3rd Line Technical Support Engineer

Spherica

3rd Line Technical Support Engineer providing Infrastructure, Network, and Security management in a remote role. Join a rapidly growing IT managed service provider with a focus on automation and innovation.

Posted 7/7/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSenior💰 £40,000 - £45,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in IT Infrastructure, Networking, and Security management, with a focus on maintaining high availability and security of technical operations. Proficient in managing relationships with clients and stakeholders while adhering to best practices in a 24/7 operational environment.

Highest-signal resume keywords

IT Infrastructure ManagementNetworking PrinciplesSecurity Best PracticesFortinet SDWANCisco Meraki Wi-Fi

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Routing and SwitchingWAN TechnologiesLAN TechnologiesFirewall SolutionsSIEMDLPVulnerability ManagementCyber Threat IntelligenceEndpoint Protection

Soft Skills

Relationship ManagementStakeholder Engagement

Tools & Technologies

Fortinet FirewallCisco ISE

Tech Stack

Tools & technologies

Switching

About the role

Key responsibilities & impact

Support with day-to-day tasks in all aspects of Infrastructure, Network, and Security management responsibilities
Oversee various processes and maintain relationships with high profile clients and stakeholders
Adhere to best practices to ensure the reliability and security of the Customer’s technical operations
Work in a 24/7 operational team under a DuPont shift pattern ensuring uninterrupted support and coverage to clients

Requirements

What you’ll need

Strong understanding of IT Infrastructure, Networking, and Security principles and best practices
Experience with routing and switching and WAN/LAN technologies
Proficient knowledge of firewall solutions, both physical and virtual
Strong knowledge of Fortinet SDWAN, Firewall Switch technologies, Cisco ISE and Cisco Meraki Wi-Fi
Experience with operating and maintaining IT Security controls related to SIEM, DLP, Vulnerability Management, Cyber Threat Intelligence, and Endpoint Protection

Benefits

Comp & perks

22 days holiday basic
Additional birthday day off
Additional holiday day for each service year after year 2, up to 30 days
£20 Birthday Voucher
Purchase of additional pension contributions (salary sacrifice)
Recruitment Referral Incentive (£200-£500 reward depending on level of role) for recommending a friend - T&C apply)
Expensed eye tests
Expensed flu vaccinations for onsite workers
Spherica Wellbeing Services benefits encompass an Employee Assist Program, Gym & Active discounts, retail discount and salary sacrifice schemes including Cycle to Work and Purchase of Leave.
Enhanced Paternity Pay
Enhanced Maternity Pay - with 2 years' service