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Jobs at Leighton (Now Hiring) — 2 open

Leighton logoLeighton

Senior AppSec Engineer

Newcastle upon Tyne, England, United Kingdom · Remote OK

Senior

Senior AppSec Engineer Department: Consultancy Employment Type: Full Time Location: Remote Description The Role Are you passionate about building security into software from the ground up? We’re looking for a Senior Appl…

Skills: Application Security, Secure-by-Design, CI/CD Pipeline Integration, Threat Modelling, SAST

Leighton logoLeighton

Strategic Alliance Lead

Newcastle upon Tyne, England, United Kingdom · Remote OK

Senior

Strategic Alliance Lead Department: Sales & GTM Employment Type: Full Time Location: Remote Description The Role After 33+ years of excellence, Leighton are on our next chapter of growth, and we need a commercially sharp…

Skills: Strategic Partnership Management, Go-To-Market Strategy, Revenue Generation, Enterprise Sales, Account Growth

Leighton logo

Senior AppSec Engineer

Leighton

Newcastle upon Tyne, England, United Kingdom • Remote OK

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Senior

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  • Full-time
  • Competitive Salary, Contributory Pension Scheme, Private Healthcare, 25 Days Annual Leave, Bank Holidays, Option To Buy Or Sell Holiday
  • Posted 13d ago
  • ~40 hrs/week

Responsibilities

Lead the application security strategy by embedding secure-by-design principles and automated controls into the development lifecycle. Partner with engineering teams to conduct threat modelling, manage security tooling, and oversee penetration testing and bug bounty programs.

Requirements

Requires a software engineering background with deep knowledge of web/API vulnerabilities and experience with cloud-native environments like AWS. Candidates must be proficient in integrating security tools (SAST, DAST, SCA) into CI/CD workflows and possess strong communication skills.

Full job description

Senior AppSec Engineer

Department: Consultancy

Employment Type: Full Time

Location: Remote



Description

The Role

Are you passionate about building security into software from the ground up? We’re looking for a Senior Application Security Engineer to take charge of strengthening and evolving security.

In this role, you won’t just identify risks you’ll lead the charge in transforming how secure software is built, working side-by-side with engineering and product teams to make security an intrinsic part of everything we deliver.

What you’ll be doing

  • Own and drive application security strategy, influencing key security metrics and outcomes
  • Embed secure-by-design principles into every stage of the development lifecycle
  • Partner with engineers and product teams to elevate security awareness and capability
  • Introduce and optimise automated security controls within CI/CD pipelines
  • Lead threat modelling and secure design discussions, shaping decisions around critical areas like authentication and data protection
  • Ensure security tooling (SAST, DAST, SCA) is effective, scalable, and delivering real value
  • Oversee and enhance testing initiatives including penetration testing, scanning, and bug bounty programmes
  • Act as a trusted advisor to engineering teams triaging issues and guiding practical remediation
  • Contribute to security standards, documentation, and audit readiness
  • Champion a strong, proactive security culture across the organisation




Knowledge Skills & Abilities

  • A background in software engineering with a security-first mindset
  • Strong knowledge of modern web and API vulnerabilities (OWASP Top 10 and beyond)
  • Hands-on experience with automation, scripting, and integrating security into CI/CD workflows
  • Familiarity with security tooling such as SAST, DAST, and SCA
  • Experience working in cloud-native environments (AWS), microservices, and containerised systems
  • Confidence in reviewing architecture, leading threat modelling, and influencing secure design decisions
  • Excellent communication skills, ablility to engage, educate, and inspire engineering teams


Behaviours

  • An open and genuine communicator
  • Able to take responsibility for your actions
  • Always learning and wanting to improve
  • Takes responsibility for own development
  • Love what you do
  • Value and support your team
  • Embrace who you are
  • Open minded and willing to explore new ideas



What We Offer

We value our team and to attract exceptional people, we offer an excellent package! In 2023, 2024 and 2025 we were recognised as one of the Best Workplaces in Tech by Great Place To Work UK, the global authority on workplace culture.

As a Leighton employee you can look forward to:
  • A competitive salary this will be dependent on experience.
  • A contributory pension scheme
  • Private healthcare
  • 25 days annual leave, plus bank holidays and the opportunity to buy or sell holiday
  • A flexible approach to working hours
  • Continuous personal development, career path and training
  • And more....

Related keywords

AppSecApplication SecurityOWASP Top 10SASTDASTSCACI/CDAWSMicroservicesContainersThreat ModellingPenetration TestingBug BountyAPI SecuritySecure DesignSoftware Engineering

About Leighton

LinkedInVisit site

The North's leading AWS software developer.

Industry
IT Services and IT Consulting
Company size
51-200 employees
Founded
1992
Headquarters
Newcastle upon Tyne, England
LinkedIn followers
10,995

Leighton is a software development business that builds high performing teams and develops successful software applications for its customers. We’re on a mission to help organisations and their customers thrive in today’s fast paced world. For as long as we can remember (and we’ve been around for 30 years) organisations have struggled to deliver digital change. That’s where we come in. We help organisations thrive by bringing people and technology together. Tech. Talent. Together. We work together with our customers to gain a deep understanding of their business challenges. We are committed to creating the right blend of our tech and talent for each customer. Tech. Tech that’s made for you. It’s custom built. It’s what you need. We use AWS, Agile and DevOps principles. From making money, saving money, creating efficiencies, integrating systems and solving problems, we’ve got the tech for that. Talent. Talent that’s trusted. Projects come and go. Bring us in when you need the expertise. We can sit with your internal teams or in our HQ. We’re good at both. We work with other suppliers. Onshore and offshore. Whatever the situation, we can adapt. Together. Your agenda is our agenda. It’s where our tech and talent offering come together. The thinkers and the doers. Using a bespoke blend of our tech and talent, we work in partnership with you to develop reliable custom software solutions and applications that accelerate digital transformation with technology innovation, scalability and agility. Whether you want to accelerate your project or just start a conversation please get in touch.

Offices: Pilgrim Street, Cubo Newcastle, Bank House, Newcastle upon Tyne, England NE1 6QF, GB

Software DevelopmentTeam AugmentationAWS Cloud ServicesUX / UI DesignFront End Development / EngineeringBack End Development / EngineeringSoftware Testing / QA TestingSolution Design / Solution ArchitectureProject ManagementBusiness Analysis
View all jobs at Leighton

About Leighton

LinkedInVisit site

The North's leading AWS software developer.

Industry
IT Services and IT Consulting
Company size
51-200 employees
Founded
1992
Headquarters
Newcastle upon Tyne, England
LinkedIn followers
10,995

Leighton is a software development business that builds high performing teams and develops successful software applications for its customers. We’re on a mission to help organisations and their customers thrive in today’s fast paced world. For as long as we can remember (and we’ve been around for 30 years) organisations have struggled to deliver digital change. That’s where we come in. We help organisations thrive by bringing people and technology together. Tech. Talent. Together. We work together with our customers to gain a deep understanding of their business challenges. We are committed to creating the right blend of our tech and talent for each customer. Tech. Tech that’s made for you. It’s custom built. It’s what you need. We use AWS, Agile and DevOps principles. From making money, saving money, creating efficiencies, integrating systems and solving problems, we’ve got the tech for that. Talent. Talent that’s trusted. Projects come and go. Bring us in when you need the expertise. We can sit with your internal teams or in our HQ. We’re good at both. We work with other suppliers. Onshore and offshore. Whatever the situation, we can adapt. Together. Your agenda is our agenda. It’s where our tech and talent offering come together. The thinkers and the doers. Using a bespoke blend of our tech and talent, we work in partnership with you to develop reliable custom software solutions and applications that accelerate digital transformation with technology innovation, scalability and agility. Whether you want to accelerate your project or just start a conversation please get in touch.

Offices: Pilgrim Street, Cubo Newcastle, Bank House, Newcastle upon Tyne, England NE1 6QF, GB

Software DevelopmentTeam AugmentationAWS Cloud ServicesUX / UI DesignFront End Development / EngineeringBack End Development / EngineeringSoftware Testing / QA TestingSolution Design / Solution ArchitectureProject ManagementBusiness Analysis
View all jobs at Leighton

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