Network Security Firewall

2 weeks ago

Sydney, New South Wales, Australia BURGEON IT SERVICES Full time
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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