Security Engineer

At Prospa, we exist to unleash the potential of small business. We are building the future of small business and simplifying cashflow by building a leading platform that helps customers make payments, fund growth and reduce admin. Join us!

The role

As a hands on Security Engineer, you will play a key role in the day‑to‑day operation and improvement of our security capabilities. You will be hands‑on with detection engineering, cloud and identity security, incident response, and automation, while developing deeper expertise in security architecture over time through mentoring and real‑world design decisions.

This is an ideal role for someone who enjoys ownership, continuous improvement, and solving real security problems in a Microsoft‑centric environment.

What you'll be doing

Security Operations and Detection Engineering

• Configure, tune, and continuously improve SIEM components including integrations, detections, alerts, and dashboards

• Partner with Security Operations to investigate and respond to alerts and incidents, providing escalation support and driving post‑incident improvements

• Maintain and improve endpoint security posture using EDR technologies

Cloud and Identity Security

• Design and implement security controls across Microsoft 365 and Entra ID, including Conditional Access and Defender for Office 365

• Contribute to identity and access management improvements aligned with security best practices

• Monitor and enhance Azure security services and logging using Azure Monitor and KQL

Security Uplift and Continuous Improvement

• Deliver security uplift initiatives in partnership with the Security Engineering Manager

• Support security risk assessments and vulnerability management activities

• Develop and maintain security documentation, incident playbooks, and response procedures

• Use PowerShell and automation to streamline security operations and incident response workflows

Incident Response and On‑Call

• Participate in a shared on‑call rotation for security incidents, with support from Security Operations and the Security Engineering Manager

What you'll need to succeed

• Hands‑on experience engineering and supporting cyber security solutions in a Microsoft‑centric environment, including M365, Entra ID, and Azure

• Strong experience with SIEM and EDR platforms, including detection tuning and alert response

• Working knowledge of Azure security services and cloud security principles

• Exposure to security frameworks and best practice approaches

• Understanding of network security concepts such as firewalls and segmentation

• Strong communication skills with the ability to work effectively with both technical and non‑technical stakeholders

• An analytical, improvement‑focused mindset with a bias for action

Don't let a confidence gap get in the way of submitting your application.

What we offer:

As a busy grow getter, our benefits are here to help you be unstoppable in your mission. Whether it's a lofty career goal, investing in your family, saving the planet or simply feeling fulfilled:

• Growth: There's something for everyone including learning days, a learning allowance, leadership programs, CliftonStrengths workshops, digital learning, and biannual companywide learning weeks.

• Wellbeing: Think fitness initiatives, seasonal programs (including flu shots, massages, skin checks, wellness classes), additional "Me Days" and access to holistic EAP coaching.

• Lifestyle: Find your fit with flexible working options, top notch office facilities and diverse remote/ travel work options. You can also purchase additional leave and take up to 18 weeks paid parental leave.

• Impact: Join a business that cares and is recertified as carbon neutral. And you can tap into volunteer days, our partnership with Kiva and join a range of employee resource groups.

Why Prospa?

We're proud to be a certified Great Place to Work and recognised as a Best Workplace for Women, Best Workplace in Technology, and Best Workplace in Australia. We embrace diversity in people and ideas, fostering a collaborative, inclusive, and respectful environment where we celebrate who you naturally are.

Don't just take our word for it, check out Prospa’s culture code to see it for yourself.