At a Glance
- Tasks: Design and support advanced firewall solutions to secure enterprise networks.
- Company: Join a leading tech firm in Sheffield with a hybrid work model.
- Benefits: Competitive daily rate, flexible working, and opportunities for professional growth.
- Other info: Dynamic team environment with potential for long-term contract until 2027.
- Why this job: Make a real impact on network security while working with cutting-edge technologies.
- Qualifications: 5+ years in firewall engineering with expertise in Fortinet and Juniper.
The predicted salary is between 50000 - 60000 € per year.
Duration: contract to run until 01/11/2027
Location: Sheffield, Hybrid 3 days per week onsite
Rate: up to £432.40 p/d Umbrella inside IR35
Role Purpose / Summary
We are seeking an experienced Firewall Engineer to join the Firewall Engineering team, responsible for designing, implementing, and supporting enterprise network security solutions. The role requires strong hands‑on expertise with Fortinet and Juniper firewalls and the ability to operate at Level 3 (L3) support within a complex enterprise environment.
Key Responsibilities
- Design, implement, and support Fortinet and Juniper firewall platforms.
- Provide L3 support for firewall‑related incidents, problems, and complex service requests.
- Troubleshoot advanced network and security issues across enterprise environments.
- Manage firewall rulebases, NAT policies, security zones, and objects in line with security standards.
- Support firewall changes, upgrades, patching, and migrations.
- Perform root‑cause analysis and drive permanent fixes for recurring issues.
- Collaborate with network, security, and infrastructure teams to ensure secure connectivity.
- Ensure compliance with internal security policies and regulatory requirements.
- Maintain accurate documentation, configurations, and operational procedures.
- Participate in on‑call rotas and provide out‑of‑hours and weekend support when required to support business‑critical services and incident resolution.
Required Skills & Experience
- Minimum 5 years of hands‑on experience in firewall engineering or network security roles.
- Strong expertise in Fortinet (FortiGate) and Juniper (SRX) technologies.
- Solid understanding of L3/L4 networking concepts, routing, and traffic flow.
- Proven experience providing L3 operational support in production environments.
- Strong troubleshooting and analytical skills.
- Ability to work effectively under pressure, including during major incidents.
Desirable
- Experience working in regulated or enterprise environments (e.g. banking or financial services).
- Exposure to high‑availability designs, VPN technologies, and security best practices.
- Relevant vendor certifications (e.g. Fortinet NSE, Juniper JNCIA/JNCIS).
Firewall Engineer in Sheffield employer: Experis UK
Join a forward-thinking company in Sheffield as a Firewall Engineer, where you will be part of a dynamic team dedicated to enhancing enterprise network security. With a strong emphasis on employee growth and development, we offer a collaborative work culture that values innovation and expertise, alongside competitive rates and the flexibility of a hybrid working model. Our commitment to maintaining high standards in security and compliance ensures that you will be working on meaningful projects that have a real impact on our clients' operations.
StudySmarter Expert Advice🤫
We think this is how you could land Firewall Engineer in Sheffield
✨Tip Number 1
Network like a pro! Attend industry meetups or online webinars related to firewall engineering. It’s a great way to connect with potential employers and other professionals who might know of job openings.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Fortinet and Juniper firewalls. This can really set you apart during interviews and give you something tangible to discuss.
✨Tip Number 3
Practice makes perfect! Prepare for technical interviews by brushing up on your troubleshooting skills and L3 support scenarios. Mock interviews with friends or colleagues can help you feel more confident.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities that might be just right for you. Plus, it’s a straightforward way to get your application in front of the right people.
We think you need these skills to ace Firewall Engineer in Sheffield
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with Fortinet and Juniper firewalls. We want to see how your skills match the role, so don’t be shy about showcasing your L3 support experience!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Tell us why you’re passionate about firewall engineering and how your background makes you the perfect fit for our team. Keep it engaging and relevant!
Show Off Your Troubleshooting Skills:In your application, give examples of complex network issues you've resolved. We love seeing your analytical skills in action, especially when it comes to security challenges!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Experis UK
✨Know Your Firewalls Inside Out
Make sure you brush up on your knowledge of Fortinet and Juniper firewalls. Be ready to discuss specific features, configurations, and troubleshooting techniques you've used in past roles. This will show that you're not just familiar with the technology but can also apply it effectively.
✨Prepare for Scenario-Based Questions
Expect to face scenario-based questions that test your problem-solving skills. Think about complex incidents you've resolved in the past and be prepared to walk through your thought process and the steps you took to achieve a solution. This demonstrates your hands-on experience and analytical skills.
✨Showcase Your Team Collaboration Skills
Since the role involves working closely with network, security, and infrastructure teams, be ready to share examples of how you've successfully collaborated in previous positions. Highlight any projects where teamwork was crucial to achieving security goals or resolving incidents.
✨Stay Calm Under Pressure
The interview may include questions about handling high-pressure situations, especially during major incidents. Share your strategies for maintaining composure and effectiveness when things get tough. This will reassure them that you can handle the demands of the role.
