All Jobs Vacancy

3rd Line Technical Specialist

Posted 1 day ago by Omega

Job Role – 3rd Line Technical Specialist

Reporting to the Technical Support Manager the Technical Specialist shall play a pivotal role in delivering complex technical solutions and smaller change initiatives.

You will work closely with stakeholders across PMO, Architecture, and the wider business, ensuring alignment with governance standards and technical strategy.

The successful candidate will be comfortable working across several projects or changes concurrently, demonstrating agility and strong organisational skills.

This is a senior technical role for a seasoned professional with deep expertise in infrastructure and project delivery, capable of operating at pace across multiple workstreams.

Duties – 3rd Line Technical Specialist

  • Deliver project implementation across IT infrastructure.
  • Create Low-Level Designs (LLDs) and configuration workbooks for all implementations, following internal standards.
  • Plan and execute build, configuration, and migration tasks across on-premises and cloud platforms.
  • Ensure all technical implementations and changes comply with Premier Foods’ change control process.
  • Complete production handovers with Service Operations, including knowledge articles, monitoring/alerting, reporting, and DR/backup readiness before warranty/ELS exit.
  • Play a pivotal role in service transition, ensuring the service catalogue is updated with new request items.
  • Provide Early Life Support (ELS) post go-live, track known errors, and schedule readiness reviews for transition to BAU.
  • Operate within PMO stage-gate governance; prepare status updates, acceptance criteria, and ensure solution design meets ARB/security requirements for larger initiatives.
  • Liaise with and supervise external suppliers when they are the primary delivery resource; validate designs, check deliverables against contracts/SLAs, and drive remediation.
  • Ensure all operational activity aligns with Enterprise Architecture principles, policies, and guidelines.
  • Perform upgrades and maintenance on technologies supporting Premier Foods environments in line with manufacturer recommendations.
  • Document all deliverables in accordance with stipulated guidelines and the IT Security Policy.

Experience/Qualifications – 3rd Line Technical Specialist

  • Skilled in ITIL practices, particularly relating to change management.
  • Strong understanding of core IT infrastructure components across compute, storage, and virtualisation.
  • Practical, detailed knowledge of Microsoft ecosystem technologies: Windows Server, Active Directory, Microsoft Endpoint Configuration Manager (MECM), Print Services, Entra ID, Intune, AutoPilot, and related tools.
  • Knowledge of enterprise networking, including SD-WAN architecture and optimisation.
  • Hands-on experience with network switching (Aruba/Cisco), advanced routing, and firewall technologies.
  • Expertise in Windows desktop deployment and lifecycle management using Intune/SCCM.

Candidates who are currently a

Principal Infrastructure Engineer, Senior Infrastructure Engineer, Lead Infrastructure Engineer, Infrastructural Technical Lead, Principal Systems Engineer, Infrastructure Architect, Solutions Architect, Senior Technical Lead, Delivery Lead and Infrastructure Programme Engineer could be suitable for this role.

Rate:
£575/day
Location:
Southampton
IR35 Status:
Outside
Remote Status:
Hybrid
Industry:
IT
Seniority Level:
Senior

Take-Home Pay

£9,600 per month

Visit calculators for additional details

Create a free account to view the take-home pay for this contract

Share job