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Network Security Manager

Job Posted: 6 days ago

Salary: £ 85,000 - 95,000 / Annum
Job Type: Permanent
Location: Dartford

Expire in: 22 days

Job Description

Network Security Operations Manager

We are seeking an experienced and highly capable Cyber & Network Security Operations Manager to lead an internal security and network operations function. This is a pivotal leadership role responsible for overseeing Security Operations Centre (SOC) services, managing critical network infrastructure oversight, and driving the organisation's cyber security governance, risk, and compliance activities.

The successful candidate will combine strong operational leadership with deep technical knowledge of network technologies and cyber security frameworks. You will lead internal security teams, manage strategic suppliers and service providers, and work closely with stakeholders across the business to ensure the organisation maintains a robust, resilient, and compliant security posture.

Key Responsibilities

Lead and manage the delivery of Security Operations services, ensuring effective monitoring, detection, response, and remediation of cyber threats.
	
Provide oversight and governance of network infrastructure security, availability, resilience, and performance.
	
Lead, develop, and mentor a multidisciplinary team covering cyber security operations and network security functions.
	
Own and drive cyber security governance, risk management, and compliance activities across the organisation.
	
Maintain and enhance security controls aligned to recognised frameworks including ISO 27001, NIST Cybersecurity Framework, CIS Controls, and other relevant standards.
	
Manage security incidents, major cyber events, and crisis response activities.
	
Build strong relationships with internal stakeholders, ensuring security requirements support business objectives.
	
Oversee third-party suppliers, SOC providers, and security partners, ensuring service performance and contractual obligations are met.
	
Develop and report on security metrics, risks, compliance status, and operational performance to senior leadership.
	
Support security audits, risk assessments, business continuity, and resilience initiatives.
	
Drive continuous improvement across cyber security operations, processes, and technologies.

What You Need

You will be a proven cyber security leader with substantial experience managing operational security functions within complex enterprise environments.

Essential Experience

Significant experience leading Security Operations and SOC services.
	
Demonstrable experience managing cyber security teams and operational security functions.
	
Strong understanding and practical application of ISO 27001 and related governance, risk, and compliance frameworks.
	
Experience with security monitoring, incident response, vulnerability management, and threat management processes.
	
Proven stakeholder management skills with the ability to engage effectively at all levels of the organisation.
	
Experience managing third-party suppliers, managed security service providers, and outsourced SOC partners.
	
Strong understanding of risk management methodologies and security governance practices.
	
Experience developing security strategies, policies, standards, and operational procedures.

Technical Knowledge

Solid technical understanding of network technologies, including:

TCP/IP, routing and switching
		
Firewalls and network segmentation
		
VPN technologies
		
Network monitoring and performance management
		
Cloud networking and hybrid environments
		
IDS/IPS technologies
		
Secure network architecture principles

Knowledge of SIEM, SOAR, endpoint security, vulnerability management, and threat intelligence platforms.
	
Understanding of modern cyber threats, attack techniques, and defensive security controls.

Desirable Qualifications

ISO 27001 Lead Implementer or Lead Auditor
	
CISSP
	
CISM
	
CCNP Security, CCSP, or equivalent networking/security certifications
	
ITIL Foundation or equivalent service management qualification

Before You Apply

Do not include the following in your job application, CV, or cover letter:

Bank details.
National Insurance number.
Date of birth.

You should not be asked for payment or irrelevant information. If you have concerns about a job advert or employer, seek guidance on how to proceed.

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