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Mott MacDonald

Defence Security Controller

Sheffield
Posted about 16 hours ago
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Location/s: Manchester, Glasgow, Sheffield, Bristol, Cambridge, Plymouth; UK

Recruiter contact: Andrea Gaffney

About the Company

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve.

About the Business Unit

The Buildings Unit (BLD) has a major presence in Mott MacDonald's regional offices throughout the UK and mainland Europe, providing a wide range of diverse and transferable cross-sector skills across five key sectors: Advisory, Built Environment, Energy, Transportation, and Water. We also provide local services to customers and technical leadership to the rest of the Group in these sectors.

Overview of the Role

The Defence Security Controller is a key member of the Defence and Civil Nuclear Team, providing expert security leadership and assurance to major MM Defence projects in the Preston area. The role delivers project, programme, and corporate-level security oversight to ensure the protection of HMG classified, sensitive aviation, and regulated assets, while maintaining compliance with UK Government and MOD requirements.

Key Responsibilities and Duties

  • Defence & Project Security
    • Act as Project Security Controller for major MM Defence programmes, providing proportionate security assurance across the project lifecycle.
    • Interpret, implement and monitor security controls to protect HMG-classified assets in line with contractual, legislative and policy requirements.
    • Ensure compliance with GovS 007, legacy Security Policy Framework (SPF) requirements and relevant MOD Joint Service Publications.
    • Provide security advice to Project Sponsors, Programme Managers and Project Managers, including attendance at project kick-off meetings.
    • Oversee the development, approval and maintenance of Security Management Plans (SMPs) and Project Security Strategies.
  • IT & Information Security
    • Act as Defence IT Security Officer (ITSO) for assigned programmes.
    • Manage and process Cyber Security Model (CSM), Secure by Design (SbD) and Data Protection Impact Assessment (DPIA) submissions.
    • Advise on information classification, aggregation, secure IT systems and information-sharing arrangements, including FSNs and ISNs.
    • Contribute aviation security expertise to bids and proposals to strengthen MM’s right to win.
  • Corporate Security & Governance
    • Maintain and update Corporate Security Instructions, ensuring accessibility and compliance with Defence and aviation security requirements.
    • Support security planning for new contracts, office relocations/refurbishments and facilities handling classified or aviation-regulated assets.
    • Maintain the Defence Security Risk Register, aligned to Group Risk Management policy.
    • Support internal and external security audits across Defence activities.
  • Incident Management & Resilience
    • Investigate, report and manage security incidents and breaches in accordance with MM procedures and Contracting Authority requirements.
    • Support Business Continuity and Disaster Recovery planning from a Defence security perspective.
    • Provide security advice during incident, crisis response and recovery activities.
  • Training, Awareness & Security Culture
    • Design and deliver tailored security awareness and training for Defence and Aviation projects, covering:
      • Physical and cyber security
      • Counter-terrorism awareness
      • MOD regulatory requirements
      • Security culture, behavioural change and suspicious package/mail handling awareness.

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Key Deliverables

  • Security Management Plans (SMPs) and Project Security Strategies
  • SAL interpretation, dissemination and review
  • Security audits and assurance activities
  • Security training and awareness delivery
  • Incident investigations and reporting
  • Defence Security Risk Register
  • Day-to-day security guidance on classification, aggregation, overseas travel, ISNs, GovS 007, JSP 440, JSP 850 and Defence regulatory requirements

Candidate Specification

Essential

  • Current membership of the Security Institute (ASyI, MSyI or FSyI).
  • Proven experience working within Defence, uniformed services, or custodial environments (e.g. police or similar).
  • Strong ability to engage effectively with senior stakeholders.
  • Previous experience conducting security audits.
  • High level of IT literacy, with the ability to produce written reports, deliver presentations, and complete audits.
  • Ability to analyse data and develop comprehensive Security Management Plans.

Desirable

  • Understanding of the Defence sector.
  • Experience delivering security toolbox talks.
  • Experience working with ISNs and GovS 007 standards.

Additional Information

  • Security Clearance: Offers for this role are conditional upon obtaining the appropriate level of Security Clearance.
  • UK Immigration: Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK.
  • Agile Working: We offer a hybrid working policy that embraces your well-being, flexibility, and trust.
  • Equality, Diversity, and Inclusion: We promote fair employment procedures and practices to ensure equal opportunities for all.
  • AI Usage: While AI tools can help candidates prepare, every application and hiring decision is reviewed by our recruitment and hiring teams.
  • Accessibility: If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com.

Benefits

  • Financial wellbeing
    • We match employee pension contributions between 4.5% and 7%.
    • Life assurance equal up to 4 x your basic salary.
    • Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.
    • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
    • As an independently owned business, we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.
  • Employee Ownership
    • Our employee ownership model means no external investors, just us, creating a culture of shared success.
    • Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
    • As your career grows, so does your stake, recognising your long-term impact and contribution.
    • Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.
  • Health and wellbeing
    • Private medical insurance for all UK colleagues.
    • Health cash plan to support you with every day health costs and treatments.
    • Access to Peppy, providing free support from menopause experts for all UK colleagues.
    • A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
    • Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.
  • Lifestyle
    • A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
    • 10 days additional paid leave for Armed Forces Reservists and Cadet Force Adult Volunteers.
    • Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
    • Variety of employee saving schemes and discounts from high-street retailers.
  • Enhanced family and carers leave
    • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
    • Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
    • Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.
    • We offer policies and dedicated support to help military families balance service life with career and wellbeing.
  • Learning and development
    • Primary annual professional institution subscription.
    • A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.
  • Networks, communities, and social outcomes
    • Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
    • We are proud signatories of the Armed Forces Covenant and Gold Award holders in the MOD Employer Recognition Scheme, supported by our dedicated internal Armed Forces Network.
    • Make a difference within our communities through our social outcomes.

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Location(s):

  • Manchester, GB
  • Sheffield, GB
  • Glasgow, GB
  • Cambridge, GB
  • Bristol, GB
  • Plymouth, GB

Contract Type: Permanent

Work Pattern: Full Time

Market: Buildings

Discipline: Other

Job Ref: 15920

Recruiter Contact: Andrea Gaffney

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Location

Sheffield, England, United Kingdom

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