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Red Team Operator (Cyber Resilience)
Starling
Building sustainable, high-quality living spaces with a focus on design and innovation.
Responsible for designing and executing red team operations and cyber resilience testing against Starling Bank to proactively identify vulnerabilities within their systems and digital infrastructure.
Identifying complex vulnerabilities and building exploits
Assist developing threat models and ‘worst case scenario’ playbooks based on emerging global risks, including APTs, insider threats and supply chain compromise and simulate real-world scenario to evaluate system and organisational resilience
Developing and documenting reusable attack components using realistic TTPs
Facilitate the identification of vulnerabilities, improvements to defence strategies and aid recovery process validation
Assist cyber resilience technical testing initiatives to assess the Bank’s ability to withstand and recover from cyber attacks and system disruptions, including technical simulations and controlled attack scenarios (e.g. ransomware, DDoS, data corruption) to evaluate resilience, incident response capabilities, back up integrity, failover procedures and recovery time objectives.
Analyse test results, validate breach scenarios, document findings and provide actionable recommendations to enhance Starling’s overall cyber resilience posture
Assist in translating red team tactics into actionable intelligence for blue team operations
Conducting purple team exercises to validate and improve defensive measures by collaborating with the SOC team to enhance detection capabilities
Support designing and executing red team operations against Starling Bank (including all scoping, planning, payload/infrastructure development, , execution, reporting and workshops)
What you bring
cloud security
ai/ml
red team
ci/cd
java/kotlin
certifications
Experience of working in a red team and understanding of the benefits and pitfalls of different adversarial techniques
Experience and enthusiasm for blogging and speaking both internally to educate our staff and potentially externally
Prior experience in incident response, threat intelligence, or ethical hacking at an enterprise level
Familiarity with modern software engineering paradigms (CI/CD, Infra as Code)
Software engineering expertise (Java, Kotlin, Go…) or reverse engineering expertise
Experience in Ai/Ml Systems Security, Including LLMs, transformers and model interpretability
Certification such as OSCE, CCT, OSEP, OSMR or similar
Stage 3 - 45 min final with two executives
Experience conducting security testing against cloud environments (AWS, GCP, Azure)
Sound network and operating system fundamentals (MacOS, Linux and Windows)
Background in regulatory environments (e.g. ISO 27001, SOCII, GDPR or AI Act compliance)
Ability to work to define rules of engagement and to show strong discipline and steady judgement, working both independently or as part of a team
Familiarity with the cyber risks faced by Starling Bank and other financial institutions
Benefits
Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing
Life insurance at 4x your salary & group income protection
33 days holiday (including public holidays, which you can take when it works best for you)
Salary sacrifice, company enhanced pension scheme
Stage 2 - 60 mins technical interview with two team members
Stage 1 - 45 mins with one of the team
Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off
16 hours paid volunteering time a year
Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton
Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks
An extra day’s holiday for your birthday
Generous family-friendly policies
Incentives refer a friend scheme
Training + Development
Information not given or found
Interview process
45 mins interview with one of the team
60 mins technical interview with two team members
45 min final with two executives
Visa Sponsorship
Information not given or found
Security clearance
candidate's personal data may be processed for recruiting and related purposes
Founded with a vision to create sustainable and high-quality living spaces.
Focused on delivering design-driven projects that meet the evolving needs of modern communities.
Has worked on residential developments that prioritize both aesthetic appeal and functionality.
Specializes in integrating innovative design solutions to build homes that harmonize with their surroundings.
Has a track record of delivering complex residential projects on time and within budget.
Committed to high standards of craftsmanship and materials to ensure longevity and comfort.
Projects reflect a deep understanding of community and environmental dynamics.
Culture + Values
Supportive: Empowering and nurturing all levels of our team to act as leaders and achieve our high standard of excellence in everything they do.
Truthful: A strident commitment to honesty, safety, and being transparent with our staff, residents, and their families.
Accountable: Unwavering responsibility to honor our commitments by being resilient, responsive, and reliable to everyone we serve, lead, and support.
Respectful: A sincere commitment to treating others with courtesy, kindness, and politeness.
Environment + Sustainability
Net Zero By 2050
Climate Goal
The company is committed to achieving net-zero emissions by 2050.
33% Emissions Cut
Reduction Target
Aims to reduce emissions from operations and supply chain by one-third by 2030.
95% Recycled Cards
Sustainable Products
Debit cards are made from 95% recycled plastic, promoting environmental sustainability.
Digital Model Since 2017
Sustainable Operations
Operates a branchless and paperless business model since 2017, minimizing paper and energy use through digital-first operations.
Offset remaining operational and supply‑chain emissions annually via carbon credits supporting projects like reforestation, improved cooking stoves, and renewable energy.
Packaging is 100% recyclable with water‑based glue.
Active partnerships: funding 100,000 trees planted (with Trillion Trees); working with National Trust on conservation; founder member of TechZero; member of Partnership for Carbon Accounting Financials.
Inclusion & Diversity
72% satisfaction
Employee satisfaction rate
Employees express high satisfaction with their workplace environment.
94% impact
Employee impact perception
Employees feel they are making a meaningful contribution to the company.
92% purpose
Work meaningfulness
Employees find their work to have significant personal meaning.
86% pride/authenticity
Employee pride and authenticity
Employees feel proud of their accomplishments and able to be themselves at work.
Employee tenure varies, with a mix of short- and long-term commitment (specific averages not provided).
Starling focuses on identifying and developing leaders who share its values, emphasizing passion over experience.
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