Mid-Level Network Security Engineer

JR United Kingdom; London; On-site; GBP 60,000 - 72,000; Full time

Job summary

A leading global energy and commodities business seeks a Mid-Level Network Security Engineer for its London team. This role involves managing Checkpoint firewalls and Cisco infrastructure within a security-driven environment, offering a competitive salary and outstanding benefits, including a £6,000 travel allowance and a discretionary bonus.

Benefits

Discretionary performance bonus

£6,000 London travel allowance

Private medical insurance (single cover)

Life assurance (4x basic salary)

Business and leisure travel insurance

Qualifications

• Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE.
• Experience with supporting Windows Server, Linux, Active Directory, and Exchange.
• Familiarity with backup/recovery processes.

Responsibilities

• Manage and maintain Checkpoint firewalls and Cisco network infrastructure.
• Support data center colocation and vendor relationships.
• Contribute to IT security prevention and awareness initiatives.

Skills

Checkpoint firewalls

Cisco network infrastructure

IT security practices

Zscaler (ZIA/ZPA)

Splunk

Education

Cisco CCNA/CCNP certification or equivalent

Tools

Cisco ISE

VMware

VxRail

Rubrik

CUCM

LogicMonitor

Mimecast

Okta

Job description

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Mid-Level Network Security Engineer, london

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Client:

Harrington Starr

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

26.06.2025

Expiry Date:

10.08.2025

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Job Description:

Mid-Level Network Security Engineer

Location: London (Moorgate) | 4 Days Onsite Per Week

A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and network technologies.

Key Responsibilities:

• Manage and maintain Checkpoint firewalls and Cisco network infrastructure
• Support Cisco ISE and Zscaler Internet/Private Access solutions
• Manage Data Centre colocation and vendor relationships
• Contribute to IT security prevention and awareness initiatives
• Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE
• Experience with Zscaler (ZIA/ZPA), Splunk
• Strong understanding of IT security practices
• Cisco CCNA/CCNP certification or equivalent
• Background in supporting Windows Server, Linux, Active Directory, and Exchange
• Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes
• Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools

Benefits Package Includes:

• Competitive salary (up to £72,000 depending on experience)
• Discretionary performance bonus
• £6,000 London travel allowance
• Private medical insurance (single cover)
• Life assurance (4x basic salary)
• Business and leisure travel insurance

This is a great opportunity to join a high-performing team within a prestigious international business. If you're looking for your next challenge in network security, apply now or get in touch to find out more.

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