Senior Technical Consultant

Cisilion; Greater London; On-site; GBP 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a Cisco-focused Senior Technical Consultant to join their dynamic team. This role involves consulting and implementing technical projects while collaborating with various teams to deliver exceptional solutions. With a strong emphasis on Cisco technologies and extensive experience in network design and deployment, this position offers a unique opportunity to lead and innovate in a fast-paced environment. If you are passionate about technology and eager to make an impact, this could be the perfect fit for you.

Qualifications

• 5+ years of hands-on SMB and Enterprise wired campus design and deployment experience.
• Extensive experience in Cisco solutions and advanced routing protocols.
• Leads technically from the front, setting standards for others.

Responsibilities

• Consulting, designing, planning, and implementing technical projects.
• Delivering technical presentations and solution demonstrations.
• Preparing proposals, bid responses, and documentation.

Skills

Cisco Catalyst and Nexus routing and switching

Cisco Secure Firewall

Advanced routing protocols

VPNs (Site-to-Site, Remote Access)

Network Access Control (NAC)

Cisco Wireless integration

Education

Cisco Certified Networking Professional (CCNP) - Enterprise

Cisco Certified Networking Professional (CCNP) - Security

CCNA / CCNP DevNet

Tools

Cisco Identity Services Engine (ISE)

Terraform

Ansible

Job description

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Head of Talent at Cisilion | Delivering Beyond Expectations

Cisilion has an exciting opportunity for a Cisco-focused Senior Technical Consultant to join on a permanent basis. We strive to consistently deliver beyond our clients’ and employees’ expectations, providing world-class service and market-leading technology solutions. With over 23 years of collective expertise, 25+ industry awards, 100% organic revenue growth since 2019, and over 60% three-year headcount growth serving 250+ clients worldwide, we are committed to excellence.

THE ROLE

The Senior Technical Consultant (L6) within Cisilion Professional Services is responsible for consulting, designing, planning, and implementing technical projects. Collaborating closely with Principal Technical Consultants, Presale Architects, and other teams, the role also supports Sales and Solutions teams by providing technical expertise to close sales and propose solutions that better serve our clients.

Responsibilities include delivering technical presentations, solution demonstrations, designing and configuring solutions, preparing proposals, bid responses, Statement of Work, and documentation such as HLD and LLD. All colleagues must be eligible for Security Clearance and adhere to Cisilion policies and GDPR best practices.

KNOWLEDGE & EXPERIENCE

- 5+ years of hands-on SMB and Enterprise wired campus design and deployment experience.

- Extensive experience in designing and deploying:

• Cisco Catalyst and Nexus routing and switching, including traditional and software-defined solutions (SDA, Catalyst Center / DNAC)
• Cisco Catalyst SD-WAN and related services
• Cisco Secure Firewall and components (Management, Secure Client, Policy, NAT, AMP, URL Filtering, TLS Offload, IDS/IPS)
• Cisco Identity Services Engine (ISE) and integrations (SDA, 802.1X, EAP, pxGrid)
• Cisco SASE & SSE solutions
• Advanced routing protocols (BGP, MP-BGP, MPLS, VxLAN EVPN, ECMP, OSPF, Multicast)
• Advanced switching (StackWise Virtual, Spanning Tree, IGMP, QoS/CoS)
• VPNs (Site-to-Site, Remote Access, IPsec, SSL)

- A thorough understanding of:

• Layer-3 to Layer-7 firewalling, including migrations (e.g., Fortinet to Cisco)
• Cisco Wireless and integration with SMB and Enterprise networks
• Forward and Reverse Proxy, WAF technologies
• Network Access Control (NAC), 802.1X, EAP, PKI
• MFA/2FA/Duo

Knowledge of the following is advantageous but not mandatory:

• Cisco Computing (UCS, FI, SAN, Fibre Channel)
• HPE Aruba CPPM, Microsoft NPS
• Fortinet FortiGate, FortiSwitch, FortiManager/Analyzer
• Palo Alto firewalls, Panorama, Strata Cloud
• Azure cloud networking
• Deploying virtual firewalls on cloud platforms
• Terraform and Ansible

- Leads technically from the front, setting standards for others.

- Maintains industry-recognized certifications, technical training, and vendor relationships.

- Exhibits excellent time management, planning, and communication skills.

- Demonstrates extensive commercial awareness to safeguard company interests.

- Has comprehensive knowledge of technical infrastructure hardware, software, and solutions.

- Delivers quality, consistency, and continuous improvement.

- Prior experience in IT services, channels, or value-added resellers is preferred.

CERTIFICATIONS

• Active Cisco Certified Networking Professional (CCNP) - Enterprise
• Active Cisco Certified Networking Professional (CCNP) - Security
• CCNP Data Center
• CCNA / CCNP DevNet
• Equivalent certifications in other vendors (Fortinet, Palo Alto)

Seniority Level

• Mid-Senior level

Employment Type

• Full-time

Job Function

• Information Technology

Industries

• IT Services and Consulting