Job Detail
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Offered Salary 1000
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Experience 4 Years
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Industry Management
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Qualifications Certificate
Job Description
A Networking Engineer (CCNA-level) is responsible for auditing and analyzing the existing network infrastructure, including switches, VLANs, and Layer 2/Layer 3 architecture. The role involves performing technical due diligence to assess network design, performance, security, and risks, identifying gaps or misconfigurations, and documenting current-state findings. The engineer prepares a concise, decision-oriented report that highlights risks, improvement areas, and actionable recommendations to support management decisions on optimization, upgrades, or remediation.This is a 3 months role on contractual base and inside IR35
Responsibilities – Network Infrastructure Audit & Due Diligence
1. Network Infrastructure Audit
- Conduct a comprehensive audit of existing network infrastructure, including LAN, WAN, WLAN of on premise and data center networks.
- Review and document network topology, physical and logical layouts
- Audit network devices such as switches, routers, firewalls, access points, and load balancers
- Validate hardware models, firmware versions, licensing, and lifecycle status
- Identify single points of failure and redundancy gaps
2. Switch & VLAN Assessment
- Analyze Layer 2 and Layer 3 switch configurations
- Review VLAN design, segmentation strategy, and VLAN-to-subnet mapping
- Validate trunking, access ports, STP configuration, port security, and QoS policies
- Identify misconfigurations, unused VLANs, and security risks
- Assess scalability and performance impact of current VLAN architecture
3. Network Layer & Architecture Analysis
- Evaluate OSI layer implementation (L2, L3 focus)
- Assess routing protocols, IP addressing schemes, and subnetting efficiency, review inter-VLAN routing, gateway placement, and traffic flow
- Validate network design best practices and industry standards compliance
4. Performance & Security Review
- Assess network performance, bandwidth utilization, and latency issues, Identify bottlenecks and congestion points
- Review basic network security controls (ACLs, port security, VLAN isolation), Highlight potential vulnerabilities and compliance gaps
5. Due Diligence & Risk Assessment
- Perform technical due diligence on existing network assets, assess operational risks, technical debt, and upgrade dependencies
- Identify end-of-life (EOL) and end-of-support (EOS) equipment, evaluate business impact risks related to availability, scalability, and security
6. Documentation & Reporting
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- Create detailed network audit documentation, including:
- Network diagrams (logical & physical)
- VLAN and IP addressing tables
- Generate a comprehensive audit and due diligence report
7. Decision-Oriented Reporting (Decisional Values)
- Provide clear findings, risk ratings, and impact analysis
- Classify recommendations as:
- Immediate (Critical Risk)
- Short-term (Optimization)
- Long-term (Strategic Improvement)
- Present cost vs. benefit insights for remediation options
Offer executive-ready recommendations to support decision-making