At a Glance
- Tasks: Support and enhance infrastructure security while tackling complex technical challenges.
- Company: Join a forward-thinking firm prioritising security in a dynamic environment.
- Benefits: Competitive salary, professional growth, and a collaborative team culture.
- Other info: Office-based role with opportunities for continuous learning and career advancement.
- Why this job: Make a real impact on security strategies in an evolving tech landscape.
- Qualifications: 5+ years in infrastructure and security with hands-on experience in Windows and Linux.
The predicted salary is between 60000 - 75000 £ per year.
We are seeking a hands-on Infrastructure & Security Engineer with strong expertise across server, network, and security domains. Security is a core priority for this role, and the successful candidate will play a key part in strengthening and evolving the firm's security posture in response to an increasingly complex threat landscape, including emerging risks associated with AI. This is a broad and technically engaging role, combining day-to-day operational support with project delivery and ongoing security enhancement. The role requires a proactive individual who can operate as both a technical expert and a thought partner, contributing to secure infrastructure design and continuous improvement. This role is office-based and requires five days per week on-site presence.
Key Responsibilities
- Provide advanced technical support across infrastructure, including server, network, and security-related incidents and service requests.
- Act as an escalation point for 2nd and 3rd line issues across desktop, server, and network environments.
- Support and maintain network infrastructure, including firewalls, switches, VPNs, and wireless systems (primarily Cisco-based).
- Own and drive security best practices, including system hardening, patching, vulnerability remediation, and endpoint protection.
- Monitor and respond to security events, including log analysis and threat identification, with awareness of modern attack vectors (including AI-enabled threats).
- Contribute to the design and implementation of secure infrastructure solutions across both BAU and project work.
- Collaborate closely with infrastructure and security teams to deliver enhancements and strategic initiatives.
- Create and maintain clear documentation, including SOPs, architecture diagrams, and runbooks.
- Participate in an on-call rotation to support critical systems outside business hours.
Requirements
- Minimum 5+ years' experience in infrastructure, networking, and security roles.
- Strong hands-on experience with Windows Server and Linux (Red Hat/CentOS).
- Solid networking knowledge, including TCP/IP, VLANs, VPNs, DNS, DHCP, with practical experience in Cisco environments.
- Demonstrated experience implementing and supporting security controls, including patch management and system hardening, endpoint protection and monitoring, identity and access management.
- Good understanding of cyber security principles, including modern threat landscapes and evolving risks (e.g. automation and AI-driven attack vectors).
- Experience with virtualisation (VMware) and enterprise storage (SAN/NAS).
- Scripting or automation experience (e.g. PowerShell, Bash) is advantageous.
- Experience in financial services or regulated environments is preferred.
- Strong troubleshooting skills with a structured and analytical approach.
- Able to balance BAU responsibilities with project delivery effectively.
- A thoughtful and forward-looking mindset, with the ability to identify risks and propose improvements.
- Clear and confident communicator, able to engage with both technical and non-technical stakeholders.
- Self-motivated, accountable, and willing to take ownership of issues end-to-end.
- Collaborative and adaptable, with a practical and solutions-focused approach.
Senior On-Site Infrastructure & Security Engineer employer: Capula
As a Senior On-Site Infrastructure & Security Engineer, you will thrive in a dynamic work environment that prioritises security and innovation. Our company fosters a collaborative culture where your expertise will directly contribute to enhancing our security posture amidst evolving threats, particularly those posed by AI. With ample opportunities for professional growth and a commitment to employee development, we offer a rewarding career path in a supportive office-based setting that values your contributions and encourages continuous improvement.
StudySmarter Expert Advice🤫
We think this is how you could land Senior On-Site Infrastructure & Security Engineer
✨Tip Number 1
Network, network, network! Get out there and connect with people in the industry. Attend meetups, conferences, or even online webinars. You never know who might have a lead on your dream job!
✨Tip Number 2
Don’t just apply for jobs; engage with the companies you’re interested in. Follow them on social media, comment on their posts, and show genuine interest in what they do. This can help you stand out when it comes to interviews.
✨Tip Number 3
Prepare for interviews by researching common questions in the infrastructure and security field. Practice your answers, but also be ready to discuss your hands-on experience with Windows, Linux, and networking. We want to see your expertise shine!
✨Tip Number 4
Finally, don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Senior On-Site Infrastructure & Security Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience in infrastructure, networking, and security. Use keywords from the job description to show we’re on the same page about what you bring to the table.
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Share specific examples of how you've tackled security challenges and contributed to secure infrastructure design. Let us see your passion for the role!
Showcase Your Technical Skills:Don’t hold back on detailing your hands-on experience with Windows Server, Linux, and Cisco environments. We want to know how you’ve implemented security controls and managed vulnerabilities in past roles.
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 during the process!
How to prepare for a job interview at Capula
✨Know Your Tech Inside Out
Make sure you brush up on your technical skills, especially around Windows and Linux environments. Be ready to discuss specific incidents where you've provided advanced support or resolved complex issues, as this will show your hands-on experience.
✨Showcase Your Security Savvy
Security is a big deal for this role, so be prepared to talk about your experience with security controls and best practices. Bring examples of how you've implemented patch management, system hardening, or responded to security events, especially in relation to modern threats like AI.
✨Communicate Clearly and Confidently
You’ll need to engage with both technical and non-technical stakeholders, so practice explaining complex concepts in simple terms. Think about how you can demonstrate your communication skills during the interview, perhaps by discussing a project where collaboration was key.
✨Be Proactive and Solutions-Focused
This role requires a proactive mindset, so come prepared with ideas on how to improve security posture or enhance infrastructure. Think about potential risks you've identified in past roles and how you proposed solutions, as this will highlight your forward-looking approach.
