SYSTEMS ARCHITECTURE & ENGINEERING

Enterprise Technical Consultancy

Specialised engineering architecture for distributed infrastructure, high-availability computing topologies, core network fabrics, and mission-critical systems.

The Business Challenges Addressed

Why Organisations Require This Practice

× Frequent downtime caused by fragile network topologies or configuration drift
× Inadequate system throughput during peak transactional cycles
× Lack of documented technical architecture and topology schematics
× Complex branch-office interconnections with inconsistent performance

Engineering Dependable Technology Topologies

Enterprise infrastructure cannot be built on guesswork. As organisations scale across branches, divisions, and remote sites, small architectural compromises compound into severe system outages. HiTa Synergy delivers rigorous technical consultancy designed to engineer fault-tolerant, high-performance computing environments.

Core Architecture Pillars

  • Zero-Trust Network Segmentation: Isolating critical core systems from general perimeter traffic.
  • Failover & Redundancy: Architecting N+1 and 2N redundancies across compute, power, and upstream connectivity.
  • Auditable Topologies: Providing clear, transparent network diagrams and operational manuals that eliminate institutional dependency on individual engineers.
TOPOLOGY 01 // HA HYPERCONVERGED CLUSTER
N+1 REDUNDANCY
10GbE ZFS SYNC NODE 01: ACTIVE VM 1: Core ERP / Ledger VM 2: PostgreSQL DB VM 3: Middleware API Dual Xeon · 128GB RAM NVMe Enterprise ZFS Pool NODE 02: STANDBY VM 1: Live Replica VM 2: Live Replica VM 3: Live Replica Dual Xeon · 128GB RAM NVMe Enterprise ZFS Pool WITNESS QUORUM Split-Brain Prevention AIR-GAPPED BACKUP VAULT Nightly Immutable Snapshots RPO: < 15 min · RTO: < 25 min
Auto-Failover: Sub-second heartbeat monitoring ensures instant VM migration if either node loses power.
Block Replication: Continuous ZFS send/receive across dedicated 10GbE backplane eliminates data loss.
Air-Gap Protection: Isolated offline backup repository immunises historical data against ransomware.
TOPOLOGY 02 // ZERO-TRUST MICRO-SEGMENTATION
IEEE 802.1Q ISOLATION
INTERNET ISP Fiber Ingress NG-FIREWALL Stateful Packet Inspection IDS / IPS VPN Termination MFA Portal VLAN 10 Public DMZ Services • Reverse Proxy / WAF Web Servers • External API Gateways (Isolated from LAN) VLAN 20 Core Enterprise Subnet • ERP Database & Financial Ledgers (Non-Routable) • Active Directory Domain Controllers & MFA VLAN 30/40 User Workstations & Guests • Staff Laptops with 802.1X Port Authentication • Isolated Guest Wi-Fi (Zero Access to Core)
Lateral Containment: Workstation malware infections cannot propagate into isolated financial databases.
Statutory Compliance: Fully satisfies POTRAZ and Cyber & Data Protection Act [12:07] data separation mandates.
Strict Port Control: Unused physical wall switch jacks are shut down and require certificate handshake.

Detailed Service Capabilities

Capability
Enterprise Network Fabric Architecture (LAN, WAN, SD-WAN)
Capability
High-Availability Server Clusters & Compute Topologies
Capability
Hybrid Cloud & On-Premise Virtualisation Architecture
Capability
Storage Area Network (SAN) & Disaster Recovery Replication
Capability
Independent Technical Architecture Reviews & Root-Cause Analysis

Commercial & Operational Value

✓ Eliminate single points of failure across enterprise network fabrics
✓ Optimize workload distribution and distributed compute performance
✓ Architect resilient, low-latency cross-site data communications
✓ Standardize system configurations for maximum operational reliability

Frequently Asked Questions

Can HiTa Synergy perform root-cause analysis on intermittent outages? ↓

Yes. Our technical consultants perform deep packet inspection, topology verification, log correlation, and compute bottleneck analyses to pinpoint and permanently resolve chronic system failures.

Do you design hybrid on-premise and cloud topologies? ↓

Yes. We design realistic architectures that balance on-premise data sovereignty (critical in Zimbabwe and Southern Africa) with selective cloud services where latency and bandwidth allow.

Typical Deliverables

  • ✓ Enterprise Systems Architecture Blueprint & Topology Diagrams
  • ✓ Hardware Sizing & Bill of Materials (BOM) Technical Validation
  • ✓ High-Availability Configuration & Failover Runbooks
  • ✓ Comprehensive Infrastructure Technical Documentation

Standard Frameworks

BGP, OSPF, VLAN, VXLAN Network Protocols Enterprise Linux (RHEL, Rocky, Ubuntu Server) VMware ESXi, Proxmox VE, KVM Virtualisation SAN / NAS Storage (iSCSI, Fibre Channel, NFS)
COMMENCE ENGAGEMENT

Initiate a Discussion

Connect directly with our practice leads to scope your technical requirements.

Direct Phone: +263 77 663 3633