We’re looking for a number of DV Cleared Network Engineers to help keep critical Cisco networks and applications secure, stable, and always available.
This isn’t a traditional NOC role. Instead of pure monitoring, you’ll focus on the ongoing health, security, and lifecycle management of enterprise Cisco environments, ensuring systems are patched, optimised, compliant, and ready to support mission-critical operations.
You’ll work in a highly secure setting where attention to detail, reliability, and security are absolutely essential.
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Keep mission-critical Cisco networks and platforms secure, resilient, and performing at their best
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Manage and support key Cisco applications including:
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Cisco Catalyst Center (Cat Center)
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Cisco Identity Services Engine (ISE)
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Cisco Firepower Management Center (FMC)
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Carry out software upgrades, patching, and lifecycle refresh activities across network and security platforms
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Ensure systems remain secure, compliant, and aligned to strict operational standards
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Maintain strong security controls, including segmentation, access policies, and device hardening
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Proactively identify and resolve risks to availability, performance, or security
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Implement controlled changes in line with rigorous governance and audit requirements
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Support incident resolution and TAC escalations when needed, with a focus on fast recovery and preventing recurrence
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Keep documentation and audit records accurate and up to date
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Active DV (Developed Vetting) clearance
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Experience working with Cisco networking and security technologies
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Hands-on exposure to Cat Center, ISE, and/or FMC
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Background in secure or high-availability environments
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Strong understanding of network security, patching, and lifecycle management
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CCNA
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Cisco security or enterprise certifications e.g. CCNP
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Experience in defence, government, or other highly regulated environments
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ITIL Foundation
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Linux skills
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A strong focus on security, reliability, and operational excellence
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The ability to stay calm and methodical in high-pressure environments
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A proactive mindset, spotting issues before they become problems
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Attention to detail and a commitment to doing things the right way
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A team-first approach, with a clear understanding of confidentiality and trust
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Work on genuinely critical systems where your contribution matters
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Develop deep expertise in Cisco enterprise and security platforms
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Be part of a team focused on modern lifecycle delivery, not just reactive support
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Operate in a high-trust, high-impact environment
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Sick pay insurance
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Life insurance
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Private medical insurance
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Matched pension contribution to 8%
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Gym membership
