Network Security Consultant

Network and IT Security Consultant

Work Location: Onsite
Professional References: 3 required
Certification: CCIE certificate copy required

We are seeking an experienced Network and IT Security Consultant responsible for protecting network infrastructure, minimizing vulnerabilities, and implementing effective security processes and technologies to prevent and respond to cyber threats.

The consultant will provide expertise across network security, infrastructure, documentation, vulnerability management, disaster recovery, and cybersecurity incident response.

• Design and implement network security blueprints, architectures, and strategies.
• Configure and manage network and IT security appliances to maintain network integrity.
• Manage information and data access controls.
• Maintain, update, and troubleshoot network switches, firewalls, and other security infrastructure.
• Conduct systematic testing of networks and systems to identify vulnerabilities.
• Support incident response, incident recovery, and disaster recovery efforts.
• Collaborate with IT, security, and other technical teams to ensure successful project delivery and network security.

• Analyze and design security protocols and network security architectures.
• Develop network diagrams, security blueprints, models, and implementation strategies.
• Identify areas requiring access authorization and recommend appropriate security controls.
• Prepare and maintain technical and security documentation.
• Represent the organization as a technical subject-matter expert when required.
• Test existing security systems and protocols according to established schedules.
• Monitor and improve identity and access security across enterprise systems.
• Work with internal teams and external consultants to strengthen the organization's overall security posture.

• Ensure network infrastructure operates reliably and securely.
• Adapt network security controls to changing organizational requirements.
• Identify and implement effective preventive measures against cyberattacks, malware, and other threats.
• Monitor networks for suspicious or unauthorized activity.
• Develop and support processes for cyberattack recovery and emergency response.
• Ensure network and security appliances are properly updated, patched, and maintained.
• Perform periodic vulnerability assessments and provide reports with actionable remediation recommendations.
• Continuously assess network architecture and configurations and make changes to optimize performance, availability, and security.

• Assist with comprehensive IT infrastructure and security assessments and planning.
• Participate in periodic reviews and updates of the organization's cybersecurity roadmap.
• Serve as a technical point of contact for cybersecurity incidents and disaster recovery activities.
• Participate in disaster recovery exercises and simulations.
• Provide documentation and recommendations based on disaster recovery testing and results.

• CCIE certification is required.
• Experience with Cisco networking technologies.
• Strong experience with FortiGate firewalls.
• Experience configuring, maintaining, troubleshooting, and managing Aruba switches.
• Experience with Avaya VoIP environments.
• Strong understanding of network security principles, architectures, and best practices.
• Experience with firewall configuration, upgrades, troubleshooting, and security hardening.
• Experience with vulnerability assessment and remediation.
• Knowledge of cybersecurity incident response and disaster recovery processes.
• Strong technical documentation and communication skills.
• Ability to work independently and collaboratively with cross-functional technical teams.

• Experience with Microsoft Intune and endpoint management.
• Experience with SIEM implementation and network/security log integration.
• Experience with email security and anti-spam platforms such as Proofpoint.
• Experience with Microsoft 365/Azure environments and domain migrations.
• Experience supporting complex, multi-network or multi-domain environments.