Location: Croydon (Remote-first, with occasional on-site attendance) Rate: Up to 550 per day (Umbrella, Inside IR35) Clearance: Active SC with a UK government agency, used within the last 6 months (essential) Duration: 6 months initial  Role Summary We are seeking an experienced Senior DevOps Engineer with strong expertise in networking, Fortinet, and Cisco firewalls . You will play a key role in supporting secure, resilient platform operat…