Executive Assistant

Founded in 1988, Morrison is a leading global infrastructure manager, investing across the risk spectrum in both private and listed markets. Its purpose is to invest wisely in ideas that matter. It believes the best investments serve an enduring societal need and has a firm commitment to sustainability.  Morrison manages approximately USD$30 billion (as at March 31, 2026) in consolidated assets on behalf of its clients.

Morrison has one of the largest specialist infrastructure teams, with over 200 professionals operating across eight global offices in New York, London, Sydney, Melbourne, Auckland, Abu Dhabi, Wellington and Singapore.

About the role

The Senior Administrative Assistant plays a critical role in providing high-level executive support to Senior Executives, enabling them to operate effectively in a fast-paced, global environment. This position requires a highly proactive, adaptable, and commercially aware individual who can anticipate needs, exercise sound judgement, and manage competing priorities with professionalism and discretion.

Key responsibilities

• Provide high-level executive support to Senior Executives in a fast-paced, global environment
• Manage complex calendars, meetings, priorities, and domestic and international travel
• Act as a trusted liaison for senior leaders, internal teams, investors, advisers, and external stakeholders
• Prepare and coordinate executive documents, presentations, reports, briefings, agendas, and follow-up actions
• Support strategic initiatives and business projects through strong coordination, problem solving, and stakeholder engagement
• Handle confidential information with discretion, sound judgement, professionalism, and attention to detail
• Contribute to an effective Business Support team by sharing knowledge, mentoring others, and improving processes
• Work flexibly across time zones to support senior stakeholders and global business needs

About you

• Extensive experience supporting Executive Directors, C-suite leaders, Board members, or senior leadership teams in a corporate environment
• Highly organised, proactive, and able to manage competing priorities in a fast-paced environment
• Confident communicator who builds trusted relationships with senior executives, Board members, investors, and external stakeholders
• Strong digital capability, including advanced Microsoft 365 skills and the ability to use AI tools to improve productivity and efficiency
• Sound judgement, discretion, commercial awareness, and professionalism when handling sensitive information
• Adaptable, resilient, and comfortable supporting stakeholders across multiple time zones, including working flexibly when required
• Collaborative, reliable, and committed to delivering high-quality support with strong attention to detail

Why Work for Morrison

• We pride ourselves on our values and our culture of working as whānau and supporting each other.

• The impact of what we do is important to us. We invest in environmentally sustainable companies and have a strong commitment to ESG.

• We offer competitive salary + incentives to reward your contribution to our success.

• We have a learning and development program with a focus on building internal capability and supporting your professional and personal development.

• Attractive paid parental leave and flexible leave options.

Morrison is an equal opportunity employer, and we encourage people of all backgrounds to apply. Please let us know if you require any support or adjustments during the recruitment process.

Morrison works with selected recruitment partners under formal agreements. We do not accept unsolicited resumes, and any such submissions will not be considered or give rise to any fee.