Senior Network Security Engineer

Penta Consulting · Feltham, London

Senior Network Security Engineer at Penta Consulting, based in Feltham, London. This is a permanent role.

Salary
Competitive
Location
Feltham, London
Contract
Permanent
Posted
1 day ago
Closes
17 Jan 2027
Sector
IT & Software

Reference CR/030737

About the role

Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA.

Are you a highly skilled Network Security professional with deep Cisco expertise and a passion for delivering complex network solutions? We are looking for an experienced Senior Network Security Engineer to join our team and work closely with enterprise customers, supporting critical infrastructure, security initiatives, and network transformation projects.

Key Skills:

Cisco Firepower, ASA, IPS, ISE, Secure Network Analytics (Stealthwatch)
SD-Access (SDA), SD-WAN, Cisco DNA Center (DNAC)
Routing & Switching, VPNs, AAA, ACLs, 802.1X, QoS, Multicast
Strong troubleshooting, design, implementation, and migration experience


Responsibilities:

Lead network and security changes while maintaining technical documentation
Deliver complex Cisco infrastructure and security projects
Provide on-site and remote customer support and consultancy
Translate business requirements into technical solutions
Identify improvements and drive remediation activities
Support Day-2 operations, projects, and pre-sales engagements


Requirements:

8+ years' experience in Network & Security Engineering
Strong customer-facing and consulting skills
CCIE Security and/or Enterprise Infrastructure preferred
Ability to work across multiple technologies and adapt to customer environments

Reference: CR/030737 · Posted 1 day ago · Closes 17 Jan 2027 · Listed via Penta Consulting

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