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Senior Network Automation Engineer (Linux, API, DNS DoH/DoT)
Location
Poland
Posted
63 days ago
Salary
0
Seniority
Senior
Job Description
Senior Network Automation Engineer (Linux, API, DNS DoH/DoT)
DYNE Group
Location:Remote (Europe) Preferred Regions:Poland, Portugal, Romania, Spain (low-cost EU regions) Open Positions:1 Role Overview We are seeking a Senior/Lead Network Automation Engineerto design and operate a modern, API-driven infrastructure. This role focuses on automation-first networking, DNS policy as code, and secure DNS implementations (DoH/DoT). You will play a critical role in building scalable automation frameworks, managing Linux-based network environments, and ensuring high reliability and observability across DNS and network services. Key Responsibilities Automation & Infrastructure as Code - Develop and maintain Ansible roles/collectionsfor network and DNS automation - Implement API-first integrations (REST/JSON)with Cisco and DNS platforms - Ensure code quality via Molecule testing, linting, and CI pipelines Policy Engineering - Translate business requirements into: - ipsets & ACLs - DNS policies (RPZ, split-horizon) - Cisco SSE policies via APIs - Enforce policy-as-code principles Linux Network Orchestration - Manage Linux-based network systems (iptables, routing, configs) - Implement baseline configurations, drift detection, and compliance checks DNS DoH/DoT Ownership - Design and manage DNS over HTTPS (DoH)and DNS over TLS (DoT) - Handle PKI, certificate lifecycle, and trust chains - Define fallback strategies (UDP/TCP 53) and egress policies - Ensure compatibility with proxy/PAC environments - Execute canary releases and staged deployments CI/CD & GitOps - Build and maintain pipelines using GitHub/GitLab CI + AWX/Tower - Implement progressive delivery, approvals, and rollback strategies Observability & Reliability - Monitor systems using metrics, logs, and synthetic tests - Define and manage SLOs, SLIs, and error budgets - Lead incident response and post-mortem analysis Vendor & API Integration - Act as the technical lead for Cisco APIs(Umbrella, Secure Access SSE) - Integrate third-party networking and DNS services Required Experience - 5+ yearsin Linux systems engineering (network-focused) - iptables, ipsets, routing, TCP/IP fundamentals - 3+ years of Ansible at scaleRoles, Jinja2, dynamic inventory, Vault - Molecule testing, linting tools, AWX/Tower workflows - Strong experience with API-driven automation (Python + Ansible) - Hands-on experience with GitOps & CI/CD pipelines - Deep knowledge of DNS architecture, including: - Split-horizon DNS, RPZ - DoH/DoT (client & resolver level) - PKI, fallback strategies, telemetry Nice to Have - Cisco ecosystem: Umbrella, Secure Access SSE, Meraki, FTD, ISE, SD-WAN - Cloud networking: AWS Route53, Azure DNS, GCP DNS - Terraform (network/DNS automation) - Docker / Kubernetes - Observability tools: Prometheus, Grafana, ELK, Splunk - Network telemetry: SNMP, NetFlow/IPFIX Working Style - Strong focus on Infrastructure as Code & GitOps - Emphasis on automation, testing, and auditability - Use of progressive delivery (canary + staged rollouts)for critical systems Tools & Technologies - Ansible, AWX/Tower, Molecule, Jinja2 - GitHub/GitLab CI - Python (requests, pydantic, click), Bash - Cisco APIs (Umbrella, SSE) - Linux networking (iptables/ipsets) - Monitoring: Prometheus/Grafana / ELK / Splunk Application Requirements - Share links to relevant automation projects or repositories - Include a brief description of a DoH/DoT implementationyou have designed or managed
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