{"id":2984218,"url":"https://alion.io/job/enphase-energy-engineer-processor-verification-and-compiler-validation","title":"Engineer – Processor Verification and Compiler Validation","company":{"id":58551,"name":"Enphase Energy","domain":"enphase.com","url":"https://alion.io/company/enphase-energy","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jobvite","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fremont, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":85000,"max":129000,"currency":"USD","period":"year","gross":null,"usd_annual":129000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false},{"name":"SystemVerilog","optional":false},{"name":"Formal Verification","optional":true}],"status":"live","first_seen_at":"2026-10-21T08:14:47Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-24T08:27:06Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Description\nEnphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries. \nJoin our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!\nAbout the role\nEnphase is looking for a Verification Engineer to help validate a custom RISC-V VLIW processor architecture that powers next-generation digital control systems for energy conversion products. You will be responsible for ensuring deterministic and correct operation across the entire compute stack, including custom hardware pipelines, proprietary instruction set extensions, compiler-generated execution schedules, and closed-loop control applications.\nThis role is ideal for an engineer who thrives at the intersection of processor architecture, hardware verification, compiler technology, and control systems. You will work closely with architecture, RTL, verification, compiler, firmware, and control algorithm engineers to develop comprehensive verification methodologies that ensure safety-critical control loops execute with predictable timing and flawless functional correctness.\nAs part of this role, you will also contribute to system-level mixed-signal verification environments that combine RTL simulation, real-number modeling, power stage models, and analog simulation platforms to validate real-world control-loop behavior.\nWhat you will do\nDevelop and execute verification strategies for a custom RISC-V VLIW processor architecture and associated instruction set extensions. \nCreate and maintain SystemVerilog-based verification environments, assertions, checkers, scoreboards, coverage models, and regression infrastructure. \nVerify pipeline correctness, instruction scheduling behavior, memory subsystem interactions, exception handling, and architectural compliance. \nDevelop trace-based validation methodologies to ensure deterministic execution timing for real-time control applications. \nAnalyze execution traces, instruction schedules, waveform data, and performance metrics to identify root causes of hardware or compiler issues. \nCollaborate with compiler engineers to validate code generation, instruction scheduling, optimization behavior, and ISA feature utilization. \nDrive hardware/software co-verification efforts spanning RTL, compiler toolchains, firmware, and system-level applications. \nContribute to mixed-signal verification environments integrating: \nRTL simulation \nSystemVerilog Real Number Modeling (RNM) \nAnalog simulation platforms such as NL5 \nC/C++ models of power conversion stages and plant models \nPython-based analysis and automation frameworks \nValidate closed-loop control behavior, timing determinism, fault handling, and system-level interactions between digital control algorithms and analog power stages. \nSupport verification automation, regression analysis, debug tooling, and continuous improvement of verification methodologies. \nDocument verification strategies, debug findings, and architectural insights to support long-term product quality and organizational knowledge sharing. \nWho you are and what you bring\nBachelor's or Master's degree in electrical engineering, computer engineering, or a related field.\nStrong understanding of processor architecture, pipelined microarchitectures, instruction execution, and computer architecture fundamentals. \nExperience developing verification environments using SystemVerilog and industry-standard verification methodologies. \nStrong debugging and root-cause analysis skills involving complex hardware and software interactions. \nExperience analyzing instruction traces, execution timing, and architectural behavior. \nProficiency in Python or similar scripting languages for automation, analysis, and verification infrastructure. \nFamiliarity with RTL design, simulation, synthesis, and verification workflows. \nStrong written and verbal communication skills with the ability to collaborate across architecture, compiler, firmware, and hardware teams. \nDemonstrated ability to solve technically challenging problems through data-driven analysis and systematic debugging. \nNice to have attributes\nExperience with RISC-V processors and ecosystem tools. \nExperience with VLIW architectures, superscalar processors, or instruction scheduling concepts. \nUnderstanding of compiler internals, code generation, optimization techniques, and scheduling algorithms. \nExperience validating custom instruction set extensions. \nFamiliarity with deterministic real-time systems and safety-critical embedded applications. \nExposure to functional safety standards and methodologies. \nExperience with SystemVerilog Real Number Modeling (RNM) and mixed-signal verification. \nExperience integrating RTL simulation with analog simulators and behavioral system models. \nKnowledge of digital control systems, feedback control theory, power electronics, or power conversion systems. \nExperience implementing C/C++ reference models and architectural golden models. \nFamiliarity with coverage-driven verification, formal verification, or constrained-random methodologies. \nExperience building infrastructure for trace analysis, automated triage, and large-scale regression management. \nPay and Benefits\nThe base pay range for this position is $85,000 to $129,000. This salary range may be modified in the future. The successful candidate’s starting pay will be determined based on relevant skills, experience, education or training, work location, and market conditions. This position is also eligible for generous stock, bonus, and benefits.","description_format":"text","description_chars":5998,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Solar Energy"],"lifecycle":[{"event":"open","at":"2026-10-21T08:14:47Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 24 · green card filings: 1","filings_12m":24,"filings_prev_12m":14,"green_card_filings_12m":1,"median_offered_wage_usd":141500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+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":9}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":26,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":129000,"is_top_pay":false},"html_url":"https://alion.io/job/enphase-energy-engineer-processor-verification-and-compiler-validation","json_url":"https://alion.io/job/enphase-energy-engineer-processor-verification-and-compiler-validation.json","meta":{"generated_at":"2026-10-24T10:52:40Z","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":15475,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":58551},"rest":"https://alion.io/mcp/rest/get_company?id=58551"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fenphase-energy-engineer-processor-verification-and-compiler-validation"},{"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%2Fenphase-energy-engineer-processor-verification-and-compiler-validation"},{"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%2Fenphase-energy-engineer-processor-verification-and-compiler-validation"},{"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/enphase-energy-engineer-processor-verification-and-compiler-validation\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fenphase-energy-engineer-processor-verification-and-compiler-validation"}]}