CareerPlan

Application Security Engineer III

Denver, COFull-time$140k–$205k2026-11-06 → 2026-11-11
On-siteCitizens or permanent residents onlySecurity clearance required

Core

Implementing and auditing security controls for mission-critical space systems and satellite mission control software to meet DoD security standards and government compliance.

Role type

Senior IC application security engineer

Builds

Security architecture documentation, operational security guides, and secure application controls for space systems

Domain

Aerospace/Defense + Application Security

Required skills

Application security engineering, Vulnerability management, Secure code review (Elixir, Python, C++, JavaScript), SAST/DAST tooling, Cloud security (Azure/AWS/GCP), Threat modeling, Authentication/Authorization patterns, Cryptography, Defense-in-depth/Zero Trust

Preferred skills

TS/SCI clearance, NIST 800-171/800-53 implementation, DoD Impact Levels/STIGs, Elixir/Erlang/Phoenix, Azure Government Cloud, DevSecOps/CI-CD security, Kubernetes security, Incident response engineering

Technologies

CodeQL, Semgrep, JFrog Xray, Terraform, Bicep, Pulumi, Kubernetes, GitOps

Responsibilities

Create security architecture documentation and operational security guides for government authorization processes, Drive vulnerability management program with defined SLAs for remediation, Perform security code reviews for Elixir, Python, C++, and JavaScript codebases, Collaborate in the triage and management of security automations using SAST, SCA, and DAST tools, Collaborate with engineering teams to address security findings and implement secure coding practices, Develop and deliver security training to software engineers and systems administrators

Seniority

Senior, hands-on IC