Stable Connectivity
Keep branches, users, cloud workloads, and business applications connected through structured LAN, WAN, VPN, and SD-WAN support.
Network Infrastructure Support
24x7 Network Support for Secure, Always-On Operations
Keep users, branches, apps, cloud workloads, and customers connected with SLA-led engineering support.
QCS stabilises firewalls, routers, switches, SD-WAN, VPN, Wi-Fi, and cloud networks for urgent fixes or ongoing managed operations.
SLA triageControlled changesDocumented handover
24x7SLA-led response
10+Network and security vendors
Remote + OnsiteSupport coverage
Live support model
Diagnose → Stabilise → Secure
01Users & Branches02Firewall / SD-WAN Edge03Core LAN / WAN04Cloud & VPN Access
- SLA clock active
- Policies backed up
- Change log open
24x7 SLA-Based SupportFirewall, Router, Switch & SD-WAN ExpertiseRemote + Onsite AssistanceFreelance / On-Demand EngineersMulti-Vendor Network Support
Reliable infrastructure for predictable operations
A Governed Network Support System, Not Just Break-Fix Assistance
QCS brings a structured model to your network. We diagnose the issue, stabilise service, harden the configuration, document the change, and support the environment through SLA-led operations.
Secure Access
Protect your edge with firewall policies, access control, NAT, VPN, segmentation, security hardening, and configuration reviews.
SLA-Driven Response
Get priority-based support for critical issues, planned changes, migrations, troubleshooting, and ongoing network operations.
Your Network Should Not Become a Business Risk
Unstable Connectivity
Frequent drops, WAN failures, Wi-Fi issues, slow application access and branch downtime.
Configuration Drift
Firewall rules, routing changes, VPN tunnels and VLAN structures become difficult to control over time.
Slow Incident Response
Without clear ownership and SLA support, small issues can quickly become business-impacting outages.
Support model
The Old Support Model Is Not Built for Modern Infrastructure
Modern environments need documented ownership, controlled changes, and a support path that connects firewall, VPN, SD-WAN, cloud, and LAN operations.
Old model
- Reactive troubleshooting
- No proper change documentation
- Firewall rules added without review
- VPN issues fixed temporarily
- No SLA ownership
- Vendor dependency during emergencies
- Network visibility remains fragmented
QCS model
- Structured diagnosis and remediation
- Controlled configuration changes
- Firewall, VPN, SD-WAN and cloud handled together
- Clear documentation and handover
- SLA-based response
- Freelance specialists when needed
- Ongoing support for critical infrastructure
Our network support services
Complete Network Configuration, Troubleshooting & Managed Support
We support businesses across the full network lifecycle: installation, configuration, migration, optimisation, troubleshooting, documentation, and continuous support.
01
Firewall Configuration & Support
We configure, troubleshoot, optimise, and harden firewall environments for secure business access.
- Firewall policy configuration
- NAT, PAT, port forwarding
- Access control rules
- VPN configuration
- Application and web filtering
- Security policy review
- Firewall backup and upgrade support
- Firewall migration and rule cleanup
- HA and failover support
- Incident troubleshooting
02
Router & Switch Configuration
We help businesses build stable LAN, WAN, and branch connectivity through professional routing and switching support.
- VLAN configuration
- Inter-VLAN routing
- Static and dynamic routing
- DHCP, DNS and gateway setup
- Trunk and access port setup
- Switch stacking support
- Port security
- Routing troubleshooting
- Network segmentation
- Configuration backup and documentation
03
SD-WAN Configuration & Troubleshooting
We support SD-WAN deployment, policy configuration, link failover, cloud breakout, and branch connectivity.
- SD-WAN deployment
- Branch connectivity setup
- Application-aware routing
- WAN failover policies
- Performance SLA configuration
- Link monitoring
- Cloud breakout
- Secure SD-WAN firewall integration
- SD-WAN troubleshooting
- Optimisation and policy review
04
VPN & Remote Access Support
We configure secure connectivity for branch offices, remote users, vendors, and cloud environments.
- Site-to-site VPN
- Remote access VPN
- SSL VPN
- IPsec VPN
- Client VPN troubleshooting
- Firewall-to-cloud VPN
- Multi-branch VPN architecture
- VPN tunnel stability review
05
Cloud Network Configuration
We help configure secure and reliable cloud networking across AWS, Azure, and Google Cloud.
- VPC / VNet setup
- Subnet planning
- Route table configuration
- Security groups and firewall rules
- VPN to cloud
- NAT gateway configuration
- Hybrid cloud connectivity
- Cloud access troubleshooting
- Cloud firewall review
06
Wi-Fi & Access Point Support
We support office, campus, branch, retail, and hospitality Wi-Fi environments.
- Access point configuration
- Controller-based Wi-Fi setup
- SSID and guest network setup
- Wi-Fi security configuration
- Roaming optimisation
- VLAN-based wireless segmentation
- Captive portal support
- Wi-Fi performance troubleshooting
Engagement options
Use QCS for a One-Time Network Task or Continuous SLA Support
Choose the support format that fits the urgency and ownership model of your infrastructure.
Need a Freelance Network Engineer for a Specific Task?
- One-time firewall configuration
- FortiGate, Cisco, Palo Alto, Sophos or SonicWall support
- Complex VPN setup
- SD-WAN troubleshooting
- Router and switch deployment
- Cloud network configuration
- New office network setup
- Network migration
- Emergency issue resolution
- Remote or onsite project support
24x7 Network Support for Critical Business Infrastructure
- 24x7 incident response
- Priority-based ticket handling
- Firewall and network troubleshooting
- Configuration change support
- Preventive checks
- Backup and documentation support
- Network performance review
- Vendor coordination support
- Planned maintenance support
- Critical outage support
Multi-vendor coverage
Support Across Leading Network & Security Vendors
QCS can coordinate troubleshooting and configuration across the platforms commonly found in multi-branch and cloud-connected businesses.
CiscoFortinet / FortiGatePalo Alto NetworksSophosSonicWallJuniper NetworksAruba / HPEUbiquitiMikroTikCheck Point
Network Support for Real Business Scenarios
New Office Network Setup
Design and configure firewall, router, switch, Wi-Fi, VLAN, VPN, and internet failover for new offices or branches.
Firewall Migration
Migrate firewall rules, NAT policies, VPN tunnels, security policies, backup, and cutover with controlled execution.
Branch Connectivity
Connect multiple branches securely using VPN, SD-WAN, WAN failover, and routing policies.
Cloud Connectivity
Securely connect office networks to AWS, Azure, or Google Cloud workloads.
Emergency Troubleshooting
Resolve business-impacting network, firewall, VPN, internet, Wi-Fi, or routing issues.
Ongoing Network Operations
Support regular changes, configuration reviews, backups, documentation, and performance checks.
Network Support for Offices, Branches, Plants & Cloud-First Teams
Corporate officesIT companiesManufacturing unitsWarehousesHospitals and clinicsSchools and collegesHotels and hospitality businessesRetail chainsReal estate officesMulti-branch businessesCloud-first organisations
Delivery workflow
Diagnose. Stabilise. Secure. Support.
Every support request follows a clear operating rhythm so fixes are controlled, validated, and documented.
Discover & Diagnose
We understand the business impact, affected users, current topology, device model, configuration, and urgency.
Design the Fix
We prepare the configuration, troubleshooting, migration, or stabilisation plan with minimum disruption.
Configure & Validate
We implement the required change, test connectivity, validate firewall rules, VPN tunnels, routing, failover, and access.
Document & Support
We provide handover notes, backup recommendations, change details, and SLA-based support options where required.
Why QCS
Engineering Discipline for Your Network Operations
Practical troubleshooting, clear handover, and support for urgent incidents and planned projects.
What you get
- SLA-based support model
- Multi-vendor technical capability
- Remote and onsite assistance
- Freelance and managed support options
- Firewall, SD-WAN, VPN, cloud, LAN and WAN expertise
- Clear documentation and change handover
- Practical troubleshooting approach
- Support for both urgent incidents and planned projects
Precision Over Guesswork
We diagnose before making changes, so fixes are controlled and explainable.
Governance Over Ad-Hoc Changes
Every configuration change should improve stability, security and visibility.
Support Over One-Time Fixes
We help businesses move from reactive troubleshooting to SLA-backed operations.
Frequently Asked Questions
Do you provide 24x7 network support?
Yes. QCS provides 24x7 SLA-based support for critical network issues. We cover firewall problems, VPN failures, SD-WAN issues, routing faults, Wi-Fi instability, and business-impacting incidents.
Do you provide freelance network engineers?
Yes. We provide freelance and on-demand network engineers for specialised configuration, troubleshooting, migration, installation, and project-based support.
Which vendors do you support?
We support Cisco, Fortinet/FortiGate, Palo Alto Networks, Sophos, SonicWall, Juniper Networks, Aruba/HPE, Ubiquiti, MikroTik, and Check Point.
Can you configure FortiGate firewalls?
Yes. We support FortiGate firewall policies, NAT, VPN, SD-WAN, HA, firmware upgrade support, backup, optimisation, troubleshooting, and security hardening.
Can you support Cisco router and switch configuration?
Yes. We support Cisco VLANs, routing, trunking, port security, VPN, WAN setup, switch configuration, router configuration, and troubleshooting.
Do you provide SD-WAN support?
Yes. We support SD-WAN deployment, application-aware routing, branch connectivity, WAN failover, performance SLA policies, cloud breakout, and troubleshooting.
Can you support cloud networking?
Yes. We support cloud networking across AWS, Azure, and Google Cloud. This includes VPC/VNet, routing, VPN, firewall rules, security groups, NAT, and hybrid connectivity.
Do you provide remote support?
Yes. Most troubleshooting and configuration work can be handled remotely. Onsite support can also be arranged depending on location and project requirement.
Can you support new office network installation?
Yes. We support new office network setup including firewall, router, switch, Wi-Fi, VLAN, VPN, internet failover, and secure access configuration.
Do you provide ongoing managed network services?
Yes. We provide ongoing SLA-based network support for configuration changes, troubleshooting, incident response, preventive checks, documentation, and performance review.
Ready for stable operations?
Need Reliable Network Support Today?
Need a freelance network engineer, firewall specialist, FortiGate or Cisco support, SD-WAN troubleshooting, cloud networking assistance, or 24x7 managed support? QCS can help.
Some Of Our Respected Happy Clients Says
“We were burning too much on paid channels with low returns. QuantumCrafters' AI-driven bidding and content engine turned it around—our CAC fell 40% while revenue doubled in just half a year.”
“Our online presence went from zero to hero in no time. The team made the process so seamless and automated”
“Finally, an agency that speaks our language! They understood our vision better than we did and brought it to life in a way that exceeded expectations. 10/10 would recommend!”
“They made us feel like their most important client. The attention to detail, quick responses, and innovative ideas were top-notch. We'll definitely be back for more!”
“Our brand went from a whisper to a roar. The team's creativity and expertise made all the difference.”
Our Blog
New Day
New Inspiration
AI is reshaping how marketing teams ...
Agentic AI is transforming marketing workflows, and 2026 is set to be the breakthrough year for...
How a Creative Agency Can Help?
The art of creative thinking could be a blog that explores the various ways in which people.
Free Website Audits and Automation ...
A free Website and Automation Audit helps you identify hidden issues affecting your ...
Reasons Business Needs a Agency
The art of creative thinking could be a blog that explores the various ways in which people.
How a Creative Agency Can Help?
The art of creative thinking could be a blog that explores the various ways in which people.
Maximizing Your Marketing Budget
The art of creative thinking could be a blog that explores the various ways in which people.