Lead Site Reliability Engineer - Algo-Trading (f/​m/​d)

immediately

Hybrid, Full-time, Unlimited

Düsseldorf

Lead Site Reliability Engineer - Algo-Trading (f/m/d)

Location: Düsseldorf, North Rhine-Westphalia, Germany

Our Platform Engineering Team in Düsseldorf is looking for YOU!

Your responsibilities

Position Summary:

You will be the technical lead for site reliability for our algorithmic trading and other key platforms—owning reliability, performance, and operational excellence end-to-end. you’ll set the technical direction, drive standards, mentor engineers, and partner with quants, traders, development, and other teams to deliver geo-redundant, containerized, and compliant trading systems with near-zero downtime.

Your Responsibilities:

  • Reliability ownership: Define and drive SLOs/SLIs, error budgets, and golden signals for latency-sensitive algo-trading services; lead incident response and postmortems with a blameless culture.
  • Production architecture: Design and evolve geo-redundant, active-active/active-passive topologies across regions and availability zones, including failover, data replication, and disaster recovery (RTO/RPO).
  • Kubernetes at scale: Architect, harden, and operate AKS-based multi-cluster environments (multi-tenant, multi-region), including networking, security, autoscaling, node pools, and upgrade strategies.
  • Infrastructure as Code: Own Terraform blueprints and Ansible automations for everything from base images to cluster add-ons, ensuring idempotent, policy-guarded, and auditable changes.
  • Automation & Efficiency: Build progressive delivery (blue/green, canary) pipelines with gated rollouts and automated rollback for trading microservices, adapters, market data, and execution gateways.
  • Observability & performance: Implement end-to-end tracing (OpenTelemetry), metrics, logs, and synthetic probes; lead capacity planning, perf tests, and p99/p999 latency optimization.
  • Runtime safety: Enforce runtime security, secrets management, image hygiene, and compliance controls integrated “shift-left” into build and deploy workflows.
  • Algo-trading runtime: Operate and optimize Deltix-based components (Timebase DB, Ember, Strategy Server) in containerized, high-availability setups. Own the corresponding Helm charts.
  • Collaboration & leadership: Mentor SREs/DevOps/Developers, guide design reviews, and align with Platform, Security, and Trading stakeholders on priorities and roadmaps.
  • Innovation: Promote a culture of innovation by staying up to date with new technologies and integrating useful advancements into the commercial area.

Your profile

Your profile:

  • A degree in Computer Science, Mathematics, Engineering or other related discipline

Experience:

  • 10+ years in SRE/Platform/Infrastructure roles
  • Hands-on experience running complex, low-latency algo-trading or market-facing systems in production
  • 3+ years of experience as a DevOps/SRE with a clear observability focus
  • 3+ years of experience as Software Developer
  • Expert with Kubernetes (AKS preferred), including cluster lifecycle, networking (CNI, Ingress, eBPF), HPA/VPA, node autoscaling, PodDisruptionBudgets, and surge/zero-downtime upgrades
  • Deep Azure experience: VNet design, Private Link/Endpoints, peering, routing, Managed Identity/Entra ID, Key Vault, Storage, Azure Monitor/Log Analytics, Front Door/Traffic Manager, Load Balancers, App Gateway, API Management
  • Terraform (expert): modular design, state management, workspaces, policies (OPA/Sentinel), and pipeline integration
  • Containers & supply chain: Docker/OCI, image scanning/signing, SBOMs, and build reproducibility
  • Observability: Prometheus, Grafana, alerting design; OpenTelemetry tracing; log pipelines and retention strategies
  • Deltix (required): hands-on operating and tuning Deltix components (e.g., TimeBase/QuantOffice/Ember) in containerized, HA contexts
  • Strong networking (L4/L7, TLS/mTLS, DNS, BGP basics), Linux internals, and performance tuning for low-latency services
  • Proven track record of geo-redundant architectures, DR planning/testing
  • Experience with market data distribution (multicast/unicast), FIX/OUCH/ITCH, and exchange connectivity
  • Fluency in GitHub Actions or similar CI/CD and at least one programming language (e.g., Python or C#) for tooling and diagnostics
  • Excellent communication; ability to lead through influence
  • Fluent in English; German advantageous

Job ID:

88606

Do you have any questions?

If you have any questions, please feel free to contact us by e-mail and we will get back to you:

career@uniper.energy

Please note: Unfortunately, we cannot consider applications by e-mail for data protection reasons. We would therefore like to ask you to apply exclusively here via our career page. The process is very simple and only takes a few minutes.

As long as our positions are online here on the career page, the application process is not yet complete and the positions are still vacant.

We look forward to receiving your application!

Your Uniper Talent Acquisition Team

Top Employer Germany 2025

Living diversity, fairness and inclusion (DEI) at Uniper

As an employer, Uniper is committed to diversity and equal opportunities. That's why we encourage applications from suitably qualified and suitable people regardless of gender, origin, disability, age, religion, ideology, sexual identity or marital status. We embrace inclusion and support flexible working.

What makes Uniper stand out as an employer

  • We allow you a high level of flexibility and individuality based on our unique FlexWork culture. You decide in coordination with the team how, when and where you work together

    FlexWork

  • We offer you flexible workplaces and open spaces with state-of-the-art ergonomic equipment, both in the office and at home.

    Modern workplaces

  • We support you in balancing your private and professional life through flexible working time models, job sharing, sabbaticals and extensive offers in the area of child care and nursing.

    Work Life Balance

  • With a mix of digital and analog learning formats and topic-specific communities, we promote your personal and profossional development and lifelong learning.

    Further education

  • Experienced specialists and managers are happy to support you in strengthening your skills and advancing your career development.

    Coachings and Mentoring

  • Performance discussions, 360-degree feedback and employee surveys will help you and the company move forward, strengthen our collaboration and give you room to contribute your ideas.

    Open feedback culture

  • Safety and well-being are our top priorities. That's why we offer you regular free preventive medical checkups as well as a variety of learning impulses on occupational safety, health and well-being, and support programs.

    Health care

  • With our online exercise courses, sponsorship of your participation costs in central sports events and a large sports community, we offer you a healthy working environment.

    Sport and Fitness

  • You can enjoy a wide range of healthy and balanced meals in our canteen. In addition, you can participate in nutrition programs.

    Healthy nutrition

  • We offer you the option of leasing a car or bicycle through deferred compensation with financial benefits.

    Car and job bike leasing

  • We have electric charging stations for free charging of your electric or hybrid car.

    Electric charging stations

  • We provide you with free parking spaces.

    Free parking spaces

  • We take care of you and offer you a wide range of coverage beyond the legal requirements with our company pension plan, accident insurance, company health insurance and continued salary payments in the event of illness.

    Insurance and coverage

  • We pay capital-forming benefits and offer you a wide range of financial benefits through our corporate benefits program

    Financial benefits

The benefits may vary slightly depending on location and role. You can find a complete overview of the benefits here: Benefits

Get to know your future colleagues

  • Valentina

    EVP Operational Excellence

    At Uniper “treating everyone in a fair way”, and “making everyone feel included” are serious topics. This is why we regularly seek feedback from our employees, we listen to them, and we make changes so that we can get closer and closer to our vision of DEI.asd

  • Thomas

    Head of ETRM department

    I was excited to join Uniper as it a give me the opportunity to be part of a large, complex and dynamic Trading Organization. The company trades a lot of different commodities in many markets with all their uniqueness, which ultimately requires many different IT tools and solutions. I enjoy working with traders and all the supporting functions in such a challenging environment.

  • Navya

    Lead Business Analyst

    My passion is driven by the excitement of learning something new every day and a strong sense of pride supporting our Uniper business growth & Strategy. This is enhanced by the presence of a great team around me, whom I can always rely on for support.

  • Mithun

    Lead - Strategic Endur Solutions

    Each day excites me with new challenges by driving various Strategic IT initiatives for our CCO Trading Business and accelerating the energy transition by decarbonising our portfolio. My motto: Entrepreneurship is trait that you live each moment! At Uniper, I can constantly challenge status quo and shape the environment around me.

  • We are Uniper

    Uniper is a European energy company with a global reach that makes a decisive contribution to security of supply and energy transformation.  We work in very diverse teams and offer our employees as much flexibility as is possible. Equity, mutual appreciation and respect are the core of our corporate culture. At our company you will have the opportunity to shape new technologies, work on solutions for a modern and future-oriented energy supply and actively design change processes.

    360_tour.webp

    Düsseldorf

    Virtual tour of our offices in Düsseldorf

    With our virtual reality tour, you can experience Uniper from a completely new perspective. Our Düsseldorf offices can be viewed in detail without being on site. You can also get to know your colleagues and the working environment virtually. A highlight of the tour is built right into the beginning: a video from a bird's eye view impressively shows how attractive our location in the Medienhafen is.

    Take the 360 degree tour
    Düsseldorf_Standort_1.webp

    Düsseldorf

    Uniper has been based at our headquarters in Düsseldorf's Media Harbour since 2019. Our central office consists of the two buildings Caprocorn and Float, which are connected by a walkway to form a single unit.

    Düsseldorf_Standort_2.webp

    Düsseldorf

    Uniper has been based at our headquarters in Düsseldorf's Media Harbour since 2019. Our central office consists of the two buildings Caprocorn and Float, which are connected by a walkway to form a single unit.

    Düsseldorf_Standort_3.webp

    Düsseldorf

    Uniper has been based at our headquarters in Düsseldorf's Media Harbour since 2019. Our central office consists of the two buildings Caprocorn and Float, which are connected by a walkway to form a single unit.

    Düsseldorf_Büro_1.webp

    Düsseldorf

    On the office floors, the modern furnished meeting areas and lounges are located in the centre of each floor and our colleagues work separately from the passage areas, each with window fronts. All workstations have modern equipment and height-adjustable desks.

    Düsseldorf_Büro_2.webp

    Düsseldorf

    On the office floors, the modern furnished meeting areas and lounges are located in the centre of each floor and our colleagues work separately from the passage areas, each with window fronts. All workstations have modern equipment and height-adjustable desks.

    Düsseldorf_Büro_3.webp

    Düsseldorf

    On the office floors, the modern furnished meeting areas and lounges are located in the centre of each floor and our colleagues work separately from the passage areas, each with window fronts. All workstations have modern equipment and height-adjustable desks.

    Düsseldorf_Café_1.webp

    Düsseldorf

    We offer many services at the location that positively support everyday working life. These include an IT walk-in centre, a fitness studio, an underground car park with free parking spaces for cars and an extra garage for bicycles, including showers. For a balanced diet, there is a canteen as well as a café and a deli with fruit and healthy snacks, which are also open to the public.

    Düsseldorf_Café_2.webp

    Düsseldorf

    We offer many services at the location that positively support everyday working life. These include an IT walk-in centre, a fitness studio, an underground car park with free parking spaces for cars and an extra garage for bicycles, including showers. For a balanced diet, there is a canteen as well as a café and a deli with fruit and healthy snacks, which are also open to the public.

    Düsseldorf_Café_3.webp

    Düsseldorf

    We offer many services at the location that positively support everyday working life. These include an IT walk-in centre, a fitness studio, an underground car park with free parking spaces for cars and an extra garage for bicycles, including showers. For a balanced diet, there is a canteen as well as a café and a deli with fruit and healthy snacks, which are also open to the public.

    FlexWork

    Flexible working at Uniper means that our teams decide for themselves how, when and where they work. We have created hubs for collaboration and networking in our offices and we provide our employees with the equipment for a modern and healthy workplace at home. We also offer geographical flexibility and various flexible working models. This means you can do your work from different locations and shape your job to fit your personal lifestyle, so you can balance your work and private life perfectly.

    To give you a deeper insight into the flexible working experience at Uniper, we have created a dedicated page where you can learn more about our flexible working models.

    More about FlexWork at Uniper

    Application process

    Step 1

    Online application

    Have you found a suitable job posting? Then you can apply online right here. The application process is very simple and only takes a few minutes. Once we have received your application successfully, you will receive confirmation by e-mail immediately afterwards.

    Your questions. Our answers.

    Your application

    Your general questions