN fabric following change management standards.

- Troubleshoot complex underlay and overlay network issues, latency spikes, jitter, and transport link degradation.

- Liaise with third-party telecom carriers, ISPs, and MSPs for circuit fault isolation and SLA tracking.

Technical Qualifications & Skills
- SD-WAN Architecture (Mandatory - Expert): Cisco Catalyst SD-WAN (Viptela vManage/vSmart/vBond/vEdge), Fortinet Secure SD-WAN, or VMware Velo Cloud.

- Routing Protocols (Mandatory - Advanced): BGP, OSPF, and IPsec underlay/overlay routing.

- Carrier Circuits (Mandatory - Advanced): MPLS, Direct Internet Access (DIA), broadband, LTE/5G cellular failover.

- Cloud Security (Desirable - Working): SASE architectures, Zscaler cloud security tunnels (GRE/IPsec).

Certifications
- Preferred: Vendor SD-WAN Specialist Certification (e.g., Cisco ENSDWI) / CCNP Enterprise

Key Performance Indicators (KPIs)
- SD-WAN fabric and site connectivity uptime

- WAN latency, jitter, and packet loss compliance

- Incident MTTR and change execution success

Job Description: Proxy & Web Security Engineer

Role Summary

Manage and support secure web gateway (SWG) and proxy platforms governing outbound and inbound web traffic for all corporate users and endpoints.

Key Responsibilities

- Administer web proxy platforms, access policies, custom URL categories, and explicit/transparent forwarding configurations.

- Implement and manage SSL/TLS deep inspection policies and client certificate trust deployments.

- Maintain PAC (Proxy Auto-Configuration) files, WPAD configurations, and GRE/IPsec forwarding tunnels.

- Investigate web application connectivity failures, access blocks, and proxy performance bottlenecks using deep packet inspection.

- Collaborate closely with Information Security to enforce compliance policies, content filtering, and data protection rules.

Technical Qualifications & Skills
- Web Proxy (Mandatory - Expert): Zscaler Internet Access (ZIA), Symantec/Blue Coat ProxySG, or Squid.

- Traffic Inspection & Security (Mandatory - Advanced): SSL/TLS inspection, PKI root certificates, URL filtering, DLP fundamentals.

- Client Routing (Mandatory - Advanced): PAC file scripting, WPAD, GRE, IPsec tunnel forwarding.

- Network Protocols (Mandatory - Advanced): HTTP/HTTPS, DNS diagnosis, TCP dumps, and Wireshark packet capture analysis.

- Zero Trust (Desirable - Working):



Zscaler Private Access (ZPA) or equivalent ZTNA architectures.

Certifications
- Preferred: Zscaler Certified Cloud Professional / Administrator (ZCPA/ZCPE) or Symantec ProxySG certification

Key Performance Indicators (KPIs)
- Web proxy platform availability

- Policy update/whitelisting turnaround times

- Incident resolution MTTR and security audit compliance

Job Description: Wireless Controller Engineer Role Summary

Serve as technical administrator for enterprise Wireless LAN Controllers (WLCs) managing centralized Wi-Fi connectivity across 3,077 access points and 148 sites.

Key Responsibilities

- Manage enterprise WLAN controllers: configure SSIDs, RF profiles, mobility groups, High Availability (HA-SSO), and guest access portals.

- Administer enterprise wireless security and authentication using 802.1X, EAP-TLS/PEAP, and RADIUS integration.

- Plan and perform controller OS/firmware upgrades and hotfixes within approved change windows.

- Perform RF health evaluations, Radio Resource Management (RRM) optimization, and capacity planning for dense office spaces.

Technical Qualifications & Skills
- WLAN Controllers (Mandatory - Expert): Cisco Catalyst 9800 Series, Cisco AireOS, Aruba Mobility Controllers, or Juniper Mist.

- Authentication & NAC (Mandatory - Advanced): 802.1X, RADIUS, Cisco ISE, Aruba Transparent Pass, captive portals.

- RF Engineering (Mandatory - Advanced): Dynamic channel assignment, transmit power control, fast roaming (802.11r/k/v), Wi-Fi 6/6E standards.

- RF Site Surveying (Desirable - Working): Ekahau AI Pro or Air Magnet Survey.

Certifications
- Preferred: CCNP Enterprise (Wireless concentration) or Aruba Certified Mobility Professional (ACMP)

Key Performance Indicators (KPIs)
- WLAN infrastructure availability

- Client association and authentication success rate

- Wireless MTTR and change delivery success

Job Description: Wireless Access Point Engineer

Role Summary

Deliver operational support, deployment coordination, and lifecycle management for the estate of 3,077 wireless access points distributed across all global offices and facilities.

Key Responsibilities

- Provision, onboard, and register campus and branch APs with centralized wireless controllers.

- Coordinate with on-site dispatch technicians for AP physical installations, mounting, hardware replacements (RMA), and cable/PoE validation.

- Investigate localized Wi-Fi dead zones, co-channel interference, rogue access points, and client connectivity complaints.

- Track and update AP assets, MAC addresses, and operational status in the CMDB.

Technical Qualifications & Skills
- Access Point Hardware (Mandatory - Advanced): Cisco Catalyst/Aironet or Aruba Access Points, AP boot/join process, image recovery.

- Edge Switching (Mandatory - Working): Power over Ethernet (PoE/PoE+ budgeting), switchport VLAN tagging and trunking for APs.

- RF Diagnostics (Mandatory - Advanced): Signal-to-noise ratio (SNR), RSSI analysis, client-side driver issues, spectrum interference.

- RF Survey Analysis (Desirable - Working): Basic Ekahau heatmaps and coverage verification.

Certifications
- Preferred: CCNA or CWNA (Certified Wireless Network Administrator)

Key Performance Indicators (KPIs)
- Access point uptime and coverage availability

- Coverage and client connectivity ticket resolution time

- CMDB inventory and serial tracking accuracy

📌 Networking Engineer (India)
🏢 TRIGENT SOFTWARE PRIVATE
📍 India