3rd Line IT Support Engineer

Company: SER
Apply for the 3rd Line IT Support Engineer
Location: Cornwall
Job Description:

Overview

In this role you will lead complex IT projects and serve as a senior escalation point within an MSP. You will work closely with senior leadership to guide strategic technical initiatives and shape customer roadmaps. You’ll stay hands-on while developing others and influencing technical operations across diverse environments. This opportunity offers a clear path into technical leadership within a collaborative, customer-focused team.

Pay / Benefits

  • salary aligned with experience
  • opportunity to progress into technical leadership
  • influence over technical processes and technology adoption
  • exposure to strategic customer projects
  • support for certifications and professional development
  • varied technical environment and collaborative culture

Responsibilities

  • Own and deliver technically demanding projects from planning to delivery
  • Collaborate with senior leadership on strategic technical initiatives
  • Act as the senior technical contact for key customers
  • Lead technical reviews and help shape technology roadmaps and infrastructure strategies
  • Handle advanced escalations requiring deep troubleshooting
  • mentor and develop junior engineers
  • Contribute to technical procedures, processes and systems
  • Create and maintain high-quality technical documentation
  • Evaluate and adopt new technologies and solutions where valuable
  • Work across varied tech stacks and customer bases, with occasional onsite support

Key requirements

  • Senior technical level with MSP or managed IT experience
  • Tier 3 / 3rd Line or senior IT engineering experience
  • Strong troubleshooting and problem-solving across complex IT environments
  • Experience leading technical projects from planning to delivery
  • Confidence communicating with customers at senior technical level
  • Experience mentoring or supporting junior engineers
  • Proactive in improving technical processes and ways of working
  • Strong documentation and communication skills
  • Interest in emerging technologies and ongoing skill development
  • Ability to work independently and in a close-knit team
  • strong communication
  • mentoring and coaching
  • proactive process improvement
  • Tier 3 / 3rd Line experience
  • complex troubleshooting across IT environments
  • project leadership

Posted: September 14th, 2026