Hybrid Senior Engineer – Cloud & Application Security

Posted 1 hour ago

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About the role

  • Cloud Security & Application Security Engineer at Cellulant enhancing security across cloud-native platforms and applications. Working in a hybrid role to support a leading payment service provider in Africa.

Responsibilities

  • Architect, deploy, and maintain cloud-native security controls across AWS environments
  • Implement and optimize CSPM, CIEM, CWPP, CDP, and container security tools
  • Define/Enhance secure cloud patterns for compute, network, storage, IAM, secrets management, and multi-account strategies
  • Build/enhance and enforce least-privilege IAM policies, service roles, and credential lifecycle management
  • Support cloud hardening (OS-level and service-level), encryption, key management (KMS), and network segmentation
  • Perform threat modeling, secure code reviews, architecture reviews, and security assessments across multiple codebases
  • Partner with engineering teams to continually embed security into SDLC, CI/CD pipelines, and DevSecOps workflows
  • Secure APIs, microservices, backend services, and distributed systems using best practices and industry frameworks
  • Enhance secure coding standards, patterns, and reusable security modules
  • Support API security design, testing, and governance across internal and external integrations
  • Perform security reviews for REST, event-driven, and payment-processing APIs
  • Ensure strong authentication (OAuth2, OIDC, mTLS) and secure token design
  • Harden and secure workloads, containers, and orchestration platforms (Docker, Kubernetes)
  • Review/enhance runtime detection & response (EDR/XDR) for cloud-native environments
  • Ensure secure configurations, kernel-level protections, logging, and monitoring
  • Automate cloud and application security tasks using Python, Bash, Terraform, CloudFormation and/or CI/CD workflows
  • Develop automated guardrails, policy-as-code, and security-as-code pipelines
  • Support the SOC team to develop and maintain security detection rules, alerts, and response playbooks
  • Perform deep technical investigation of cloud, application, and API security incidents
  • Collaborate with the SOC team to improve signals, automate responses, and reduce MTTD and MTTR
  • Ensure alignment with PSP security requirements including PCI DSS and BFSI-grade controls
  • Support security testing, continuous monitoring, and continuous assurance for payment platforms
  • Partner with the Infosec GRC team during audits, pentests, and regulatory assessments
  • Advise product, engineering, and DevOps teams on secure architectures and design choices
  • Provide training and champion a “secure-by-default” engineering culture
  • Operate as a senior technical security expert without direct managerial responsibilities

Requirements

  • 6+ years experience in information security, with at least 4+ years focused on cloud and application security
  • Strong hands-on expertise with AWS (preferred)
  • Deep experience securing Linux-based cloud workloads
  • Strong understanding of: API security architectures, Microservices and container ecosystems, CI/CD pipelines, DevSecOps principles, Infrastructure as code (Terraform, CloudFormation), Security as code
  • Practical experience remediating vulnerabilities identified through SAST/SCA/DAST/container scanning tools
  • Strong programming or scripting skills (Python, Bash, or Go preferred)
  • Experience with Kubernetes, container hardening, and runtime security solutions
  • Prior work in fintech, PSPs, BFSI, or other high-compliance environments is highly desirable, but not mandatory.

Benefits

  • Generous personal time off
  • Medical and life insurance benefits (markets permitting)

Job title

Senior Engineer – Cloud & Application Security

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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