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Network Engineer L3
Not disclosed
Salary
Not disclosed by employer
£45,600
Going rate
Skilled Worker going rate
This role likely qualifies for a Skilled Worker visa
Our predicted code SOC 2137 (72% match) is an eligible occupation, with a going rate of £45,600, and Claranet is a licensed sponsor. That is our reading of the published rules. Whether they issue a Certificate of Sponsorship is still their call.
About the role
Position Summary
The Level 3 Network Operations Engineer delivers advanced operational support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance standards.
Primary Purpose
Provide expert technical leadership for diagnosing, resolving, and optimising complex network issues. Lead configuration management and compliance, support onboarding and automation initiatives, and drive continuous improvement within regulated environments.
Duties and Responsibilities
Essential Roles & Responsibilities
- Diagnose and resolve complex incidents across SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing platforms, ensuring compliance with financial services regulations
- Implement network configuration changes using approved templates and security baselines, maintaining audit trails
- Validate device configurations, firmware posture, and compliance with golden standards and sector-specific requirements
- Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines
- Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates
- Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met
- Contribute to CMDB enrichment through topology validation and asset reconciliation
- Support automated impact assessments and change risk analysis, with a focus on operational resilience
- Participate in continuous service improvement (CSI) initiatives, such as monitoring optimisation and capacity analysis
Financial Services & Regulatory Compliance
- Ensure all network operations adhere to financial services regulations and frameworks (e.g., FCA, PRA, DORA, ISO 27001, SOC)
- Maintain documentation and audit trails for all changes, incidents, and compliance activities
- Support risk assessments, compliance reviews, and operational audits as required
- Integrate regulatory requirements and security controls into network designs and operations
Governance & Reporting
- Maintain accurate incident, request, and change records in ServiceNow
- Produce and present operational reports, dashboards, and summaries for internal and customer stakeholders, highlighting compliance, risk management, and performance
- Support governance initiatives including process improvement, risk analysis, and post-implementation reviews
Key Skills
- Advanced routing & switching (BGP/OSPF, ACLs, NAT)
- SDWAN technologies (e.g. Fortinet, Cisco)
- Wireless LAN operations and performance tuning
- Familiarity with F5 or equivalent load-balancing platforms
- Exposure to automation or scripting (Python, Terraform, Ansible)
- Strong troubleshooting and analytical skills
- Experience with network compliance, configuration management, and infrastructure documentation
- Familiarity with automation frameworks and CI/CD for network configuration (Python, Terraform, Ansible)
Position Specifications
Behavioural Competencies – Organisational & Behavioural Fit
Essential:
- 4+ years’ hands-on experience in network engineering, including advanced support and implementation for regulated/financial environments
- Strong understanding of network principles, design, operational environments, and compliance requirements
Highly Desirable:
- Experience in managed service or telecom environments, especially for financial services clients
- Hands-on provisioning/troubleshooting with Voice technologies (Avaya, Cisco Call Manager)
- Relevant certifications (CCNP, Fortinet NSE5/7, Meraki ECMS2, F5)
- Experience with SolarWinds, Infoblox, Zero-Touch Deployment, automation tools
This description is the source posting as it read when we added it. We are not affiliated with Claranet, so check their own site for the current details.
Where this offer sits in the market
SOC 2137 · UK · ONS ASHE 2025 · ~37k in sampleSimilar sponsored roles
See all jobsNo close matches live right now.
Browse more sponsored jobs at ClaranetAbout sponsorship for this role
Does this job guarantee visa sponsorship?
Not necessarily. Claranet holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 2137 going rate of £45,600. New-entrant and shortage discounts can lower it.