About the Role
We are looking fot an experienced Senior DevOps Engineer with strong AWS networking, infrastructure automation, and managed file transfer experience. The engineer will design and deliver a secure file transfer platform for a critical external financial services partner. The solution will use private connectivity, BGP routing, Amazon S3, and an isolated AWS environment. The engineer will separate partner traffic from business-critical production traffic. The role includes architecture, implementation, testing, migration, documentation, and production support.

Key Responsibilities
• Design and implement BGP routing over redundant IPsec VPN tunnels.
• Design isolated AWS environments with VPCs, Transit Gateway, and controlled routing.
• Implement a secure managed file transfer solution based on partner protocol requirements.
• Integrate file transfer services with Amazon S3 and internal systems.
• Provision and manage AWS infrastructure through infrastructure as code.
• Implement access controls, encryption, secrets management, logging, and monitoring.
• Define file validation, recovery, reconciliation, and failure-handling processes.
• Plan and complete migration with parallel testing and rollback procedures.
• Produce architecture diagrams, network plans, implementation documents, and operational runbooks.
• Coordinate delivery with partner, security, network, application, and platform teams. Required Qualifications & Skills
• Extensive production experience with AWS infrastructure and networking.
• Strong knowledge of VPCs, Transit Gateway, IPsec VPNs, BGP, and routing




• Experience with Amazon S3, IAM, KMS, CloudWatch, and VPC endpoints.
• Experience with managed file transfer platforms and external partner integrations.
• Strong network, Linux, and application troubleshooting skills.
• Experience with security controls, monitoring, recovery testing, and incident response.
• Strong technical writing and stakeholder coordination skills. Preferred Qualifications
• Experience with TerraformAnsible.
• Production experience with IBM Connect.
• Experience with financial services or another regulated industry.
• Knowledge of mainframe environments and critical production traffic.
• Experience with AWS multi-account governance.
• AWS Certified Advanced Networking Specialty certification.
• AWS Certified DevOps Engineer
- Professional certification. NB

Working hours
11:00 am
- 20:00 CET, Monday to Friday
- availability during these hours is mandatory. NB2 The role is planned as an initial 3-month engagement, with the opportunity to continue beyond this period depending on the project’s needs and progress.

We offer
*:
• Adaptable working format
- remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits
• not applicable for freelancers

📌 Senior DevOps Engineer (Madrid)
🏢 N-iX
📍 Madrid