Principal Network Security Engineer

Entrust Datacard; Newbury; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading security solutions company in Newbury is looking for an experienced network engineer to lead network service implementation and maintenance. The ideal candidate will have over 8 years of experience in high availability and security environments, familiarity with F5 and Palo Alto technologies, and strong problem-solving skills. The role offers flexible working options—remote, hybrid, or on-site—to suit your lifestyle. Join a team committed to your career journey.

Benefits

Flexible working options

Qualifications

• 8+ years of High Availability, High Security, Internet Data Center Experience.
• CCIE/CCDE qualification is desirable.
• 2+ years of public cloud experience preferred.

Responsibilities

• Lead network service implementation and maintenance.
• Collaborate to design and implement functional company networks.
• Monitor network performance to identify necessary adjustments.

Skills

Network security measures

Cisco OS

Problem solving skills

Documentation skills

Project coordination

Education

College or University Degree in Computer Science, Information Systems

Tools

F5

Palo Alto

VMWare

Cisco ACI

Job description

* Lead and support network service implementation and maintenance including accurate and up to date network designs and documentation.* Collaborating with network architects to design and implement functional company networks.* Analyze and confirm the information demands and functional requirements in collaboration with internal and external customers* Adopt network security measures after organizing, planning, and safeguarding data, software, and hardware* Monitor network performance to identify necessary adjustments and improvements* Cooperate with technology suppliers to offer business-focused solutions* Provide technical leadership to teams working on deployment and support* Ensure the stability of the working environment before, during, and after system updates* Establish and maintain strong cross-functional working connections with corporate and local teams* Resolve issues escalated by lower support tiers and provide support for those tiers as needed* Configure firewalls, routing, and switching to maximize network security and efficiency* Utilize online resources and documentation to gain knowledge about new or unfamiliar technology* Installing and configuring networking hardware.* Creating and implementing network security measures.* Mentoring and guiding junior Network Engineering staff.* Conducting regular network performance tests.* Delegating networking maintenance tasks to junior staff.* Dealing with escalated network support issues.* Drawing up network status reports.* College or University Degree in Computer Science, Information Systems, or a related discipline or equivalent combination of education and work experience* Cisco CCIE/CCDE qualified is desirable or CCNP level equivalent experience* 8+ years of High Availability, High Security, Internet Data Center Experience and the requisite rigor needed to operate in that environment* 2+ years of public cloud experience preferred but not required* Experience in with automation and deployment frameworks to deploy network services* Documentation skills and experience* Design and deployment experience with most of the following technologies: F5, Palo Alto, Windows Server, VMWare, SD Wan, Network Virtualization* Must be able to lawfully work within the US and have unrestricted work authorization for US* Strong organization skills and detail-oriented* Excellent problem solving skills* Knowledge of ITSM/ITIL* Project coordination and management experience* Experience with the following: + Cisco OS, FW, Switches, Routers + Palo Alto, FWs + Cisco ACI + F5At Entrust, we don’t just offer jobs – we offer career journeys. Here is what you can expect when you join our team:Flexibility: Life is all about balance. Whether you’re remote, hybrid, or on-site, we offer flexible options that fit your lifestyle.