On 15 December 2016 at 23:23, Peter Sewell wrote: > [please circulate this to any likely candidates - thanks, Peter] > > Research Associate/Senior Research Associate in Applied Semantics for > Production Architectures > Updating this: the likellihood of new funding means we may be able to make several appointments, to build a really strong team. Closing date 24 Jan, as before. Peter > > University of Cambridge Computer Laboratory > Research Associate £29,301 - £38,183 or Senior Research Associate £39,324 > - 49,772 > Fixed-term: until February 28, 2019, when the grant funding the post > currently ends. > Details: http://www.jobs.cam.ac.uk/job/12397/ > > > Do you want to help build mathematically rigorous foundations for > real-world computing, to make it more robust and secure? > > We have an ongoing project to establish rigorous semantic models for > production multiprocessors, to provide a clear basis for programming, > software verification, and hardware verification. This involves long-term > close collaborations with ARM and IBM, and we have an agreement with ARM to > take their internal ISA description, build a mathematical model based on > it, integrate it with the concurrency semantics we are developing, and > release the whole in a form usable for verification. This will provide the > first strongly validated public model for a production multiprocessor > architecture. We also have a close collaboration with the CHERI research > project, developing processors with hardware-accelerated in-process memory > protection and sandboxing, together with an open-source operating system > and toolchain based on FreeBSD and Clang/LLVM; formal modelling is at the > heart of the CHERI design process. For more details, see some of our > previous papers: > POPL17 (http://www.cl.cam.ac.uk/~pes20/popl17/mixed-size.pdf), POPL16 ( > http://www.cl.cam.ac.uk/~pes20/popl16-armv8/top.pdf), MICRO 2015 ( > http://www.cl.cam.ac.uk/~pes20/micro-48-2015.pdf), PLDI11 ( > http://www.cl.cam.ac.uk/~pes20/ppc-supplemental/pldi105-sarkar.pdf), > CHERI ISA spec (http://www.cl.cam.ac.uk/techreports/UCAM-CL-TR-891.html), > CHERI (https://www.cl.cam.ac.uk/research/security/ctsrd/cheri/), REMS ( > http://rems.io). > > We have a position available to work on: > > - the development of our Sail metalanguage for ISA description: a language > with a lightweight dependent type system, designed to capture ARM, IBM > POWER, and CHERI instruction semantics in an engineer-friendly way; > - translation from Sail to generate efficient emulators and usable > theorem-prover definitions; > - mechanised proof about the architecture definitions, e.g. of security > properties, relationships between concurrency models, and correctness > results for high-level language concurrency compilation; and/or > - development of reasoning, symbolic execution, debugging, and/or > model-checking tools above the architecture definitions - the initial work > should generate many opportunities along these lines. > > The successful candidate must have a PhD (or equivalent experience), a > track-record of publication in relevant areas of Computer Science, good > knowledge of English and communication skills, and the expertise and > commitment to apply rigorous semantics to real systems. We're looking for > people with the skills to make solid models and tools, well-engineered and > widely usable. You should have expertise in one or more of: > > - functional programming (e.g. OCaml) > - programming language semantics and type systems > - theorem provers, especially Isabelle and/or Coq > - symbolic execution > - model-checking > > For senior applicants, e.g. who will be able to contribute substantially > to future grant applications, it may be possible to appoint at the Senior > Research Associate level. > > This is part of the broader REMS (Rigorous Engineering for Mainstream > Systems) programme grant: a lively collaboration between systems and > semantics researchers in Cambridge, Imperial, and Edinburgh to scale up and > apply mathematically rigorous semantics to mainstream systems. > > Informal enquiries should be directed to Peter Sewell ( > Peter.Sewell@cl.cam.ac.uk). > > To apply online for this vacancy, please click on the 'Apply' button > below. This will route you to the University's Web Recruitment System, > where you will need to register an account (if you have not already) and > log in before completing the online application form. > > Please ensure you upload your Curriculum Vitae (CV) and a cover letter > explaining your potential contribution to the project, as pdf documents. > Include the names of 2 or 3 referees at the appropriate point in the online > application. Your referees should be prepared to send references within a > week of the closing date, if asked by the University. If you upload any > additional documents which have not been requested, we will not be able to > consider these as part of your application. > > Please quote reference NR10978 on your application and in any > correspondence about this vacancy. > > The University values diversity and is committed to equality of > opportunity. > > The University has a responsibility to ensure that all employees are > eligible to live and work in the UK. > >