Networks and Communications Engineer

SIG plc; Sheffield; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Competitive salary

25 days + 8 holidays

Company pension

Life assurance

Share incentive plan

Employee discounts

Development opportunities

Job summary

SIG Plc. is seeking an IT Infrastructure Engineer to join the UK IT Team, maintaining a reliable systems infrastructure and supporting WAN/LAN, VoIP and security services across the business.

You will work with 3rd party providers, respond to incidents, review updates and help automate operations. Ideal candidates will have CCNA or equivalent, experience with Cisco Webex Calling, Microsoft Entra ID/365 and a proactive approach to problem solving in a busy environment.

Qualifications

• Experience supporting LAN, WAN, Wi‑Fi in an enterprise environment.
• Experience supporting VoIP/UC with Cisco Webex Calling preferred.
• CCNA certification or equivalent experience preferred.

Responsibilities

• Deliver and maintain a reliable IT infrastructure and resources.
• 3rd line incident response and ticket handling for IT systems.
• Create, edit and respond to system alerts and escalations.
• Review hot fixes and updates from 3rd party providers.
• Document policies and procedures.
• Work with cross-functional IT teams and stakeholders.
• Develop automation/AI-assisted processes for deployment and monitoring.

Skills

LAN/WAN/Wi‑Fi

VoIP/UC (Cisco Webex)

Cisco CLI (CCNA)

ITSM processes

Automation/AI tools

Project collaboration

Structured projects

Education

CCNA certification

Tools

Cisco Webex Calling

Microsoft Entra ID/365

Windows Server

Job description

SIG Plc. is a leading supplier of specialist building materials to trade customers across Europe with strong positions in its core markets as a specialist distributor of insulation and interiors products and as a merchant of roofing and exteriors products.

What is the role:

Working within the SIG UK IT Team to provide day-to-day operation and project support, liaising with SIG IT third party solution providers to help troubleshoot, deploy and maintain SIG standards. This role requires knowledge of WAN, Internet, LAN, Wi-Fi, Firewalls, IP Telephony and Video Conferencing technologies. This role will also require a familiarity with elements of Cloud and Infrastructure O365, Azure, server and end-user computing infrastructure.

Success in this role requires strong technical, troubleshooting, organisational, planning and communication skills. The role is expected to identify opportunities to reduce manual effort through automation, use AI-enabled tools appropriately to improve analysis and productivity, and support consistent execution at scale while limiting avoidable errors.

SIG currently operates in more than 170 branches and head offices with over 3000 employees across the UK.

What you will be doing:

• Responsible for delivering and maintaining a highly reliable systems infrastructure, as well as providing recommendations for effective and efficient management of IT system resources
• 3rd line incident response and trouble ticket handling for issues impacting the IT systems infrastructure
• Create, edit and react to system alerts and service or incident escalations
• Review and organize latest hot fixes, critical updates and version upgrades handled by 3rd party providers
• Provide and assist in the creation of documentation, policies and procedures
• Work with cross functional IT teams and business stakeholders to troubleshoot issues and or execute projects
• Develop systems, automation, AI-assisted processes and operational tools that make deploying, updating, monitoring and supporting infrastructure simpler, more efficient, more reliable and faster.

What you will bring:

Essential

• Experience supporting LAN, WAN, Wi-Fi, routing and firewall technologies in an enterprise environment.
• Experience supporting VoIP and unified communications services, with Cisco Webex Calling experience preferred.
• Working knowledge of Cisco CLI, with CCNA certification or equivalent experience preferred.
• Strong troubleshooting and problem-solving skills, with the ability to analyse technical issues and identify practical resolutions.
• Knowledge of IT service management processes, including incident, problem, change and configuration management.
• Awareness of automation and AI-enabled tools that can improve operational efficiency, troubleshooting, monitoring or documentation.
• Able to review supplier Statements of Work and Bills of Materials, escalating concerns where they do not align with SIG standards or requirements.
• Self-motivated and detail-focused, with the ability to prioritise work effectively in a busy operational environment.
• Able to work collaboratively with internal teams, suppliers and business stakeholders.
• Experience supporting work delivered through structured project or programme management approaches.

Desired

• Familiarity with Microsoft Entra ID, Microsoft 365, Teams, SharePoint and related cloud services.
• Familiarity with server operating systems and Microsoft Windows 11.

What we offer:

• Competitive salary
• 25 days holiday + 8 bank holidays. Company closed during Christmas period
• Company pension with up to 7.5% employer contribution.
• Life assurance (up to 4x salary).
• SIG Share Incentive Plan
• Employee Discounts from top high street and online brands
• Access to structured development through our Operations Academy, Apprenticeships, and on-demand training via our Learning System.

At SIG PLC, we recognise the value our employees bring. In return, you'll be part of a supportive team with opportunities to grow, train, and build a long-term career.

SIG is committed to creating a fair and inclusive environment where employees feel safe, proud, and valued. We welcome talent that reflects the diverse customers and communities we serve. If you require any accommodations during the recruitment process, please let us know.

Due to the high volume of applications we receive, we reserve the right to close a vacancy earlier than the advertised closing date. Once a vacancy has closed, we are unfortunately unable to consider additional applications — we therefore encourage you to apply as soon as possible to avoid disappointment.

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