Job Description
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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📌 Network Security Firewall & Policies Consultant (New South Wales)
🏢 Burgeon IT Services
📍 New South Wales