Gavin Davey - Network IP & Security Analyst

Senior IP Security Analyst (Contract to January 2013) at O2 Ireland



Current location


Work category

IT and Technology



**** Only interested in contract roles ****

Organised and highly accomplished technical contractor with a successful track record in delivering complex systems & solutions in the IT industry.

Currently contracting at the moment, am available for extra work.

Significant experience of networking and security in large enterprise environments and best practice implementations with many industry leading suppliers. Extensive technical experience across many platforms and technologies with detailed technical capabilities in networking and IP platforms.

Excellent communication skills with a strong customer focus. Ability to converse at all levels, simplify complex technical language, influence where necessary and build successful working relationships. Strong self motivation with a successful record of delivery in high pressure environments to time and budget.

Attending B.Sc. (Hons) Information Systems, part time in Trinity College.

Gavin Davey's Professional Experience

2011 - Present

O2 Ireland - Senior IP Security Analyst (Contract to January 2013)

Checkpoint expertise.
In dept knowledge of Cisco Secure ACS/AAA.
Cisco Security Expertise - PIX/ASA/FWSM.
Security Audit Expertise (both internal and external).
Network device security audit - Cisco router/switches, Checkpoint firewalls.
Network Security backup and ISec Security documentation creation and annual updates.
Creation of security procedures including backup procedures.
Auditing of security logs and reporting of possible threats.
Auditing of firewall rulebases to ensure compatibility with security policy.
Ensure security standards are being met in day to day running of network.
Knowledge transfer to existing IP & Security team.
Provide technical support to the Service Management Centre Engineers.
Fault investigation and correction on Cisco hardware.
Perform Installation and configuration of Cisco routers/switches.
Perform Installation and configuration of VPN solutions and firewalls (mixed vendors).
Provide daily analysis of network logs for abnormalities.
Perform hardware and software upgrades as required.
Perform agreed changes on "live" IP Network.
Assist with the integration of new elements and services into the network.
Interface with the Engineering groups in the design and implementation of new IP networks architecture.

Key Skills
architecture ASA Auditing checkpoint Cisco Cisco ASA Cisco CCNP engineering engineers Firewall audit firewalls network security Network security audit pix Technical Support VPN
2007 - 2011

KPMG - Network Security Analyst


• Responsible for all LAN and WAN connectivity across Dublin and regional offices.
• Ongoing security auditing of network perimeter security on all links and internet facing devices on DMZs with vulnerability analysis and penetration testing of infrastructure.
• Implementing server hardening policies to ensure infrastructure security.
• Auditing IT infrastructure to ensure compliance with security policies and standards.
• Provision of technical security information to various business departments.
• Ensure compliance with key infrastructure with risk management policies.
• Implementation of all internet based devices, secure file transfer, file collaboration, iPhone gateways, VPNS, proxy servers and SMTP AV/anti-spam devices.
• Administration and monitoring of all Cisco switches, routers and firewalls.
• Firewall management and migration.
• Network diagrams and documentation.
• Dealing with security incidents.
• Redundant remote access implementation with IPsec and SSL. Project management and implementation.
• Researching current security issues to identify and mitigate possible future security threats.
• Support and implement technical security standards.
• Tendering and purchasing of new equipment services for projects or new system installs.
• Point of escalation for help desk and all IT department issues.

Key Skills
Administration Auditing Cisco firewalls internet Project Management proxy Purchasing Risk Management
2007 - 2011

KPMG - Network Security Analyst

• Over 10 years supporting high end firewall, routing and switching systems.
• Security auditing, penetration testing and risk assessment.
• Security hardening, Intrusion Prevention Systems and network vulnerability scanning.
• Cisco - Extensive experience in the configuration of Cisco hardware including PIX and ASA firewalls, routers, switches in LAN/WAN environment. Firewall feature sets, PIX and ASA administration. VPN configuration C2G and S2S including new Cisco AnyConnect SSL clientless web based VPN. Network protocols, EIGRP, OSPF and BGP. Router redundancy protocols, VRRP.
• Managing network infrastructure such as firewalls, switches, routers, intrusion prevention systems.
• Responsible for troubleshooting and investigating network and security incidents, review and audit changes to production environments and change control auditing.
• Squid proxy servers running on Debian based systems.
• Host and network packet capture and analysis with wireshark.
• SSL certificate deployment for RSA redundant VPN systems 2000+ users.
• Accellion secure FTP gateways for secure file transfer and file collaboration.
• iPhone email gateways with ISA and Exchange.
• RSA SecureID- Installation/migration/upgrading RSA servers including iPhone tokens.
• C#/.NET programming and trading experience with automated trading strategies, backtesting and optimisation. Knowledge of various trading platforms and financial instruments such as futures, equities, ETF's, FX and options on all of the above.
• Linux - Installation, administration and troubleshooting. Proxy's, firewalls and mail servers.
• Checkpoint - Installation and administration.
• Ciphertrust Ironmail - Installation and administration. Redundant email gateways for 2000+ users with TLS encryption.
• Sonicwall - Installation, configuration and administration.
• Barracuda - Installation, configuration and administration.
• Watchguard - WFS and Fireware Pro Installation, configuration and remote administration.
• Symantec SGS - Installation, configuration, remote management, VPNs and troubleshooting.
• Auditing infrastructure against security policies

Key Skills
Administration Auditing Cisco COBIT firewalls FTP information security Information security management internet ISA IT Security Linux network security OS hardening Penetration Testing programming Project Management proxy Purchasing security audit VPN Vulnerability scanning
2004 - 2007

Eurokom - Senior Security and Firewall Engineer

• Working with large range of firewall products, focusing mainly on Symantec and Watchguard devices.
• Security auditing of perimeter devices and server hardening.
• Firewall installation or upgrade on customer sites.
• Remote monitoring of assorted customer appliances and administration or trouble shooting.
• Daily addition of rules and/or VPN tunnels, C2G or G2G.
• Third level support for customer issues, liaising with third party suppliers to ensure issues are resolved.
• Remote management of Cisco boxes, troubleshooting and administration.

Key Skills
Administration Auditing Cisco VPN
2000 - 2004

Decision Support Systems - Systems Engineer

Systems and Cisco Engineer

Key Skills
Cisco Engineer

Gavin Davey's Education and Qualifications


Bachelor/Degree - Business Information Systems, B.S.c (Hons) Information Systems

Trinity College, Dublin

Scrum/Agile, java programming, mobile app development, enterprise architecture, UML data flow process diagramming.


Bachelor/Degree - Business Information Systems

Trinity College Dublin


Bachelor/Degree - Business Studies with Accounting, Industry Certifications

Institute of Technology, Tallaght


Bachelor/Degree - , Secondary School

RockBrook Park School

Gavin Davey's Additional Information



Cisco CCNA
Cisco CCNP
Cisco PIX (SNPA)
Symantec SCTA Firewalls & Int Sec Products
Windows 2000 (70-210)
Network+ Certification Exam