Network Voice Engineer (Level 4) - Government

Hamilton Barnes; Gloucester; Hybrid; GBP 40,000 - 50,000; Full time

Benefits offered by this job

Additional on-call allowance

Continued technical progression

Job summary

Hamilton Barnes is seeking a Network Voice Engineer for one of Britain’s oldest rural police forces. You will own complex voice incidents, manage migrations, and drive improvements across CUCM, SIP/VoIP, and enterprise telephony platforms.

Hybrid working with 2–3 days per week in Gloucester; on-call 1-in-4; permanent position. Salary £40,000–£50,000, basic plus on-call allowance and ongoing technical progression.

Qualifications

• Strong enterprise voice engineering experience.
• Level 3 or Level 4 support capability.
• CUCM experience.
• Strong SIP and VoIP understanding.
• Experience troubleshooting complex voice faults.
• Understanding of dial plans and call routing.
• Experience supporting migrations or upgrades.
• Ability to take technical ownership of incidents.
• Good wider networking knowledge.
• Strong troubleshooting methodology.
• Comfortable working within a collaborative engineering team.
• Typically focus on practical experience over certifications.

Responsibilities

• Provide senior Level 3 / Level 4 voice engineering support
• Take ownership of complex voice incidents
• Support and administer enterprise telephony platforms
• Troubleshoot difficult call-routing and signalling issues
• Support upgrades, migrations and platform changes
• Provide technical escalation for other engineers
• Contribute to voice architecture and service improvements
• Work across voice and wider network dependencies
• Support resilience and service-continuity improvements
• Work with internal infrastructure teams and suppliers
• Maintain technical documentation and engineering standards
• Participate in the engineering on-call rota

Skills

Enterprise voice

Level 3/4 support

CUCM experience

SIP/VoIP

Troubleshooting voice faults

Dial plans & call routing

Migrations/upgrades experience

Incident ownership

Networking knowledge

Troubleshooting methodology

Team collaboration

Practical experience over certs

Job description

Keen to join a company that champions growth and development?

Join one of Britain’s oldest rural police forces, covering around 1,000 square miles of countryside, forest, and valley alongside busy urban centres, and serving a large, business-critical public-sector environment.

Applications are open for a Network Voice Engineer to join an established network and communications team in a senior, hands-on engineering position sitting above standard Level 3 support. The ideal candidate will take responsibility for complex voice incidents, engineering changes, migrations, and technical improvements across an environment that combines traditional enterprise voice technologies, collaboration platforms, and wider network infrastructure.

Ready to take your expertise to the next level? Get in touch today!

Responsibilities:

• Provide senior Level 3 / Level 4 voice engineering support
• Take ownership of complex voice incidents
• Support and administer enterprise telephony platforms
• Troubleshoot difficult call-routing and signalling issues
• Support upgrades, migrations and platform changes
• Provide technical escalation for other engineersContribute to voice architecture and service improvements
• Work across voice and wider network dependencies
• Support resilience and service-continuity improvements
• Work with internal infrastructure teams and suppliers
• Maintain technical documentation and engineering standards
• Participate in the engineering on-call rota
• Cisco Unified Communications Manager, CUCM
• Cisco Call Manager
• Cisco UCCE / contact-centre technologies
• Microsoft Teams telephony
• SIP
• VoIP
• Voice gateways
• Dial plans
• Call routing
• IVR
• Call queues
• Enterprise voice services

Skills/Must Have:

• Strong enterprise voice engineering experience
• Level 3 or Level 4 support capability
• Cisco Call Manager / CUCM experience
• Strong SIP and VoIP understanding
• Experience troubleshooting complex voice faults
• Understanding of dial plans and call routing
• Experience supporting migrations or upgrades
• Ability to take technical ownership of incidents
• Good wider networking knowledge
• Strong troubleshooting methodology
• Comfortable working within a collaborative engineering team
• A typical discussion with the hiring manager will focus less on certifications and more on practical experience.
• You should be able to explain an enterprise voice environment you have supported, the individual technologies within it, how they interacted and what your personal responsibilities were.

Desirable Skills:

• LAN and WAN
• Routing and switching
• VLANs
• Voice VLANs
• QoS
• Firewalls
• Network security
• Cisco infrastructure
• Troubleshooting packet loss, latency and connectivity issues

Location & Working Pattern:

• 1-in-4 on-call rota
• Hybrid working
• 2 to 3 days per week in Gloucester
• Permanent position

Benefits:

• Additional on-call allowance
• Opportunity for continued technical progression

Salary:

• £40,000 to £50,000 basic salary