{"id":159105,"url":"https://alion.io/job/walmart-principal-software-engineer-servicemesh","title":"Principal Software Engineer - Servicemesh","company":{"id":236,"name":"Walmart","domain":"walmart.com","url":"https://alion.io/company/walmart","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":321,"ghost_share":0,"stale_share":0.093,"repost_share":0.003,"time_to_fill_p50_days":5,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":21000,"max_usd":48000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":13,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Consul","optional":false},{"name":"DNS","optional":false},{"name":"Envoy","optional":false},{"name":"GitOps","optional":false},{"name":"Go","optional":false},{"name":"Helm","optional":false},{"name":"Istio","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Kustomize","optional":false},{"name":"Linkerd","optional":false},{"name":"Python","optional":false},{"name":"Scala","optional":false},{"name":"Service Mesh","optional":false},{"name":"Terraform","optional":false},{"name":"WebAssembly","optional":false},{"name":"Zero Trust","optional":false},{"name":"Grafana","optional":true},{"name":"Least Privilege","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"Prometheus","optional":true}],"status":"live","first_seen_at":"2026-08-29T01:29:34Z","employer_posted_date":null,"last_verified_at":"2026-08-29T01:29:34Z","board_verified":false,"closed_at":null,"days_open":50,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":50},"description":"Responsibilities:\nLead the technical strategy and architecture for the service mesh platform (e. g., Istio or equivalent) across multi-cluster, multi-environment deployments.\nDrive design and implementation of traffic management, resiliency patterns, and secure service-to-service communication (mTLS, authZ/authN, policy).\nBuild and evolve platform capabilities for onboarding services at scale (templates, golden paths, automation, self-service workflows).\nPartner with application, SRE, security, and network teams to define standards for service connectivity, identity, and zero-trust posture.\nOwn performance, reliability, and scalability goals for the mesh control/data plane; define SLOs/SLIs and operational runbooks.\nEstablish observability standards (metrics, logs, traces) and enable end-to-end visibility across services and clusters.\nProvide hands-on technical leadership for incident response, root cause analysis, and long-term remediation.\nEvaluate and introduce new mesh capabilities (ambient/service-less patterns, gateways, WASM/extensibility, multi-tenancy) with clear ROI.\nMentor senior engineers, raise engineering rigour (design reviews, technical docs, testing strategy), and influence org-wide adoption.\nRepresent the team in architecture forums; communicate trade-offs and align stakeholders on platform roadmaps.\nRequirements:\n13-18 years of industry experience building and operating large-scale distributed systems and platforms.\nDeep expertise in Kubernetes/container orchestration (cluster architecture, networking, upgrades, multi-cluster, RBAC, admission, controllers/operators).\nStrong hands-on experience with service mesh technologies (Istio preferred; Linkerd/Consul/App Mesh acceptable), including: Traffic management (routing, retries/timeouts, circuit breaking). Security (mTLS, cert management, identity, policy). Gateways/ingress/egress patterns and service discovery. Control plane operations and upgrade strategies.\nStrong understanding of cloud-native networking (CNI, Envoy/L7 proxies, DNS, east-west traffic, gateways, load balancing).\nProven track record of designing for reliability and scale: SRE principles, SLOs, capacity planning, and failure-mode analysis.\nExperience building platform tooling and automation (GitOps, CI/CD, Helm/Kustomize, Terraform or similar IaC).\nProficiency in at least one systems language (Go preferred; Java/Scala/Python acceptable) and experience building operators/controllers is a plus.\nDeep observability experience (Prometheus/Grafana, OpenTelemetry, distributed tracing) and ability to translate telemetry into action.\nStrong security mindset (zero trust, least privilege, secret management) and experience partnering with security/compliance teams.\nExcellent communication skills, able to drive alignment across engineering orgs and influence without authority.","description_format":"text","description_chars":2847,"description_truncated":false,"requirements":{"experience_years_min":13,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce"],"lifecycle":[{"event":"open","at":"2026-08-29T01:29:34Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":0.4,"p_active":0.245,"p_room":0.28,"age_days":49,"expected_fill_days":5,"reasons":["seen:49","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/walmart-principal-software-engineer-servicemesh","json_url":"https://alion.io/job/walmart-principal-software-engineer-servicemesh.json","meta":{"generated_at":"2026-10-18T08:22:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12574,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":236},"rest":"https://alion.io/mcp/rest/get_company?id=236"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwalmart-principal-software-engineer-servicemesh"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fwalmart-principal-software-engineer-servicemesh"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fwalmart-principal-software-engineer-servicemesh"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/walmart-principal-software-engineer-servicemesh\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwalmart-principal-software-engineer-servicemesh"}]}