ENSEK
Staff Site Reliability Engineer
United Kingdom
Posted about 17 hours ago
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About ENSEK
ENSEK builds the cloud-native SaaS software that’s transforming how energy retailers operate, innovate, and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If you’re driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, you’ll feel right at home with us.
About the Role
Key Responsibilities
People & Conduct
- Model a strong growth mindset through continuous learning, experimentation, and knowledge sharing.
- Demonstrate high ownership and hold peers accountable for quality, delivery, and outcomes.
- Intervene constructively in unhealthy debates, promoting psychological safety and inclusion.
- Demonstrate resilience during periods of ambiguity or pressure, helping others navigate challenges.
Product
- Use customer and market insight to guide product and technical decisions.
- Shape product direction by identifying customer-centric opportunities and validating assumptions using data.
- Apply commercial awareness to evaluate tradeoffs, prioritize effectively, and propose cost-efficient solutions.
- Support product partners in clearly communicating value delivered by the team.
Delivery
- Break down complex initiatives into iterative, value-focused slices to unlock early learning.
- Facilitate high-quality planning, estimation, and refinement activities.
- Champion agile delivery practices and help the team improve predictability and flow.
- Communicate strategy, risks, and technical concepts clearly and concisely to all audiences.
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Engineering Practices
- Write excellent, maintainable, and testable code; set high-quality standards.
- Lead design discussions considering scalability, reliability, and maintainability.
- Guide testing strategy for complex journeys.
- Influence secure development practices.
Operations
- Lead by example in building and running highly reliable, production-ready systems.
- Drive improvements in observability, alerting, incident management, and operational readiness.
- Support and guide the team during incidents, maintaining clarity under pressure.
- Ensure operational considerations are embedded into design decisions.
- Promote learning from incidents and prioritize resulting improvements.
Engineering Community
- Coach and mentor engineers across teams, contributing to capability uplift.
- Share innovations, patterns, and best practices across ENSEK’s engineering community.
- Contribute to community forums, guilds, and strategic engineering initiatives.
- Promote and uphold ENSEK’s engineering values and culture.
Key Skills
Product
- Customer Focus: Uses customer insight proactively to shape strategy and solutions.
- Insight Driven: Applies data to inform decisions and challenge assumptions.
- Commercial Awareness: Considers cost, efficiency, and long-term value in decision making.
Delivery
- Agility: Breaks down complexity and supports team-level delivery improvements.
- Simplicity: Shares complex ideas in accessible ways; drives simplification in systems and processes.
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Engineering
- Code: Produces exemplary code; reviews effectively; avoids and prevents over-engineering.
- Design: Contributes to architectural direction; considers system-wide impact; mentors others in design.
- Operations: Builds and improves production-ready solutions; guides operational practices.
- Security & Compliance: Champions secure coding and compliance at team and domain level.
Soft Skills
- Growth Mindset: Role models continuous learning, embraces feedback, and fosters a culture of improvement and innovation.
- Ownership: Demonstrates high accountability, sets clear expectations, and creates a safe-to-fail environment.
- Psychological Safety: Champions inclusivity, defines values and practices that promote diversity, and sets goals for diverse teams.
- Challenge & Support: Creates an environment of high support and high challenge, encouraging respectful debate and broad thinking.
- Resilience: Recognises and removes stressors, role models positivity, and galvanises the organisation during setbacks.
Benefits
- 25 days’ holiday + bank holidays
- Option to buy or sell 5 extra annual leave days per year
- Vitality Health Insurance, including private healthcare, virtual GP access, mental-health support and wellbeing perks (50% off gym memberships - Virgin Active, Nuffield, PureGym)
- Pension with 5% matched contribution
- Regular team-wide and company-wide events
- 2 volunteering days per year to give back
- Remote-first working environment with offices in London and Nottingham
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Skills
Customer Focus
Data-Driven Decision Making
Commercial Awareness
Agile Delivery
System Simplification
Clean Code
Architectural Design
Production Readiness
Observability
Incident Management
Security & Compliance
Mentoring
Growth Mindset
Ownership
Psychological Safety
Resilience
Location