3 of 3 Contract Application Security Jobs in South Yorkshire

PER WEEK ONSITE IN SHEFFIELD This role is central to strengthening and enhancing WAF capabilities across multiple applications. It involves designing, testing, and implementing advanced WAF configurations to improve security posture and detection … efficacy. Key responsibilities include building custom rules, analysing logs to fine-tune the WAF, mitigating false positives, and optimizing configurations. Ideal candidates should have a background in SOC, CSIRT, AppSec, or Ethical Hacking, with hands-on experience in at least three major WAF platforms such as Akamai, F5, AWS, or GCP. Key Responsibilities Design and implement complex custom WAF rules … to address security gaps. Develop and integrate efficacy testing for WAF rules into automation pipelines. Provide expert support for WAF proof-of-concepts, new features, and cost-saving in-house solutions. Offer security expertise on web and API-based attacks, evasions, and defenses. Contribute to DevSecOps automation and CI/CD pipeline integration. Review and act on tuning More ❯

Android Developer - Contract MUST BE ELIGIBLE FOR BPSS Location: Sheffield Duration: 30/12/2025 Role Description: . Experience in working in an agile and DevOps environment.· Proficiency in Kotlin and Java with understanding of Android framework and libraries. More ❯

iOS Developer - Contract MUST BE ELIGIBLE FOR BPSS Location: Sheffield Duration: 30/12/2025 Role Description: . Experience in working in an agile and DevOps environment.· Proficiency in Swift and Objective-C with understanding of iOS framework and More ❯