Network Security Firewall & Policies Consultant

Network Security Firewall & Policies Consultant

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Position: Network Security Firewall & Policies Consultant

Location: Sydney, NSW

Duration: 6 months and extendable

Job Description:

• Execute change management and maintenance activities.
• Participate in Major Incident meetings to resolve P1/P2 tickets.
• Handle P3 & P4 incident tickets if not resolved at first level.
• Prepare reports.
• Upgrade and apply patches to security devices.
• Administer and manage VPNs (RA & S2S).
• Renew certificates of security devices.
• Manage device licensing and lifecycle.
• Create knowledge base articles for operational reuse.
• Manage problems related to recurring issues.
• Validate and configure NAT rules on firewalls.
• Manage routing configurations (Prefix list, Route-map).
• Configure URL filtering rules for traffic above Layer 4 to 7.
• Harden firewalls according to cybersecurity recommendations.
• Update vulnerability databases and snort rules periodically.
• Adjust firewall platform settings based on network architecture changes.
• Remediate vulnerabilities based on CIA ratings.
• Peer review firewall rules and templates for correctness and compliance.
• Review SNOW tickets regularly to ensure timely handling.
• Coordinate with third parties and OEMs as needed.
• Participate in daily operations review meetings.
• Support cross-functional teams in resolving major incidents.
• Handle service requests beyond Level 1 support.
• Identify devices needing upgrades based on BCS reports.
• Monitor emails and track responses.
• Manage incidents, service requests, catalogs, knowledge, changes, problems, CMDB/assets, templates, monitoring, and events.

Must Have Skills

• Network Security
• Infrasec

Nice to have skills:

Strong research, critical thinking, and analysis skills (formal training a bonus)

Understanding of concepts such as the intelligence cycle, Cyber Kill Chain, and MITRE ATT&CK framework

Minimum years of experience: 8-10 years

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Information Technology

Industries

• IT Services and IT Consulting

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