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:

Robust 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 (Sydney)
🏢 Burgeon IT Services
📍 Sydney