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Mott MacDonald • Sydney, AU; Docklands, VIC, AU; Canberra Airport, ACT, AU

Technical Director Security (SECE Consultant)

Employment type:  Full time
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Job Description

Brilliant people trusted to do brilliant things

Mott MacDonald is a vibrant and forward-thinking engineering, management, and development consultancy. Working together as a global team we plan, design, deliver and maintain the transport, energy, water, buildings, and wider infrastructure that is integral to people’s daily lives. We value excellence in every dimension of our business and continuously seek opportunities to improve what we do and how we do it.

We employ brilliant people who combine their diverse skills and experiences to achieve brilliant things. Whether you want to specialise or broaden your experience, you'll be supported by global specialists eager to share their expertise. With numerous opportunities to learn and grow, the possibilities are as diverse as our people. Working as a connected global team, we deliver impactful projects that shape the future.

Your Opportunity

Mott MacDonald is seeking an experienced Technical Director Security (Defence) to be based in Canberra, Sydney or Melbourne and to lead the delivery of complex Defence, security-sensitive and critical infrastructure projects across Australia. This role requires a highly capable engineering professional with a strong background in Defence facilities, secure infrastructure, mission-critical systems and security engineering.

The successful candidate will be a SCEC Endorsed Security Consultant Security Zone Consultant and possess a minimum of 10 years' relevant professional experience with demonstrated experience in Defence, secure government, critical infrastructure or high-security environments.

As a Technical Director, you will provide technical leadership, project direction and strategic client engagement, while growing Mott MacDonald's Defence and Security portfolio. You will be responsible for leading multidisciplinary project teams, mentoring engineers, maintaining trusted client relationships and contributing to the strategic growth of the business.

Key Responsibilities

  • Provide technical leadership for projects involving secure facilities, classified infrastructure, mission-critical systems and SCEC-compliant security solutions.
  • Undertake technical assurance, design verification and governance activities across major projects and pursuits.
  • Maintain current knowledge of Defence, SCEC, Australian Standards and relevant Commonwealth security requirements.

Project Leadership

  • Fully responsible for managing and delivering projects independently, including technical delivery, programme, commercial performance and client satisfaction.
  • Manage project financial performance, resource allocation, forecasting and risk management.
  • Direct project delivery teams through all phases of the project lifecycle, from pursuit and concept design through to commissioning and handover.

Client and Market Development

  • Initiate, develop and maintain trusted relationships with Defence clients, Commonwealth agencies, contractors, architects and industry partners.
  • Act as a senior client-facing representative of Mott MacDonald and serve as a trusted advisor on Defence and security-related infrastructure matters.
  • Lead and contribute to major pursuits, proposals and frameworks, supporting the continued growth of the Defence and Security business.
  • Identify emerging market opportunities and contribute to strategic business planning and sector growth initiatives.

SCEC and Defence Security Leadership

  • Provide SCEC advisory services and security engineering leadership across Defence and secure government projects.
  • Lead the development, review and assurance of security infrastructure designs in accordance with SCEC requirements and Defence security policies.
  • Provide expert advice relating to physical security systems, access control, intrusion detection, CCTV, secure communications, ICT infrastructure and classified environments.
  • Support Defence accreditation processes and stakeholder engagement associated with security compliance requirements.
  • Promote best-practice security engineering and secure-by-design principles across the organisation.

People Leadership and Development

  • Mentor Principal Engineers, Senior Engineers and developing professionals, fostering a culture of technical excellence, collaboration and knowledge sharing.
  • Support capability development within the Defence, Electrical and Security disciplines.
  • Contribute to workforce planning, recruitment and talent development activities.
  • Participate in candidate reviews, interviews, technical assessments and hiring recommendations.
  • Drive continuous improvement and promote engineering excellence across project teams.

About You

  • Minimum 10 years' experience in security systems design, delivery and leadership.
  • Current SCEC Endorsed Security Consultant accreditation
  • Demonstrated experience delivering Defence, secure government, critical infrastructure or security-sensitive projects.
  • Proven experience leading multidisciplinary engineering teams and managing major projects.
  • Strong understanding of Defence security requirements, secure infrastructure and security engineering principles.
  • Excellent client relationship management, communication and business development skills.
  • Defence security clearance (minimum NV1).

Culture & Benefits

Mott MacDonald celebrates diversity and inclusion, offering a supportive work environment that values work-life balance, diversity, inclusion, and equity. We welcome diverse applicants, including First Nations People, people with disabilities, members of the LGBTQIA+ community, and people of all genders, neurodiversity, cultural backgrounds, age groups, and those with intersectional identities.

Our benefits package is designed to enhance your experience:

  • A flexible and agile work atmosphere that caters to your professional journey and life's special moments
  • A competitive salary complemented by Discretionary Group and Personal Performance Bonuses for eligible employees
  • Comprehensive coverage including life and salary continuance insurance, providing peace of mind during uncertain times
  • Opportunities to enhance your work-life balance through the option to purchase extra annual leave
  • Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more

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.
  • As a senior role, you will have a direct pathway towards ownership from day 1

You’ve got this!

We endorse a diverse and inclusive workplace, and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply! #LI-RZ1

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Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support
Women’s health support
Collaboration spaces

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Indonesia

Ireland

Italy

Japan

Malaysia

New Zealand

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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