Senior Network Security Consultant

About The Role

FDM is a global

business and technology consultancy seeking a Senior Network Security

Consultant to join our Global Systems Integrator client. This is an exciting

opportunity to play a leading role in a strategic network security review

programme, helping to strengthen security controls, improve resilience, and

shape the future direction of network security architecture across a large and

complex international estate.

You will act as a

subject matter expert for network security, working closely with security

leadership, enterprise architects, infrastructure teams, and operational

stakeholders to assess the current security landscape, identify opportunities

for improvement, and provide strategic recommendations. Your work will directly

contribute to reducing operational risk, strengthening compliance and

assurance, and improving the overall security posture of the organisation.

This is an excellent

opportunity for a senior security consultant who enjoys combining deep

technical expertise with strategic advisory and architecture-focused

responsibilities within a complex enterprise environment.

About the Role

We are seeking a

Senior Network Security Consultant with extensive experience assessing,

designing, and improving network security capabilities within large-scale

enterprise environments.

The role will focus

on conducting a comprehensive review of network security controls,

architecture, processes, and technologies across a global estate. You will work

alongside internal architecture and security teams to identify weaknesses,

assess resilience, review security controls and governance practices, and

provide recommendations to strengthen network security capabilities and reduce

exposure to critical incidents.

You will be

responsible for evaluating current technologies, processes, and security

controls, while helping to define a future-state network security strategy

aligned to business requirements, operational resilience objectives, and

industry best practice.

Key Responsibilities

• Acting as the technical SME

for network security architecture and controls

• Conducting a comprehensive

review of the organisation's network security landscape

• Assessing existing network

security controls, governance processes, and operational procedures

• Identifying security

weaknesses, control gaps, and opportunities to improve resilience

• Reviewing connectivity,

access control, and network security request processes

• Evaluating the effectiveness

of current security tooling and technologies

• Providing recommendations to

strengthen security posture and reduce exposure to critical incidents

• Supporting investment and

roadmap planning for future network security initiatives

• Working closely with

architects, engineers, security teams, and business stakeholders

• Producing technical

assessments, reports, recommendations, and architecture artefacts

• Supporting security assurance

and compliance activities

• Advising on network security

best practices, standards, and emerging threats

• Contributing to the

development of future-state network security architecture and strategy

About You

• Proven experience operating

as a Senior Network Security Consultant, Security Architect, Enterprise

Security Architect, or similar consultancy-level role

• Extensive experience

conducting network security reviews, assessments, and architecture

evaluations within complex enterprise environments

• Experience with:
• Palo Alto Networks
• Meraki
• SolarWinds
• Strong understanding of

network security architecture, controls, and operational security

principles

• Experience identifying

security risks, control weaknesses, and resilience improvement

opportunities

• Strong knowledge of network

segmentation, firewalls, secure connectivity, access controls, and threat

mitigation strategies

• Experience engaging with

senior stakeholders, architects, and technical teams

• Ability to translate

technical findings into strategic recommendations and investment plans

• Strong analytical,

problem-solving, and advisory skills

• Experience supporting

security governance, assurance, and compliance activities

• Excellent written and verbal

communication skills

Nice to Have

• Experience working at

Enterprise Architect or Lead Security Architect level

• Consultancy or Global Systems

Integrator experience

• Experience reviewing global

network environments and large-scale enterprise estates

• Experience working in highly

regulated or security-conscious environments

• Knowledge of security

frameworks and standards such as:

• ISO 27001
• NIST
• CIS Controls
• Zero Trust Architecture
• Relevant certifications such

as:

• CISSP
• CCSP
• CISM
• Palo Alto Certifications
• CCNP Security
• TOGAF

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK 'Best Employer'.

Why join us

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave and work-place pension