Opticore IT are currently searching for a Network Engineer to ensure the reliable, secure, and continuous operations of a new Data Centre network and support infrastructure. Youll join our excelling team in a leading Financial Services client, based in the London area up to 3x days a week.
Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast‑paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more.
The Network Engineer will provide higher‑level monitoring, triage, troubleshooting, and implementation of network and security changes, bridging the gap between standard NOC operations and senior engineering support.
What youll be doing:
* 24/7 Infrastructure Monitoring: Monitor the Data Center network and support systems to ensure continuous uptime and performance.
* Incident Triage and Troubleshooting: Identify, diagnose, and resolve network and support infrastructure issues; elevate to relevant teams when necessary.
* Network Configuration and Changes like (but not limited to):
o Implement DNS changes
o Create new scopes in Infoblox
o Add or modify firewall rules
o Security Support: Work with Palo Alto and Fortigate firewalls and related management tools to maintain security policies and controls.
o Independent Work: Manage tasks and incidents autonomously, demonstrating accountability and problem‑solving skills.
o Customer Interaction: Communicate professionally with internal and external customers as required.
o Collaboration: Coordinate with the existing support engineer and other teams to maintain 24/7 coverage and consistent operational standards.
What youll bring:
* Strong understanding of core routing and switching concepts DC WAN VXLAN EVPN
* Experience troubleshooting Layer 2 and Layer 3 network issues.
* Ability to analyse network behaviour and resolve incidents independently.
* Experience monitoring network and infrastructure environments in a production or data centre setting.
* Experience working with enterprise firewalls such as Palo Alto or Fortigate.
* Experience managing DNS changes.
* Knowledge of IP address management tools, ideally Infoblox.
What you’ll gain:
Here at OpticoreIT we believe in investing in our team as we understand that we are only as great as our engineers, so learning and development is a big deal for us. Whether you’re going for a CCNP, CCIE, Hashicorp, Python, Cloud Technology or anything in between OpticoreIT has your back with all our training, labs, courses, and shared knowledge and the most important part it’s all free! On top of that, we also give you:
* Competitive Salary & discretionary bonus
* 23 days holiday + bank holidays
* Private healthcare & dental
* Pension
* EV car, workplace nursery, tech, and cycle‑to‑work salary sacrifice schemes
* Team & Company Social events
* EMI share scheme
Diversity:
At OpticoreIT we embrace diversity and are committed to equal opportunities. We actively recruit for an inclusive and diverse workforce and as such, want to ensure we do everything we can to support your application. We want you to feel empowered to let us know if you require any adjustments to be made with your application or interview process so, please speak to our recruitment team.
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