{bc}
Apply
company_site

Infrastructure Engineer (L4)

Claranet
GBR
Full-time
Senior Level
Hybrid
Discovered 2 weeks ago
Free

Job Fit Check

Base Career helps you apply smarter for this job.

?%
Ready to Scan
Smart Apply

Full Job Posting

Position Summary

  • Deliver resilient, secure, and compliant infrastructure solutions
  • Act as senior technical authority for complex infrastructure and recovery scenarios
  • Improve service quality, recoverability, and operational efficiency
  • Reduce risk through strong design, governance, and documentation
  • Increase customer confidence and satisfaction through expert delivery and assurance

Duties And Responsibilities

  • Design, implement, and support complex infrastructure solutions across on premises, private cloud (VMware) environments including VMware NSX-T
  • Lead planning, execution and disaster recovery activities from a VMware platform and networking perspective.
  • Ensure infrastructure services are available, performant, and operating as designed
  • Support the team to operate enterprise grade backup, recovery, and data protection solutions, ensuring alignment with RPO/RTO requirements
  • Act as the recognised NSX-T authority within the Hosting team
  • Own NSX-T design standards, reference architectures, patterns and build documentation
  • Deliver structured knowledge transfer, training and mentoring to raise NSX-T capability across the team, reducing single-person dependency
  • Represent platform networking in design authority, change advisory and architecture forums
  • Own the NSX-T upgrade and lifecycle roadmap across the estate
  • Act as senior technical escalation points for infrastructure and networking related incidents and changes
  • Lead root cause analysis for major incidents
  • Mentor junior engineers and support skills development across the team
  • Act as a customer facing technical lead during complex implementations and migrations
  • Support pre sales activities including solution design, validation, and technical assurance
  • Provide confident, credible technical communication to senior customer stakeholders
  • Ensure customer solutions are delivered to time, cost, quality, and regulatory expectations
  • Work closely with Project Management and Service Delivery teams to ensure smooth transition into live service
  • Ensure infrastructure services are fully documented, tested, and operationally ready
  • Support lifecycle activities including upgrades, refreshes, and decommissioning
  • Participate in on call rotations and support out of hours activities where required
  • Identify and deliver improvements to infrastructure, platforms, tooling, and processes
  • Support product and service development including vendor selection, testing, and operationalisation
  • Maintain and improve documentation, runbooks, and knowledge artefacts
  • Ensure infrastructure and backup services comply with financial services regulations and frameworks (e.g. FCA, PRA, DORA, ISO 27001, SOC)
  • Design and operate solutions that support operational resilience, business continuity, and disaster recovery
  • Maintain audit ready documentation, recovery evidence, and control records
  • Support regulatory audits, customer assurance activities, and risk assessments
  • Ensure data protection, encryption, access control, and segregation requirements are met
  • Maintain accurate technical documentation, diagrams, and recovery artefacts
  • Contribute to service reporting, risk tracking, and improvement actions
  • Support governance forums, service reviews, and technical design authorities
  • Ensure infrastructure metrics support compliance and assurance needs

Position Specifications

  • Senior technical presence with confidence and gravitas
  • Calm, methodical, and decisive under pressure
  • Strong sense of ownership and accountability
  • Proactive, improvement focused mindset
  • Excellent communicator with technical and non technical audiences
  • Willingness to lead from the front and mentor others
  • Proven experience as a senior infrastructure engineer supporting VMware mission critical environments
  • Deep, hands-on experience designing, implementing and operating VMware NSX-T / NSX 4.x in production, including Tier-0 and Tier-1 gateways, edge nodes and edge clusters, segments and overlay/VLAN transport zones, and NSX Manager lifecycle and upgrades
  • Distributed Firewall and micro-segmentation policy design, plus gateway firewalling and NAT
  • Dynamic routing and peering between NSX and physical fabric (BGP, ECMP, VRF), and NSX load balancing / IPsec & L2 VPN
  • Troubleshooting overlay networking end to end (Geneve/TEP, MTU, uplink profiles, traceflow, packet capture)
  • Strong understanding of operational resilience, DR, and business continuity requirements
  • Ability to analyse, design, implement, and support solutions to time, cost, and quality targets
  • Excellent written and verbal communication skills, including customer facing engagement
  • Relevant technical qualifications or equivalent experience (e.g. VCP-NV, CCNA/CCNP)
  • Experience within a managed service provider (MSP) or regulated services environment
  • Automation and infrastructure-as-code for VMware platforms — PowerCLI, Terraform, Ansible or equivalent — and comfort scripting repeatable operational tasks
  • Experience in backup and recovery technologies, including enterprise backup platforms and recovery testing
  • Knowledge of backup platforms such as Veeam, Commvault, Rubrik, or similar
  • Knowledge of Azure and hybrid integration
  • Experience with service transition and ITIL aligned delivery models
  • Familiarity with PCI DSS and other financial services security standards
  • Advanced technical certifications (e.g. VMware, Cisco, Veeam)
  • Standard business hours, with participation in an on call rota (1 in 4, compensated)
  • Occasional weekend engineering coverage will be required, typically limited to a small number of planned weekends per year, to support business continuity, resilience testing, or disaster recovery activities

Apply for this job in 1 click

Skip the repetitive application forms

Install the Base Career Chrome Extension and autofill job applications across major job boards with your profile.

Sarah M.James T.Maya R.

Trusted by over 500,000 job seekers on Base Career

Start Free Today

More from this employer

More jobs at Claranet

Change Technical Lead

Gloucester, GBR

Discovered 2 days agoFull-time

Account Manager

London, GBR

Discovered 2 days agoFull-time

Accounts Payable Analyst

, IND

Discovered 2 days agoFull-time

Level 4 Network Operations Engineer - Player/Coach

Gloucester, GBR

Discovered 1 weeks agoFull-time

IT Support & Information Security Engineer

, IND

Discovered 1 weeks agoFull-time

Senior Finance Business Partner - Commercial

Gloucester, GBR

Discovered 2 weeks agoFull-time

SOC Shift Lead

Leeds, GBR

Discovered 2 weeks agoFull-time

Penetration Tester

London, GBR

Discovered 2 weeks agoFull-time