Network Team Lead

Sanderson Government & Defence; Stevenage; On-site; GBP 70,000 - 95,000; Full time

Job summary

Sanderson Government & Defence is seeking an experienced Cisco Telephony & Videoconferencing Team Lead to drive delivery, support and continuous improvement of our Cisco Collaboration environment. You will combine hands-on technical expertise with leadership, owning telephony and video services in a global, customer-focused setup.

You will lead a team of engineers, escalate complex incidents, and oversee projects from design to implementation, ensuring high-quality service delivery and

Qualifications

• 5+ years in Cisco Unified Communications and Collaboration environments.
• Demonstrated leadership of technical teams and projects.
• Strong knowledge of CUCM, Unity Connection, Jabber and Cisco video solutions.

Responsibilities

• Lead and mentor a team of engineers and technicians.
• Act as senior escalation point for complex incidents and outages.
• Lead Cisco Telephony and Videoconferencing projects from design through implementation.
• Drive Major Incident, Problem Management, and RCA activities.
• Collaborate with customers and internal teams to deliver high-quality services.
• Ensure knowledge transfer and adherence to technical standards.
• Maintain and review HLDs/LLDs and technical documentation.
• Oversee testing, validation, and implementation of hardware/configurations.

Skills

Cisco Unified Communications

Team leadership

SIP & H.323 protocols

CUCM

Unity Connection

Jabber

CMS

TMS

Video Endpoints

VMware v7/v8

English communication

Tools

Kurmi

Telisca

RTMT

Prognosis

PeterConnects

Job description

We are looking for an experienced Cisco Telephony & Videoconferencing Team Lead to lead the delivery, support, and continuous improvement of our Cisco Collaboration environment. This role combines hands‑on technical expertise with team leadership, taking ownership of Cisco telephony and video conferencing services in a global, customer-focused environment.

Key Responsibilities

• Lead and mentor a team of engineers and technicians.
• Act as the senior technical escalation point for complex incidents and major outages.
• Lead Cisco Telephony and Videoconferencing projects from design through implementation.
• Drive Major Incident, Problem Management, and Root Cause Analysis activities.
• Collaborate with customers, Service Delivery Managers, and technical teams to deliver high-quality services.
• Ensure knowledge transfer, technical standards, and operational excellence across the team.
• Maintain and review HLDs, LLDs, procedures, and technical documentation.
• Oversee testing, validation, and implementation of hardware and configurations.

Essential Skills & Experience

• 5+ years experience in Cisco Unified Communications and Collaboration environments.
• Strong expertise in:
  • Cisco Unified Communications Manager (CUCM)
  • Unity Connection
  • Jabber
  • Cisco IP Phones
  • Cisco Meeting Server (CMS)
  • Cisco TelePresence Management Suite (TMS)
  • Cisco Video Endpoints
• Strong knowledge of SIP and H.323 protocols.
• Experience with VMware v7/v8.
• Proven experience leading technical teams, projects, or service delivery activities.
• Fluent English (written and spoken).

Desirable Skills

• Kurmi, Telisca, RTMT, Prognosis, PeterConnects
• WAN/LAN networking and security
• Systems administration and desktop environments

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.