Syestem Operations Engineer

Systems Operations Engineer

Location: Basingstoke

Salary: up to £55,000 (based on experience)

To architect, maintain, and continuously enhance the organisation's mission-critical voice networking and server infrastructure, ensuring optimal performance, security, and availability of hosted telephony platforms.

The role also serves as a senior escalation point for complex technical issues, requiring advanced diagnostic capabilities and a proactive approach to resolution within defined SLA parameters.

Responsibilities:

• Act as a senior technical escalation resource for hosted voice platforms.

• Recommend and implement infrastructure improvements aligned with industry best practices.

• Ensure compliance with security standards and operational policies.

• Apply and manage system updates, patches, and in-house software deployments.

• Design, implement, maintain and optimise network infrastructure supporting hosted voice and cloud platforms, ensuring performance, resilience, security, and scalability.

• Lead infrastructure projects from design through to delivery, managing scope, budget, and timelines.

• Regularly attend datacentres and offices for maintenance, testing, and training activities.

• Conduct onboarding and validation of SIP handsets and peripherals.

• Maintain comprehensive technical documentation and process guides.

Skills and Experience:

·Experience managing cloud telephony and multi-tenant environments.

·Strong network infrastructure knowledge, including switches, routers, firewalls, VPNs, and network security.

·Linux (Ubuntu/CentOS) and Windows Server administration experience.

·Solid understanding of enterprise networking, including TCP/IP, VLANs, routing, NAT, and firewall management.

·Experience troubleshooting complex network and VoIP environments, including SIP/RTP and packet analysis using Wireshark.

·SIP School Certification (or equivalent).

·Good working knowledge of MySQL, including query and script creation.

·Strong analytical, problem-solving, and diagnostic skills.

·Experience with SIP endpoints such as Cisco, Yealink, Poly, and Grandstream.

·Ability to communicate technical information clearly to a range of audiences.

·Strong organisation, attention to detail, and risk awareness.

Benefits:

• 21 Days Holiday – increasing to 22 days after 3 years and to 25 days after 5 years
• Birthday Day Off
• Buy Holiday Scheme
• Career Development and Progression Opportunities
• Employee Assistance Programme
• Enhanced Company Sick Pay
• Discounted Retail Vouchers
• Reduced Gym Membership
• SCG Mobile Benefit
• Employee Referral Bonus
• Annual Salary Reviews
• Pension Scheme
• Onsite Canteen (offering free croissants and free freshly made soup daily)
• Free On-Site Parking
• Charity Events

SCG is proud to be an equal opportunities employer.
We welcome applications from all parts of the community and are committed to upholding the principles of the Equality Act 2010.

We are committed to supporting applicants with disabilities. We will endeavour to make necessary adjustments to ensure a fair and accessible recruitment process.