Software Engineer - Core Technology

Application Process \& Requirements:

Interview Process

• Technical roles: Our technical roles' process includes submitting a CV and short written statement, 1\-2 skills assessments such as technical interviews and take\-home coding tests and 2\-4 interviews, including a conversation with leadership. We tailor this process as needed for each role and candidate. If you're applying to our technical roles, this privacy policy applies.


• Non\-technical roles: Our non\-technical roles' process includes submitting a CV, 2\-4 interviews including a conversation with leadership and sometimes presentation or take\-home task assessments. While our interviews follow civil service requirements, we do not require answering in STAR or other rigid formats. We recommend preparing to speak about your past career experience and how you would approach problems you would face in your AISI role.

Nationality Requirements \& Visas

• Technical roles: we can hire almost all nationalities and sponsor visas.


• Non\-technical roles: you must meet civil service nationality requirements (by having Commonwealth citizenship, indefinite leave to remain, EU settled status, or meeting some other criteria).

National Security Vetting

• Requirements vary by role and not all roles require vetting; check each job ad.


• Counter Terrorism Check (CTC) and Security Clearance (SC) vettings usually require 2\+ years of recent UK residency. Developed Vetting (DV) clearances usually require 10\+ years.

Technical Salaries

• On technical job ads, you'll see our total packages include a "base salary" and a "technical talent allowance". This is civil service terminology. The technical talent allowance is part of your total salary and paychecks; there are no restrictions on how you spend it.

About the AI Security Institute
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The AI Security Institute is the world's largest and best\-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government with direct lines to No. 10 (the Prime Minister's office), and we work with frontier developers and governments globally.

We’re here because governments are critical for advanced AI going well, and UK AISI is uniquely positioned to mobilise them. With our resources, unique agility and international influence, this is the best place to shape both AI development and government action.

Role Description
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The AI Security Institute's Research Unit is looking for motivated and talented Software Engineers to join AISI's Core Technology Team. We are looking for exceptional candidates at all experience levels, from junior through to senior or staff, to work in small teams on a range of critical research\-oriented software and infrastructure.

In this role, you’ll work with cutting\-edge technologies on research problems with real\-world impact, and receive mentorship and coaching from your manager and the technical leads on your team. You'll also regularly interact with world\-famous researchers and other incredible staff (including alumni from Anthropic, DeepMind, OpenAI, Google, Apple, and professors from Oxford and Cambridge).

About our Core Technology Team

AISI Core Technology Team comprises several teams building tools and infrastructure used across all of our research work. This includes projects like Inspect (our open\-source evaluation framework), systems for running evaluations at scale, and hosting frontier open\-weights models for evaluations or human studies.

As a software engineer on one of these teams, you might:

• Add a feature to one of our “sandbox plugins” for Inspect, supporting advanced agentic evals with safe mechanisms to let models write and execute arbitrary code


• Implement support for a new class of open\-weights model on our model hosting platform


• Support a research team with designing custom infrastructure for a new research project


• Collaborate with the open\-source community on a feature in Inspect or Inspect's plugin ecosystem


• Assist with an evaluation testing exercise of a frontier AI model, debugging issues that appear in Inspect from API changes in the lab's latest SDK

Person Specification

You may be a good fit if you have some of the following skills, experience and attitudes:

• Writing production quality code at fast pace.


• Designing, shipping, and maintaining complex tech products.


• Improving technical standards across a team, through mentoring and feedback.


• Strong written and verbal communication skills.


• Experience working with a world\-class research team comprised of both scientists and engineers (e.g. in a top\-3 lab).


• Python experience, including understanding the intricacies of the language, the good vs. bad Pythonic ways of doing things and much of the wider ecosystem/tooling.


• Experience building and maintaining systems on AWS or other cloud providers using infrastructure\-as\-code.

Motivated candidates are encouraged to apply even if you don't meet all the above criteria.

Required Experience

We select based on skills and experience regarding the following areas:

• Writing production quality code


• Writing code efficiently


• Python


• Written communication


• Verbal communication


• Teamwork


• Interpersonal skills


• Tackling challenging problems

Desired Experience

We additionally may factor in experience with particular areas like:

• Expertise in Cloud Infrastructure or Dev Ops (AWS, Azure, Kubernetes, Terraform, CDK, Docker, etc.)


• Cybersecurity expertise


• ML Ops (vLLM, agent frameworks, fine\-tuning, RAG systems, etc.)

What We Offer
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Impact you couldn't have anywhere else

• Incredibly talented, mission\-driven and supportive colleagues.


• Direct influence on how frontier AI is governed and deployed globally.


• Work with the Prime Minister’s AI Advisor and leading AI companies.


• Opportunity to shape the first \& best\-resourced public\-interest research team focused on AI security.

Resources \& access

• Pre\-release access to multiple frontier models and ample compute.


• Extensive operational support so you can focus on research and ship quickly.


• Work with experts across national security, policy, AI research and adjacent sciences.

Growth \& autonomy

• If you’re talented and driven, you’ll own important problems early.


• 5 days off and annual stipends for learning and development, and funding for conferences and external collaborations.


• Freedom to pursue research bets without product pressure.


• Opportunities to publish and collaborate externally.

Life \& family\*

• Modern central London office (cafes, food court, gym), or where applicable, option to work in similar government offices in Birmingham, Cardiff, Darlington, Edinburgh, Salford or Bristol.


• Hybrid working, flexibility for occasional remote work abroad and stipends for work\-from\-home equipment.


• At least 25 days’ annual leave, 8 public holidays, extra team\-wide breaks and 3 days off for volunteering.


• Generous paid parental leave (36 weeks of UK statutory leave shared between parents \+ 3 extra paid weeks \+ option for additional unpaid time).


• On top of your salary, we contribute 28\.97% of your base salary to your pension.


• Discounts and benefits for cycling to work, donations and retail/gyms.


• *These benefits apply to direct employees. Benefits may differ for individuals joining through other employment arrangements such as secondments.*

Salary
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Annual salary is benchmarked to role scope and relevant experience. Most offers land between £65,000 and £145,000 made up of a base salary plus a technical allowance (take\-home salary \= base \+ technical allowance). An additional 28\.97% employer pension contribution is paid on the base salary.

This role sits outside of the DDaT pay framework given the scope of this role requires in depth technical expertise in frontier AI safety, robustness and advanced AI architectures.

The full range of salaries are available below:

• Level 3: £65,000–£75,000 (Base £39,850 \+ Technical Allowance £25,150–£35,150\)


• Level 4: £85,000–£95,000 (Base £47,355 \+ Technical Allowance £37,645–£47,645\)


• Level 5: £105,000–£115,000 (Base £61,620 \+ Technical Allowance £43,380–£53,380\)


• Level 6: £125,000–£135,000 (Base £74,605 \+ Technical Allowance £50,395–£60,395\)


• Level 7: £145,000 (Base £74,605 \+ Technical Allowance £70,395\)

Additional Information

Use of AI in Applications

Artificial Intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance for more information on appropriate and inappropriate use.

Internal Fraud Database

The Internal Fraud function of the Fraud, Error, Debt and Grants Function at the Cabinet Office processes details of civil servants who have been dismissed for committing internal fraud, or who would have been dismissed had they not resigned. The Cabinet Office receives the details from participating government organisations of civil servants who have been dismissed, or who would have been dismissed had they not resigned, for internal fraud. In instances such as this, civil servants are then banned for 5 years from further employment in the civil service. The Cabinet Office then processes this data and discloses a limited dataset back to DLUHC as a participating government organisations. DLUHC then carry out the pre employment

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