Senior Network Security Consultant

Job Posting:
Senior Network Security Consultant (Contract)  Duration:  Estimated 6–10 Weeks (Project-Based)

Location:

Remote

Reports To:

Project Manager
Overview We are seeking an experienced  Senior Network Security Consultant  to assist with a network assessment, redesign, and security enhancement project for a client operating a Fortinet-based infrastructure. The consultant will be responsible for evaluating the current environment, developing network and security architecture recommendations, implementing approved changes, and producing professional technical documentation.
This engagement requires a hands-on engineer who can work independently, communicate effectively with both technical and non-technical stakeholders, and deliver high-quality documentation and implementation services.
Project Scope The consultant will perform the following activities:
Network Assessment & Discovery  Review and assess existing Fortinet infrastructure, including:
Forti Gate Firewalls
Forti Switches
FortiAP Wireless Access Points
Analyze network topology, VLAN structure, routing, VPNs, and security policies.
Identify configuration issues, security risks, and performance concerns.
Documentation & Diagramming  Develop current-state network documentation, including:
Physical network diagrams
Logical network diagrams
Security zone diagrams
Network inventory documentation
Document traffic flows and application dependencies.
Security Review  Conduct a firewall and network security assessment using:
CIS Controls
Fortinet best practices
Industry-standard network security principles
Review:
Administrative access controls
VPN security
Network segmentation
Firewall rule design
Logging and monitoring
Security profiles and threat protection features
Future-State Design  Design a secure and scalable network architecture.
Create:
Security zone architecture
VLAN segmentation strategy
Traffic flow matrix
Future-state logical network diagrams
Develop implementation recommendations and remediation plans.
Implementation & Validation  Implement approved network and security changes.
Validate connectivity, segmentation, VPN functionality, and security controls.
Assist with troubleshooting and post-implementation support.

Required Qualifications  Minimum 5 years of enterprise networking experience.
Minimum 3 years of hands-on Fortinet experience.
Strong expertise with:
Forti Gate Firewalls
Forti Switch
FortiAP
FortiOS
Experience designing and implementing:
VLANs
Security zones
Site-to-site VPNs
Remote access VPNs
Firewall policies
Network segmentation
Experience creating professional network diagrams and technical documentation.
Strong troubleshooting and analytical skills.
Excellent written and verbal communication skills.

Preferred Qualifications  

Experience with Azure networking and hybrid cloud environments.

Experience with Forti Analyzer and Forti Manager.
Previous consulting or MSP experience.
Preferred Certifications  Fortinet FCSS or NSE 7+
CCNP Enterprise
CISSP
Equivalent advanced networking or security certifications
Deliverables The consultant will be expected to deliver:
Current-state network diagrams
Security assessment report
Data flow analysis
Future-state logical network design
Security zone and traffic flow documentation
Implementation documentation
Testing and validation reports
Knowledge transfer documentation

How to Apply

Qualified candidates should submit:
Resume
Summary of Fortinet experience
Relevant certifications
Sample network diagrams or architecture documentation (if available)
Hourly rate and availability
Only candidates with demonstrated Fortinet architecture and network security experience will be considered.