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Software Engineer; MTS), Frontier Strike; EntSecTech

Job in Bellevue, King County, Washington, 98009, USA
Listing for: Leadout Capital
Full Time position
Listed on 2026-10-13
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software, DevOps, Software Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer (MTS), Frontier Strike (EntSecTech)
The Experience

Frontier Strike, part of Enterprise Security Technology (Ent Sec Tech ), builds and operates the Harness Orchestrator, an autonomous AI red-teaming platform that continuously tests our own identity and AI-integrated systems the way a real attacker would. This role builds the orchestration engine, policy gateways, and secrets-isolation systems that let the team safely point automated adversarial testing  serves as a core part of the development workflow here, pairing hands-on distributed-systems engineering with modern AI-assisted tooling to ship secure, production-grade code faster.

What You'll Actually Be Doing
  • Design and extend Go microservices that orchestrate multi-container test suites (primary and utility containers, shared epoxy volumes, lifecycle synchronization) so new attack and test techniques can be onboarded as repeatable, automated suites.
  • Build policy-based sidecar gateways that mediate every test suite's access to its target system, whether mocked, staging, or production, enforcing least-privilege and blast-radius limits as tests move up the risk tiers.
  • Implement pipeline stages that dedupe, suppress noise, and auto-escalate critical findings (injection, server-side request forgery (SSRF), privilege escalation, data exfiltration) so only real signal reaches the persistent findings store.
  • Design per-test-suite secrets isolation (dedicated vault, pod, and service account per suite) with automated credential rotation, so a compromised or misbehaving test suite can't reach another suite's credentials.
  • Deploy and operate containerized workloads on Kubernetes via Helm and Terraform on Amazon Web Services (AWS), at a scale where individual test runs can cost significantly more or less depending on suite complexity.
  • Integrate with internal large language model (LLM) gateway services to track token usage and cost per scan, and build throttling and authorization controls for expensive test executions.
  • Implement role-based access control (RBAC), network sandboxing, and geofencing so automated red-teaming can be safely extended from test environments to production.
  • Monitor and troubleshoot the platform's distributed components, ensuring findings-pipeline data integrity and proactively catching misconfigurations before they become production incidents.
  • Build and ship high-quality, production-grade software using modern engineering practices, with AI as a core part of your development workflow, pushing the boundaries of AI development tools to deliver secure, optimized, and high-quality code.
  • Design and orchestrate complex systems where AI agents integrate seamlessly into human workflows, driving efficiency and innovation at scale.
  • Contribute to building and maintaining shared system context, an explicit repository of system designs, constraints, and standards that enables AI to operate accurately and reliably. Critically evaluate code, whether human- or AI-generated, for correctness, quality, security, and performance.
You're Our Person If...
  • 2 - 4 years of professional software development experience.
  • Demonstrates proficiency in Go; experience with Python or Java is also acceptable.
  • Has experience with distributed systems, microservices, and Representational State Transfer (REST) or gRPC application programming interfaces (APIs).
  • Is familiar with Kubernetes, Docker, Helm, and Terraform in a cloud environment, AWS preferred.
  • Understands software security fundamentals: the OWASP Top 10, least privilege, and secrets management.
  • Shows strong problem-solving and debugging skills in distributed, containerized systems.
  • Works comfortably in a large-scale enterprise environment with production-safety constraints.
  • Takes a demonstrated, genuine AI-first approach to engineering, using AI to move…
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