Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Manage patch updates and ensure system security across diverse environments.
- Company: Dynamic IT company with a focus on infrastructure solutions.
- Benefits: Competitive salary, pension scheme, 26 days holiday, and professional development support.
- Why this job: Join a proactive team and make a real impact in enterprise environments.
- Qualifications: 5+ years in systems engineering and strong troubleshooting skills required.
- Other info: Hybrid work model with opportunities for travel and diverse tech exposure.
The predicted salary is between 36000 - 60000 £ per year.
We are seeking a skilled and proactive IT System Engineer to join our London-based infrastructure team. The successful candidate will be responsible for the delivery of patch management services and the hands-on installation of updates, upgrades, patches, and hotfixes across enterprise environments. This role is both customer-facing and internally focused, requiring work at our London office, remote support, and on-site visits to Network Rail & TfL customer locations across Greater London and surrounding areas. The position requires strong technical capability, excellent documentation skills, and a professional approach when operating within client environments.
Key Responsibilities
- Patch & Update Management
- Plan, test, schedule and deploy patches, updates, service packs, upgrades, and hotfixes.
- Manage structured patch cycles (monthly, emergency, zero-day response).
- Perform pre-deployment testing and post-implementation testing & validation.
- Maintain patch compliance reporting and remediation tracking.
- Ensure minimal disruption to production systems.
- Updates to various Linux distributions, Ubuntu, Debian, Red Hat etc.
- Updates to Windows Server (2016/2019/2022) & Windows 10/11 environments.
- Configure and administer WSUS.
- Deploy firmware updates and patches for Cisco routers and switches, Cisco firewalls, and Juniper firewalls.
- Perform configuration backups and validation before changes.
- Assist with vulnerability remediation and security audits.
- Manage patching and lifecycle updates for VMware environments.
- Maintain and upgrade VMware ESXi hosts and vCenter.
- Ensure VM availability during maintenance cycles.
- Deliver on-site patching and maintenance at customer locations.
- Provide clear communication before, during, and after maintenance windows.
- Produce change documentation and implementation reports.
- Work within ITIL change control processes.
Required Skills & Experience
- Essential
- 5+ years' experience in infrastructure or systems engineering roles.
- Experience delivering structured patch management processes.
- Knowledge of change management and maintenance windows.
- Excellent troubleshooting and root-cause analysis skills.
- Strong hands-on experience with some, or all of the following:
- Windows Server & Windows Workstation environments
- Linux Operating Systems
- WSUS administration
- Cisco routers & switches
- Cisco and Juniper firewalls
- VMware vSphere (ESXi, vCenter, vLCM)
- HPE & Dell server firmware
- Familiarity with backup solutions.
- Exposure to automation (PowerShell scripting).
- ITIL Foundation certification.
- Vendor certifications (Microsoft, Cisco, VMware, Juniper).
- Experience working within Network Rail or Transport for London industry sectors.
Personal Attributes
- Professional and customer focused.
- Highly organised with strong documentation skills.
- Comfortable working out-of-hours during maintenance windows.
- Strong communication skills (written and verbal).
Working Conditions
- Hybrid working model (London office, remote, and customer sites).
- Occasional evening or night work during planned maintenance windows.
- Travel within Greater London and surrounding areas.
What We Offer
- Competitive London-based salary.
- Company pension scheme.
- 26 days Holiday plus Bank Holidays.
- Employee portal.
- Professional development and certification support.
- Exposure to diverse enterprise customer environments.
- Opportunity to work across multi-vendor infrastructure technologies.
System Engineer - Infrastructure employer: Telent Technology Services Limited
Contact Detail:
Telent Technology Services Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land System Engineer - Infrastructure
✨Tip Number 1
Network like a pro! Get out there and connect with folks in the industry. Attend meetups, webinars, or even local tech events. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio or a personal website showcasing your projects and achievements. This is a great way to demonstrate your hands-on experience with patch management and infrastructure systems to potential employers.
✨Tip Number 3
Don’t just apply blindly! Tailor your approach for each role. Research the company and mention specific projects or values that resonate with you in your conversations. This shows you're genuinely interested and not just sending out cookie-cutter applications.
✨Tip Number 4
Apply through our website! We’ve got a streamlined process that makes it easy for you to showcase your skills. Plus, it gives us a chance to see your application in the best light possible. Don’t miss out!
We think you need these skills to ace System Engineer - Infrastructure
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the System Engineer role. Highlight your experience with patch management and any relevant technical skills that match the job description. We want to see how your background fits with what we’re looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your skills can benefit our team. Keep it professional but let your personality come through – we love a bit of character!
Show Off Your Documentation Skills: Since strong documentation skills are key for this role, make sure to mention any relevant experience in your application. Whether it’s change documentation or implementation reports, we want to know how you keep things organised and clear.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets to us quickly and efficiently. Plus, you’ll find all the details you need about the role and our company culture there!
How to prepare for a job interview at Telent Technology Services Limited
✨Know Your Patch Management Inside Out
Make sure you brush up on your patch management processes. Be ready to discuss how you've planned, tested, and deployed patches in previous roles. Highlight any structured patch cycles you've managed and be prepared to share specific examples.
✨Demonstrate Your Technical Skills
Since this role requires strong technical capabilities, ensure you can talk confidently about your experience with Windows Server, Linux distributions, and network devices. Bring up any hands-on experience you have with Cisco or Juniper firewalls, as well as VMware environments.
✨Show Off Your Documentation Skills
Documentation is key in this role, so be ready to discuss how you've maintained compliance reporting and produced change documentation in the past. Mention any tools or methods you use to keep your documentation organised and clear.
✨Prepare for Customer Engagement Scenarios
As this position involves customer-facing responsibilities, think of examples where you've communicated effectively with clients during maintenance windows. Be ready to explain how you handle on-site visits and ensure minimal disruption to their operations.