Senior Cisco Telephony Architect (DRWN)

Darwin Recruitment; Stevenage; Hybrid; GBP 96,000 - 165,000; Part time

Job summary

Darwin Recruitment seeks a Senior Cisco Telephony Architect for a 6-month freelance engagement in Stevenage. Hybrid work with a client in defence, focusing on secure voice and UC design. You will lead architecture, ensure resilience, and coordinate with enterprise platforms and teams.

The role demands deep CCIE/CCNP-level expertise, strong security knowledge, and proven delivery of complex Cisco telephony solutions in regulated environments.

Qualifications

• 8+ years in Cisco telephony and UC architecture.
• Experience securing voice architectures in highly regulated environments.
• Experience integrating with Microsoft Teams and enterprise platforms.

Responsibilities

• Design secure, resilient Cisco telephony and UC architecture.
• Deliver integration with enterprise communication platforms.
• Collaborate with client teams in a hybrid delivery model.

Skills

Cisco telephony

Voice architecture

CUCM

Unity Connection

Webex

SIP

VoIP

Enterprise telephony

Security & IAM

Zero Trust

Network security

Teams integration

Education

Cisco CCIE Collaboration (preferred)

CCNP Collaboration

Job description

Job title – Senior Cisco Telephony Architect

Client Location – Stevenage, United Kingdom

Remote work offering – Hybrid

Client Industry – Defence / Aerospace / Highly Regulated Enterprise

Contract Length – 6 months

Contract type – Freelance

Project focus

Designing and delivering a secure, resilient Cisco telephony and unified communications architecture for a client operating in a highly regulated sector, including integration with enterprise communication platforms.

Key skills and Experience required

• 8+ years in Cisco telephony, voice and unified communications architecture, ideally within defence, aerospace, government or other highly regulated sectors
• Strong expertise in Cisco Collaboration, CUCM, Unity Connection, Webex, SIP, VoIP and enterprise telephony
• Proven experience designing and implementing secure, resilient and highly available voice architectures across complex enterprise environments
• Strong knowledge of network security, IAM, encryption, firewalls, QoS and Zero Trust principles
• Experience integrating Cisco telephony with Microsoft Teams, contact centres and other enterprise communication platforms
• Experience working with classified/sensitive environments, government security standards or security-cleared projects highly desirable
• Cisco certifications such as CCIE Collaboration, CCNP Collaboration or equivalent advantageous

Minenhle Mdluli