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Consulting/Principal Software Engineer

BehavioSec

BehavioSec

Software Engineering
United Kingdom · Southampton, UK
Posted on Nov 20, 2025

Principal Software Engineer

Do you want be part of a collaborative team?

Are you a strategic thinker?

About Cirium:
Cirium is transforming the way the world understands aviation data. We connect the industry through innovative analytics, helping airlines, airports, travel companies, tech giants, manufacturers, and financial institutions accelerate their digital transformation. Join us to shape the future of aviation.

About the Team:
You’ll join a collaborative, curious team of professionals at all levels. We value diverse perspectives and encourage ownership in solving challenges end-to-end.

About the role:
As a member of our Team, you’ll contribute to building, maintaining, and supporting our infrastructure and applications. You’ll work with talented colleagues, communicate effectively, and champion engineering excellence.

Responsibilities:

  • Deliver resilient solutions using DevOps practices and “Infrastructure as Code”
  • Diagnose and resolve complex technical issues
  • Lead and influence the design and delivery of scalable, resilient data platform services.
  • Collaborate across teams to drive innovation and continuous improvement
  • Uphold our commitment to accessibility, inclusion, and data-driven decision-making

Requirements:

  • Experience of Cloud Platforms (AWS), Infrastructure as code, MLOps, and Python (or similar technologies), along with monitoring and observability.
  • Ability to communicate clearly and respectfully with diverse audiences
  • Commitment to learning and adapting in a dynamic environment
  • Experience mentoring and developing engineering talent.
  • Passion for building inclusive, high-performing teams.
  • Willingness to attend our Southampton office 2 days per week (reasonable accommodations available)
  • Experience with data platforms, distributed systems, and data pipelines in cloud-native environments.

Working for you:

We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

  • Generous holiday allowance with the option to buy additional days
  • Health screening, eye care vouchers and private medical benefits
  • Wellbeing programs
  • Life assurance
  • Access to a competitive contributory pension scheme
  • Save As You Earn share option scheme
  • Travel Season ticket loan
  • Electric Vehicle Scheme
  • Optional Dental Insurance
  • Maternity, paternity and shared parental leave
  • Employee Assistance Programme
  • Access to emergency care for both the elderly and children
  • RECARES days, giving you time to support the charities and causes that matter to you
  • Access to employee resource groups with dedicated time to volunteer
  • Access to extensive learning and development resources
  • Access to employee discounts scheme via Perks at Work

Learn more about the LexisNexis Risk team and how we work here





 


 











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