Senior Security Engineer

Hi, we’re PEXA!

We know you’ll Google us before applying, so let’s keep this brief. PEXA revolutionised the way that property is settled in Australia, turning a paper-based process into a digital one. Our solution is a world‑first, with over 500 people across Australia and an expanding international team, we’re helping 20,000+ families into their homes each week.

We’re passionate about solving problems for our customers – always striving to set the standard for how property is bought and sold. Being awarded as one of the best places to work in Australia is a recognition of our culture and commitment to innovation, customers and our community.

We’re growing fast, that is where you come in.

We believe our success in Australia is worth sharing and that our proven technology will advance how the UK buys and sells homes.

Establishing ourselves within the UK in late 2020, we are committed to collaborating with lawyers, conveyancers, lenders, government and the property industry, to set the new standard for both remortgages and buying and selling property.

Why become a PEXArian?

Great question! Being a PEXArian is so much more than just a job. We’re a passionate, motivated and unashamedly enthusiastic bunch at PEXA – we love what we do and we’re proud to admit it! Creating brilliant experiences for our members and their clients wouldn’t be possible without ensuring we deliver an exceptional employee experience.

Here’s a snapshot of what your life at PEXA could look like:
Your growth:

We encourage you to hit your personal and professional learning and development goals with our tailored programs and tools.

Your wellness:

We care about your holistic wellbeing

Your work/life blend:

We know that work is just one aspect of your life – we want to help you create your ideal work/life blend, rather than squeezing in life around work.

The Senior Security Engineer will provide hands‑on technical leadership within the UK, ensuring that cyber security strategy and architecture defined by AU are implemented effectively across UK subsidiaries, aligned with local jurisdictional compliance requirements.

This role bridges between AU Security, outsourced partners, and UK subsidiaries (Optima, Smoove, Legal Eye, Amity Law), ensuring successful delivery of projects, uplift initiatives, and BAU operational excellence.

This position will own UK technical approvals, impact assessments, and project‑specific security delivery, acting as the local escalation point for incidents and implementations.

Key Responsibilities Maintenance and Operational Security

• Control Effectiveness: Ensure all security solutions (e.g., firewalls, EDR, WAF, posture management) remain operationally effective through regular checks and coordination with cross‑functional teams.
• Patch & Vulnerability Management: Ensure technical teams timely patch applications, systems, software, and hardware; address findings from vulnerability scans or penetration tests, remediating directly where possible or coordinating with system owners.
• Configuration Management: Maintain and audit secure configurations for devices, applications, and cloud environments, ensuring alignment with approved baselines and CIS benchmarks.

Access Control and Identity Management

• Reviews: Conduct regular user and privileged account reviews, ensuring least‑privilege principles and appropriate role‑based access control.
• Monitoring: Manage and monitor Privileged Identity Management (PIM) profiles and elevated access accounts.
• JML: Coordinate with IT and HR for onboarding/offboarding to ensure access consistency and policy compliance.

Tool, Infrastructure, and Encryption Management

• Maintain and optimise security infrastructure and tools, including firewalls, antivirus, WAF, cloud security posture management, and endpoint protection solutions.
• Oversee encryption key and certificate management, ensuring secure communication and data protection across systems.
• Work with vendors and internal teams to ensure tools remain current, licensed, and integrated effectively.

VPN, Network & Firewall Security

• Design, configure, and maintain secure VPN and Zero‑Trust network solutions for remote access and inter‑site connectivity.
• Mana…