Senior Verification Engineer, LSU and Data Cache

Job Description

Our partner is looking for a Senior Verification Engineer to own verification of the Load/Store Unit, data cache and related bus interfaces within a processor core.

The role covers memory ordering, cache and TLB interaction, address generation, forwarding, speculative execution, vector accesses, exceptions and pipeline hazards. You will own the verification scope from planning through sign off, working closely with architecture, RTL and other verification teams.

Location: Barcelona, Spain, Hybrid
Level: Senior

Responsibilities

• Own the LSU verification plan, test strategy and closure criteria

• Build and extend UVM testbench components, including drivers, monitors, scoreboards and memory models

• Develop directed and constrained random tests

• Verify store to load forwarding and memory ordering

• Verify speculative loads and vector memory accesses

• Cover misaligned and split accesses, exceptions and faults

• Verify cache, TLB and load/store pipeline interactions

• Drive functional and code coverage closure

• Manage regressions and analyze verification results

• Apply formal verification to ordering or coherency properties where required

• Debug RTL and testbench failures and drive root cause analysis

• Resolve cross unit verification issues with architecture and design teams

• Review verification code and mentor junior engineers

Requirements

• 5+ years of ASIC functional verification experience

• Strong SystemVerilog and UVM

• Hands on testbench architecture experience

• Deep understanding of LSU, caches, TLBs and memory subsystems

• Strong knowledge of memory consistency and load/store pipelines

• RISC V ISA and privileged specification

• AXI4, AXI5 Lite and CHI

• Coverage driven verification

• Functional and code coverage closure

• Regression management

• Strong RTL debugging skills

• Verdi, DVE or similar waveform tools

• BS or MS in Electrical Engineering, Computer Engineering, Computer Science or related field

Optional / Desired

• Formal verification using JasperGold or similar

• CPU architecture and memory execution pipeline experience

• Prior LSU, cache or memory controller verification

• RISC V, ARM or x86 memory models

• Python or Perl scripting

• Technical mentoring experience

• Veloce or ZeBu

• AFL++ or other fuzzing techniques

• SystemC or C++ testbenches

What’s in it for you?

• Flexible working hours

• Hybrid model, 4 days office, 1 day from home

• 1 week per year working from anywhere

• 25 days annual leave plus December 24 and 31

• Monthly food allowance

• Private medical insurance

• Relocation bonus

• Housing search support

• Visa support if required

• Family relocation support

• Virtual shares

• Language classes

• Tax incentive, subject to eligibility