Senior Platform Security Engineer – AI Resilience, Security Enhancements

Form3

. Design, evaluate and implement controls for secure autonomous agent execution, including policy enforcement, permissions, sandboxing, execution isolation and auditability .

Posted 10/21/2026contractHybridSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Platform Engineering and DevSecOps, with a strong focus on implementing security controls, CI/CD practices, and software supply chain security. Proficient in automation, container security, and cloud platforms, ensuring secure and efficient production environments.

Highest-signal resume keywords

Platform EngineeringDevSecOpsCI/CD SecurityContainer SecuritySecurity Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Controls ImplementationSoftware Supply Chain SecurityAutomation ScriptingKubernetesTerraformAWSGCPThreat ModellingMTLSCryptography

Soft Skills

Communication SkillsDocumentation Skills

Tools & Technologies

CI/CD ToolsInfrastructure as CodeSecurity Automation ToolsAI-Enabled Engineering Tools

Industry Keywords

Regulated EnvironmentsFinancial EnvironmentsBusiness-Critical Environments

Tech Stack

Tools & technologies

AWSCloudGoogle Cloud PlatformKubernetesTerraform

About the role

Key responsibilities & impact

Design, evaluate and implement controls for secure autonomous agent execution, including policy enforcement, permissions, sandboxing, execution isolation and auditability
Detect vulnerable or unsafe code changes before merge by integrating security controls into CI/CD and pull request workflows
Evaluate existing security tooling and AI-assisted approaches to code security
Strengthen production access through privileged-access controls, controlled access paths, least privilege, session controls and auditability
Adapt engineering tooling and workflows to support safer production access
Strengthen CI/CD and software supply chain security through secure builds, dependency and container scanning, provenance, artefact signing, SBOMs and policy enforcement
Build practical security automation and platform controls
Work with engineers on technical design, prototyping and implementation
Contribute to wider security engineering work with Form3 security specialists
Produce technical documentation and handover material
Deliver low-risk changes while maintaining service availability

Requirements

What you’ll need

Strong hands-on experience in Platform Engineering, DevOps, SRE, DevSecOps or Platform Security, with good security fundamentals
Experience implementing security controls directly
Strong understanding of CI/CD and modern software delivery
Understanding of software supply chain security, including dependency security, secure builds, provenance, signing or vulnerability management
Understanding of IAM, RBAC and least privilege
Experience with container security and practical Kubernetes knowledge
Ability to write automation or tooling in a programming language
Experience working with engineers to deliver security improvements into production systems
Good communication and documentation skills
Terraform or other Infrastructure as Code experience
Experience with AWS, GCP or other public cloud platforms
Security automation or policy-as-code experience
Experience with container/runtime isolation or sandboxing
Experience securing AI agents or AI-enabled engineering tools
Experience using LLMs for security analysis or automation
Threat modelling experience
Knowledge of mTLS, PKI, cryptography or key management
Experience in regulated, financial or business-critical environments

Benefits

Comp & perks

Remote work arrangement after the first day
Equipment provided for remote work
First-day office visit to collect equipment
Equal opportunity and inclusive work environment
Reasonable adjustments and accessible recruitment formats
Interview guarantee for neurodiverse and physically disabled applicants meeting minimum criteria