Principal Network Security Engineer

Entrust Corp.; Newbury; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading security solutions provider in the UK is seeking a Principal Network Engineer to lead the development and maintenance of secure networks. Responsibilities include mentoring engineers, collaborating on network designs, and implementing security measures. The ideal candidate has extensive experience with enterprise networks, automation frameworks, and various networking technologies. This position offers opportunities for career growth and flexibility in a collaborative environment.

Benefits

Career growth initiatives

Flexible work options

Collaborative team environment

Qualifications

• 8+ years of High Availability, High Security experience.
• CCIE/CCDE qualification or equivalent experience preferred.
• 2+ years of public cloud experience preferred.

Responsibilities

• Lead and support network service implementation and maintenance.
• Collaborate with network architects to design and implement networks.
• Mentor junior engineers and conduct regular network performance tests.

Skills

Network administration

Problem-solving skills

Cloud experience

Documentation skills

Project management

Education

College or University Degree in Computer Science or related field

Tools

Cisco OS

Palo Alto

F5

VMWare

Job description

Join us at Entrust

At Entrust, we're shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.

Get to Know Us

Headquartered in Minnesota, Entrust is an industry leader in identity‑centric security solutions, serving over 150 countries with cutting‑edge, scalable technologies. But our secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future.

Entrust is currently looking for a Principal Network Engineer to develop and maintain functional and secure networks. You will mentor a team of engineers to troubleshoot and optimize our networks for our users. In this role, you should have excellent problem‑solving skills and thorough knowledge of network administration and architecture. If you’re also passionate about security and data protection, we’d like to meet you.

Position Overview

The Principal Network Engineer manages and maintains our company’s computer networks. This involves planning and developing solutions for crucial infrastructure initiatives to maintain a vision for the corporate network infrastructure. In addition, this role provides high‑level technical guidance and support for the enterprise network structure, as well as mentorship and guidance for a team of engineers that troubleshoot and optimize our networks. To ensure success as a Principal Network Engineer, you should have extensive experience working with enterprise networks, and advanced project management skills.

Responsibilities

• 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.

Basic Qualifications

• 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.

Preferred Qualifications

• 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
  • F5

Ready to Make an Impact?

We’re excited by the prospect of innovating, growing your career, and collaborating in a dynamic environment. Entrust is the place for you. Join us in making a difference. Let’s build a more secure world—together.

Apply today!

For more information, visit www.entrust.com. Follow us on LinkedIn, Facebook, Instagram, and YouTube.

What you can expect

• Career Growth: Whether you're a budding developer or a seasoned expert, we're invested in your professional journey. With learning‑forward initiatives and exciting challenges, your growth is our priority.
• Flexibility: Life is all about balance. Whether you're remote, hybrid, or on‑site, we offer flexible options that fit your lifestyle.
• Collaboration: Here, your voice matters. Our teams thrive on sharing ideas, brainstorming solutions, and working together to build a better tomorrow.

We believe in securing identities—but it doesn’t stop there. At Entrust, we’re passionate about valuing all identities. Our culture is built on diversity, inclusion, and respect. From unconscious bias training for our leaders to global affinity groups that connect colleagues across the globe, we’re creating a community where everyone is encouraged to be themselves.

For US roles, or where applicable:

Entrust is an EEO/AA/Disabled/Veterans Employer.

For Canadian roles, or where applicable:

Entrust values diversity and inclusion and we are committed to building a diverse workforce with wide perspectives and innovative ideas. We welcome applications from qualified individuals of all backgrounds, and we strive to provide an accessible experience for candidates of all abilities.

If you require an accommodation, contact [e-mail].

Recruiter:

Neha Rathore – [e-mail]