{"id":2070433,"url":"https://alion.io/job/zscaler-principal-software-development-engineer-microservices-2","title":"Principal Software Development Engineer (Microservices)","company":{"id":1208,"name":"Zscaler","domain":"zscaler.com","url":"https://alion.io/company/zscaler","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":54,"ghost_share":0.019,"stale_share":0.556,"repost_share":0.056,"time_to_fill_p50_days":46,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Santa Clara, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":185500,"max":265000,"currency":"USD","period":"year","gross":null,"usd_annual":265000},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon Aurora","optional":false},{"name":"Amazon EKS","optional":false},{"name":"Apache Kafka","optional":false},{"name":"ArgoCD","optional":false},{"name":"AWS","optional":false},{"name":"Cassandra","optional":false},{"name":"Docker","optional":false},{"name":"DynamoDB","optional":false},{"name":"GitOps","optional":false},{"name":"Incident Management","optional":false},{"name":"Istio","optional":false},{"name":"Jaeger","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linkerd","optional":false},{"name":"MySQL","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Progressive Delivery","optional":false},{"name":"Prometheus","optional":false},{"name":"RabbitMQ","optional":false},{"name":"SBOM","optional":false},{"name":"Service Mesh","optional":false},{"name":"SLI/SLO/SLA","optional":false},{"name":"SLSA","optional":false},{"name":"SQL","optional":false},{"name":"Zero Trust","optional":false},{"name":"Zscaler","optional":false},{"name":"Chaos Engineering","optional":true}],"status":"live","first_seen_at":"2026-10-08T06:18:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-12T05:04:11Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.\nWe believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.\nRole\nWe are looking for a Principal Software Development Engineer (Microservices) to join our team. This is a hybrid role (in Santa Clara, CA office, minimum 3 days per week), reporting to the Senior Director, Software Development Engineering in the Engineering ZIA Core department. You will work on the control plane for the Zscaler Internet Access (ZIA) product, helping evolve the platform to meet massive scale with cloud-native, microservices-based architecture.\nWhat you’ll do (Role Expectations)\nLead the technical roadmap to modernize the ZIA control plane using API-first, domain-aligned microservices with clear service ownership and multi-region architectures (active-active, failover, disaster recovery)\nDesign, develop, and operate low-latency, event-driven services end to end (API through storage) utilizing resilience patterns, progressive delivery (blue/green, canary, feature flags), GitOps workflows (Argo CD/Flux), and safe rollout/rollback strategies\nDrive engineering excellence through standards, code reviews, testing, paved-road patterns, API and event contract governance (versioning, consumer-driven contracts, schema registry, DLQs), and cross-functional partnerships across Product, SRE, Security, Data, and Architecture while representing designs in customer/partner forums\nOwn service reliability and operability end to end, including SLI/SLOs (p95/p99 latency, availability), SLO-based alerting, error budgets, incident response, postmortems, and advanced observability with distributed tracing (OpenTelemetry, Jaeger/Tempo) and structured logging\nEmbed microservices security (OAuth2/OIDC, mTLS, service-to-service authZ, KMS/Vault), supply-chain integrity (SBOM, SLSA), performance optimization, capacity planning, and cloud spend/autoscaling across AWS primitives\nWho You Are (Success Profile)\nYou thrive in ambiguity and are comfortable building the path as you walk it, viewing unstructured environments as raw material to build something meaningful.\nYou act like an owner with a passion for the mission, operating with integrity, a bias for action, and the agility to navigate between high-level strategy and hands-on execution.\nYou are a problem-solver who is energized by complex technical challenges and driven to deliver high-impact solutions.\nYou are a high-trust collaborator who builds strong team relationships, embracing continuous feedback, candor, and respect to earn trust and achieve shared goals.\nYou are a learner with a growth mindset, constantly seeking feedback and developing your skills with purpose to become a stronger teammate.\nWhat We’re Looking for (Minimum Qualifications)\nFoundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain\n12+ years in software development with 4+ years building and operating production microservices at significant scale, including proficiency in Go\nDeep experience with distributed systems and messaging (Kafka preferred; SQS/RabbitMQ acceptable), alongside patterns such as CQRS and Event Sourcing where fit-for-purpose\nKubernetes in AWS at scale (EKS preferred), strong Docker fundamentals, Infrastructure-as-Code, and GitOps workflows\nStrong SQL (PostgreSQL/MySQL/Amazon RDS/Aurora) and NoSQL (Cassandra/MongoDB/DynamoDB) design and scaling with familiarity with multi-region data trade-offs, alongside performance engineering and cost optimization in AWS\nComprehensive reliability and security experience including SLIs/SLOs, error budgets, metrics (Prometheus), tracing (OpenTelemetry), SLO-based alerting, incident management, postmortems, service mesh (Istio/Linkerd), mTLS, OAuth2/OIDC, and secrets management (KMS/Vault)\nWhat Will Make You Stand Out (Preferred Qualifications)\nProven ability to leverage AI technologies and workflows to drive measurable operational efficiency\nChaos engineering, advanced load/performance testing, fault injection, and disaster recovery drills combined with multi-region design expertise (active-active, partitioning, replication, eventual consistency) and migration leadership (strangler patterns, domain decomposition)\nEvent contract governance (Avro/Protobuf with schema registry), DLQ processing strategies, and data replay tooling\nOSS contributions, technical talks, patents, or published design writing\n#LI-KM #LI-Hybrid\nZscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.\nThe base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.\nBase Pay Range\n$185,500—$265,000 USD\nAt Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.\nOur Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:\nVarious health plans\nTime off plans for vacation and sick time\nParental leave options\nRetirement options\nEducation reimbursement\nIn-office perks, and more!\nLearn more about Zscaler's hybrid working model and benefits here.\nBy applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.\nZscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.\nPay Transparency\nZscaler complies with all applicable federal, state, and local pay transparency rules.\nZscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.","description_format":"text","description_chars":7974,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Hybrid work","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Technology","Cloud Security","IoT Platforms & Solutions"],"lifecycle":[{"event":"open","at":"2026-10-08T06:25:19Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 154 · green card filings: 48","filings_12m":154,"filings_prev_12m":180,"green_card_filings_12m":48,"median_offered_wage_usd":192500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":111}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":4,"expected_fill_days":46,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-12T06:55:09Z"},"pay":{"stated_usd_annual":265000,"is_top_pay":true},"html_url":"https://alion.io/job/zscaler-principal-software-development-engineer-microservices-2","json_url":"https://alion.io/job/zscaler-principal-software-development-engineer-microservices-2.json","meta":{"generated_at":"2026-10-12T07:29:54Z","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":12010,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":1208},"rest":"https://alion.io/mcp/rest/get_company?id=1208"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fzscaler-principal-software-development-engineer-microservices-2"},{"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%2Fzscaler-principal-software-development-engineer-microservices-2"},{"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%2Fzscaler-principal-software-development-engineer-microservices-2"},{"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/zscaler-principal-software-development-engineer-microservices-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fzscaler-principal-software-development-engineer-microservices-2"}]}