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Careers

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Join our team and shape the future of cybersecurity

About our team

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At OnSecurity, we’re driven by our mission to simplify the management and delivery of pen-testing, making our customers’ lives easier and their applications safer.

By joining us, you’ll be part of a team dedicated to innovation, collaboration, and delivering meaningful impact.

Explore what makes us a great place to work and discover how you can thrive with us.

Become part of our team

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UX Developer

  • 40,000 - 55,000
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Senior Developer

  • 50,000-70,000
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What we strive for

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Mission-Driven Culture

Our mission is simple yet impactful: "Simplify the management and delivery of pen-testing."

By doing so, we help our customers save time, enhance security, and achieve peace of mind.

At OnSecurity, every role contributes to this mission, fostering a culture of purpose and pride.

Cutting-Edge Innovation

Shape the future of cybersecurity with an industry-leading platform.

Collaborate with global customers and a team of forward-thinkers to tackle some of the industry's most exciting challenges.

Innovation is at the core of what we do, empowering you to make a real difference.

Life-Work Balance

We believe your work should fit around your life, not the other way around.

That’s why we offer flexible working options, including fully remote and hybrid arrangements.

Create a balance that works for you, your family, and your lifestyle.

Our Values

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We believe in what we say. We pride our business on our values, and we feel they stand by the decisions we make in our mission.

Execution

We ensure that we deliver with efficiency, ownership and excellence. We follow through, deliver results and continuously improve.

Empathy

We're committed to understanding and valuing the perspectives, feelings and experiences of others, whether they are colleagues, customers or stakeholders. Their success is our success.

Innovation

We embrace forward-thinking, anticipating future needs and continuously improving how we work and deliver value for our customers and team.

Why us?

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Joining OnSecurity means stepping into a role where your work matters. You’ll be part of a team that values your contributions, fosters your growth, and celebrates your successes. Together, we’re making a difference—for our customers, for cybersecurity, and for each other.

Ready to make an impact?

Explore our open roles and start your journey with us today.

Enjoy comprehensive private healthcare coverage and access to mental health support through our Employee Assistance Programme, unlimited online GP appointments, mental health support, and flexible working to support your life and career growth.

We’re committed to your growth. Benefit from support around professional development, including certifications, conferences, and mentorship. Career progression and performance enablement are a core part of our people plan in 2025 and beyond.

We support you during major life transitions with enhanced parental leave for both maternity and paternity, giving you the time to fully enjoy these precious moments.

Embrace freedom and flexibility. Our generous work-from-anywhere policy allows you the opportunity to work and expand your horizons.

Recharge with 30 days of annual leave, plus the additional 8 bank holidays. We believe in giving you the time and space to maintain a strong life-work balance.

We’re committed to staying ahead of the curve. Our benefits package is reviewed annually to ensure it aligns with market trends and meets the needs of our team.

Enjoy exclusive offers and discounts via Vitality on gym memberships, fashion, running apparel, and supermarkets.

We provide life assurance cover at 4 x your base salary meaning that you are supported when you are applying for mortgages or if the worst should happen.