DV-Cleared Cisco Network & Security Engineer

Forfusion Ltd; Cheltenham; Hybrid; GBP 60,000 - 85,000; Full time

Benefits offered by this job

Sick pay insurance

Life insurance

Private medical insurance

Matched pension contribution to 8%

Gym membership

Job summary

Forfusion Ltd in Cheltenham is seeking DV-cleared Network Engineers to manage and secure Cisco environments for mission-critical operations. You will focus on health, security, and lifecycle management, ensuring patches, configurations, and governance meet strict standards.

You’ll work in a high-security setting, applying Cisco Cat Center, ISE, and FMC expertise while maintaining documentation and supporting incident resolution.

Qualifications

• Active DV clearance is required.
• Experience with Cisco networking and security technologies is essential.
• Hands-on exposure to Cat Center, ISE, and/or FMC is preferred.
• Background in secure or high-availability environments is important.
• Strong understanding of network security, patching, and lifecycle management is required.
• CCNA certification is preferred.

Responsibilities

• Keep mission-critical Cisco networks and platforms secure, resilient, and performing at their best.
• Manage and support Cisco applications including Cat Center, ISE, and FMC.
• Carry out software upgrades, patching, and lifecycle refresh activities across network and security platforms.
• Ensure systems remain secure, compliant, and aligned to strict operational standards.
• Maintain strong security controls, including segmentation, access policies, and device hardening.
• Proactively identify and resolve risks to availability, performance, or security.
• Implement controlled changes in line with governance and audit requirements.
• Support incident resolution and TAC escalations for fast recovery and preventing recurrence.
• Keep documentation and audit records accurate and up to date.

Skills

DV clearance

Cisco networking

Cat Center/ISE/FMC

Security & HA

Network security & patching

CCNA

Tools

Cat Center

ISE

FMC

Job description

Forfusion Ltd in Cheltenham is seeking DV-cleared Network Engineers to manage and secure Cisco environments for mission-critical operations. You will focus on health, security, and lifecycle management, ensuring patches, configurations, and governance meet strict standards.

You’ll work in a high-security setting, applying Cisco Cat Center, ISE, and FMC expertise while maintaining documentation and supporting incident resolution.