Network Security Tool Manager

McBride International; Henegouwen; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

McBride International is seeking a cybersecurity professional to administer and continuously improve enterprise defense tools supporting network security monitoring, threat detection, and threat hunting within the CSOC. The role requires SME-level knowledge of network visibility and security monitoring technologies, and collaboration with analysts and engineers.

The successful candidate will manage lifecycle, configure monitoring, and troubleshoot across Linux and network layers, ensuring

Qualifications

• Bachelor’s degree in a related discipline with 2 years post‑related experience.
• Alternative: 6+ years extensive, progressive experience in duties related to the function of the post.
• Expert knowledge of network security monitoring and enterprise security monitoring environments.
• Hands-on experience with large-scale distributed security monitoring deployments.
• Experience with security monitoring tools integrated with SIEM/SOAR.

Responsibilities

• Deliver and maintain network visibility and security monitoring capabilities to support CSOC operations.
• Act as SME for operation, configuration, and lifecycle management of monitoring and packet capture technologies.
• Manage lifecycle of monitoring platforms including deployment, upgrades, obsolescence, and decommissioning.
• Configure and optimize monitoring, traffic aggregation, and packet capture for reliable data collection and analysis.
• Monitor platform health, data quality, retention, storage utilization, and operational performance.
• Identify visibility gaps and address threats impacting detection and security operations.
• Maintain documentation, diagrams, inventories, procedures and support information.
• Troubleshoot Linux, network, connectivity, and data collection issues across the monitoring environment.
• Support design and implementation of monitoring solutions aligned with CSOC requirements.
• Assist integration with wider security operations, analytics, and incident management.

Skills

Network visibility

Security monitoring

Packet capture

Linux troubleshooting

Threat detection

Threat hunting

Event correlation

Cyber defense operations

Security telemetry collection

Capacity management

Education

Bachelor's degree in related discipline

6+ years equivalent experience without degree

Tools

Cisco Firepower

Corelight

NetWitness

Job description

McBride International is a European-based management consulting, IT, and Command, Control, Communication, Computers, Cyber, Intelligence, Surveillance and Reconnaissance (C5ISR) firm. We provide professional services focusing on strategy development and execution, IT transformation, business process improvement, program management, research and development, risk management, financial management, and training. Our dedicated team of project managers, consultants, and trainers play a critical role in supporting client engagements from inception to completion. We partner with clients by providing qualified and experienced resources that possess the relevant skills, knowledge, and expertise needed to develop and execute solutions in support of their mission and business goals.

Job Description

Working under the direction of the Team Lead and the CSOC Section Head, the incumbent will be responsible for the administration, maintenance, and continuous improvement of enterprise cyber defense tools that support network security monitoring, threat detection, and threat hunting. As part of the CSOC section, the role acts as a subject matter expert for network visibility, security monitoring, and packet capture capabilities, ensuring platforms remain reliable, effective, and aligned with organizational security objectives. Roles & duties are as follows:

Security Tool Operations & Lifecycle Management

• Deliver and maintain the network visibility and security monitoring capabilities required to support CSOC operations.
• Act as a subject matter expert for the operation, configuration, and lifecycle management of security monitoring and packet capture technologies.
• Manage the lifecycle of security monitoring platforms, including deployment, configuration, maintenance, upgrades, obsolescence
• management, and decommissioning.
• Configure, maintain, and optimize monitoring, traffic aggregation, and packet capture technologies to support reliable data collection
• and analysis.
• Monitor platform health, availability, data quality, retention, storage utilization, and operational performance.
• Identify and address visibility gaps that may impact threat detection or security operations.
• Maintain accurate documentation, architecture diagrams, inventories, operational procedures, and support information.
• Troubleshoot Linux, network, connectivity, performance, and data collection issues across the security monitoring environment.
• Support the design and implementation of security monitoring solutions that align with CSOC requirements.
• Support integration with wider security operations, analytics, and incident management capabilities.
• Work with security analysts, detection engineering, and other stakeholders to improve monitoring coverage and support evolving
• detection requirements.
• Conduct capacity planning and scalability assessments to support future growth.
• Identify operational risks, improvement opportunities, and enhancements to increase reliability, visibility, and efficiency.
• Support compliance, audit, and assurance activities related to cyber defense technologies.

Stakeholder Engagement & Project Support

• Provide subject matter expertise and technical guidance on security monitoring, network visibility, packet capture, and data collection requirements.
• Support projects and initiatives by ensuring monitoring and visibility requirements are considered during design, implementation, and service transition.
• Support cabling, deployment planning, and site survey activities related to security monitoring and network visibility infrastructure.
• Coordinate maintenance activities, vendor support engagements, and communications relating to platform status, risks, and improvement opportunities.
• If requested, participate in cyber defence related exercises supported by NCIA.
• Support the Defend Branch service delivery in the context of NCIA Enterprise Service Delivery Model and NCIA Customer Funded regime.
• Deputize for higher grade staff, if required.
• Performs other duties as may be required.

Requirements

A minimum requirement of a Bachelor's degree at a nationally recognised/certified University in a related discipline and 2 years

post-related experience. Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate's particular abilities or experience that is/are of interest to NCI Agency, that is, at least 6 years extensive and progressive expertise in duties related to the function of the post.

• Expert knowledge of network security monitoring, cyber defense operations, and enterprise security monitoring environments.
• Extensive hands-on experience supporting large-scale, distributed security monitoring deployments across multiple networks, sites, segments, or data centres.
• Hands-on enterprise experience with security monitoring and packet capture platforms such as Cisco Firepower, Corelight, and NetWitness.
• Proven experience in platform health monitoring, performance monitoring, capacity management, troubleshooting, and operational governance.
• Strong hands-on experience with network visibility, traffic aggregation, packet brokers, packet capture, and related monitoring technologies.
• Advanced understanding of enterprise networking concepts, protocols, architectures, and data flows.
• Linux and network troubleshooting experience, including connectivity, packet flow, interface, performance, and system-level diagnostics.
• Practical experience supporting cabling, site surveys, and physical deployment activities for monitoring or network visibility infrastructure.
• Strong knowledge of security telemetry collection, event correlation, threat detection, and threat hunting concepts.
• Very good communication and analytical skills.
• Language proficiency in English: meet or exceed the NATO STANAG 6001 Level 3 "Professional Proficiency".

Training/certifications

• Relevant certifications in cyber security, such as Certified Information Security Manager (CISM), Certified Information Systems Security Professional (CISSP) or GIAC Security.
• Experience designing large-scale security monitoring and network visibility architectures.
• Experience integrating security monitoring tools with SIEM and SOAR tooling.
• Experience with automation, scripting, or orchestration.
• Experience supporting major platform upgrades, migrations, refreshes, or service transition activities.
• Prior experience in working in an international environment comprising both military and civilian elements.
• Knowledge of NATO responsibilities and organizational structure, including ACO and ACT.

Education

• A minimum requirement of a Bachelor's degree at a nationally recognised/certified University in a related discipline and 2 years post-related experience;
• Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate's particular abilities or experience that is/are of interest to NCIA, that is, at least 6 years extensive and progressive expertise in duties related