{"id":2529401,"url":"https://alion.io/job/ebay-sr-software-engineer-network","title":"Sr. Software Engineer- Network","company":{"id":7519,"name":"eBay","domain":"ebay.com","url":"https://alion.io/company/ebay","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":80000,"max_usd":169000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":31},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"C++","optional":false},{"name":"Calico","optional":false},{"name":"CI/CD","optional":false},{"name":"Cilium","optional":false},{"name":"DNS","optional":false},{"name":"Envoy","optional":false},{"name":"Go","optional":false},{"name":"Incident Management","optional":false},{"name":"Istio","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Service Mesh","optional":false},{"name":"TCP/IP","optional":false},{"name":"Apache Kafka","optional":true},{"name":"eBPF","optional":true},{"name":"Grafana","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"Prometheus","optional":true},{"name":"Zero Trust","optional":true}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-14T14:14:47Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"At eBay, we're more than a global ecommerce leader - we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.\nOur customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the future of our customers, our company, and our planet.\nJoin a team of passionate thinkers, innovators, and dreamers - and help us connect people and build communities to create economic opportunity for all.\nShape the Future of Cloud Security\nAt eBay, Cloud Security protects one of the world’s largest commerce ecosystems. Our Segmentation platform secures thousands of services, workloads, and databases across multiple Kubernetes clusters, cloud providers, and data centers.\nWe’re looking for an experienced systems engineer who combines deep expertise in networking, distributed systems, and cloud-native platforms with an AI-first engineering mindset. You’ll build the next generation of intelligent security infrastructure while using AI to accelerate development, automate operations, improve reliability, and solve complex engineering problems at scale.\nWhat You’ll Do\nDesign, build, and operate highly scalable distributed services that enforce network segmentation and security policies across Kubernetes clusters, clouds, and data centers.\nDevelop control plane services, Kubernetes controllers, and automation that manage policy lifecycle, workload identity, and secure service-to-service communication.\nBuild and integrate with cloud-native networking technologies including Kubernetes, CNI, service mesh, Linux networking, and SDN platforms.\nDeliver production-ready software using modern engineering practices including automated testing, CI/CD, observability, and AI-assisted software development.\nLead troubleshooting of complex production issues involving distributed systems, Kubernetes, networking, and cloud infrastructure, driving root-cause analysis and long-term improvements.\nBalance security, scalability, reliability, and developer experience while making architecture and design decisions.\nMentor engineers through technical leadership, design reviews, code reviews, and engineering best practices.\nDrive engineering productivity by identifying opportunities to automate workflows and responsibly integrate AI throughout the software development lifecycle.\nRequired Qualifications\n5+ years of experience building large-scale backend or distributed systems.\nStrong proficiency in Go (preferred), Java, Python, or C++.\nStrong foundation in distributed systems, networking, Linux, operating systems, data structures, and algorithms.\nHands-on experience with Kubernetes, controllers/operators (client-go), CRDs, and cloud-native architectures.\nDeep understanding of networking concepts including TCP/IP, routing, DNS, load balancing, network namespaces, iptables/nftables, BGP, VXLAN, and container networking.\nExperience with cloud networking, SDN/CNI technologies (Calico, Cilium, Istio, Envoy, or equivalent).\nExperience building and operating production services with CI/CD, observability, monitoring, and incident management.\nStrong debugging skills across distributed systems, Kubernetes, Linux, and networking stacks.\nExperience using AI-powered engineering tools to improve software development, testing, troubleshooting, documentation, and operational efficiency.\nExcellent communication skills with the ability to influence technical direction across teams.\nPreferred Qualifications\neBPF and Linux kernel networking\nService Mesh (Istio, Envoy)\nZero Trust, micro-segmentation, workload identity, or policy-based security platforms\nOPA/Gatekeeper, OpenFGA, SPIFFE/SPIRE, or similar identity and authorization technologies\nOpenTelemetry, Prometheus, Grafana\nEvent-driven architectures (Kafka, Pub/Sub, SQS)\nMulti-cluster Kubernetes platforms and control planes\nWhat We’re Looking For\nYou are a systems engineer who enjoys solving complex infrastructure and networking challenges at scale. You combine strong engineering fundamentals with curiosity, ownership, and continuous learning. You embrace AI as an engineering accelerator-using it to automate repetitive work, improve software quality, strengthen operational excellence, and increase engineering productivity-while applying sound technical judgment and maintaining the highest standards of security and reliability.\nWhy Join eBay Cloud Security\nYou’ll build the platform that secures one of the world’s largest commerce infrastructures while helping define the future of AI-enabled cloud security engineering. You’ll influence technical direction, mentor engineers, solve challenging distributed systems problems, and deliver platforms that protect millions of customers every day.\nAdditional Details\neBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at . We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.\nWe use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. 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