Application Security Jobs in Portsmouth

25 of 25 Application Security Jobs in Portsmouth

Senior Application Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Lawrence Harvey
Senior Application Security Engineer Salary: up to £100,000 + bonus + benefits Location: UK – Remote This company is scaling its security function and is hiring Senior Application Security Engineers to help embed secure development practices across its engineering teams. You’ll play a hands … on role in identifying and resolving vulnerabilities, integrating security into the SDLC, helping developers create software that is secure, robust, and production-ready by design. You’ll be joining a high-impact security team at a pivotal point in the company’s growth. The environment spans legacy systems … Conduct secure code reviews and provide clear remediation guidance to engineering teams. Embed automated security checks into CI/CD pipelines using existing AppSec tools. Perform threat modelling and contribute to secure design decisions. Develop PoCs to demonstrate risk and impact of discovered vulnerabilities. Requirements: 5+ years of hands More ❯
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Head of Information Security

portsmouth, hampshire, south east england, United Kingdom
LevelUP HCS
Job Title: Senior Vice President, Head of Security – EMEA We are seeking a highly skilled and experienced professional to join our team as Senior Vice President, Head of Security – EMEA . This critical leadership role reports directly to both the local Chief Information Officer (CIO) and the Global … Chief Information Security Officer (CISO). You will play a pivotal role in shaping our information security strategy and engineering direction across the EMEA region. This senior-level position involves overseeing and managing all aspects of security for the region. The ideal candidate will possess strong technical … proven ability to lead diverse teams. Excellent communication skills, team collaboration, and a self-motivated attitude are essential to drive the progress of our security initiatives. We are looking for individuals who thrive in a fast-moving environment and are comfortable working with minimal supervision. Our team consistently delivers More ❯
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Senior IT Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Americold Logistics, LLC
Americold – Helping our customers Feed the World Here at Americold Barcelona we are now recruiting for a Senior IT Security Engineer. The Senior IT Security Engineer will design, configure, optimize existing, and deploy new security systems/solutions aligned with global business risk/objectives. This role … is focused on technical operations and support of various information security tools including event/incident management (SIEM), cloud security, endpoint detection and response, email security, and vulnerability management. This position will be responsible for supporting the Director IT Security in reviewing and evaluating new, alternative … and cost-effective information security solutions and services and partnering with compliance. Essential Functions: Partners with various teams, Infrastructure, End User Computing and the PMO to optimize existing security services and deploy new tools in support of the security roadmap. Must be capable of interacting effectively with More ❯
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Senior Application Security Consultant

portsmouth, hampshire, south east england, United Kingdom
EVOLUTION PROJECT CONSULTING LIMITED
About the Role We are seeking a highly experienced Application Security Consultant to conduct a comprehensive security review of a web-based application. This is a non-invasive, review-only assignment — no remediation or code modifications are required. You’ll work independently to assess application code … and related configurations, identify any security vulnerabilities, and deliver a detailed, evidence-based security audit report . Key Responsibilities Perform static code analysis and security audit of a web application. Identify potential vulnerabilities in logic, data handling, authentication, and access control. Assess the application against OWASP … known issues. Produce a professional security report with risk ratings, findings, and recommendations. Required Skills & Experience 4+ years in Application Security , AppSec consulting , or Secure Code Review roles. Deep understanding of secure coding practices in web frameworks (e.g., JavaScript, Python, PHP, Node.js). Familiarity with tools like More ❯
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IT Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
Sanderson
IT Security Engineer Glasgow – Hybrid working 3 days per week in the office £60,000 - £65,000 + benefits Fantastic new permanent opportunity for an experienced IT Security Engineer with a broad background within IT Infrastructure, Security Engineering and Operations for this specialist technology business based in … Glasgow. As a specialist IT Security Engineer, you will work as part of their DevSecOps team based in Glasgow. The role will involve working closely with the wider technology teams to enhance their cyber maturity. Furthermore, it provides the opportunity to contribute towards the implementation and management of various … security technologies. Main responsibilities: Analysing security events and incidents relating to internal and customer assets. Designing and developing SIEM security use cases. Designing and implementing security controls and secure configurations. Maintaining proactive vulnerability scanning ensuring that all known vulnerabilities are addressed in line with policy. Collaborating More ❯
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Application Security Specialist

portsmouth, hampshire, south east england, United Kingdom
Korn Ferry
Application Security Specialist Our client is looking to hire an experienced Application Security Specialist to join them on a 6-month initial contract, to work on a hybrid (London, remote), inside IR35 model. The pay rate for this role will be circa £650 per day, inside … IR35 Key Skills Required: Strong Security and Development background, in SDLC-focused roles Deep knowledge of OWASP API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM …/logging tools to track API threats Familiarity with NIST, OWASP SAMM, or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders Experience in large-scale, enterprise environments is a big plus If interested More ❯
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Application Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
MCS Group | Your Specialist Recruitment Consultancy
Group is working exclusively with one of the most exciting technology companies in the UK and Ireland as they look to expand their Cyber Security team. Established over 7 years ago, our client has grown from strength-to-strength having created a unique platform that in essence, makes software … engineers' lives easier and allows technology organisations to create, deliver and maintain better software. With their Cyber Security division expanding, we're looking for a senior/lead Application Security Engineer who will report to a newly appointed head of security (a proper high achiever) and … will immerse themselves in a major strategic initiative of making this ground breaking platform more secure from an application security perspective. This is the perfect opportunity to join a truly scaling business that has been in the news in recent months for all the right reasons. Extremely well More ❯
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Security Solution Architect (Hardening /OT Networks)

portsmouth, hampshire, south east england, united kingdom
National Gas
Job Title: Security Solution Architect (Hardening/OT Networks) Location: Warwick, 1-2 days onsite per month Remuneration: £800 - £850 per day Contract Details: Fixed Term Contract, 6 months, Full Time Join a forward-thinking organisation dedicated to connecting people to the energy they use safely, reliably, and efficiently … We are seeking a passionate and experienced Security Solution Architect to enhance the security of our gas operations. Responsibilities: Securely integrate new technology capabilities into gas operations, ensuring robust security measures. Define and document security architecture blueprints, focusing on threat modelling and risk assessments. Establish security standards and best practises for cloud, physical, and operational technologies. Collaborate with development teams to embed security controls into application design. Lead security architecture reviews and provide expert guidance on complex security challenges. Stay updated on the latest security threat assessment frameworks, including OWASP More ❯
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Principal Technical Program Manager – Application Security

portsmouth, hampshire, south east england, united kingdom
Hybrid / WFH Options
Oracle
development, and their intersection with software assurance needs. Who are we? The Oracle Software Assurance organization is a world-class team of high caliber application security researchers, analysts, software engineers and site reliability engineers who thrive on new challenges. We are an inclusive and diverse team with a … on a critical greenfield software assurance project collaboratively with our cloud and mobile engineering teams. The Software Assurance organization has the mission to make application security and software assurance, at scale, a reality. We are a dedicated team, leveraging each other’s insights and abilities to produce cutting … you have a strong technical background. You will have demonstrated examples of working closely with technical and operational teams such as software developers, researchers, security analysts, SREs, Data scientists and mobile engineering teams, having a background in software assurance is highly desirable. A strong drive, sense of ownership and More ❯
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Senior Application Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
Cloudsmith
to see. This job is with the software supply chain company - securing and powering how software gets delivered everywhere. What you'll do: Embed security across the platform, from source to prod. Architect security controls across distributed, cloud-native systems. Lead threat modeling and security reviews (and … get people to enjoy them) Pen-test services and infra (ethically, please). Extend security automation and monitoring with tools like CircleCI, GitHub Actions, DataDog, AWS Security Hub, etc. Harden everything from container runtimes to APIs to artifact pipelines. Write secure code, review other people’s code, and … background in software development. At your core, you’re a software engineer. Python for sure and a bit of TypeScript never hurt anyone. Deep application security knowledge Hands-on experience with SAST, DAST, RASP, and securing cloud (preferably AWS). Strong grasp of container security, API security More ❯
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Cloud Security Engineer

portsmouth, hampshire, south east england, United Kingdom
Altura Partners Ltd
About the Role: Altura Partners Cyber practice are partnered with a Cyber SaaS vendor looking for a Senior Cloud Security Engineer (internal facing), responsible for safeguarding their cloud and application environments. You'll be spearheading the design and deployment of security controls in thier AWS environment, adopting …/MDM, finding and addressing posture gaps, and expanding our ability to protect data that really matters. What You'll Do: Design and implement security controls and secure-by-default architecture in AWS and Azure, including but not limited to IAM. Implement secure guardrails for cloud deployments in Terraform … Investigate security incidents in conjunction with team, perform root cause analysis, and recommend corrective actions Participate in on-call and security support responsibilities Collaborate with Engineering, Platform and Development teams to address security issues and implement best practices Develop and maintain security documentation; ISO, NIST and More ❯
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System Development Manager

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
TRIA
on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a … with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and … between systems, including real-time and batch processing pipelines. Support analytics and reporting needs through the engineering of clean, reliable data sources and APIs. Security Engineering & Governance Partner with security engineers to integrate security throughout the software lifecycle (shift-left security, secure coding, threat modelling). More ❯
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Microsoft 365 Security Consultant

portsmouth, hampshire, south east england, United Kingdom
Vallum Associates
Job Title: Microsoft 365 Security Consultant (Information Protection, Cloud APP Security, DLP) Location: Remote, UK Duration: 06+ Months Microsoft 365 Security Consultant is responsible to provide for an integrated smart and secure solutions for Next Generation Technologies, with unique solutions focused on Cloud, Mobility, Virtualization, threat management … Cyber Security, Data Security and Identity Access Governance for stronger control and Improved Flexibility to adapt to business demands. As a solution consultant, you would be responsible for · Project Planning, Capacity Planning, Implementation, Installation, Policy Creation, Report building for Data Security tools and Technologies, Preferably M365 security solutions. · Must be able to execute strategic and tactical direction for Data Security solutions offerings · Work on POC and production deployments/Configuration of M365 security solutions · Support implementation programs for complex enterprise scale solutions · Integrate cloud applications with security products. Troubleshoot integration issues. · Contribute to More ❯
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Principal Security Data Analyst

portsmouth, hampshire, south east england, united kingdom
Oracle
Oracle’s Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a diverse and inclusive team of architects, researchers, and engineers, combining our unique perspectives and expertise to create secure and innovative solutions to complex challenges. With … and the agility of a start-up, we are working on a greenfield software assurance project. Work You’ll Do We are seeking a Security Data Analyst to join our team. This role will combine data analysis, security research, and development skills where you will be responsible for … designing, developing a platform capable of analyzing large datasets for security and compliance requirements. You will leverage your expertise in cybersecurity to proactively identify and address emerging threats, ensuring that secure coding practices are seamlessly integrated into every stage of development. What You’ll Bring Bachelor’s degree in More ❯
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Principal Data Analyst

portsmouth, hampshire, south east england, united kingdom
Oracle
Oracle’s Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a diverse and inclusive team of architects, researchers, and engineers, combining our unique perspectives and expertise to create secure and innovative solutions to complex challenges. With … and the agility of a start-up, we are working on a greenfield software assurance project. Work You’ll Do We are seeking a Security Data Analyst to join our team. This role will combine data analysis, security research, and development skills where you will be responsible for … designing, developing a platform capable of analyzing large datasets for security and compliance requirements. You will leverage your expertise in cybersecurity to proactively identify and address emerging threats, ensuring that secure coding practices are seamlessly integrated into every stage of development. What You’ll Bring Bachelor’s degree in More ❯
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Senior C++/Rust Software Engineer

portsmouth, hampshire, south east england, United Kingdom
Black Duck
Black Duck Software, Inc. helps organizations build secure, high-quality software, minimizing risks while maximizing speed and productivity. Black Duck, a recognized pioneer in application security, provides SAST, SCA, and DAST solutions that enable teams to quickly find and fix vulnerabilities and defects in proprietary code, open source … components, and application behavior. With a combination of industry-leading tools, services, and expertise, only Black Duck helps organizations maximize security and quality in DevSecOps and throughout the software development life cycle. The Static Analysis team is looking for an exceptional developer, with experience or interest in building … and deploying security tools, to join the Static Analysis team at Black Duck. The job involves evolving our state of the art analysis infrastructure and generally pushing the envelope of static analysis. In particular, you will be enhancing the product engine by broadening its of coverage and deepening its More ❯
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Lead Architect - Brand new function. Insurance

portsmouth, hampshire, south east england, United Kingdom
Nixor
senior stakeholders Lead the architectural transition from a complex monolithic system to a modern microservices architecture Define and implement standard patterns and practices for application development, security, observability, and more Act as a mentor and coach to junior architects and technical teams Be the technical point of contact … on delivering meaningful, user-centric designs from day one We’re seeking experienced Architects with: A strong background in solutions architecture (Covering Applications, Cloud, Security etc) Demonstrated experience modernizing legacy systems into microservices-based architectures Deep knowledge of standard design patterns, cloud infrastructure, and application security Prior More ❯
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Applications Manager - IT

portsmouth, hampshire, south east england, United Kingdom
Criterion Hospitality
understanding of systems that support hotels, residential, and business environments. Assist with systems and other related items. fully office based role . Key Responsibilities: Application Ownership & Support Manage and support core business applications, including PMS, POS, CRM, finance, HR, and facilities management systems. Oversee integration between applications to ensure … seamless data flow and operational efficiency. Co-ordinate between IT and the application users and vendors Act as the escalation point for application-related issues, working closely with internal stakeholders and external vendors. Strategy & Optimisation Evaluate current systems for functionality, scalability, ROI, lifecycle and optimisation. Collaborate with department … heads to align application use with business needs. Project Management Lead system upgrades, implementations, and migrations. Coordinate user acceptance testing (UAT) and training rollouts. Maintain project documentation, timelines, and communication with stakeholders. Vendor & License Management Manage vendor relationships, contracts, and SLAs. Monitor license usage and ensure compliance with software More ❯
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UX Designer

portsmouth, hampshire, south east england, United Kingdom
Invicti
before hackers do, and we need a UX designer who can turn technical complexity into elegant simplicity. You'll be the bridge between sophisticated security tools and the humans who use them. If you get excited about solving customer problems, translating technical jargon into intuitive interfaces, and using your … years of UX design experience, preferably in B2B SaaS, cybersecurity, or enterprise software environments You're comfortable discussing technical concepts and can translate complex security workflows into intuitive user experiences You thrive in agile/scrum environments and enjoy collaborating with engineers, product managers, and customers on technical topics … re proficient with Figma and modern design workflows You’ve worked in and updated JIRA or similar ticketing systems You're genuinely interested in application security and motivated to develop domain expertise in DAST You excel in ambiguous situations, can work independently, and take initiative to solve complex More ❯
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Lead Software Engineer - C# / .Net

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
KPMG UK
Demonstrable experience leading the design and development of distributed systems and secure products at scale. Have a solid understanding of design practices, system architecture, application security and conducting code reviews. Experience building applications for the cloud such as Azure (pref.), AWS or GCP Know how to build REST … Built software that includes user facing web applications. Skills we’d love to see/Amazing Extras: Experience with Docker, Kubernetes or other serverless application delivery platforms Used GIT, Jenkins, GitHub or Azure DevOps Worked Generative AI and large language models such as Azure AI Services or Chat GPT. … Applying to KPMG: www.kpmgcareers.co.uk/experienced-professional/applying-to-kpmg/Tips for interview: www.kpmgcareers.co.uk/experienced-professional/applying-to-kpmg/application-advice/KPMG values: www.kpmgcareers.co.uk/experienced-professional/applying-to-kpmg/our-values/KPMG Competencies: www.kpmgcareers.co.uk/experienced-professional/applying More ❯
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Software Engineer in Test

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
SecureFlag
About the Role We are a fast-growing security training company, and we're looking for a QA Engineer/Software Development Engineer in Test who is passionate about quality, reliability, and secure software development. In this role, you’ll be responsible for testing a Java-based codebase that … Good communication skills and a collaborative mindset. Preferred Qualifications Experience with performance/load testing tools (e.g., JMeter, Gatling). Exposure to common web application security issues (e.g., XSS, SQL injection, broken access control). Knowledge of SQL and experience verifying backend data consistency. Familiarity with containerized environments More ❯
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Senior DevOps Engineer– SC Cleared

portsmouth, hampshire, south east england, United Kingdom
identifi Global Resources
LDAP connectors Harden, secure, and monitor platforms with TLS, OAuth2, RBAC , and Zero Trust principles Troubleshoot and support complex platform deployments Collaborate with DevOps, AppSec, and engineering teams Document everything from architecture and configuration to custom builds WHAT YOU NEED TO BE SUCCESFUL Strong hands-on experience with Docker & Kubernetes More ❯
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Sales Support Executive

portsmouth, hampshire, south east england, United Kingdom
GradBay
The Business: Our client is a UK-based company specialising in web application security. The company is renowned for developing a leading toolkit for web security testing. The Job: An exciting opportunity to kick-start your sales career by helping a thriving scale-up business to achieve its More ❯
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JavaScript Security Software Developer, Fraud (Remote)

portsmouth, hampshire, south east england, United Kingdom
Hybrid / WFH Options
bet365
Who we are looking for A JavaScript Security Software Developer, who will safeguard the Business by uncovering exploits, architecting robust defences, and collaborating with teams to thwart sophisticated reverse engineers. Within the fraud site defence team, you will be a key defender at the forefront of our security … will design and implement cutting-edge anti-tamper and anti-cheat systems across our website, with hand-offs to our companion apps for additional security checks, whilst ensuring robust data integrity and innovative client hardening. This role will challenge you to leverage your programming, reverse engineering, and obfuscation techniques … to keep the Company one step ahead in today’s dynamic threat landscape. Preferred Skills, Qualifications and Experience Experience and interest in JavaScript security, threat modelling, developing anti-bot measures and creating robust obfuscation flows. Experience in architecting and implementing advanced security features, anti-tamper, and robust defence More ❯
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Engineering Manager

portsmouth, hampshire, south east england, United Kingdom
Pearson Carter
requests. Balance creating and repaying technical debt and developing new features. Facilitate technical discussions and decision-making to support the team in solving complex security challenges. Stay informed on the latest trends and advancements in mobile app security and integrate them into the team’s practices. Hire, train More ❯
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