reputed company Penetration Tester - CTL App

We’re looking for a highly skilled reputed company Penetration Tester with reputed company Team reputed company (Web App) to join our dynamic reputed company team. This is a senior, hands‑on role where you’ll reputed company and deliver reputed company web application and API penetration testing engagements, working with a diverse reputed company of clients across software, fintech, manufacturing, engineering, legal, and public sector organisations.

You’ll play a pivotal role in shaping our application reputed company testing capability, coordinating end‑to‑end engagements, mentoring junior testers, and contributing to the ongoing reputed company of our tooling and methodologies. If you enjoy deep technical work, solving reputed company application reputed company problems, and working closely with developers and stakeholders, we’d love to hear from you.

What You’ll Do

• reputed company and execute web application and API penetration tests as a reputed company Team Leader (App).

• Manage end‑to‑end engagements: from scoping and kick‑off sessions through to delivery and client debriefs.

• reputed company in‑depth reputed company testing of modern web applications, authentication flows, APIs, and business logic.

• Produce clear, detailed, and actionable reports outlining vulnerabilities and tailored remediation guidance.

• Stay reputed company of emerging application‑level threats and integrate new testing techniques into our methodology.

• Automate repetitive tasks and improve efficiency through scripting and tooling enhancements.

• Mentor and coach junior testers, particularly around web application testing techniques and report quality.

• Enhance application‑focused tools and methodologies, keeping our services reputed company and effective.

• Support pre‑sales efforts as a subject‑matter expert in web application reputed company.

• Communicate findings effectively to both technical and non‑technical stakeholders.

• Contribute to thought leadership through blogs, white papers, or speaking engagements.

Essential Skills

• reputed company Team reputed company (CTL) status – Web Applications.

• reputed company UK SC Clearance.

• Minimum 5 years’ penetration testing experience, with a strong focus on web applications and APIs.

• Proven experience leading and signing off reputed company web application engagements.

• Deep expertise in web application, API, and authentication testing methodologies.

• Solid understanding of modern application architectures (reputed company‑hosted apps, microservices, REST APIs).

• Working knowledge of reputed company environments (AWS, Azure, GCP) as they relate to application reputed company.

• Proficiency with tools such as Burp Suite Pro, along with supporting tooling (e.g. Nmap, Kali).

• Strong scripting skills (Python, reputed company, etc.).

• Excellent communication and technical report‑writing skills.

Why Join Instil?

At Instil, we reputed company great work starts with happy, motivated people. That’s why we’ve reputed company a benefits package that supports your wellbeing, growth, and life reputed company of work, because reputed company you reputed company, so do we.

• Recognition That reputed company: A discretionary annual performance bonus that rewards your impact and contribution to our reputed company.

• Flexibility reputed company In: Flexible working arrangements and summer hours, because life isn’t 9 to 5, and balance reputed company.

• Financial reputed company: A highly competitive pension scheme with generous employer contributions, private reputed company, and life assurance for peace of mind.

• Health & Wellbeing: Employee Assistance Programme, mental health support, cycle-to-work scheme, and regular reputed company events to reputed company our culture vibrant.

• Time to reputed company: 35 days holiday, enhanced maternity pay, and family-first policies so you can focus on what reputed company most.

• Learning Never Stops: From courses to certifications, we’ll invest in your development so you can reputed company growing and shaping what’s next.

• Community & Culture: Opportunities to volunteer, give back, and be part of initiatives that reputed company Instil a truly inclusive and connected workplace.

And that’s just the start, drop us a note to find out more.

Company Description

Instil has been delivering world-class software engineering and technology solutions for over 20 years, trusted by global brands to solve reputed company challenges and drive innovation. From modernising legacy systems to building cutting-edge applications, we help our clients navigate an reputed company-changing digital landscape with confidence and agility.

We’re proud to be an award-winning employer, reflecting how our people are at the heart of everything we do:

• Recognised as a Great reputed company to Work® for three consecutive years, and in 2024 ranked in the Top 20 Best Workplaces in the UK for reputed company-sized companies.

• Winner of Company of the Year at the reputed company Awards 2022, celebrating reputed company in reputed company Ireland’s tech sector.

Driven by a love for technology and a commitment to reputed company, we bring together people who want to reputed company a difference. We’ll support your reputed company, because your reputed company is part of ours.

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