ECNS (Enterprise Cybersecurity and Network Solutions), part of Emerson’s Global Enterprise IT Organisation is looking to recruit a Firewall Engineer.
ECNS design and operate our Wide Area Network, External Connectivity, Wireless and Data Switching environments. Over the past few years the number of Firewalls we maintain, and associated rulesets has continued grow, particularly internal segmentation.
This role will be focused on ensuring all our firewalls are operationally maintained to a standard, including software versions, features and rulesets once operational.
This includes both external and internal segmentation firewalls.
PRINCIPLE FUNCTIONAL RESPONSIBILTIES
Works closely with the External Access Service Owner, using our Firewall Assessment Tool, to maintain firewall rulesets to include : Unused Rules / Objects Shadow Rules
ensuring appropriate action is taken
Works closely with the External Access Service Owner, using our Firewall Assessment Tool, to constantly review the risk scores of our firewall rules.
Based on this risk, when required, work to mitigate the risk working closely with security.
Works closely with the External Access Service Owner to ensure rule owner audits are conducted on a periodic basis to confirm rules are still valid
Works closely with the External Access Service Owner to review audits of firewall changes submitted within our change control system to ensure we remain compliant with our policies on a monthly basis
Works closely with the External Access Service Owner on major firewall ruleset reviews and required remediation
Drives any firewall software upgrades to ensure these are completely in a timely manner
BA / BS in Information Systems or related area required
Excellent Communication and Teamwork skills
Advanced English language skills (verbal, reading, writing, understanding)
Experience of working in a global environment essential
Process Discipline and Documentation skills essential
Minimum of five years experience in the design, implementation and operation of networks, including firewalling
Experience with an Enterprise Firewall Platform, Cisco or Palo Alto preferred
Experience with a Firewall Assessment Tool such as Firemon preferred but not essential
Experience with Service Now and its change management system preferred but not essential