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Network Security Engineer - Palo Alto Firewalls, DNS, VPN's
Posted 1 day 20 hours ago by La Fosse Associates
£50,000 - £70,000 Annual
Permanent
Full Time
Other
Cambridgeshire, Cambridge, United Kingdom, CB4 1DJ
Job Description
Network Change Management 
- Manage and execute firewall, VPN, and DNS security change requests through ServiceNow.
- Verify rule requests against security policies, standards, and design principles.
- Implement and document firewall rules in enterprise and data centre environments.
- Coordinate with requestors, network engineers, and project teams to minimise disruption.
- Monitor and report change SLAs and dependencies.
- Provide day-to-day support for firewall infrastructure and associated tooling (e.g., Cisco ASA/FTD, or equivalent).
- Conduct troubleshooting and validation testing after changes are made.
- Identify and address misconfigurations for optimal security and business enablement.
- Develop knowledge base articles, process maps, and technical documentation.
- Identify and report potential risks or vulnerabilities related to network security configurations.
- Collaborate on automation and process improvement initiatives.
- Ensure compliance with internal standards, audits, and operational procedures.
- Participate in daily huddles and provide peer review for change management work.
La Fosse Associates
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