Own application-level security for mission-critical space systems and support government authorization requirements.

Produce security architecture documentation and operational security guides for government authorization processes
Lead a vulnerability management program with remediation SLAs by severity (30/90/180 days)
Conduct security code reviews across Elixir, Python, C++, and JavaScript codebases
Support triage and operational management of security automations using SAST (CodeQL, Semgrep), SCA (JFrog Xray), and DAST
Partner with engineering teams to address security findings and implement secure coding practices
Develop and deliver security training for software engineers and systems administrators
Create and maintain incident response playbooks for application security events
Evaluate and integrate third-party security solutions to strengthen overall security capabilities

10+ years of experience in application security, product security, or security engineering
Hands-on experience implementing security controls for compliance frameworks including NIST 800-171, NIST 800-53, FedRAMP, or CMMC
Strong software engineering capability with production-quality coding in at least one: Python, Rust, Elixir, C++, or similar
Cloud security experience (Azure preferred; AWS or GCP acceptable)
Understanding of secure architecture principles, including threat modeling and risk assessment
Understanding of authentication and authorization patterns: OAuth2, JWT, RBAC, ABAC
Understanding of cryptography and key management
Understanding of defense-in-depth and Zero Trust principles
Proven ability to collaborate with engineering teams to implement security controls without blocking delivery
Eligible for DoD Secret or TS/SCI clearance

Active TS/SCI clearance or ability to obtain and maintain a security clearance
Experience with NIST 800-171 Rev 3 or NIST 800-53 implementation projects (gap analysis, control implementation, evidence collection)
Experience with Department of Defense Impact Levels (IL2/IL4/IL5/IL6) or STIGs (Secure Technical Implementation Guides)
Familiarity with Elixir/Erlang/Phoenix or other functional programming ecosystems (Scala, Haskell, F#, OCaml)
Experience with Azure Government Cloud or other FedRAMP-authorized cloud environments
Experience using Ghommit
Background in DevSecOps or Platform Security Engineering, including:
- GitOps workflows and CI/CD security
- Infrastructure as Code security (Terraform, Bicep, Pulumi)
- Kubernetes security (Pod Security Standards, network policies, service mesh)
- Security incident response including detection engineering and SOAR integration
Familiarity with aerospace, defense, or other highly regulated industries (finance, healthcare, critical infrastructure)
Previous experience in startups or fast-paced environments with ability to build processes from scratch

100% company-paid medical, dental, and vision coverage for you and your dependents, with HSA/HRA options
Flexible Time Off (FTO) for exempt employees, accrued PTO of up to 25 days for non-exempt employees, plus 12 paid holidays
Parental Leave
Sick Leave
Daily catered lunch and unlimited snacks for in-office employees
401(k) retirement plan
Fitness reimbursement
Dog Fridays
Equity participation as part of total compensation package

Denver, CO (onsite)
Successful candidates must be located near Denver or Long Beach; significant work must be done on site (#LI-Onsite)

Work environment details to support working conditions (temperature, noise level, inside or outside factors)
Physical demands include bending, sitting, lifting, and driving

To comply with U.S. Government space technology export regulations, including ITAR, candidates must be a U.S. citizen, lawful permanent resident, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations from the U.S. Department of State

Salary: USD 200,000 - 290,000 per year

Experience: 10+ years

Staff Application Security Engineer

Job Description