IT Security Engineer

Kyowa Kirin; Marlow; On-site; GBP 34,000 - 51,000; Full time

Job summary

Kyowa Kirin International plc is seeking an IT Security Engineer in Marlow to enhance and defend our enterprise network, data centre, and cloud environments. You will work with infrastructure and security teams to reduce cyber risk, improve resilience, and respond to evolving threats.

The role requires 3–5 years in security or infrastructure engineering, strong knowledge of firewalls, IDS/IPS, and vulnerability management, plus experience with cloud platforms.

Qualifications

• 3-5 years' experience in Security Engineering, Network Engineering, or Infrastructure Engineering.
• Strong knowledge of firewalls, networking, IDS/IPS, and vulnerability management.
• Experience securing enterprise infrastructure and virtualised environments.
• Understanding of cyber attack techniques and defensive controls.
• Knowledge of Azure and/or AWS is desirable.
• Scripting or automation experience (PowerShell, Python, etc.) is a plus.
• A proactive problem-solver with a security-first mindset and strong collaboration skills.

Responsibilities

• Design, implement and optimise security controls across network and cloud environments.
• Manage and improve firewall, IDS/IPS, and vulnerability management solutions.
• Identify security weaknesses and drive remediation activities.
• Support incident response and security investigations.
• Improve infrastructure logging, monitoring, and threat detection capabilities.
• Partner with global teams to strengthen security standards and best practices.

Skills

Security engineering

Networking

Cloud security

Scripting/automation

Threat detection

Tools

PowerShell

Python

Azure

AWS

Job description

Overview

IT Security Engineer

at Kyowa Kirin International plc

Marlow – United kingdom

WE PUSH THE BOUNDARIES OF MEDICINE.

LEAPING FORWARD TO MAKE PEOPLE SMILE

At Kyowa Kirin International (KKI), our purpose is to make people smile. This means more than drug discovery and development; it is about embedding care into everything we do to make a difference every day for those that need it most. We’re an inclusive pharmaceutical company that takes time to understand what really matters to our patients, their families, and their healthcare professionals, helping our people to take bold actions that deliver life-changing solutions sooner. Our culture is rooted in our values: Teamwork, Commitment to Life, Innovation, and Integrity. They help us to push boundaries to deliver extraordinary impact and make KKI a brilliant place to work.

Job Purpose

At Kyowa Kirin International, we're looking for a talented Security Engineer to help enhance and defend our enterprise network, data centre, and cloud environments. This is a hands‑on role where you'll work alongside infrastructure and security teams to reduce cyber risk, improve resilience, and respond to evolving threats.

Responsibilities

Key Responsibilities:

• Design, implement and optimise security controls across network and cloud environments.
• Manage and improve firewall, IDS/IPS, and vulnerability management solutions.
• Identify security weaknesses and drive remediation activities.
• Support incident response and security investigations.
• Improve infrastructure logging, monitoring, and threat detection capabilities.
• Partner with global teams to strengthen security standards and best practices.

Qualifications

Position Requirements

• 3-5 years' experience in Security Engineering, Network Engineering, or Infrastructure Engineering.
• Strong knowledge of firewalls, networking, IDS/IPS, and vulnerability management.
• Experience securing enterprise infrastructure and virtualised environments.
• Understanding of cyber attack techniques and defensive controls.
• Knowledge of Azure and/or AWS is desirable.
• Scripting or automation experience (PowerShell, Python, etc.) is a plus.
• A proactive problem-solver with a security-first mindset and strong collaboration skills.

Why Join Kyowa Kirin?

You’ll be part of a highly collaborative global security team, working on meaningful initiatives that directly strengthen our cyber resilience. This role offers the opportunity to influence security strategy, drive continuous improvement, and make a real impact across the organisation.

If you're passionate about cyber security and enjoy solving complex challenges, we'd love to hear from you.

Salary range: between GBP £33,971.00/Yr. and GBP £50,956.00/Yr.