Senior Observability Infrastructure Engineer

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic strength, and democratic institutions.   We build Acra – the platform foundation for everything we do as a dual-use technology company. The platform’s name, rooted in the Greek word for citadel (or, fortress), reflects the design and purpose of our infrastructure-agnostic secure enclaves: protecting critical data. Some of the government and commercial workflows include: increased operational resiliency for mission-critical systems and functions; enabling organisations to more quickly and widely adopt emerging technologies while ensuring the integrity of their intellectual property; information flow during disaster response scenarios, and zero-trust / least-privilege environments for M&A, attorney-client privileged communications, etc. And we’ve only scratched the surface.   At our core, we're driven by a shared mission and a belief in making a tangible impact on our world. Whether you join our London HQ or the wider global organisation, you’ll be a part of collaborative, high-performing teams, creating cutting-edge software, platforms, and infrastructure.     The Role   We are looking for a Senior Infrastructure Engineer to own and evolve the foundational infrastructure layer behind ACRA. This is a deep infrastructure role. You will work across Kubernetes, Linux, networking, storage, service-to-service communication, observability, security boundaries, and production operations. You will be responsible for the systems that everything else depends on: clusters, networks, storage layers, ingress and egress paths, runtime infrastructure, deployment foundations, and operational reliability. Infrastructure is part of the product at Valarian. ACRA only works if the underlying infrastructure is secure, observable, debuggable, resilient, and able to run across cloud, on-premise, bare-metal, sovereign, air-gapped, and customer-managed environments. We are looking for someone with strong judgement and real production experience. This role values depth, operational correctness, and careful decision-making. You should be comfortable going deep into complex operational problems, understanding failure modes, debugging under pressure, and improving the reliability of the whole platform. You should be comfortable operating close to the metal: debugging Kubernetes, understanding networking behaviour, reasoning about distributed storage, improving observability, and helping define the infrastructure patterns that ACRA will rely on as it scales. This is not a generic DevOps support role, cloud administration role, or internal IT role. You will be a critical engineer in the team responsible for the infrastructure foundations of a high-trust platform.   What you’ll do: Design, build, operate, and improve Kubernetes-based infrastructure for ACRA. Own core infrastructure plumbing across networking, storage, workload scheduling, service communication, ingress, egress, DNS, certificates, and cluster-level security. Operate and debug production Kubernetes environments across GCP, on-premise, bare-metal, sovereign cloud, air-gapped, and customer-managed deployments. Work on multi-cluster Kubernetes environments, cluster networking, network policy, service mesh, and secure service-to-service communication. Operate and evolve distributed storage systems, including storage classes, CSI drivers, capacity planning, replication, recovery, and failure handling. Work with infrastructure technologies such as Kubernetes, Linux, Cilium, eBPF, Istio, Rook Ceph, Terraform, Argo CD, GitOps, Helm, and related CNCF tooling. Build infrastructure automation that improves repeatability, reliability, and operational safety. Improve observability across infrastructure layers, including metrics, logs, traces, alerting, dashboards, and operational runbooks. Investigate and resolve complex production issues across networking, storage, Kubernetes, Linux, and application infrastructure. Contribute to incident response, root-cause analysis, capacity planning, disaster recovery, and production readiness. Define infrastructure standards, operational boundaries, security controls, and deployment patterns across the platform. Work closely with engineering teams to make services easier to deploy, operate, monitor, and debug. Contribute to the long-term technical direction of the DevOps department and the infrastructure foundations of ACRA. What we are looking for:   

ABOUT SORIS We are a stealth technology company building at the intersection of foundational AI and systems design for real-world impact. Our mission is bold: to reimagine one of the largest and most entrenched industries on the planet, creating an entirely new model that is faster, fairer, and fundamentally better for humanity. Unlike wrapper companies or point solutions, we are building a full-stack AI platform from the ground up; one that is agentic, vertically integrated, and designed for scale. This gives us the rare ability to solve problems others can’t touch, operating with orders-of-magnitude more efficiency than legacy systems. Our founding team has scaled category-defining companies in frontier tech, aerospace, mobility, and AI. We’ve led organizations from zero to multibillion-dollar valuations, pioneered new industries, and built products that reshaped how people live and move. Now we’re assembling a small, fiercely talented team to take on our most ambitious challenge yet. Joining us means working on cutting-edge research with direct application, where your code doesn’t sit in a lab, it changes lives. You’ll be part of an environment that values intellectual rigor, creative rebellion, and the courage to build what others say is impossible. This is a once-in-a-generation opportunity to help design and deploy the infrastructure of the future. We’ve raised capital in record time, and are scaling our foundational team now. If you’re motivated by hard problems, high impact, and the chance to leave a legacy, we’d love to talk. THE ROLE We’re looking for a Senior Systems Engineer to join our Engineering team. You’ll work alongside the CTO and other engineers to build the infrastructure that allows for rapid experimentation and deployment. This is a ground-floor opportunity where your work will directly shape the platform, culture, and impact of Soris. Candidates with a good fit for this role: * Want to ship fast, iterate, and own outcomes. * Thrive in ambiguity, asking questions and solving problems across the stack. * Believe in building systems that are secure, transparent, and human-friendly. WHAT YOU’LL DO * Design and build our staging and production platforms that power our products. * Build scalable and cost-efficient data pipelines for speed and reliability. * Set up monitoring, logging, and alerting for full observability. * Automate infrastructure with Terraform and CI/CD workflows. * Work with backend and product teams to align infrastructure with business needs. * Maintain uptime, security, and performance across all environments. REQUIREMENTS * 5+ years of experience in systems, DevOps, or infrastructure engineering. * Strong background with AWS (ECS, EKS or Fargate, Lambda, S3, RDS, CloudWatch). * Skilled with Terraform or similar IaC tools. * Proficient in scripting languages (Bash) * Experience with CI/CD, container orchestration, and monitoring systems. * Focus on scalability, cost efficiency, and system reliability. NICE-TO-HAVES * Experience with data pipelines or streaming tools like Airflow or Kafka. * Knowledge of SOC2, HIPAA, or other compliance frameworks. * Familiarity with AI or ML infrastructure. * Experience in early-stage startups or small teams. ENGINEERING CULTURE AT SORIS Our values guide how we work: * Extreme Ownership: We own outcomes, not just code. At Soris, we never say “that’s not my job”. * Always Be Curious: Ask questions. Explore new ways. * Go Farther Together: Collaboration beats silos. WHY JOIN US? * Competitive compensation package, including salary and equity. * Benefits include employer-covered health insurance for you, your spouse, and partially for children * Be part of a engineering team with massive influence on product, culture, and direction. * Work with cutting-edge AI agents and modern tech stacks. APPLY If you’re excited about transforming big antiquated industries, shipping fast, and working with a driven, world-class team, then we’d love to hear from you!