Senior Network Security Engineer

Penta Consulting Ltd; Greater London; Hybrid; GBP 96,000 - 192,000; Full time

Job summary

Penta Consulting Ltd in Feltham, United Kingdom, is seeking a Senior Network Security Engineer to lead Cisco security projects for enterprise customers, delivering complex infrastructure enhancements and security transformations on site.

You will translate business requirements into technical solutions, perform Day-2 operations, and collaborate with cross-functional teams; 8+ years experience and CCIE Security are preferred.

Qualifications

• 8+ years' experience in Network & Security Engineering.
• Strong customer-facing and consulting skills.
• CCIE Security and/or Enterprise Infrastructure preferred.

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.

Skills

Cisco Firepower

ASA

IPS

ISE

Stealthwatch

SD-Access

SD-WAN

DNAC

Routing & Switching

VPNs

AAA

ACLs

802.1X

QoS

Multicast

Education

CCIE Security

Enterprise Infrastructure

Tools

Firepower

ASA

Stealthwatch

DNAC

SDA

SD-WAN

VPN technologies

AAA

Job description

# Senior Network Security EngineerJob Reference No.CR/030737Job Type: ContractLocation: Feltham, United KingdomJob Reference No.: CR/030737Penta 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 experienceResponsibilities: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 engagementsRequirements: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