Senior Security Consultant

Date Posted: 2026-07-06

Job Number: 46098

Location

The Borough, Greater London, GB, SE1 1

Application Deadline

2026-11-23T15:41:06.183

Company Overview

Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey. We are looking for an experienced Senior Security Consultant to join our growing Security Advisory team in London. This is an exciting opportunity to support the delivery of high-profile projects across critical national infrastructure, central government, defence and private sector environments. You will provide expert security advice to clients, lead complex security advisory assignments and contribute to the continued growth and reputation of our specialist security consultancy capability. Based in London, the role will require travel across the UK and occasional international travel. The successful candidate will have experience in security risk management, security strategy development and advisory services within complex environments.

Please Note: Candidates must be willing and eligible to obtain UK government security clearance (SC).

Responsibilities

Undertaking security risk assessments and developing security strategies, audits and masterplans for complex client environments.

Providing expert advice on physical security measures, including access control, CCTV, intrusion detection, hostile vehicle mitigation and building hardening solutions.

Managing security advisory projects from inception through to successful delivery across multiple sectors.

Providing expert advice on security risk assessments, security strategies, audits and master planning within the built environment.

Managing client relationships and acting as a trusted advisor to support informed decision making.

Managing client-facing workshops and stakeholder engagements to identify security requirements and develop proportionate solutions.

Supporting business development activities, growing existing client relationships and identifying new opportunities.

Managing project budgets, programmes, risks and mitigation actions to ensure successful project delivery.

Working closely with multidisciplinary teams to deliver innovative and proportionate security solutions.

Ensuring robust quality standards are maintained across all project outputs and deliverables.

Requirements

Proven experience delivering security advisory services on complex, high-profile projects within sectors such as critical national infrastructure, government, defence or the private sector.

Strong knowledge of security risk assessment methodologies, threat and risk management, security strategy development and master planning.

A proven track record of successfully managing and delivering client-facing security consulting projects, with excellent stakeholder management and communication skills.

The ability to manage workshops, facilitate discussions, capture requirements and develop practical, proportionate solutions to complex security challenges.

Good commercial awareness, including an understanding of resource planning, project delivery and bid management activities.

A relevant degree in security risk management, engineering or a related discipline, together with membership of a recognised professional body such as SyI, ASIS, APM or IRM.

Eligibility and willingness to obtain UK Government Security Clearance (SC).

Chartered security professional, chartered engineer or equivalent professional accreditation (desirable).

What’s on Offer

Car allowance

Medical health cover

Life insurance

Income protection insurance

Pension scheme

Discretionary annual salary reviews

Family friendly policies

Flexible and hybrid working arrangements

Professional development and career progression opportunities within a growing security advisory team

Our Values

Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team.

Client focus - Deliver on our promise: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients.

Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations.

Create opportunity - For our people to excel: We champion a continuous improvement culture throughout all activities, inspiring our people and teams to develop.

Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation. We are also open to discussing part time, flexible, and hybrid working options if suitable within the role.

#s1-Gen

Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey.We are looking for an experienced Senior Security Consultant to join our growing Security Advisory team in London. This is an exciting opportunity to support the delivery of high-profile projects across critical national infrastructure, central government, defence and private sector environments. You will provide expert security advice to clients, lead complex security advisory assignments and contribute to the continued growth and reputation of our specialist security consultancy capability.Based in London, the role will require travel across the UK and occasional international travel. The successful candidate will have experience in security risk management, security strategy development and advisory services within complex environments.Please Note:
Candidates must be willing and eligible to obtain UK government security clearance (SC).You'll be responsible for:Undertaking security risk assessments and developing security strategies, audits and masterplans for complex client environments.Providing expert advice on physical security measures, including access control, CCTV, intrusion detection, hostile vehicle mitigation and building hardening solutions.Managing security advisory projects from inception through to successful delivery across multiple sectors.Providing expert advice on security risk assessments, security strategies, audits and master planning within the built environment.Managing client relationships and acting as a trusted advisor to support informed decision making.Managing client-facing workshops and stakeholder engagements to identify security requirements and develop proportionate solutions.Supporting business development activities, growing existing client relationships and identifying new opportunities.Managing
project budgets, programmes, risks and mitigation actions to ensure successful project delivery.Working closely with multidisciplinary teams to deliver innovative and proportionate security solutions.Ensuring robust quality standards are maintained across all project outputs and deliverables.You'll need to have:Proven experience delivering security advisory services on complex, high-profile projects within sectors such as critical national infrastructure, government, defence or the private sector.Strong knowledge of security risk assessment methodologies, threat and risk management, security strategy development and master planning.A proven track record of successfully managing and delivering client-facing security consulting projects, with excellent stakeholder management and communication skills.The ability to manage workshops, facilitate discussions, capture requirements and develop practical, proportionate solutions to complex security challenges.Good commercial awareness, including an
understanding of resource planning, project delivery and bid management activities.A relevant degree in security risk management, engineering or a related discipline, together with membership of a recognised professional body such as SyI, ASIS, APM or IRM.Eligibility and willingness to obtain UK Government Security Clearance (SC).Chartered security professional, chartered engineer or equivalent professional accreditation (desirable)What's on offer:Car allowance.Medical health cover.Life insurance.Income protection insurance.Pension scheme.Discretionary annual salary reviews.Family friendly policies.Flexible and hybrid working arrangements.Professional development and career progression opportunities within a growing.Security advisory team.Our valuesSafety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team.Client focus - Deliver on our promise: We own the quality of deliverables,
strategic outcomes and build long term relationships with our clients.Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations.Create opportunity - For our people to excel: Wechampion a continuous improvement culture throughout all activities, inspiring our people and teams to develop. Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation.We are also open to discussing part time, flexible, and hybrid working options if suitable with-in the role.#LI-OnsiteJob SummaryJob number: 46098Date posted : 2026-07-06Profession: Project & Programme ManagementEmployment type: Full-time

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