Technical Solution Architect
Job in
London, Greater London, EC1A, England, UK
Listed on 2026-01-12
Listing for:
Syntax Consultancy Ltd
Full Time, Contract
position Listed on 2026-01-12
Job specializations:
-
IT/Tech
Systems Engineer, IT Consultant, Cloud Computing, Cybersecurity
Job Description & How to Apply Below
5 Month Contract
London (Remote, Hybrid)
£330-£400/day (Outside IR35)
Technical Solution Design Lead / Technical Authority experience needed for a 5 Month Contract mainly remote with 2 to 3 times a month in London travel when required (Hybrid). Start ASAP in January 2026.
Must have handson design / migration of at least two of the following at scale:
Check Point R8x firewalls, Cisco or Juniper LAN and WAN, F5 BIG-IP LTM/GTM/AFM,
Zscaler ZIA & ZPA, SD-WAN.
Working with a global IT Consultancy for a Telecoms end client on large-scale projects. Paying £(Apply online only)/day (Outside IR35).
Hybrid working - Contract mainly remote with 2 to 3 times a month in London London.
Key skills, experience + tasks will include:
Network Security architecture or senior engineering across enterprise environments.
Proven experience as a Technical Design Lead / Technical Authority
Must have hands-on design / migration of at least two of the following at scale:
Check Point R8x firewalls, Cisco or Juniper LAN and WAN,
F5 BIG-IP LTM/GTM/AFM, Zscaler ZIA & ZPA, SD-WAN.
Strong routing fundamentals (BGP, OSPF, route maps, redistribution).
Ownership of end-to-end technical design decisions (not implementation-only roles)
Demonstrable leadership in complex enterprise or carrier-scale environments
Providing end-to-end technical design for complex network security architecture deployments and migrations.
Documentation & tooling: Expertise with Visio or draw.io for architecture diagrams;
PowerPoint for executive decks;
Word/Confluence for LLDs. Familiarity with change tools (Service Now, Remedy) and SharePoint governance.
Validating / integrating component designs for LAN, firewall, F5, WAN, VPN, ZPA/ZIA + security controls.
Owning overall solution architecture, low-level designs (LLD), solution integrity from high-level architecture through to handover, acting as the single technical point of contact for external customers.
Producing / maintaining architecture decks, LLDs, change packs (ER/CR forms), rollback procedures, and run books.
Reviewing implementation artefacts (configs, Ansible/ Terraform scripts, F5 iRules) to ensure alignment to LLD.
Qualifications:
CCNP/CCIE Enterprise or Security, JNCIP/JNCIE, F5 CTS, Check Point CCSE, Zscaler ZCCA IA / ZCCA IAE, TOGAF, ITILv
4.
Providing 24/7 escalation cover to meet migration deadlines when rostered
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