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Senior Security Engineer

Our Purpose 

At Xero, we’re here to help you supercharge your business. We do this by automating routine tasks, surfacing actionable insights and connecting businesses with the right data, advisors and apps. When that happens, we’re not only making life better for small business, we’ll be building a stronger economy that can change the world.


We are looking for an experienced Senior Security Engineer based in either New Zealand or Australia to join our Cyber Security Engineering Function in our Edge Security pod. If you have  experience in Network Security engineering roles and are looking for an opportunity to focus on protecting the Edge, this could be the perfect role for you!


About the role

As a Senior Security Engineer, you’ll ensure our network edge security systems are deployed and maintained to support the requirements of our Xero teams. You’ll be hands-on solving problems at scale in a massive multi cloud environment. You’ll become deeply familiar with the capabilities of our vendors to build and support modern and adaptable security services that will delight our customers. 


We run mission-critical infrastructure, and you’ll build resilient and scalable systems. Automation will be the standard for you, and you’ll seek new and interesting ways to reduce our operational overheads. Most importantly, you’ll be a team player and get to work with an awesome group of engineers in an amazing and unique working environment.


About the team

Edge - Security Engineering


The vision of the Edge Security team is to secure Xero’s edge with innovative technologies that deliver availability and scalability. 


We’re responsible for designing, maintaining and servicing tools and infrastructure that defends against threats from entering or spreading through Xero's network infrastructure. We’re looking for a Senior Engineer that will help us create automated security processes that empower product teams to build #beautiful secure software. 


While we don’t require you to have worked with all of our tech stack previously, what is important is you are happy to learn and work with it. You might have worked with similar solutions.


Generally, the technologies we work with are:
  • WAF technologies.
  • Content Delivery Networks (CDNs).
  • Web Service Products.
  • Network security principles.
  • Networking and system administration fundamentals.
  • AWS, GCP and Azure.
  • Python, JSON, YAML.
  • Infrastructure as Code tools.
  • Version Control.
  • CI/CD (Continuous Integration/Continuous Delivery) platforms.


What you'll do
  • It is a hands on, on the tools role and you’ll be the focal point where technical decisions meet strategic thinking.
  • Develop software and automation as agreed with the team.
  • Develop and maintain documentation.
  • Be approachable and professional.
  • Strong DevOps and Agile practices.
  • Participate in the 24/7 oncall roster as required.
  • Independently take ownership of problems and solve them.
  • A strong drive to work in a team-oriented and collaborative environment.
  • A passion for delivering high quality products to your customers.
  • Coach/mentor junior team members.
  • Work with other Xero Security Teams and Product teams to ensure that any escalated incidents and problems are resolved in a timely and comprehensive manner.  


What you'll bring
  • Relevant engineering experience building and deploying solutions in a production environment.
  • Ability to ensure Xero’s solutions are deployed and managed in a repeatable, reliable manner.
  • Deployment experience which includes improving current processes and have a strong understanding of Continuous Integration/Delivery.  
  • Ability to develop software and automation as agreed with the team. 


We truly value inclusivity and diversity in our Xero Security teams. We recently won an award for “Best place to work for Women in Security in New Zealand”.


Research has shown that often underrepresented and neurodiverse candidates will only apply for roles if they meet all the criteria. We make our hiring decisions based on passion, experience and potential so please apply even if you can’t tick every box! 


Why Xero? 

Offering very generous paid leave to use however you’d like (plus statutory holidays!), dedicated paid leave to care for your physical and mental wellbeing as well as an Employee Assistance Program to access mental health care for you and your family, health insurance, life insurance, and income protection, wellbeing and sports programmes, employee resource groups, 26 weeks of paid parental leave for primary caregivers, an Employee Share Plan, beautiful offices, flexible working, career development, and many other benefits that reflect our human value, you’ll do the best work of your life at Xero.

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What You Should Know About Senior Security Engineer, Xero

Join Xero as a Senior Security Engineer and help us supercharge the security of our innovative business solutions. We’re on the lookout for a talented individual with a wealth of experience in Network Security engineering to be a vital part of our Cyber Security Engineering Function, particularly in our Edge Security pod. In this hands-on role, you'll be tasked with ensuring our network edge security systems are robust, reliable, and meeting the needs of our diverse teams. Working within a massive multi-cloud environment, you’ll tackle complex problems, delve deep into vendor capabilities, and contribute to creating modern security services that enhance our customer experience. Your responsibilities will involve automating processes to minimize operational overheads, while continuously developing scalable and resilient systems. Collaboration is key here; you'll engage with a fantastic team of engineers and contribute to a culture of innovation and problem-solving. With a focus on WAF technologies, CDNs, AWS, GCP, Azure, and Infrastructure as Code tools, you will bring your technical acumen and adapt to our evolving environment. At Xero, we’re committed to building a diverse and inclusive workforce, and we welcome applicants from all backgrounds. If you're ready to take the next big step in your career, this Senior Security Engineer position could be the perfect fit for you!

Frequently Asked Questions (FAQs) for Senior Security Engineer Role at Xero
What are the responsibilities of a Senior Security Engineer at Xero?

As a Senior Security Engineer at Xero, you'll be responsible for ensuring our network edge security systems are effectively deployed and maintained. This includes developing software and automation, troubleshooting systems, participating in a 24/7 on-call roster, and collaborating with various teams to ensure timely resolution of escalated incidents. You'll also play a role in mentoring junior staff and fostering a team-oriented environment.

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What qualifications do I need to apply for the Senior Security Engineer position at Xero?

To be considered for the Senior Security Engineer role at Xero, you should have relevant engineering experience in building and deploying solutions in a production environment. Familiarity with continuous integration and delivery processes, as well as knowledge of network security principles and tools like WAF technologies, is essential. A background in cloud platforms such as AWS, GCP, or Azure, along with programming skills in Python and YAML, will also greatly benefit your application.

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What technologies will I be working with as a Senior Security Engineer at Xero?

In your role as a Senior Security Engineer at Xero, you will work with various technologies including WAF technologies, Content Delivery Networks (CDNs), and cloud service providers like AWS, GCP, and Azure. You'll also be immersed in infrastructure as code tools, version control systems, and CI/CD platforms, which will be essential as you develop automated security processes and solutions.

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What does the team culture look like for a Senior Security Engineer at Xero?

The team culture at Xero for the Senior Security Engineer role is centered on collaboration, support, and inclusivity. You will be part of a diverse team that values input and encourages continuous learning. With an emphasis on Agile practices and strong DevOps methodologies, you’ll enjoy working in a creative environment where your ideas are welcome, and contributions are celebrated.

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How does Xero support the professional development of Senior Security Engineers?

At Xero, professional development is a key priority. As a Senior Security Engineer, you will have opportunities to participate in ongoing training and development programs tailored to enhance your skills. Additionally, you'll be encouraged to take on mentoring roles for junior engineers and collaborate across teams, which will further enrich your career growth.

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Common Interview Questions for Senior Security Engineer
Can you explain your experience with network security principles relevant to the Senior Security Engineer role?

When answering this question, emphasize your hands-on experience with network security. Discuss specific principles and technologies you've implemented in prior roles and how they relate to protecting network infrastructures. Providing examples of when you've successfully mitigated threats or improved security measures will showcase your capabilities.

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How do you approach developing automated security processes?

To effectively answer this question, share your methodology for automating security. Discuss the tools and technology stacks you have used, such as scripts in Python or automation frameworks. Highlight specific projects where you implemented automation and the impact it had on reducing operational overheads, showcasing your problem-solving skills.

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Describe a challenging security incident you handled and how you approached it.

In your response, provide a detailed account of a real incident, outlining the nature of the threat, your strategy for addressing it, and the outcome. Focus on your analytical skills, collaboration with team members when needed, and the lessons learned from the experience, which demonstrate your capability to manage crisis situations.

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What strategies do you have for keeping up to date with the latest security threats and technologies?

Discuss your proactive approach to professional development, such as subscribing to security blogs, attending conferences, participating in webinars, or contributing to security communities. Highlight how staying informed about the latest trends has allowed you to implement effective security measures in previous roles.

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How do you ensure effective communication and collaboration with other teams?

Explain the importance of communication in your work and share specific techniques you have used to foster collaboration. This could include regular meetings, using project management tools, or maintaining clear documentation. Providing examples shows that you value teamwork and can work effectively across departments.

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What is your experience with CI/CD and how does it relate to security?

When addressing this question, outline your experience with CI/CD practices and how you've integrated security within those pipelines. Discuss tools you've used and how you ensure security checks are automated at every stage of the development lifecycle to promote secure software deployment.

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How would you prioritize security tasks in a fast-paced environment?

Your answer should demonstrate your ability to assess risks and prioritize effectively. Discuss your approach to evaluating security threats based on their potential impact, the tools you use to manage multiple tasks, and how collaboration plays a role in decision-making to meet urgent needs.

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Can you provide an example of how you coached or mentored a team member?

Highlight a specific scenario where you've guided a junior team member—discuss the goals you set, how you evaluated their progress, and what techniques you used to encourage their growth. Your answer should illustrate your leadership qualities and passion for helping others develop in their security careers.

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What steps would you take if you discovered a security vulnerability in a system?

Outline a structured response, including assessing the risk level, documenting the findings, and notifying relevant stakeholders immediately. Discuss how you would work collaboratively to resolve the issue and ensure affected systems are secured, demonstrating your problem-solving and leadership approach.

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Why do you want to work as a Senior Security Engineer at Xero?

When addressing this question, reflect on your alignment with Xero’s values and mission. Discuss your passion for security engineering, enthusiasm for working with innovative teams, and how you see yourself contributing to making Xero a safer environment while enjoying the wonderful culture they offer.

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Xero is a New Zealand–based technology company that offers a cloud-based accounting software for small businesses. They have offices in New Zealand, Australia, the United Kingdom, the United States, Canada, South Africa and Singapore.

252 jobs
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BADGES
Badge ChangemakerBadge Diversity ChampionBadge Family FriendlyBadge Future MakerBadge Work&Life BalanceBadge Rapid Growth
CULTURE VALUES
Inclusive & Diverse
Rise from Within
Mission Driven
Diversity of Opinions
Work/Life Harmony
Customer-Centric
Social Impact Driven
Passion for Exploration
BENEFITS & PERKS
Family Medical Leave
Maternity Leave
Paternity Leave
Family Coverage (Insurance)
Medical Insurance
Dental Insurance
Vision Insurance
Mental Health Resources
Life insurance
Disability Insurance
Health Savings Account (HSA)
Flexible Spending Account (FSA)
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
April 13, 2025

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