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:
- FortiGate Firewalls
- FortiSwitches
- 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:
- FortiGate Firewalls
- FortiSwitch
- 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 FortiAnalyzer and FortiManager.
- 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.