Senior Platform Engineer, Security

Simplesense

Senior Platform Engineer focusing on security automation and deployment in a hybrid environment. Protecting critical infrastructures and managing complex, regulated environments with security tooling.

Posted 7/24/2026full-timeDenver • Colorado • 🇺🇸 United StatesSenior💰 $180,000 - $235,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Security Tooling, Infrastructure as Code (IaC), and Cloud Network Security, with a strong focus on automation and compliance. Proven ability to collaborate cross-functionally to integrate security practices into development and deployment pipelines.

Highest-signal resume keywords

Infrastructure-As-Code (IaC) ManagementCloud Security EngineeringDevSecOps PracticesSecurity Tooling ConfigurationNIST Compliance Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure-As-Code (IaC)CloudformationTerraformOpenTofuAnsibleAPI IntegrationNetwork Topology AutomationSecurityHubGuardDutyInspector

Soft Skills

Cross-Functional CollaborationProblem Solving

Tools & Technologies

AWSSecurity ToolsConfiguration Management ToolsPackage Management Proxies

Certifications & Qualifications

DoD 8140 Intermediate or Advanced Foundational QualificationSecret Clearance

Industry Keywords

Zero Trust PrinciplesSecure Software Supply ChainNIST 800-53NIST 800-82DoD NIPR Network Account

Tech Stack

Tools & technologies

AnsibleAWSCloudFirewallsTerraform

About the role

Key responsibilities & impact

Security Tooling & Compliance Codification: Partner with the Security Team to intake defined compliance baselines and translate them into automated configuration management playbooks for enterprise tools.
IaC Deployment & Configuration Automation: Build, maintain, and scale automated IaC deployments to ensure operational environments and tools are managed as code.
Access & Identity Automation: Collaborate with Security and Platform team members to automate user provisioning and access through existing application features, APIs and IaC methodologies.
DevSecOps: Embed security concepts and tooling into the development and deployment pipeline to facilitate early identification and remediation opportunities.
Cloud Network Security: Implement and harden automated security groups, network policies, and cloud infrastructure to securely segment dataflows across environments following Zero Trust principals.
Secure Package Management: Deploy, configure, and maintain secure package management proxies and local repos to safeguard infrastructure pipelines and the software supply chain.
Hands-on Engineering (70%): Write clean, reusable infrastructure code, configuration scripts, and API integrations, setting the technical pattern for secure-by-default platform architecture.
Cross-Functional Alignment (30%): Collaborate with engineering and security teams to embed security tools directly into core infrastructure pipelines, breaking down work and resolving deployment bottlenecks.

Requirements

What you’ll need

Extensive professional experience (5-10 years) in platform engineering, system administration, cloud engineering, or DevSecOps, with an emphasis on security and automation.
Deep, hands-on experience deploying, configuring, and tuning enterprise security tooling
Proven track record of managing infrastructure-as-code (IaC) via tools like Cloudformation, Terraform, OpenTofu, or Ansible, across hybrid environments.
Strong experience working with application APIs for configuration automation and management.
Solid understanding of secure software supply chain mechanics, including package repositories, artifact management, and proxy configurations.
Strong AWS cloud engineering and security background, with demonstrated experience in network topology automation, firewalls, autoscaling groups, and native security services (SecurityHub, GuardDuty, Inspector).
Familiarity with NIST 800-53 and NIST 800-82 compliance
Must be a U.S. Citizen and able to obtain a DoD NIPR network account and Common Access Card (CAC).
Current DoD 8140 Intermediate or Advanced Foundational Qualification or ability to obtain within 90 days of hire
Must have, or be able to obtain, a Secret Clearance.

Benefits

Comp & perks

Equity
Medical, Life, Short-Term Disability, and AD&D insurance
Medical travel coverage
Dental coverage
Vision coverage
401k matching